CN201975477U - Lithium ion battery pack with plurality of voltage platforms - Google Patents
Lithium ion battery pack with plurality of voltage platforms Download PDFInfo
- Publication number
- CN201975477U CN201975477U CN2011200828748U CN201120082874U CN201975477U CN 201975477 U CN201975477 U CN 201975477U CN 2011200828748 U CN2011200828748 U CN 2011200828748U CN 201120082874 U CN201120082874 U CN 201120082874U CN 201975477 U CN201975477 U CN 201975477U
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- core body
- electric core
- electrode leading
- out terminal
- housing
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model belongs to the technical field of batteries and discloses a lithium ion battery pack with a plurality of voltage platforms. The lithium ion battery pack comprises electrical core bodies and a housing for accommodating the electrical core bodies; each electrical core body is provided with a positive electrode leading-out terminal and a negative electrode leading-out terminal; electrolyte is poured in the housing, the electrical core bodies are isolated by insulation layers, and all the electrical core bodies are in the same electrolyte and are sealed by the same housing; the positive electrode leading-out terminals and the negative electrode leading-out terminals are encapsulated outside the housing; and the different electrical core bodies are connected in series, connected in parallel, or connected both in series and in parallel through the connection of the positive electrode leading-out terminals and the negative electrode leading-out terminals outside the housing. The battery pack can input and output different voltage platforms when an electrical appliance is used in different conditions, meeting requirements of different chargers and electrical appliances.
Description
Technical field
The utility model relates to field of batteries, relates in particular to a kind of lithium ion battery group of multivoltage platform.
Background technology
Present lithium ion battery has only a volume core in the die cavity of a packaging film or the shell, make finished product electricity core after, when battery series and parallel combo, because each electric core is in the different electrolyte systems, at the series and parallel circulation time, the life-span of battery is shorter.Have now at a plurality of electric cores of inner series and parallel, the battery pack working voltage platform is single, and charge and discharge system is unique, and is dumb during use; Chinese patent CN201478399 U discloses a kind of inner the lithium ion battery group that is encapsulated in behind the volume core series and parallel in the same housing, this battery pack made when charging back required input voltage platform and during discharge the voltage platform of output all unique, charge and discharge system is single, can not satisfy the requirement to voltage platform of different chargers and electrical appliance.
Summary of the invention
It is good that technical problem to be solved in the utility model provides a kind of security performance, can import, export the lithium ion battery group of the multivoltage platform of different voltages.
For solving the problems of the technologies described above, the utility model is by the following technical solutions: a kind of lithium ion battery group of multivoltage platform, the electric core body that comprises positively charged utmost point leading-out terminal and negative electrode leading-out terminal, and the housing that holds electric core body, in housing, be perfused with electrolyte, described electric core body is separated by insulating barrier, and described electric core body all is in the electrolyte of same system, and airtight by same housing; Described positive and negative electrode leading-out terminal is encapsulated in outside, by of the connection of positive and negative electrode leading-out terminal in outside, different electric core bodys be connected in series, be connected in parallel, a kind of in the connected mode share in connection in series-parallel.
Further: in the lithium ion battery group of above-mentioned multivoltage platform, described electric core body is 4 at least.Between the described electric core body is to be connected in series.Between the perhaps described electric core body is to be connected in parallel.Also or between the described electric core body be connected into the core body series battery in twos, two core body series batteries are connected in parallel again.
Further again: in the lithium ion battery group of above-mentioned multivoltage platform, preferred insulating barrier is the insulation diaphragm that is wrapped on the electric core body.
Compared with prior art, the lithium ion battery group of above-mentioned multivoltage platform, the electric core body that comprises positively charged utmost point leading-out terminal and negative electrode leading-out terminal, and the housing that holds electric core body, in housing, be perfused with electrolyte, described electric core body is separated by insulating barrier, and described electric core body all is in the electrolyte of same system, and airtight by same housing; Described positive and negative electrode leading-out terminal is encapsulated in outside, between the different electric core bodys be connected in series, be connected in parallel, a kind of in the connected mode share in connection in series-parallel.Present technique adopts two or more electric core bodys to be encapsulated in same electrolyte system, but the positive and negative electrode leading-out terminal of each electric core body freely connects in package outside, can carry out the battery pack of series and parallel flexibly.Electricity has barrier film to separate between the core body 3, not conducting mutually, and electrolyte can flow mutually between each volume core, so it is good to carry out combo than a plurality of batteries aspect consistency.Simultaneously, control the method for series-parallel electric core number by external circuit, the output voltage platform of battery pack is more than the battery pack that connects by connection in series-parallel in inside.When battery pack is used under different condition according to electrical appliance, can import, export different voltage platforms, satisfy the requirement of different chargers, electrical appliance.
Description of drawings
Fig. 1 is the structural representation of four electric core body series connection in the present embodiment one;
Fig. 2 is the structural representation of four electric core body parallel connections in the present embodiment two;
Fig. 3 is four structural representations that electric core body connection in series-parallel is share in the present embodiment three;
Wherein 1 positive electrode leading-out terminal, 2 negative electrode leading-out terminals, 3 electric core bodys, 4 housings.
Embodiment
For the ease of those skilled in the art's understanding, the utility model structural principle is further described in detail below in conjunction with embodiment and accompanying drawing:
Execution mode one: as Fig. 1, a kind of lithium ion battery group of multivoltage platform, the electric core body 3 that comprises positively charged utmost point leading-out terminal 1 and negative electrode leading-out terminal 2, and the housing 4 that holds electric core body, in housing 4, be perfused with electrolyte, described electric core body 3 is enclosed with insulation diaphragm, and described electric core body 3 all is in the electrolyte of same system, and airtight by same housing 4; Described positive and negative electrode leading-out terminal 1,2 is encapsulated in housing 4 outsides, and described core body 3 is 4.By positive and negative electrode leading-out terminal 1,2 connections in outside, between the different electric core bodys 3 is to be connected in series, the negative electrode leading-out terminal 2 that is first electric core body 3 links to each other with the positive electrode leading-out terminal 1 of second electric core body 3, the negative electrode leading-out terminal 2 of second electric core body 3 links to each other with the positive electrode leading-out terminal 1 of the 3rd electric core body 3, the negative electrode leading-out terminal 2 of the 3rd electric core body 3 links to each other with the positive electrode leading-out terminal 1 of the 4th electric core body 3, the nominal voltage of setting each electric core body all is 3.7V, and that output voltage between the negative electrode leading-out terminal of the positive electrode leading-out terminal 1 of first electric core body and the 4th electric core body 3 is 14.8V.
Execution mode two: as Fig. 2, a kind of lithium ion battery group of multivoltage platform, the electric core body 3 that comprises positively charged utmost point leading-out terminal 1 and negative electrode leading-out terminal 2, and the housing 4 that holds electric core body, in housing 4, be perfused with electrolyte, described electric core body 3 is enclosed with insulation diaphragm, and described electric core body 3 all is in the electrolyte of same system, and airtight by same housing 4; Described positive and negative electrode leading-out terminal 1,2 is encapsulated in housing 4 outsides, and described core body 3 is 4.By 1,2 the connections of positive and negative electrode leading-out terminal in outside, between the different electric core bodys 3 is to be connected in parallel, promptly the positive electrode leading-out terminal 1 of four electric core bodys 3 links to each other, and its negative electrode leading-out terminal 2 links to each other, and that output voltage between the positive and negative electrode leading-out terminal is 3.7V.
Execution mode three: as Fig. 3, a kind of lithium ion battery group of multivoltage platform, the electric core body 3 that comprises positively charged utmost point leading-out terminal 1 and negative electrode leading-out terminal 2, and the housing 4 that holds electric core body, in housing 4, be perfused with electrolyte, described electric core body 3 is enclosed with insulation diaphragm, and described electric core body 3 all is in the electrolyte of same system, and airtight by same housing 4; Described positive and negative electrode leading-out terminal 1,2 is encapsulated in housing 4 outsides, and described core body 3 is 4.By 1,2 the connections of positive and negative electrode leading-out terminal in outside, be that connection is share in connection in series-parallel between the different electric core bodys 3, promptly the negative electrode leading-out terminal 2 of first electric core body 3 links to each other with the positive electrode leading-out terminal 1 of second electric core body 3; The negative electrode leading-out terminal 2 of the 3rd electric core body 3 links to each other with the positive electrode leading-out terminal 1 of the 4th electric core body 3; The positive electrode leading-out terminal 1 of first electric core body 3 links to each other with the positive electrode leading-out terminal 1 of the 3rd electric core body 3, the negative electrode leading-out terminal 2 of second electric core body 3 links to each other with the negative electrode leading-out terminal 2 of the 4th electric core body 3, the nominal voltage of setting each electric core body all is 3.7V, and the output voltage of this battery pack is 7.4V.
Above-mentioned only is preferred implementation of the present utility model, and in addition, the utility model can also have other implementations.That is to say that under the prerequisite that does not break away from the utility model design, any conspicuous replacement all should fall within the protection range of the present utility model.
Claims (6)
1. the lithium ion battery group of a multivoltage platform, the electric core body (3) that comprises positively charged utmost point leading-out terminal (1) and negative electrode leading-out terminal (2), and the housing (4) that holds electric core body, in housing (4), be perfused with electrolyte, described electric core body (3) is separated by insulating barrier, it is characterized in that:
Described electric core body (3) all is in the electrolyte of same system, and airtight by same housing (4);
Described positive and negative electrode leading-out terminal (1,2) is encapsulated in housing (4) outside;
By the connection of positive and negative electrode leading-out terminal (1,2) in outside, different electric core bodys (3) be connected in series, be connected in parallel, a kind of in the connected mode share in connection in series-parallel.
2. the lithium ion battery group of multivoltage platform according to claim 1 is characterized in that: described electric core body (3) is 4 at least.
3. the lithium ion battery group of multivoltage platform according to claim 2 is characterized in that: between the described electric core body (3) is to be connected in series.
4. the lithium ion battery group of multivoltage platform according to claim 2 is characterized in that: between the described electric core body (3) is to be connected in parallel.
5. the lithium ion battery group of multivoltage platform according to claim 2 is characterized in that: be connected into the core body series battery in twos between the described electric core body (3), two core body series batteries are connected in parallel again.
6. according to the lithium ion battery group of any described multivoltage platform among the claim 1-5, it is characterized in that: preferred insulating barrier is the insulation diaphragm that is wrapped on the electric core body (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200828748U CN201975477U (en) | 2011-03-25 | 2011-03-25 | Lithium ion battery pack with plurality of voltage platforms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200828748U CN201975477U (en) | 2011-03-25 | 2011-03-25 | Lithium ion battery pack with plurality of voltage platforms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201975477U true CN201975477U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200828748U Expired - Lifetime CN201975477U (en) | 2011-03-25 | 2011-03-25 | Lithium ion battery pack with plurality of voltage platforms |
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| CN (1) | CN201975477U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945929A (en) * | 2012-11-30 | 2013-02-27 | 天津中聚电池技术有限公司 | Multi-pole-set battery and manufacture method thereof |
| CN106058323A (en) * | 2016-07-27 | 2016-10-26 | 付逸聪 | Lithium ion battery pack |
| CN112993479A (en) * | 2021-02-05 | 2021-06-18 | 天津海狸新能源科技有限公司 | Adjustable voltage lithium cell based on many electric cores |
| US11424504B2 (en) | 2019-08-09 | 2022-08-23 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
-
2011
- 2011-03-25 CN CN2011200828748U patent/CN201975477U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102945929A (en) * | 2012-11-30 | 2013-02-27 | 天津中聚电池技术有限公司 | Multi-pole-set battery and manufacture method thereof |
| CN106058323A (en) * | 2016-07-27 | 2016-10-26 | 付逸聪 | Lithium ion battery pack |
| US11424504B2 (en) | 2019-08-09 | 2022-08-23 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
| US11916245B2 (en) | 2019-08-09 | 2024-02-27 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
| US12469915B2 (en) | 2019-08-09 | 2025-11-11 | Techtronic Cordless Gp | Battery pack support portion configured to accommodate multiple different device interfaces |
| CN112993479A (en) * | 2021-02-05 | 2021-06-18 | 天津海狸新能源科技有限公司 | Adjustable voltage lithium cell based on many electric cores |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: HUIZHOU EVE ENERGY CO., LTD. Free format text: FORMER OWNER: HUIZHOU DESAY POLYPOWER BATTERY CO., LTD. Effective date: 20130703 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130703 Address after: Seven road 516006 in Guangdong province Huizhou City Zhongkai high tech Zone Huifeng No. 36 Patentee after: Huizhou EVE Energy Co., Ltd. Address before: 516006 Guangdong province Huizhou City Zhongkai high tech Zone No. 6 District -7 plots Patentee before: Huizhou Desay Polypower Battery Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110914 |