CN202196821U - Composite positive tab of power lithium battery - Google Patents

Composite positive tab of power lithium battery Download PDF

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Publication number
CN202196821U
CN202196821U CN2011203022292U CN201120302229U CN202196821U CN 202196821 U CN202196821 U CN 202196821U CN 2011203022292 U CN2011203022292 U CN 2011203022292U CN 201120302229 U CN201120302229 U CN 201120302229U CN 202196821 U CN202196821 U CN 202196821U
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CN
China
Prior art keywords
aluminium strip
lithium
lug
lithium battery
composite
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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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CN2011203022292U
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Chinese (zh)
Inventor
刘新利
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Hunan Aode Mai Energy LLC
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Individual
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Priority to CN2011203022292U priority Critical patent/CN202196821U/en
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Publication of CN202196821U publication Critical patent/CN202196821U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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Abstract

The utility model belongs to the field of lithium ion batteries, and particularly relates to a composite positive tab of a power lithium battery. The composite positive tab takes an aluminium strip received surface chemical treatment as a base body layer, and is characterized in that a nickel-phosphorus composite layer or a nickel-tin composite layer is formed on the surface of the aluminium strip at the 10 millimetre part at the front end of the aluminium strip through chemical plating, a heat-sealed insulating tape is hot-pressed on the aluminium strip after the composite layer is adopted to form tab gelatin, and the aluminium strip is also arranged at the other end of the tab. The composite positive tab has favorable conductibility, heat-seal insulativity, bending resistance, and weldability, improves the safety of the lithium-ion traction battery, reduces the internal resistance of the lithium-ion traction battery, prolongs the service life of the lithium-ion traction battery, improves the production efficiency of the lithium battery, and lowers production cost.

Description

A kind of anode composite lug of dynamic lithium battery
Technical field
The utility model belongs to the lithium ion battery field, is specifically related to a kind of anode composite lug of dynamic lithium battery.
Background technology
Dynamic lithium battery is exactly a lithium ion battery, be can large current charge the lithium battery of discharge, general Capacity Ratio is bigger.Lithium ion battery belongs to the secondary cell in the chemical cell.Lithium secondary battery is the green energy resource that the 1990's new development is got up; It also is the new high-tech industry that China's energy field emphasis is supported; With excellent properties such as its high reversible capacity, high voltage, high cycle performance and high-energy-densities and enjoy common people to favor, be called as the leading power supply in 20th century, its application constantly enlarges; At present by 3C market (Consullle, COpe.D Communicabo) be extended to 4THC CORDLESST00LS, assaulting to Battery Market rapidly in wireless instrument market, has much the gesture of solely looking steadily the world, and the output value also reaches more than 30 hundred million dollars.At present, the lithium ion battery on the market divides from its packing aspect and can be divided into the hard pack battery of stainless steel or aluminum hull and the flexible-packed battery of packing with aluminum composite.Aspect fail safe and energy density, flexible-packed battery has more advantage than hard pack battery.But, in the film-making technology of flexible packing lithium ion battery positive plate, because present positive plate all is as anode ear at the ultra weldering of the end of pole piece aluminium strip; Because of the puzzlement that can not weldering property brings of aluminium strip, industry proposed some solve aluminium strips can not weldering property problem method, as adopting the laser beam perforation welding or adopt bonding method; For example application number is that 200510122316.9 patent is said; An end and a non-aluminum metal at aluminium strip are overlapping, and the composite hot melt material at stacked place connects as one aluminium strip and said non-aluminum metal bar; But because superimposed place can produce certain contact internal resistance; And have only the one side of aluminium strip to contact, thereby increased the internal resistance of cell, reduced the discharge performance of battery with non-aluminum metal bar; And in process of production, need manual work that the aluminium strip lug is glued non-aluminum metal film and handle, increased the cost of labor of battery production; In addition,, also influenced the product quality and the rate of finished products of battery, caused the increase of product cost because bonded adhesives is aging or bonding non-aluminum metal film work of treatment not in place.
Summary of the invention
The purpose of the utility model is to the above-mentioned defective that exists in the prior art, provides a kind of and can reduce the internal resistance of cell, improves the anode composite lug of follow-on dynamic lithium battery in lithium battery useful life.
The utility model is to realize above-mentioned purpose through following technical scheme: the anode composite lug of this dynamic lithium battery; Be a kind of be the positive pole ear of base layer with the aluminium strip that has carried out chemical surface treatment; Be characterized in: on the aluminium strip surface of 10 millimeters parts of aluminium strip front end; Be formed with one deck nickel phosphorus composite bed or nickel tin composite bed through chemical plating, on the aluminium strip behind the composite bed, be formed with lug glue through thermosealed insulating tape hot pressing, the other end of lug is an aluminium strip.
More particularly, the thickness of said aluminium strip is the 0.1-0.2 millimeter.
The thickness of said nickel phosphorus composite bed or nickel tin composite bed is 5-20um.
The thickness of said lug glue is 0.01-0.5mm, and width is 3-12mm.
The utility model is owing to adopt the method for chemical plating to form the non-aluminum metal composite bed of one deck; And the lug glue that is provided with the heat seal insulation, thereby have good electrical conductivity, heat seal insulating properties, fold resistance and weldability, the fail safe that has improved lithium-ion-power cell; Reduced the internal resistance of lithium-ion-power cell; Improve the useful life of lithium-ion-power cell, also improved the production efficiency of lithium battery simultaneously, reduced production cost.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further to describe.
Referring to Fig. 1; In the present embodiment; Be the aluminium strip surface of 10 millimeters parts of front end of 0.15 millimeter aluminium strip 1 at the thickness that has carried out chemical surface treatment, be formed with nickel phosphorus composite bed or the nickel tin composite bed 2 that a layer thickness is 15um, on the aluminium strip behind the composite bed 21, be formed with lug glue 3 through thermosealed insulating tape hot pressing through chemical plating; The thickness of lug glue 3 is 0.2mm, and width is 8mm.The other end of lug then is an aluminium strip.
The foregoing description is the preferred embodiment of the utility model; The thickness of said aluminium strip 1 can change in the scope of 0.1-0.2 millimeter; The thickness of said nickel phosphorus composite bed or nickel tin composite bed 2 can change in the scope of 5-20um, and the thickness of said lug glue can be in the 0.01-0.5mm scope, width can change in the scope of 3-12mm.The conversion of the similar or technical characterictic that is equal to that every design concept that does not break away from the utility model has been done all belongs to the category of the technical scheme of the utility model.

Claims (4)

1. the anode composite lug of a dynamic lithium battery; Be a kind of be the positive pole ear of base layer with the aluminium strip that has carried out chemical surface treatment; It is characterized in that: on the aluminium strip surface of 10 millimeters parts of aluminium strip front end; Be formed with one deck nickel phosphorus composite bed or nickel tin composite bed through chemical plating, on the aluminium strip behind the composite bed, be formed with lug glue through thermosealed insulating tape hot pressing, the other end of lug is an aluminium strip.
2. the anode composite lug of dynamic lithium battery according to claim 1, it is characterized in that: the thickness of said aluminium strip is the 0.1-0.2 millimeter.
3. the anode composite lug of dynamic lithium battery according to claim 1 and 2, it is characterized in that: the thickness of said nickel phosphorus composite bed or nickel tin composite bed is 5-20um.
4. the anode composite lug of dynamic lithium battery according to claim 3, it is characterized in that: the thickness of said lug glue is 0.01-0.5mm, width is 3-12mm.
CN2011203022292U 2011-08-18 2011-08-18 Composite positive tab of power lithium battery Expired - Fee Related CN202196821U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203022292U CN202196821U (en) 2011-08-18 2011-08-18 Composite positive tab of power lithium battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203022292U CN202196821U (en) 2011-08-18 2011-08-18 Composite positive tab of power lithium battery

Publications (1)

Publication Number Publication Date
CN202196821U true CN202196821U (en) 2012-04-18

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Family Applications (1)

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CN2011203022292U Expired - Fee Related CN202196821U (en) 2011-08-18 2011-08-18 Composite positive tab of power lithium battery

Country Status (1)

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CN (1) CN202196821U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102610779A (en) * 2012-02-07 2012-07-25 范能文 Anode tab, soft packing lithium ion battery and method for manufacturing anode tab
CN105006544A (en) * 2015-07-20 2015-10-28 无锡市百事杰金属制品科技有限公司 Aluminum-to-nickel-free continuous disc type anode tab for lithium ion battery
CN108123090A (en) * 2016-11-30 2018-06-05 宝山钢铁股份有限公司 A kind of outer lug and its battery with protection
CN114597495A (en) * 2022-03-21 2022-06-07 珠海冠宇电池股份有限公司 Battery and electronic equipment

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102610779A (en) * 2012-02-07 2012-07-25 范能文 Anode tab, soft packing lithium ion battery and method for manufacturing anode tab
CN105006544A (en) * 2015-07-20 2015-10-28 无锡市百事杰金属制品科技有限公司 Aluminum-to-nickel-free continuous disc type anode tab for lithium ion battery
CN108123090A (en) * 2016-11-30 2018-06-05 宝山钢铁股份有限公司 A kind of outer lug and its battery with protection
CN114597495A (en) * 2022-03-21 2022-06-07 珠海冠宇电池股份有限公司 Battery and electronic equipment
WO2023179475A1 (en) * 2022-03-21 2023-09-28 珠海冠宇电池股份有限公司 Battery and electronic device

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: HUNAN ADMAI ENERGY LLC

Free format text: FORMER OWNER: LIU XINLI

Effective date: 20130826

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 411104 XIANGTAN, HUNAN PROVINCE TO: 410205 CHANGSHA, HUNAN PROVINCE

TR01 Transfer of patent right

Effective date of registration: 20130826

Address after: The base building in Hunan province Changsha wealth into 410205 City Lugu high tech Zone Lu Jing Road No. 2 Changsha building on the west side of the four scientific and technological achievements

Patentee after: Hunan Aode Mai energy limited liability company

Address before: 411104, Hunan, Xiangtan hi tech Zone Torch Innovation Park two on the third floor

Patentee before: Liu Xinli

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120418

Termination date: 20150818

EXPY Termination of patent right or utility model