CN203589158U - High-voltage lithium ion battery - Google Patents
High-voltage lithium ion battery Download PDFInfo
- Publication number
- CN203589158U CN203589158U CN201320775479.7U CN201320775479U CN203589158U CN 203589158 U CN203589158 U CN 203589158U CN 201320775479 U CN201320775479 U CN 201320775479U CN 203589158 U CN203589158 U CN 203589158U
- Authority
- CN
- China
- Prior art keywords
- material layer
- lithium ion
- aluminium foil
- negative
- composite pole
- 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.)
- Expired - Lifetime
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- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- 239000002131 composite material Substances 0.000 claims abstract description 47
- 239000011888 foil Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 21
- 239000002184 metal Substances 0.000 claims abstract description 21
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000000565 sealant Substances 0.000 claims abstract description 10
- 239000003792 electrolyte Substances 0.000 claims abstract description 5
- 239000005030 aluminium foil Substances 0.000 claims description 27
- 239000007773 negative electrode material Substances 0.000 claims description 17
- 239000007774 positive electrode material Substances 0.000 claims description 17
- 229910052782 aluminium Inorganic materials 0.000 claims description 16
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 9
- 238000002955 isolation Methods 0.000 claims description 8
- 239000011148 porous material Substances 0.000 claims description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 9
- 229910052744 lithium Inorganic materials 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 238000004146 energy storage Methods 0.000 abstract description 3
- 239000010405 anode material Substances 0.000 abstract 1
- 239000010406 cathode material Substances 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000203 mixture Substances 0.000 description 4
- JRBRVDCKNXZZGH-UHFFFAOYSA-N alumane;copper Chemical compound [AlH3].[Cu] JRBRVDCKNXZZGH-UHFFFAOYSA-N 0.000 description 3
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 2
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 239000006258 conductive agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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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- Cell Electrode Carriers And Collectors (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a high-voltage lithium ion battery comprising an anode current collector, a cathode current collector and a plurality of composite plates, wherein the composite plates adopt metal foils as base materials; an anode material layer is coated at one side of each metal foil; a cathode material layer is coated at the other side of each metal foil; a microporous diaphragm is formed between two composite plates; an electrolyte is fully filled between two metal foil base materials; the outer edges of the composite plates are insulated and isolated by adopting the sealant. The high-voltage lithium ion battery just adopts the metal foils as the base materials of the composite plates, so that the high-voltage lithium ion battery is low in material price and simple in process, the manufacturing cost of the high-voltage lithium ion battery is reduced, the safety of the lithium battery is greatly improved, the circulating service life is greatly prolonged, and the high-voltage lithium ion battery is applicable to the fields of electric vehicles and energy storage.
Description
[technical field]
The utility model relates to the technical field of battery, particularly the technical field of electric vehicle high pressure lithium battery.
[background technology]
The battery core inside of the monomer power lithium-ion battery of Application and Development generally consists of a battery unit at present, and battery core working voltage platform scope is between 3～4V, and the charged capacity of battery core may be up to 100 ampere-hours (Ah).For high capacity lithium ion battery, if battery core inside does not have other safety measure or safety measure to lose efficacy, once inner certain is short-circuited, battery core will discharge amount of heat at short notice, cause the complete failure of cell that the security incidents such as combustion explosion even occur.Electric motor car is very strict for the security requirement of power lithium-ion battery, this makes power lithium-ion battery must adopt the better electrode material of security performance, or increase extra inside battery safety measure, therefore this has limited the performance of lithium ion battery power performance to a great extent, has also reduced possible energy density and the power density of battery pack.
In order to overcome above-mentioned defect, Chinese patent 2009102435539 discloses a kind of battery core of high-voltage battery, adopt copper aluminum composite foil to make composite pole piece, but it is promoted in production and is difficult to realize in reality, because copper aluminum composite foil still can not commercially be produced, manufacture difficulty and the cost of manufacture of the composite pole piece of employing copper aluminum composite foil are high.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, a kind of high-voltage lithium ion batteries is proposed, only adopt the base material of metal aluminum foil as composite pole piece, material price is low, technique is simple, reduce the manufacturing cost of high-voltage lithium ion batteries, and greatly improved fail safe and the cycle life of lithium battery, be applicable to the application in motor vehicle and energy storage field.
For achieving the above object, the utility model proposes a kind of high-voltage lithium ion batteries, comprise plus plate current-collecting body, negative current collector and some composite pole pieces, it is base material that described composite pole piece adopts metal aluminum foil, the one side of metal aluminum foil scribbles positive electrode material layer, and the another side of metal aluminum foil scribbles negative electrode material layer, between two composite pole pieces, is provided with micro-pore septum, between two metal aluminum foil base materials, be full of electrolyte, the outer of composite pole piece adopts the fluid sealant isolation of insulating.
As preferably, the central area on the two sides of described composite pole piece scribbles respectively positive electrode material layer and negative electrode material layer, it is the white aluminium foil of staying of 5～25mm that the surrounding of composite pole piece is provided with width, and described fluid sealant will stay the isolation of insulating of white aluminium foil on some composite pole pieces.In positive electrode material layer, adopt a kind of in LiMn2O4, cobalt acid lithium and LiFePO 4 or arbitrarily several mixture as positive active material, in negative electrode material layer, adopt lithium titanate as negative electrode active material, MULTILAYER COMPOSITE pole piece, micro-pore septum are overlapping, just form high voltage battery core, overlapping is more, and voltage is just higher.
As preferably, described plus plate current-collecting body comprises anode collection aluminium foil and is only coated in the positive electrode material layer of anode collection aluminium foil inner side, the upper end of described anode collection aluminium foil is provided with positive pole ear, plus plate current-collecting body overlaps a lateral edges of some composite pole pieces, described negative current collector comprises negative pole currect collecting aluminium foil and is only coated in the negative electrode material layer of negative pole currect collecting aluminium foil inner side, the upper end of described negative pole currect collecting aluminium foil is provided with negative lug, and negative current collector overlaps the opposite side edge of some composite pole pieces.
The beneficial effects of the utility model: the utility model passes through using metal aluminum foil as base material, after its positive and negative applies respectively positive electrode material layer and negative electrode material layer, make and form composite pole piece, material price is low, technique is simple, reduced the manufacturing cost of high-voltage lithium ion batteries, and adopt micro-pore septum that two composite pole pieces are separated and form a battery unit structure, multiple battery units are overlapping is high-voltage battery, the fluid sealant isolation of effectively insulating, prevent from occurring between composite pole piece short circuit phenomenon, fail safe and the cycle life of lithium battery have greatly been improved, be applicable to the application in motor vehicle and energy storage field.
Feature of the present utility model and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the main pseudosection of a kind of high-voltage lithium ion batteries of the utility model;
Fig. 2 is the enlarged drawing of A portion in Fig. 1;
Fig. 3 is the main pseudosection of composite pole piece in the utility model;
Fig. 4 is the left TV structure schematic diagram of a kind of high-voltage lithium ion batteries of the utility model;
Fig. 5 is the right TV structure schematic diagram of a kind of high-voltage lithium ion batteries of the utility model.
In figure: 2-plus plate current-collecting body, 3-negative current collector, 4-composite pole piece, 5-micro-pore septum, 6-electrolyte, 7-fluid sealant, 21-anode collection aluminium foil, 22-positive pole ear, 31-negative pole currect collecting aluminium foil, 32-positive pole ear, 41-metal aluminum foil, 42-positive electrode material layer, 43-negative electrode material layer, 44-stay white aluminium foil.
[embodiment]
Consult Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, a kind of high-voltage lithium ion batteries of the utility model, comprise plus plate current-collecting body 2, negative current collector 3 and some composite pole pieces 4, described composite pole piece 4 adopts metal aluminum foil 41 for base material, the one side of metal aluminum foil 41 scribbles positive electrode material layer 42, positive electrode material layer 42 is positive active material, the mixture of conductive agent and adhesive, positive active material adopts LiMn2O4, a kind of or any several mixture in cobalt acid lithium and LiFePO 4, the another side of metal aluminum foil 41 scribbles negative electrode material layer 43, described negative electrode material layer 43 is negative electrode active material, the mixture of conductive agent and binding agent, described negative electrode active material adopts lithium titanate, between two composite pole pieces 4, be provided with micro-pore septum 5, between two metal aluminum foil 41 base materials, be full of electrolyte 6, the outer of composite pole piece 4 adopts fluid sealant 7 isolation of insulating, the central area on the two sides of described composite pole piece 4 scribbles respectively positive electrode material layer 42 and negative electrode material layer 43, it is the white aluminium foil 44 of staying of 5～25mm that the surrounding of composite pole piece 4 is provided with width, described fluid sealant 7 will stay the isolation of insulating of white aluminium foil 44 on some composite pole pieces 4, described plus plate current-collecting body 2 comprises anode collection aluminium foil 21 and is only coated in the positive electrode material layer 42 of anode collection aluminium foil 21 inner sides, the upper end of described anode collection aluminium foil 21 is provided with positive pole ear 22, plus plate current-collecting body 2 overlaps a lateral edges of some composite pole pieces 4, described negative current collector 3 comprises negative pole currect collecting aluminium foil 31 and is only coated in the negative electrode material layer 43 of negative pole currect collecting aluminium foil 31 inner sides, the upper end of described negative pole currect collecting aluminium foil 31 is provided with negative lug 32, negative current collector 3 overlaps the opposite side edge of some composite pole pieces 4.
The utility model course of work:
A kind of high-voltage lithium ion batteries of the utility model in the course of the work, by using metal aluminum foil 41 as base material, at its positive and negative, apply respectively positive electrode material layer 42 and the rear making formation of negative electrode material layer 43 composite pole piece 4, material price is low, technique is simple, reduced the manufacturing cost of high-voltage lithium ion batteries, and adopt micro-pore septum 5 that two composite pole pieces 4 are separated and form a battery unit structure, fluid sealant 7 isolation of effectively insulating, prevent from occurring short circuit phenomenon between composite pole piece 4, fail safe and the cycle life of lithium battery have greatly been improved, plus plate current-collecting body 2 and negative current collector 3 with lug can carry out effective drainage.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, any scheme after the utility model simple transformation is all belonged to protection range of the present utility model.
Claims (3)
1. a high-voltage lithium ion batteries, it is characterized in that: comprise plus plate current-collecting body (2), negative current collector (3) and some composite pole pieces (4), it is base material that described composite pole piece (4) adopts metal aluminum foil (41), the one side of metal aluminum foil (41) scribbles positive electrode material layer (42), the another side of metal aluminum foil (41) scribbles negative electrode material layer (43), between two composite pole pieces (4), be provided with micro-pore septum (5), between two metal aluminum foils (41) base material, be full of electrolyte (6), the outer of composite pole piece (4) adopts fluid sealant (7) isolation of insulating.
2. a kind of high-voltage lithium ion batteries as claimed in claim 1, it is characterized in that: the central area on the two sides of described composite pole piece (4) scribbles respectively positive electrode material layer (42) and negative electrode material layer (43), it is the white aluminium foil of staying of 5～25mm (44) that the surrounding of composite pole piece (4) is provided with width, and described fluid sealant (7) will stay white aluminium foil (44) isolation of insulating on some composite pole pieces (4).
3. a kind of high-voltage lithium ion batteries as claimed in claim 1, it is characterized in that: described plus plate current-collecting body (2) comprises anode collection aluminium foil (21) and is only coated in the positive electrode material layer (42) of anode collection aluminium foil (21) inner side, the upper end of described anode collection aluminium foil (21) is provided with positive pole ear (22), plus plate current-collecting body (2) overlaps a lateral edges of some composite pole pieces (4), described negative current collector (3) comprises negative pole currect collecting aluminium foil (31) and is only coated in the negative electrode material layer (43) of negative pole currect collecting aluminium foil (31) inner side, the upper end of described negative pole currect collecting aluminium foil (31) is provided with negative lug (32), negative current collector (3) overlaps the opposite side edge of some composite pole pieces (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775479.7U CN203589158U (en) | 2013-11-29 | 2013-11-29 | High-voltage lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320775479.7U CN203589158U (en) | 2013-11-29 | 2013-11-29 | High-voltage lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203589158U true CN203589158U (en) | 2014-05-07 |
Family
ID=50587022
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320775479.7U Expired - Lifetime CN203589158U (en) | 2013-11-29 | 2013-11-29 | High-voltage lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203589158U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114730943A (en) * | 2021-09-14 | 2022-07-08 | 宁德新能源科技有限公司 | Battery cell, battery and electric equipment |
-
2013
- 2013-11-29 CN CN201320775479.7U patent/CN203589158U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114730943A (en) * | 2021-09-14 | 2022-07-08 | 宁德新能源科技有限公司 | Battery cell, battery and electric equipment |
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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: ZHEJIANG XINGHAI ENERGY TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: XU AOKUI Effective date: 20150513 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150513 Address after: 313100 No. 1346 Taihu Avenue, Changxing County economic and Technological Development Zone, Zhejiang Patentee after: ZHEJIANG XINGHAI ENERGY TECHNOLOGY Co.,Ltd. Address before: 313100 Zhejiang city of Huzhou province Changxing County economic and Technological Development Zone Taihu Road No. 1346 Zhejiang Xinghai Energy Technology Co. Patentee before: Xu Aokui |
|
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 313100 Changxin Economic Development Zone, Zhejiang, Huzhou Patentee after: ZHEJIANG XINGHAI ENERGY TECHNOLOGY Co.,Ltd. Address before: 313100 No. 1346 Taihu Avenue, Changxing County economic and Technological Development Zone, Zhejiang Patentee before: Zhejiang Xinghai Energy Technology Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20140507 |
|
| CX01 | Expiry of patent term |