CN201868499U - Full-lug drainage square battery - Google Patents
Full-lug drainage square battery Download PDFInfo
- Publication number
- CN201868499U CN201868499U CN2010202628027U CN201020262802U CN201868499U CN 201868499 U CN201868499 U CN 201868499U CN 2010202628027 U CN2010202628027 U CN 2010202628027U CN 201020262802 U CN201020262802 U CN 201020262802U CN 201868499 U CN201868499 U CN 201868499U
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- negative
- metal
- lug
- shell
- carbon
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- 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 - Fee Related
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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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- Cell Electrode Carriers And Collectors (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
A full-lug drainage square battery is characterized in that both a side surface (9) of a cathode current collector not coated with a cathode material (8) and a side surface (2) of an anode current collector not coated with an anode material (3) serve as lugs respectively welded on cathode conductive posts and an anode conductive posts, or conductive plates (1 and 10), or conductive rings or a shell (6), lithium metal, sodium metal, magnesium metal, zinc, cadmium, metal alloy, a carbon material, Li4Ti5O12 or a carbon-metal composite material serves as cathodes (4), LiCoO2, LiMn1-x-yNixCoyO2, LiMnO4 or LiFePO4 serves as anodes (7), insulating separators (5) allowing ions to pass cling to two sides of each of the cathodes (4) and anodes (7), the anodes (7), the separators (5) and the cathodes (4) are laminated in sequence to form the battery, and electrolyte is sealed in the battery through the shell (6).
Description
Technical field
The utility model belongs to a kind of rectangular cell in the electrical installation.Can be used as the energy storage device of the various weaponrys and the vehicles, and uninterrupted power supply of all kinds of substation, hospital operating room, nuclear reactor control, protective equipment, space flight communications service, radio communication, emergency power supply etc.
Background technology
In existing rectangular cell manufacturing technology, what pole piece was taked is the mode that full coat covers, weld conducting strip after the pole piece cutting again as lug, not only increased the complexity of technology, and because the lug area is limited, the internal resistance of cell is bigger, anti-high-power poor performance, promptly battery high magnification charge is poor, and specific power is not high, use is very limited, and is not suitable for using on equipment such as space-based weapon, electric motor car.
Summary of the invention
The purpose of this utility model is a kind of full lug formula rectangular cell that redesigns for the above-mentioned defective that overcomes existing battery, makes it have that internal resistance is low, the specific power advantages of higher.
The utility model is to rely on following technology to realize: use lithium metal, sodium metal, magnesium metal, zinc, cadmium, metal alloy, material with carbon element, lithium titanate (Li
4Ti
5O
12), carbon-metal composite material is made negative pole 4, cobalt acid lithium, cobalt nickel LiMn2O4, LiMn2O4, LiFePO 4 can take off/compound of embedding lithium ion, other oxide, sulfide, or hydroxide does anodal 7, the two sides of each negative pole 4 and positive pole 7 is close to one can be by the insulation diaphragm 5 of ion, by anodal 7, barrier film 5, the order lamination of negative pole 4, the side 9 of the uncoated positive electrode of plus plate current-collecting body and the side 2 of the uncoated negative material of negative current collector are welded on the both positive and negative polarity conductive pole, on the conducting strip 1 and 10, on the conducting ring or on the shell 6, constitute battery, electrolyte is sealed within the battery with encapsulant.Electrolyte has two classes: a class is lithium hexafluoro phosphate (LiPF
6) be solute, the mixed liquor of propene carbonate (PC) and ethylene carbonate (EC) and diethyl carbonate (DEC) is the formulated 0.5～1.5M solution of solvent; Second class is 25～45% potassium hydroxide solutions.The discharge voltage of made battery is greater than 1.5V, and specific energy reaches more than the 40Wh/kg, and specific power reaches more than the 2000W/kg.
The negative pole of battery described in the utility model can be carbonaceous mesophase spherules, modified natural graphite, hard carbon, carbon nano-tube, carbon nano-fiber, or lithium metal, sodium metal, magnesium metal, zinc, cadmium, metal alloy, Li
4Ti
5O
12(lithium titanate), carbon-metal composite material.Just very cobalt acid lithium, cobalt nickel LiMn2O4, LiMn2O4, LiFePO 4 can take off/compound of embedding lithium ion or other oxide, sulfide, hydroxide.The manufacturing of electrode can be to be coated with method for making, also can be sintering process.
This battery has higher specific energy and specific power, have the life-span long, cost is low, characteristics such as non-maintaining.
Description of drawings
Fig. 1 cathode pole piece applies schematic diagram
2. the side of the uncoated negative material of negative current collector, 3. negative material, 4. negative pole,
Fig. 2 anode pole piece applies schematic diagram
7. anodal, 8. positive electrode, the 9. side of the uncoated positive electrode of plus plate current-collecting body.
The full lug rectangular cell of Fig. 3 schematic diagram
1. cathode conductive film, the 2. side of the uncoated negative material of negative current collector, 3. negative material, 4. negative pole, 5. barrier film,
6. shell, 7. positive pole, 8. positive electrode, the 9. side of the uncoated positive electrode of plus plate current-collecting body, 10. cathode conductive film.
Embodiment
, PVDF black carbonaceous mesophase spherules, conductive acetylene is mixed and made into slurry by a certain percentage, be coated on the negative current collector Copper Foil, operation such as drying, roll-in is made thick 140 μ m, wide 100mm, the negative pole of long 190mm (the 15mm side of uncoated slurry is made lug); LiFePO 4, Super P, KS6, PVDF are mixed and made into slurry by a certain percentage, be coated on the plus plate current-collecting body aluminium foil, operation such as drying, roll-in is made thick 160 μ m, wide 100mm, the positive pole of long 190mm (the 15mm side of uncoated slurry is made lug), the order of complying with positive pole, barrier film, negative pole builds up electric core, and the Copper Foil of uncoated electrode material, aluminium foil side are welded on conducting ring or the conducting strip, the battery container of packing into adds 1.0M LiPF
6/ PC+EC+DEC electrolyte is assembled into rectangular cell.The battery specific energy reaches 70Wh/kg, and specific power reaches 3100W/kg.
Claims (4)
1. full lug drainage rectangular cell, it is characterized in that the side (9) of the uncoated positive electrode of plus plate current-collecting body (8) and the side (2) of the uncoated negative material of negative current collector (3) all are welded on respectively on the both positive and negative polarity conductive pole as lug, conducting strip (1,10) on, on the conducting ring or on the shell (6), lithium metal, sodium metal, magnesium metal, zinc, cadmium, metal alloy, material with carbon element, lithium titanate or carbon-metal composite material are made negative pole (4), cobalt acid lithium, cobalt nickel LiMn2O4, LiMn2O4 or LiFePO 4 are done anodal (7), the two sides of each negative pole (4) and anodal (7) is close to one can be by the insulation diaphragm (5) of ion, by anodal (7), barrier film (5), the order lamination of negative pole (4), constitute battery, electrolyte is sealed within the battery with shell (6).
2. according to the described full lug drainage rectangular cell of claim 1, the side (9) that it is characterized in that the uncoated positive electrode of plus plate current-collecting body, its one or both sides all as lug be welded on the anodal conductive pole, conducting strip (10) is gone up, on the conducting ring or on the shell (6).
3. according to the described full lug drainage rectangular cell of claim 1, the side (2) that it is characterized in that the uncoated negative material of negative current collector, its one or both sides all as lug be welded on the negative pole conductive pole, conducting strip (1) is gone up, on the conducting ring or on the shell (6).
4. according to the described full lug drainage rectangular cell of claim 1, it is characterized in that the material with carbon element as negative pole (4) is carbonaceous mesophase spherules, modified natural graphite, hard carbon, carbon nano-tube or carbon nano-fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202628027U CN201868499U (en) | 2010-07-19 | 2010-07-19 | Full-lug drainage square battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202628027U CN201868499U (en) | 2010-07-19 | 2010-07-19 | Full-lug drainage square battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201868499U true CN201868499U (en) | 2011-06-15 |
Family
ID=44139645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202628027U Expired - Fee Related CN201868499U (en) | 2010-07-19 | 2010-07-19 | Full-lug drainage square battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201868499U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084372A1 (en) * | 2015-11-19 | 2017-05-26 | 广州道动新能源有限公司 | New-generation dual-electrolyte zinc secondary battery |
| CN112186269A (en) * | 2019-07-02 | 2021-01-05 | 北京好风光储能技术有限公司 | Electric core of lithium slurry battery |
-
2010
- 2010-07-19 CN CN2010202628027U patent/CN201868499U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017084372A1 (en) * | 2015-11-19 | 2017-05-26 | 广州道动新能源有限公司 | New-generation dual-electrolyte zinc secondary battery |
| CN112186269A (en) * | 2019-07-02 | 2021-01-05 | 北京好风光储能技术有限公司 | Electric core of lithium slurry battery |
| CN112186269B (en) * | 2019-07-02 | 2022-02-22 | 北京好风光储能技术有限公司 | Electric core of lithium slurry battery |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20170719 |