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WO2023105110A1 - Carcasse pour pile électrique - Google Patents

Carcasse pour pile électrique Download PDF

Info

Publication number
WO2023105110A1
WO2023105110A1 PCT/ES2022/070793 ES2022070793W WO2023105110A1 WO 2023105110 A1 WO2023105110 A1 WO 2023105110A1 ES 2022070793 W ES2022070793 W ES 2022070793W WO 2023105110 A1 WO2023105110 A1 WO 2023105110A1
Authority
WO
WIPO (PCT)
Prior art keywords
cells
electric battery
housing
base
box
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/ES2022/070793
Other languages
English (en)
Spanish (es)
Inventor
Anton Wass
Paul SOUCY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stark Future SL
Original Assignee
Stark Future SL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from ES202132432U external-priority patent/ES1284470Y/es
Application filed by Stark Future SL filed Critical Stark Future SL
Priority to JP2024534508A priority Critical patent/JP2025511424A/ja
Publication of WO2023105110A1 publication Critical patent/WO2023105110A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/653—Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • 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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • 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
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/222—Inorganic material
    • H01M50/224—Metals
    • 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
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
    • 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
    • H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • H01M50/293—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by the material
    • 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
    • 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
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • 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
    • 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 invention refers to a casing for an electric battery that provides, to the function for which it is intended, advantages and characteristics, which are described in detail below.
  • the object of the present invention falls on a casing for an electric battery, in particular an electric battery, for example for motorcycles or similar electric vehicles, of those made up of a metallic box that houses a plurality of electrochemical cells that, conveniently connected, convert the chemical elements that store electrical current, which is essentially distinguished by the fact that it comprises an upper fastening piece that, dimensioned to fit on the perimeter wall of said box in the form of a container of the casing, serves for fastening and centering of the cells as well as for their insulation, for which it presents housings with holes, preferably circular like the cells, which surround the upper base of each cell and only expose the necessary contacts of the cells for electrical connection.
  • the field of application of the present invention falls within the sector of the industry dedicated to the manufacture of electric batteries, focusing particularly on the field of cellular electric batteries.
  • Cellular electric batteries of the type concerned here are known on the market, that is to say, made up of a casing that internally houses a plurality of electrochemical cells connected to produce electric current whose number of cells is irrelevant.
  • the number of cells can be around 200.
  • the batteries must have all the cells correctly positioned so that the connection arcs can be made later, for example, by means of a computerized robot.
  • the correct placement of the cells is done by means of an element that fixes the cells to each other through the central area of the cells, leaving their ends (upper and lower face) free for their connection.
  • the objective of the present invention is, therefore, to provide a casing specially designed to improve the transfer of heat from the cell to the outside, as well as a means to facilitate the fastening and correct placement of the subsequent connection cells.
  • the casing for an electric battery that the invention proposes is configured as the ideal solution to the aforementioned objective, the details being characterizations that make it possible and that distinguish it conveniently included in the final claims that accompany this description.
  • a casing for an electric battery in particular an electric battery, for example for motorcycles or similar electric vehicles, of those made up of a metal box that houses a plurality of electrochemical cells. or identical batteries, which is essentially distinguished by the fact that it comprises an upper fastening piece that, dimensioned to fit on the perimeter wall of the aforementioned box in the form of a container of the casing, serves for the fastening and centering of the cells. as well as for their insulation, for which it presents housings provided with holes, preferably circular like the cells, which surround the upper base of each cell and only expose the contacts necessary for the connection. electrical.
  • This upper fixing piece which is attached to the perimeter of the casing box, is used to center the cells on the upper part so that all the cells are perfectly parallel to each other with the same spacing, as well as to close the structure that supports cells and to isolate the positive pole from the negative pole and only leave a part visible or accessible for its connection.
  • each circular housing of the upper fixing piece has a central hole, coinciding with the lug on the upper base of the cells, which constitutes the positive pole or anode thereof, and a lateral hole, provided in the circular surface existing between said central hole and the perimeter wall of the slit, which exposes at least a portion of the perimeter edge of each cell and which constitutes the negative or cathode pole.
  • the upper fastening part of the casing also has cones that emerge around the aforementioned circular housings and that act as guide fingers to help to the joint centering of all the cells in their correct position.
  • said centering element is preferably needed to facilitate the centering of all of them together.
  • the electronic board is placed on the part and a robot proceeds to electrically connect the positive and negative poles of each cell through the holes provided in the part with the electronic board.
  • the container-shaped box of the casing which comprises a lower base and a perimeter wall, inside which the electrochemical cells are incorporated, which are preferably cylindrical, presents a series of grooves on the interior surface thereof, machined by milling the material on said surface, which cover its entire extension and present the shape, size and spacing suitable to receive a portion of the lower part of each cell, such that said cells are also attached on the opposite side to the piece of upper fixation and separated from each other at the same distance.
  • the cells are cylindrical and, therefore, in the preferred embodiment, the indentations on the inner surface of the base of the container-shaped box of the casing are also circular and of commensurate diameter. to the diameter of the cells.
  • the cells are fitted into each of the aforementioned slots by using some centering pieces, which have a kind of bowl made of plastic material, equipped with a lower hole and grooved walls that give them a certain flexibility, they are placed in the lower part of the cells between them and the housing that defines each slot, allowing to achieve a better adjustment of each cell in the corresponding slot.
  • the incorporation of a glue is foreseen to ensure a better fixation of the cells, which has a insulating composition of high electrical voltage and low resistance to thermal dissipation, such that it allows thermal conduction between the cells and the casing to favor the evacuation of the heat generated by the cells towards the base of the casing.
  • Figure number 1 Shows a schematic view in perspective from above of an example of embodiment of the box in the form of a container that includes the casing for electric battery object of the invention, appreciating its configuration, especially the grooves provided on the surface. interior of the base of said box;
  • Figure number 2. Shows a schematic perspective view of an example of the centering piece that is incorporated in each cell to facilitate centering in the slots of the box, which has been represented independently, appreciating its general configuration and main parts;
  • Figure number 3. Shows an example of a battery cell with the centering piece incorporated in its lower base;
  • Figure number 4.- Shows a sectional view, according to a transversal vertical section, of an example of the battery for which the casing object of the invention is intended, appreciating the arrangement of the cells in the grooves of the box as well as the upper fastening piece;
  • Figure number 5. Shows a perspective schematic view of an example of the upper fastening part that comprises the casing, according to the invention, which has been represented in an inverted position to
  • the casing (1) of the invention applicable to an electric battery (2) to accommodate a plurality of identical electrochemical cells (3) inside, essentially comprises a box (10 ) lower metal in the shape of a container, which forms a lower base (101) and a perimeter wall (102), where the cells (3) are incorporated, and an upper fixing piece (1 1 ) that, acting as a lid of the box (10) embedded on the perimeter wall (102) of the box (10) and on the cubicles (3), serves for fixing and centering the cells (3) as well as for the insulation of the themselves, exposing the contacts for electrical connection.
  • said upper fixing part (1 1 ) has a plurality of housings (7) with holes that, distributed throughout the entire extension of said piece, have a suitable number, shape and size to receive an upper portion of each of the cells (3), in such a way that they surround each cell (3) exposing and insulating the positive and negative contacts from each other of the same necessary for the electrical connection.
  • the cells (3) are cylindrical and the housings (7) of the upper fixing part (1 1 ) are circular and with a diameter according to the diameter of said cylindrical cells (3).
  • each circular housing (7) of the upper fixing piece (11) has a central hole (71), coinciding with the lug (31) of the upper base of the cells (3), which constitutes the positive pole or anode thereof, and a lateral hole (72) that exposes at least a portion of the perimeter edge (32) of each cell (3) and which constitutes the negative pole or cathode.
  • said central (71) and lateral (72) holes of the housings (7) of the upper fixing piece (1 1 ) can be clearly observed, while in Figure 3 the lug ( 31) and the perimeter edge (32) of each of the cells (3).
  • the upper fastening piece (1 1 ) of the casing (1) also has some centering cones (8) that emerge protruding around the housings (7) as guide fingers in order to help the centering of all the cells (3) of the battery (2).
  • said cones (8) have a rounded vertex and an inclination of their conical surface of about 15 Q with respect to their base, to favor said centering function.
  • Figure 6 shows said configuration of such cones (8).
  • the lower base (101) of the metal box (10) of the casing (1) internally presents a plurality of identical grooves (4), of preference obtained by machining by milling in the material that makes up said base, which are distributed over the entire extension of its surface and which have a suitable number, shape and size to receive a lower portion of each of the cells (3), such that each of the cells (3) of the battery are in turn held in one of the slots (4) and separated from each other with a regular separation between them.
  • the casing (1) is intended for a cylindrical cell battery (3), so that the grooves (4) on the internal surface of the base (101) of the box that make up the casing they are also circular in shape and with a diameter according to the diameter of the cells (3).
  • the battery (2) includes up to 200 cells (3).
  • each of the cells (3) of the battery (2) fits into each of the aforementioned grooves (4) of the box (10) of the casing (1) by including a centering piece. (5).
  • Said centering piece (5) preferably consisting of a piece of plastic material, as seen in figures 2 and 3, is preferably made up of a bowl-shaped body with a base centrally equipped with a hole (51), which It leaves the base of the cell (3) accessible, and a perimeter wall divided into various sections (52) by slots (53) open to the end, such that they give it some flexibility, allowing for a better adjustment of each cell ( 3) in the corresponding slot (4) of the box (10) of the casing (1).

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Mounting, Suspending (AREA)
  • Secondary Cells (AREA)

Abstract

La présente invention concerne une carcasse pour pile électrique qui peut être appliquée à une pile (2) électrique pour loger à l'intérieur, une pluralité d'éléments (3) électrochimiques identiques et comprend un corps (10) métallique en forme de contenant, constitué d'une base inférieure (101) et d'une paroi périmétrique (102) où se logent les éléments (3), qui comprend, en plus, une pièce de fixation supérieure (11) qui fait office de couvercle du corps (10) en s'emboîtant sur la paroi périmétrique (102) de celui-ci et sur les éléments (3), en les centrant et laissant à découvert, les contacts ou picots pour la connexion électrique. De préférence, la pièce de fixation supérieure (11) comprend une pluralité de logements (7) dotés d'orifices qui sont répartis sur toute la longueur de ladite pièce, ont un nombre, une forme et une taille aptes à recevoir une partie supérieure de chacun des éléments (3), de telle sorte qu'ils entourent chaque élément (3) en laissant à découvert et isolés les uns des autres, les contacts positifs et négatifs de ceux-ci.
PCT/ES2022/070793 2021-12-10 2022-12-12 Carcasse pour pile électrique Ceased WO2023105110A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2024534508A JP2025511424A (ja) 2021-12-10 2022-12-12 バッテリ用ケーシング

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
ESU202132432 2021-12-10
ES202132432U ES1284470Y (es) 2021-12-10 2021-12-10 Carcasa para bateria electrica
EP22382643.9 2022-07-05
EP22382643.9A EP4195359A1 (fr) 2021-12-10 2022-07-05 Boîtier pour batteries électriques

Publications (1)

Publication Number Publication Date
WO2023105110A1 true WO2023105110A1 (fr) 2023-06-15

Family

ID=85037076

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/ES2022/070793 Ceased WO2023105110A1 (fr) 2021-12-10 2022-12-12 Carcasse pour pile électrique

Country Status (2)

Country Link
JP (1) JP2025511424A (fr)
WO (1) WO2023105110A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016113177A1 (de) * 2016-07-18 2018-01-18 Oliver Puls Batterieanordnung
US20200203686A1 (en) * 2018-12-21 2020-06-25 Lg Chem, Ltd. Battery module including module housing
US20210257689A1 (en) * 2018-11-02 2021-08-19 Tvs Motor Company Limited Holder structure for energy storage cells and method for manufacturing the same
CN113287223A (zh) * 2018-12-28 2021-08-20 赛峰航空系统公司 电池储存外壳以及紧急定位发射器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016113177A1 (de) * 2016-07-18 2018-01-18 Oliver Puls Batterieanordnung
US20210257689A1 (en) * 2018-11-02 2021-08-19 Tvs Motor Company Limited Holder structure for energy storage cells and method for manufacturing the same
US20200203686A1 (en) * 2018-12-21 2020-06-25 Lg Chem, Ltd. Battery module including module housing
CN113287223A (zh) * 2018-12-28 2021-08-20 赛峰航空系统公司 电池储存外壳以及紧急定位发射器
US20220109208A1 (en) * 2018-12-28 2022-04-07 Safran Aerosystems Battery storage housing and emergency location transmitter

Also Published As

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JP2025511424A (ja) 2025-04-16

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