CN202585618U - Square aluminum shell battery core structure of lithium ion battery - Google Patents
Square aluminum shell battery core structure of lithium ion battery Download PDFInfo
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- CN202585618U CN202585618U CN2012202111876U CN201220211187U CN202585618U CN 202585618 U CN202585618 U CN 202585618U CN 2012202111876 U CN2012202111876 U CN 2012202111876U CN 201220211187 U CN201220211187 U CN 201220211187U CN 202585618 U CN202585618 U CN 202585618U
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- pole
- negative electrode
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- positive electrode
- pole piece
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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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Abstract
The utility model discloses a square aluminum shell battery core structure of a lithium ion battery. The square aluminum shell battery core structure comprises two pole piece units in the same structure, wherein each of the pole piece units includes a positive electrode, a negative electrode, an ion permeable insulation layer between the positive electrode and the negative electrode and an ion conduction polymer layer between the negative electrode and the ion permeable insulation layer. The positive electrode comprises a positive electrode current collector and positive electrode diaphragms arranged on two sides of the positive electrode current collector. The negative electrode includes a negative electrode current collector and negative electrode diaphragms arranged on two sides of the negative electrode current collector. The ion permeable insulation layer is provided with a plurality of through holes. One ends of the positive electrode and the negative electrode of the first pole piece unit lead out the positive electrode tab and the negative electrode tab respectively, and the other ends of the positive electrode and the negative electrode of the first pole piece lead out a positive electrode connecting conducting plate and a negative electrode connecting conducting plate respectively. According to the square aluminum shell battery core structure, permeation efficiency of electrolyte can be improved, battery capacity can be expanded, and the square aluminum shell battery core structure has a good charge-discharge cycle function.
Description
Technical field
The utility model belongs to technical field of lithium ion, relates to a kind of square aluminum case lithium ion battery core strueture.
Background technology
Along with the continuous development of society, lithium ion battery has obtained using widely.People are carrying out exploitation that the square aluminum case lithium ion battery is used as the vehicle mounted power supply of hybrid vehicle etc., no power failure power supply etc. always; Hope to improve the infiltration efficient of the electrolyte of lithium ion battery through various schemes; Increase capacity of lithium ion battery; Improve charge-discharge performance, obtain big multiplying power discharging and high capacity cell.
The utility model content
The utility model technical problem to be solved provides a kind of square aluminum case lithium ion battery core strueture, can improve the infiltration efficient of the electrolyte of lithium ion battery, increases capacity of lithium ion battery, and has the favorable charge-discharge cycle performance.
The technical solution of utility model is following:
A kind of square aluminum case lithium ion battery core strueture comprises two pole piece body units that structure is identical: the first pole piece body unit and the second pole piece body unit;
Said pole piece body unit comprises positive pole, negative pole, between the ion permeability insulating barrier between positive pole and the negative pole, ionic conductivity polymeric layer between negative pole and ion permeability insulating barrier;
Said positive pole comprises plus plate current-collecting body and the anodal diaphragm that is arranged at the plus plate current-collecting body both sides, and said negative pole comprises negative current collector and the cathode membrane that is arranged at the negative current collector both sides;
Have a plurality of through holes on the said ion permeability insulating barrier;
One end of the positive pole of the first pole piece body unit and negative pole is drawn positive pole ear and negative lug respectively, and the other end is drawn the anodal conducting strip that connects and is connected conducting strip with negative pole;
The said anodal conducting strip that connects is connected positive pole and the negative pole that conducting strip connects the second pole piece body unit respectively with negative pole.
Beneficial effect:
This practical square aluminum case lithium ion battery core strueture; Have two pole piece body units that structure is identical; And have a plurality of through holes on its ion permeability insulating barrier, can improve the infiltration efficient of the electrolyte of lithium ion battery, and obtain big multiplying power discharging property and big capacity.
Description of drawings
Fig. 1 is this practical square aluminum case lithium ion battery core strueture sketch map.
1 is positive pole ear among the figure, and 2 is negative lug, and 31 is anodal diaphragm, and 32 is plus plate current-collecting body; 4 is the ion permeability insulating barrier, and 5 is the ionic conductivity polymeric layer, and 61 is cathode membrane; 62 is negative current collector, and 7 is the anodal conducting strip that connects, and 8 are negative pole connection conducting strip.
Embodiment
Below will combine accompanying drawing and specific embodiment that the utility model is explained further details:
As shown in Figure 1, a kind of square aluminum case lithium ion battery core strueture comprises two pole piece body units that structure is identical: the first pole piece body unit and the second pole piece body unit; Said pole piece body unit comprises positive pole, negative pole, between the ion permeability insulating barrier between positive pole and the negative pole, ionic conductivity polymeric layer between negative pole and ion permeability insulating barrier; Said positive pole comprises plus plate current-collecting body and the anodal diaphragm that is arranged at the plus plate current-collecting body both sides, and said negative pole comprises negative current collector and the cathode membrane that is arranged at the negative current collector both sides; Have a plurality of through holes on the said ion permeability insulating barrier; One end of the positive pole of the first pole piece body unit and negative pole is drawn positive pole ear and negative lug respectively, and the other end is drawn the anodal conducting strip that connects and is connected conducting strip with negative pole; The said anodal conducting strip that connects is connected positive pole and the negative pole that conducting strip connects the second pole piece body unit respectively with negative pole.
The utility model square aluminum case lithium ion battery core strueture; Owing to have two pole piece body units that structure is identical; Thereby obtained big multiplying power discharging property and big capacity, and have a plurality of through holes on its ion permeability insulating barrier, thereby electrolyte is easy to be penetrated in the electric core; Improve the infiltration efficient of electrolyte, also improved the production efficiency of battery.
Claims (1)
1. a square aluminum case lithium ion battery core strueture is characterized in that, comprises two pole piece body units that structure is identical: the first pole piece body unit and the second pole piece body unit;
Said pole piece body unit comprises positive pole, negative pole, between the ion permeability insulating barrier between positive pole and the negative pole, ionic conductivity polymeric layer between negative pole and ion permeability insulating barrier;
Said positive pole comprises plus plate current-collecting body and the anodal diaphragm that is arranged at the plus plate current-collecting body both sides, and said negative pole comprises negative current collector and the cathode membrane that is arranged at the negative current collector both sides;
Have a plurality of through holes on the said ion permeability insulating barrier;
One end of the positive pole of the first pole piece body unit and negative pole is drawn positive pole ear and negative lug respectively, and the other end is drawn the anodal conducting strip that connects and is connected conducting strip with negative pole;
The said anodal conducting strip that connects is connected positive pole and the negative pole that conducting strip connects the second pole piece body unit respectively with negative pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202111876U CN202585618U (en) | 2012-05-11 | 2012-05-11 | Square aluminum shell battery core structure of lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202111876U CN202585618U (en) | 2012-05-11 | 2012-05-11 | Square aluminum shell battery core structure of lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202585618U true CN202585618U (en) | 2012-12-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202111876U Expired - Fee Related CN202585618U (en) | 2012-05-11 | 2012-05-11 | Square aluminum shell battery core structure of lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202585618U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109937505A (en) * | 2016-11-08 | 2019-06-25 | 株式会社村田制作所 | Solid state battery, the manufacturing method of solid state battery, battery pack, vehicle, accumulating system, electric tool and electronic equipment |
| CN112216875A (en) * | 2019-07-10 | 2021-01-12 | 比亚迪股份有限公司 | Lithium ion battery repeating unit, lithium ion battery, using method of lithium ion battery, battery module and automobile |
-
2012
- 2012-05-11 CN CN2012202111876U patent/CN202585618U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109937505A (en) * | 2016-11-08 | 2019-06-25 | 株式会社村田制作所 | Solid state battery, the manufacturing method of solid state battery, battery pack, vehicle, accumulating system, electric tool and electronic equipment |
| CN112216875A (en) * | 2019-07-10 | 2021-01-12 | 比亚迪股份有限公司 | Lithium ion battery repeating unit, lithium ion battery, using method of lithium ion battery, battery module and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20150511 |
|
| EXPY | Termination of patent right or utility model |