WO2015046745A1 - 보호회로 모듈을 포함하는 이차전지 팩 - Google Patents
보호회로 모듈을 포함하는 이차전지 팩 Download PDFInfo
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- WO2015046745A1 WO2015046745A1 PCT/KR2014/007262 KR2014007262W WO2015046745A1 WO 2015046745 A1 WO2015046745 A1 WO 2015046745A1 KR 2014007262 W KR2014007262 W KR 2014007262W WO 2015046745 A1 WO2015046745 A1 WO 2015046745A1
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- Prior art keywords
- pcm
- battery cell
- secondary battery
- battery pack
- pcb
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M10/4257—Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/121—Organic material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/202—Casings or frames around the primary casing of a single cell or a single battery
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/247—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for portable devices, e.g. mobile phones, computers, hand tools or pacemakers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/296—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by terminals of battery packs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/588—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/10—Temperature sensitive devices
- H01M2200/106—PTC
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a secondary battery pack including a protection circuit module (PCM), and more particularly, a negative electrode terminal and a positive electrode terminal of the battery cell consisting of a plate-shaped conductive member, connected to the protection circuit module, the negative electrode Terminals and anode terminals are formed at one end, respectively, a battery cell having a thermally fused excess at the end, a protection circuit board (PCB) having a protection circuit formed therein, and an external input / output connected to the protection circuit of the PCB.
- PCB protection circuit board
- an electrically insulating PCM case having a terminal and a hollow structure in which the PCB is embedded, and having a slit into which the electrode terminals of the battery cell are introduced, wherein the row of battery cells is electrically connected to the battery cell.
- a secondary battery pack comprising a PCM mounted on a fusion excess portion.
- lithium secondary batteries with high energy density, high operating voltage, and excellent storage and life characteristics are used for various mobile devices as well as various electronic products. It is widely used as an energy source.
- the secondary battery may be used as a removable structure that can be inserted and detached freely depending on the type of external device in which the secondary battery is used, or may be used as a built-in structure that is embedded in an external device.
- a device such as a notebook can be inserted and removed from a battery according to a user's needs
- some devices such as a mobile phone may require the use of an internal battery pack due to its structure and capacity.
- the lithium secondary battery has a variety of combustible materials are built, there is a risk of overheating, explosion, etc. due to overcharge, overcurrent, other physical external shocks, etc., has a big disadvantage in safety. Therefore, in the lithium secondary battery, a PTC (Positive Temperature Coefficient) element, a protection circuit module (PCM), or the like is connected to the battery cell as a safety device capable of effectively controlling abnormal states such as overcharge and overcurrent.
- PTC Physical Temperature Coefficient
- PCM protection circuit module
- a secondary battery pack having a built-in structure uses a plate-shaped battery cell suitable for an electrical connection structure, and the PCM is connected to the battery cell by welding or soldering through a conductive nickel plate.
- the nickel plate is welded or soldered to the electrode terminals of the battery cell
- the PCB is welded to one side
- the protective tape is attached to the other side to be in close contact with the battery cell.
- PCM is connected to the battery cell to manufacture a battery pack.
- the conventional PCM case is formed of two unit members consisting of an upper case and a lower case, and has a structure in which the upper case is coupled in a state where a PCB and a safety device are mounted on the lower case.
- the insulating tape is attached to each member including the PCM, and a portion of the battery case including the battery cell is bent to attach the insulating tape, or the barcode is printed. do.
- the battery pack may cause problems such as damage to the PCM, significantly reduced dimensional stability due to the use of an insulating tape having a low mechanical rigidity.
- the present invention aims to solve the problems of the prior art as described above and the technical problems that have been requested from the past.
- an object of the present invention is to provide a secondary battery pack that can reduce the number of parts required for the battery pack, simplify the manufacturing process, and exhibit excellent structural stability.
- Still another object of the present invention is to provide a battery pack having a structure capable of mounting a PCB in a PCM case in a simple process.
- a negative electrode terminal and a positive electrode terminal of a battery cell made of a plate-shaped conductive member and connected to a protection circuit module (PCM);
- PCM protection circuit module
- a battery cell in which the negative electrode terminal and the positive electrode terminal are respectively formed at one end, and a heat fusion surplus is formed at the end;
- a protection circuit board in which a protection circuit is formed, an external input / output terminal connected to the protection circuit of the PCB, and a hollow structure in which the PCB is embedded, and a slit into which the electrode terminals of the battery cell are introduced is formed.
- a PCM case comprising an electrically insulating PCM case, the PCM mounted on the heat fusion surplus of the battery cell in an electrically connected state to the battery cell;
- Consists of a structure comprising a.
- the secondary battery pack according to the present invention has a structure in which a PCM having a structure in which a PCM case in which a slit is formed is mounted on a PCB or the like is mounted on a thermally fused surplus of a battery cell, a conventional embedded secondary battery pack Compared to this, the PCB can be effectively protected and the number of parts can be significantly reduced, thereby reducing the manufacturing cost.
- the secondary battery pack according to the present invention includes a PCM case including one member, the manufacturing processability can be greatly improved as compared to the assembly process of a PCM formed by a conventional assembly fastening structure, and automation is easy. It has the effect of providing a structure.
- Battery cells that can be used in the secondary battery pack of the present invention can be a variety of types, for example, the positive electrode, the negative electrode, and the electrode assembly of the separator structure interposed between the positive electrode and the negative electrode laminate including a metal layer and a resin layer It may be a pouch type secondary battery having a thin thickness and a low weight sealed in the battery case of the sheet.
- the PCM case may be formed in a structure surrounding the PCM except for an external input / output terminal.
- the PCM case is not particularly limited as long as it has a hollow structure in which the PCB is embedded and a slit into which the electrode terminals of the battery cell are introduced, and may be formed, for example, in the shape of a polygonal column, a circular column, or an elliptic column. have. As one specific example, the PCM case may be formed in a rectangular pillar shape of a hollow structure.
- the PCM case having various slit-shaped columnar shapes may have a structure in which one end thereof is open, the other end is closed, or both ends are open.
- the slit of the PCM case may be formed on the side of the column shape.
- it may be a structure in which a slit is formed on one side edge of the PCM case having a rectangular pillar shape.
- the process of mounting the PCB to the PCM case may be simply performed by the structure of the PCM case.
- the negative electrode terminal, the positive electrode terminal, and the external input / output terminal may be inserted into the slit from one end of the PCM case and the PCB may be mounted inside the PCM case.
- the PCM case is open, and the PCB may be inserted into the open one end and mounted in a sliding manner.
- the negative electrode terminal and the positive electrode terminal connecting the PCB and the battery cell can be slid in the state spanning the slit.
- the external input and output terminals for connecting the PCB and the outside may also form a structure coupled to the PCM case by sliding in a slit across the cathode and the positive terminal.
- the closed other end serves as a stopper to stop sliding at an appropriate position when the PCB is slid into the PCM case. Perform.
- the outer surface of the PCM and the battery cell, except the external input and output terminals may be formed in a structure that the label is attached, specifically, the label is heat-sealed on the side of the PCM and the battery cell except the external input and output terminals It may be made of a structure surrounding the outer circumferential surface. Accordingly, while maintaining the overall insulation state, it is possible to stably fix the heat-sealed outer circumferential surface on the battery cell body and to more stably secure the electrical connection state between the electrode terminal of the battery cell and the PCB.
- the battery cell is not particularly limited in kind, and may be, for example, a lithium secondary battery having a large amount of energy storage per volume.
- the present invention also provides a device including the secondary battery pack as a power source.
- the device may be, for example, one selected from a mobile phone, a portable computer, a smartphone, a smart pad, a tablet PC, and a netbook. The scope of application is not limited to these alone.
- the present invention also provides a method of manufacturing the secondary battery pack.
- It may be prepared by a method comprising a.
- This manufacturing method simplifies the process of assembling the PCM in the manufacturing process of the secondary battery pack, thereby improving productivity.
- the manufacturing method using a method of coupling the upper case in the state where the PCB is mounted on the lower case the method is PCM
- the method is PCM
- the manufacturing method of the secondary battery pack according to the present invention since the PCB can be simply mounted inside the PCM case by the sliding method, the manufacturing processability is excellent and the automation process is easily implemented.
- FIG. 1 is an exploded perspective view of a rechargeable battery pack according to an embodiment of the present invention
- FIG. 2 is an enlarged view of the PCM case of FIG. 1;
- FIG. 3 is a perspective view of a PCM case according to another embodiment
- FIG. 4 to 6 are perspective views illustrating a process of manufacturing the rechargeable battery pack of FIG. 1;
- FIG. 7 is a perspective view of a structure in which an external input / output terminal is added to the structure of FIG. 6.
- FIG. 1 is an exploded perspective view of a rechargeable battery pack according to an embodiment of the present invention.
- the secondary battery pack 100 includes a battery cell 110 having a negative electrode terminal 114 and a positive electrode terminal 112 protruding at one end thereof, a protection circuit module (PCM) 120, and a label 140. Consists of
- the negative electrode terminal 114 and the positive electrode terminal 112 of the battery cell 110 are plate-shaped conductive members, and are electrically connected to the protection circuit board 122 of the PCM 120.
- the battery cell 110 is a pouch type secondary battery in which an electrode assembly having a cathode / separation membrane / cathode structure is sealed in a battery case of a laminate sheet including a metal layer and a resin layer, and the negative electrode terminal 114 and the positive electrode terminal 112 are It is formed in one side end part, and the heat-sealing surplus part 115 is formed in the upper case extension part which is an end part.
- the PCM 120 includes a PCB 122 having a protection circuit formed thereon, an external input / output terminal 128 electrically connected to the protection circuit of the PCB 122, and a PCM case 124 coupled to surround the PCB 122. ) Is included.
- the PCM 120 is mounted on the heat fusion surplus portion 115 of the battery cell 110 while being electrically connected to the battery cell 110.
- the PCM case 124 has a hollow structure to allow the PCB 122 to be embedded therein, and a slit 125 into which the electrode terminals 112 and 114 of the battery cell 110 are introduced is formed.
- the external input / output terminal 128 has a plate structure in which a connector is mounted at an end thereof.
- the PCM 120 having the structure of the PCM case 124 wrapped around the PCB 122 electrically connected to the positive electrode terminal 112 and the negative electrode terminal 114 of the battery cell 110 is the upper case of the battery cell 110. Since it is mounted on the heat-sealing surplus portion 115 located in the extension part, as well as the conventional built-in secondary battery pack, not only can effectively protect the PCM 120, but also reduce the number of parts, and form a more compact structure can do.
- the PCM case 124 made of a single member is configured to be mounted on the PCB 122 by a sliding insertion method, the effect of improving the manufacturing processability To provide.
- FIG. 2 shows an enlarged view of the PCM case of FIG. 1.
- the PCM case 124 has a shape of a square pillar having both ends open, and a hollow structure is formed to mount the PCB 122 therein.
- a slit 125 is formed at one corner portion of the square pillar shape, such that the negative electrode terminal 114, the positive electrode terminal 112, and the external input / output terminal 128 of the battery cell 110 have one end of the PCM case 124. Is inserted into the slit 125 from the PCB 122 is made of a structure that is mounted inside the PCM case 124.
- FIG 3 is a perspective view of a PCM case according to another embodiment.
- the PCM case 124 ′ is formed in a structure in which one end is open and the other end 126 is closed, unlike the PCM case 124 of FIG. 2 in which both ends are open.
- the other end 126 that is closed is formed in a structure that serves as a stopper to stop sliding at an appropriate position when the PCB 122 slides on the PCM case 124 '.
- FIG. 4 to 6 are perspective views sequentially illustrating a process of manufacturing the secondary battery pack of FIG. 1.
- the nickel plate 132 is welded to the upper surface of the positive electrode terminal 112 of the battery cell 110 coupled with the positive electrode terminal connecting portion 123a of the PCB 122 by ultrasonic welding. Thereafter, the negative electrode terminal 114 and the positive electrode terminal 112 of the battery cell 110 are welded by spot welding to the negative electrode terminal connecting portion 123b and the positive electrode terminal connecting portion 123a formed on the PCB 122. The cell 110 and the PCB 122 are electrically connected to each other.
- FIG. 5 illustrates a structure in which the PCM case 124 is mounted on the PCB 122, and the PCB 122 is introduced into the slit 125 by introducing the anode terminal 112 and the cathode terminal 114 of the battery cell 110.
- the secondary battery pack 100 is manufactured by carrying out a process of wrapping the outer surface of the heat-sealed outer fusion of the PCM 120 and the battery cell 110 with the label 140 except for the external input / output terminal 128.
- the label 140 maintains an insulation state with the battery cell 110 and tightly fixes the outer fusion circumferential surface on the main body of the battery cell 110, and the positive electrode terminal 112 and the negative electrode terminal 114 of the battery cell 110. ) And the electrical connection state of the PCB 122 is more securely secured.
- FIG. 7 is a perspective view illustrating a structure in which an external input / output terminal is added to the structure of FIG. 6.
- the external input / output terminal 128 is connected to the PCB 122 inside the PCM case 124 through the slit 125.
- a connector 129 for coupling with the outside is formed at the end of the external input / output terminal 128, a connector 129 for coupling with the outside is formed.
- FIG. 7 illustrates a structure in which the external input / output terminal 128 is connected to protrude between the positive electrode terminal 112 and the negative electrode terminal 114
- the structural diagram protrudes from the open side of the PCM case 124. Can be formed.
- the external input and output terminal 128 may be formed in a structure to protrude to the outside. have. That is, the electrode terminals 112 and 114 are bent so that the slit 125 of the PCM case 124 faces the outward direction of the battery cell 110 so that the PCM 120 is thermally fused to the battery cell 110.
- the external input / output terminal 128 protrudes outward can be formed.
- the secondary battery pack according to the present invention has a structure in which a PCM having a structure in which a PCM case in which a slit is formed is mounted on a PCB is mounted on a thermal fusion surplus of a battery cell.
- the PCB can be effectively protected and the number of parts can be significantly reduced, thereby reducing the manufacturing cost.
- the secondary battery pack according to the present invention is composed of a structure in which the PCM case consisting of a single member is mounted on the PCB by sliding insertion method, compared to the assembly process of the PCM formed by a conventional assembly fastening structure compared to the manufacturing process There is an effect of providing a structure that can be greatly improved and that is easy to automate.
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Inorganic Chemistry (AREA)
- Biophysics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
Description
Claims (15)
- 판상형의 도전성 부재로 이루어져 있고, 보호회로 모듈(PCM)에 연결되어 있는 전지셀의 음극단자와 양극단자;상기 음극단자 및 양극단자가 일측 단부에 각각 형성되어 있고, 상기 단부에 열융착 잉여부가 형성되어 있는 전지셀; 및보호회로가 형성되어 있는 보호회로 기판(PCB), 상기 PCB의 보호회로에 연결되어 있는 외부 입출력 단자, 및 상기 PCB가 내장되는 중공형 구조로 이루어져 있고 전지셀의 전극단자들이 도입되는 슬릿이 형성되어 있는 전기절연성의 PCM 케이스를 포함하고 있으며, 전지셀에 전기적으로 연결된 상태로 전지셀의 상기 열융착 잉여부 상에 탑재되어 있는 PCM;을 포함하고 있는 것을 특징으로 하는 이차전지 팩.
- 제 1 항에 있어서, 상기 전지셀은 양극과 음극 사이에 분리막이 개재되어 있는 전극조립체가 금속층 및 수지층을 포함하는 라미네이트 시트의 전지케이스에 밀봉되어 있는 이차전지인 것을 특징으로 하는 이차전지 팩.
- 제 1 항에 있어서, 상기 PCM 케이스는 외부 입출력 단자를 제외하고 PCM을 감싸고 있는 것을 특징으로 하는 이차전지 팩.
- 제 1 항에 있어서, 상기 PCM 케이스는 중공 구조의 사각 기둥 형상으로 이루어진 것을 특징으로 하는 이차전지 팩.
- 제 4 항에 있어서, 상기 PCM 케이스는 사각 기둥 형상의 양 단부가 개방되어 있는 것을 특징으로 하는 이차전지 하는 이차전지 팩.
- 제 4 항에 있어서, 상기 PCM 케이스는 사각 기둥 형상의 일측 단부가 개방되어 있고, 타측 단부가 폐쇄되어 있는 것을 특징으로 하는 이차전지 하는 이차전지 팩.
- 제 4 항에 있어서, 상기 PCM 케이스는 사각 기둥 형상의 일측 모서리에 슬릿이 형성되어 있는 구조로 이루어진 것을 특징으로 하는 이차전지 팩.
- 제 1 항에 있어서, 상기 음극단자, 양극단자 및 외부 입출력 단자가 PCM 케이스의 일측 단부로부터 슬릿에 삽입되면서 PCB가 PCM 케이스의 내부에 장착되어 있는 것을 특징으로 하는 이차전지 팩.
- 제 8 항에 있어서, 상기 PCB는 PCM 케이스에 슬라이딩 방식으로 장착되는 것을 특징으로 하는 이차전지 팩.
- 제 1 항에 있어서, 상기 외부 입출력 단자를 제외한 PCM과 전지셀을 감싸는 형태로 라벨이 부착되어 있는 것을 특징으로 하는 이차전지 팩.
- 제 10 항에 있어서, 상기 라벨은 외부 입출력 단자를 제외한 PCM과 전지셀의 측면의 열융착 외주면을 감싸는 구조로 부착되는 것을 특징으로 하는 이차전지 팩.
- 제 1 항에 있어서, 상기 전지셀은 리튬 이차전지인 것을 특징으로 하는 이차전지 팩.
- 제 1 항 내지 제 12 항 중 어느 하나에 따른 전지팩을 전원으로 포함하고 있는 것을 특징으로 하는 디바이스.
- 제 13 항에 있어서, 상기 디바이스는 휴대폰, 휴대용 컴퓨터, 스마트폰, 스마트 패드, 태블릿 PC, 및 넷북으로부터 선택되는 것을 특징으로 하는 디바이스.
- 제 1 항 내지 제 12 항 중 어느 하나에 따른 이차전지 팩을 제조하는 방법으로서,(a) 전지셀의 양극단자에 니켈 플레이트를 용접하는 과정;(b) PCB 에 형성되어 있는 음극단자 접속부와 양극단자 접속부에 전지셀의 음극단자와 양극단자를 용접하는 과정;(c) 전지셀의 전극단자들을 슬릿에 도입하면서 PCB을 PCM 케이스의 내부에 슬라이딩 방식으로 장착하는 과정:(e) 전지셀의 전극단자들을 절곡하여 PCM을 전지셀의 열융착 잉여부 상에 장착하는 과정; 및(f) 상기 외부 입출력 단자 및 PCM의 상단면을 제외한 PCM과 전지셀을 라벨로 감싸는 과정;을 포함하는 것을 특징으로 하는 이차전지 팩의 제조방법.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201480052073.3A CN105556709B (zh) | 2013-09-27 | 2014-08-06 | 具有保护电路模块的二次电池组 |
| US15/023,868 US10388938B2 (en) | 2013-09-27 | 2014-08-06 | Secondary battery pack having PCM |
| JP2016515399A JP6166462B2 (ja) | 2013-09-27 | 2014-08-06 | 保護回路モジュールを含む二次電池パック |
| EP14848055.1A EP3035415B1 (en) | 2013-09-27 | 2014-08-06 | Secondary battery pack comprising protection circuit module |
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| Application Number | Priority Date | Filing Date | Title |
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| KR10-2013-0115435 | 2013-09-27 | ||
| KR1020130115435A KR101650027B1 (ko) | 2013-09-27 | 2013-09-27 | 보호회로 모듈을 포함하는 이차전지 팩 |
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| US (1) | US10388938B2 (ko) |
| EP (1) | EP3035415B1 (ko) |
| JP (1) | JP6166462B2 (ko) |
| KR (1) | KR101650027B1 (ko) |
| CN (1) | CN105556709B (ko) |
| TW (1) | TWI525886B (ko) |
| WO (1) | WO2015046745A1 (ko) |
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| KR101619926B1 (ko) * | 2013-09-27 | 2016-05-12 | 주식회사 엘지화학 | 보호회로모듈 케이스를 포함하는 전지팩 |
| KR102183995B1 (ko) | 2016-10-31 | 2020-11-27 | 삼성에스디아이 주식회사 | 배터리 팩 |
| KR102172516B1 (ko) | 2016-12-14 | 2020-10-30 | 주식회사 엘지화학 | 조립 구조가 개선된 공냉식 배터리 팩 |
| KR102429345B1 (ko) * | 2016-12-23 | 2022-08-04 | 삼성전자주식회사 | 피씨엠 케이스 및 그것을 포함하는 전자 장치 |
| KR102362074B1 (ko) | 2017-03-10 | 2022-02-11 | 삼성전자주식회사 | 방열 플레이트를 포함하는 배터리 및 이를 포함하는 전자 장치 |
| KR102331066B1 (ko) * | 2017-04-06 | 2021-11-25 | 삼성에스디아이 주식회사 | 배터리 팩 |
| KR102331065B1 (ko) * | 2017-04-06 | 2021-11-25 | 삼성에스디아이 주식회사 | 베터리 팩 |
| DE102017218920A1 (de) | 2017-10-24 | 2019-04-25 | Gs Yuasa International Ltd. | Elektrisches Überbrückungselement, elektrischer Energiespeicher und Vorrichtung |
| DE102017218939A1 (de) | 2017-10-24 | 2019-04-25 | Gs Yuasa International Ltd. | Elektrisches Überbrückungselement, Energiespeicher und Vorrichtung |
| DE102017218923A1 (de) | 2017-10-24 | 2019-04-25 | Robert Bosch Gmbh | Elektrisches Überbrückungselement, elektrischer Energiespeicher und Vorrichtung |
| CN107808942A (zh) * | 2017-12-07 | 2018-03-16 | 合肥国盛电池科技有限公司 | 自保护车载电动叉车用电池管理系统 |
| KR20210144183A (ko) * | 2020-05-21 | 2021-11-30 | 삼성에스디아이 주식회사 | 배터리 팩 |
| KR20220035592A (ko) * | 2020-09-14 | 2022-03-22 | 현대자동차주식회사 | 고정자 어셈블리의 제조 시스템 및 제조 방법 |
| KR20250139095A (ko) * | 2024-03-14 | 2025-09-23 | 삼성에스디아이 주식회사 | 배터리 팩 |
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Also Published As
| Publication number | Publication date |
|---|---|
| TW201526361A (zh) | 2015-07-01 |
| CN105556709B (zh) | 2018-01-23 |
| TWI525886B (zh) | 2016-03-11 |
| EP3035415A1 (en) | 2016-06-22 |
| EP3035415A4 (en) | 2016-06-22 |
| JP6166462B2 (ja) | 2017-07-19 |
| JP2016530667A (ja) | 2016-09-29 |
| CN105556709A (zh) | 2016-05-04 |
| KR20150035182A (ko) | 2015-04-06 |
| US10388938B2 (en) | 2019-08-20 |
| EP3035415B1 (en) | 2018-03-14 |
| KR101650027B1 (ko) | 2016-08-22 |
| US20160233479A1 (en) | 2016-08-11 |
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