CN105552275B - A kind of buckle type rechargeable lithium ion battery - Google Patents
A kind of buckle type rechargeable lithium ion battery Download PDFInfo
- Publication number
- CN105552275B CN105552275B CN201610107246.8A CN201610107246A CN105552275B CN 105552275 B CN105552275 B CN 105552275B CN 201610107246 A CN201610107246 A CN 201610107246A CN 105552275 B CN105552275 B CN 105552275B
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- blank
- copper foil
- diaphragm
- lithium ion
- positive cover
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
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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
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Secondary Cells (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The invention discloses a kind of buckle type rechargeable lithium ion batteries, including positive cover and corresponding negative electrode casing, it is battery compartment between the positive cover and negative electrode casing, safety valve is equipped on the top of the positive cover, battery core is equipped in the battery compartment, the battery core includes positive plate, negative plate and diaphragm.A kind of Structure Designing of Relief Valve of buckle type rechargeable electrodes of lithium-ion batteries battery of the present invention of the present invention is:It on anode aluminium lid, is molded, configuration design in actual use can be "+" shape, and safety valve thickness is 0.02~0.05mm, and pressure resistance is 3~5kg/cm2.Not only safety valve is had devised, but also the mark action of anode can be played.
Description
Technical field
The present invention relates to field of lithium ion battery, especially a kind of buckle type rechargeable lithium ion battery.
Background technology
Lithium ion battery is divided into following type:Square or cylindrical polymer lithium ion battery, cylindrical steel shell or aluminum hull lithium
Ion battery, shell with square aluminum or lithium-ion battery with steel shell etc. are widely used in mobile phone, computer, bluetooth equipment, electronic vapour
The fields such as vehicle, stand-by power supply.
Bluetooth equipment includes bluetooth headset, intelligence wearing product, Bluetooth audio device etc., quickly grows in recent years, particularly intelligence
Product can be dressed, can be carried, with mobile phone by bluetooth connection, can realize biological information, call, body-building, positioning etc.
Function.Product design is typically watch style, small, ultra-thin shape, based on square or circle.Above-mentioned lithium ion battery product should
For thin type intelligently wearing product when, ask there are the battery space volume inside the shaped volumes and equipment of battery is unmatched
Topic.
Invention content
For the defects of existing technology, a kind of buckle type rechargeable lithium ion battery is provided.
The present invention is realized by following proposal:
A kind of buckle type rechargeable lithium ion battery, including positive cover and corresponding negative electrode casing, the positive cover is with bearing
It is battery compartment between the shell of pole, safety valve is equipped on the top of the positive cover, battery core, the electricity is equipped in the battery compartment
Core includes positive plate, negative plate and diaphragm;
The positive plate includes a blank aluminium foil and multiple anode major ingredients, and the blank aluminium foil and multiple anode major ingredients are equal
For disc-shaped structure, the blank aluminium foil and multiple anode major ingredients pass sequentially through base material aluminium foil and correspond to head and the tail connection, the blank
Aluminium foil is arranged on the outermost end of positive plate wherein side;
The negative plate includes blank copper foil and multiple cathode major ingredients, and blank copper foil and multiple cathode major ingredients are disc-shaped
Structure, the blank copper foil and multiple cathode major ingredients pass sequentially through base material copper foil and correspond to head and the tail connection, the blank copper foil setting
Outermost end in negative plate wherein side;
The diaphragm includes multiple diaphragm materials and diaphragm material itself, passes through diaphragm sheet between the multiple diaphragm material
Stature material corresponds to head and the tail and connects, and the multiple diaphragm material is disc-shaped structure;
The battery core is according to blank copper foil, the internal sequence correspondence superposition up and down for repeating superpositing unit, blank aluminium foil;
The internal superpositing unit that repeats includes the anode major ingredient, the cathode major ingredient that are superimposed with the repetition of lower structure;
Diaphragm material is equipped between the blank copper foil, blank aluminium foil and multiple anode major ingredients, cathode major ingredient;
The blank aluminium foil is correspondingly connected with positive cover, is welded with aluminum strip between the blank aluminium foil and positive cover, institute
It states blank copper foil to be correspondingly connected with negative electrode casing, nickel bar is welded between the blank copper foil and negative electrode casing.
The thickness of the safety valve is 0.02~0.05mm, and pressure resistance is 3~5kg/cm2。
The anode major ingredient is cobalt acid lithium, cobalt nickel ion doped, LiFePO 4 or their mixture.
The cathode major ingredient is Delanium, native graphite or their mixture or lithium titanate.
The positive cover is aluminium, and polypropylene, polyethylene or their mixing are surrounded by the aluminium lid positive cover
Object.
The negative electrode casing is stainless steel cylinder structure.
Beneficial effects of the present invention are:
1. a kind of planform of buckle type rechargeable electrodes of lithium-ion batteries of the present invention:With conventional roll around, stacked lithium from
Sub- battery is entirely different, traditional takeup type electrodes of lithium-ion batteries be long square bar, traditional laminated lithium ion battery pole piece shape
To be rectangular, each on piece has collector, is kept completely separate between piece and piece.The positive plate of the present invention and the shape of negative plate are multilayer
Disk, and per a piece of all be connection, outermost be blank aluminium foil and blank copper foil;The shape of diaphragm:Conventional lithium ion
Battery, lamination are still wound, rectangular or round, and diaphragm is all rectangular.The membrane shape of the present invention and pole
Plate shape is the same, is all the disk of multilayer, and is all connection per a piece of.
2. a kind of Structure Designing of Relief Valve of buckle type rechargeable electrodes of lithium-ion batteries battery of the present invention of the present invention is:Just
On the aluminium lid of pole, be molded, configuration design in actual use can be "+" shape, safety valve thickness for 0.02~
0.05mm, pressure resistance are 3~5kg/cm2.Not only safety valve is had devised, but also the mark action of anode can be played.
Description of the drawings
Fig. 1 is a kind of appearance schematic diagram of buckle type rechargeable lithium ion battery of the present invention;
Fig. 2 is a kind of cell lamination schematic diagram of buckle type rechargeable lithium ion battery of the present invention;
In figure:1 is positive cover, and 2 be negative electrode casing, and 3 be safety valve, and 4 be positive plate, and 41 be blank aluminium foil, and 42 be anode master
Material, 43 be base material aluminium foil, and 5 be negative plate, and 51 be blank copper foil, and 52 be cathode major ingredient, and 53 be base material copper foil, and 6 be diaphragm, and 61 are
Diaphragm material, 62 be diaphragm material itself.
Specific embodiment
The preferred embodiment of the invention is further illustrated with reference to Fig. 1-2:
A kind of buckle type rechargeable lithium ion battery, including positive cover 1 and corresponding negative electrode casing 2, the positive cover 1 with
It is battery compartment between negative electrode casing 2, safety valve 3 is equipped on the top of the positive cover 1, battery core is equipped in the battery compartment,
The battery core includes positive plate 4, negative plate 5 and diaphragm 6;It on anode aluminium lid, is molded, in actual use shape
Design can be "+" shape, and safety valve thickness is 0.02~0.05mm, and pressure resistance is 3~5kg/cm2.Not only safety valve is had devised, but also
The mark action of anode can be played.
The positive plate 4 include a blank aluminium foil 41 and multiple anode major ingredients 42, the blank aluminium foil 41 and it is multiple just
Pole major ingredient 42 is disc-shaped structure, and the blank aluminium foil 41 and multiple anode major ingredients 42 pass sequentially through base material aluminium foil 43 and correspond to head
Tail connects, and the blank aluminium foil 41 is arranged on the outermost end of the wherein side of positive plate 4;
The negative plate 5 includes blank copper foil 51 and multiple cathode major ingredients 52, blank copper foil 51 and multiple cathode major ingredients 52
It is disc-shaped structure, the blank copper foil 51 and multiple cathode major ingredients 52 pass sequentially through base material copper foil 53 and correspond to head and the tail connection,
The blank copper foil 51 is arranged on the outermost end of the wherein side of negative plate 5;
The diaphragm 6 includes multiple diaphragm materials 61 and diaphragm itself material 62, leads between the multiple diaphragm material 61
It crosses diaphragm itself material 62 and corresponds to head and the tail connection, the multiple diaphragm material 61 is disc-shaped structure;
The battery core is according to blank copper foil 51, the internal sequence correspondence superposition up and down for repeating superpositing unit, blank aluminium foil 41;
The internal superpositing unit that repeats includes the anode major ingredient 42, the cathode major ingredient 52 that are superimposed with the repetition of lower structure;
Diaphragm is equipped between the blank copper foil 51, blank aluminium foil 41 and multiple anode major ingredients 42, cathode major ingredient 52
Material 61;
The blank aluminium foil 41 is correspondingly connected with positive cover 1, and aluminium is welded between the blank aluminium foil 41 and positive cover 1
Item, the blank copper foil 51 are correspondingly connected with negative electrode casing 2, and nickel bar is welded between the blank copper foil 51 and negative electrode casing 2.This
Invent a kind of planform of buckle type rechargeable electrodes of lithium-ion batteries:With conventional roll around, stack type lithium ion battery completely not
Together, traditional takeup type electrodes of lithium-ion batteries is long square bar, and traditional laminated lithium ion battery pole piece shape is rectangular, per a piece of
On have collector, be kept completely separate between piece and piece.The positive plate of the present invention and the disk that the shape of negative plate is multilayer, and it is each
All it is connection between piece, outermost is blank aluminium foil and blank copper foil;The shape of diaphragm:Conventional lithium ion battery, no matter lamination
Or it winds, rectangular or round, diaphragm is all rectangular.The membrane shape of the present invention is as pole piece shape, all
It is the disk of multilayer, and is all connection per a piece of.
The thickness of the safety valve 3 is 0.02~0.05mm, and pressure resistance is 3~5kg/cm2.The anode major ingredient 42 is cobalt acid
Lithium, cobalt nickel ion doped, LiFePO 4 or their mixture.The cathode major ingredient 52 for Delanium, native graphite or it
Mixture or lithium titanate.The positive cover 1 is aluminium, and polypropylene, polyethylene are surrounded by the aluminium lid positive cover 1
Or their mixture.The negative electrode casing 2 is stainless steel cylinder structure.
By each positive/negative plate, a piece of diaphragm by way of stacking, by anode-diaphragm-cathode-diaphragm-anode-every
The order lamination of film ... ... ultimately forms a battery core, and one shows out positive pole aluminium foil, above solderable aluminum strip, it is another
Show out negative copper foil, above solderable nickel bar or copper bar;In actual production will also by drying, fluid injection, box cover, sealing,
Realize the assembling of battery.It is melted by traditional handicraft, partial volume, detects the capacity of battery and other electrical properties, complete the making of battery.
The buttons secondary lithium batteries such as 2032,1620 are made by the above-mentioned technique similarly designed, wherein 2032 designs
Into 3.85V high-voltage batteries, battery performance parameter is as shown in table 1.
1 battery performance parameter table of table
The said goods pass through the safety detections such as overcharge, short circuit, overdischarge, needle thorn, hot abuse, extruding, heavy impact, no
It explodes, is missing of ignition.The present embodiment product capacity is high, and temperature performance is good, and safety is good, long lifespan.
Although more detailed elaboration is done to technical scheme of the present invention and has been enumerated, it should be understood that for ability
For field technique personnel, modification is made to above-described embodiment or uses equivalent alternative solution, this is to those skilled in the art
It is it is clear that these modifications or improvements without departing from theon the basis of the spirit of the present invention, belong to the present invention for member
Claimed range.
Claims (5)
1. a kind of buckle type rechargeable lithium ion battery, including positive cover (1) and corresponding negative electrode casing (2), the positive cover
(1) it is battery compartment between negative electrode casing (2), it is characterised in that:Safety valve (3) is equipped on the top of the positive cover (1),
The battery compartment is equipped with battery core, and the battery core includes positive plate (4), negative plate (5) and diaphragm (6);
The positive plate (4) includes a blank aluminium foil (41) and multiple anode major ingredients (42), the blank aluminium foil (41) and more
A anode major ingredient (42) is disc-shaped structure, and the blank aluminium foil (41) and multiple anode major ingredients (42) pass sequentially through base material aluminium
The corresponding head and the tail of foil (43) connect, and the blank aluminium foil (41) is arranged on the outermost end of positive plate (4) wherein side;
The negative plate (5) includes blank copper foil (51) and multiple cathode major ingredients (52), blank copper foil (51) and multiple cathode masters
Expect that (52) are disc-shaped structure, it is right that the blank copper foil (51) and multiple cathode major ingredients (52) pass sequentially through base material copper foil (53)
It should connect from beginning to end, the blank copper foil (51) is arranged on the outermost end of negative plate (5) wherein side;
The diaphragm (6) includes multiple diaphragm materials (61) and diaphragm itself material (62), the multiple diaphragm material (61) it
Between connected by the corresponding head and the tail of diaphragm material (62) itself, the multiple diaphragm material (61) is disc-shaped structure;
The battery core is according to blank copper foil (51), the internal sequence correspondence superposition up and down for repeating superpositing unit, blank aluminium foil (41);
The internal superpositing unit that repeats includes the anode major ingredient (42), the cathode major ingredient (52) that are superimposed with the repetition of lower structure;
It is equipped between (52) in the blank copper foil (51), blank aluminium foil (41) and multiple anode major ingredients (42), cathode major ingredient
Diaphragm material (61);
The blank aluminium foil (41) is correspondingly connected with positive cover (1), is welded between the blank aluminium foil (41) and positive cover (1)
There is aluminum strip, the blank copper foil (51) is correspondingly connected with negative electrode casing (2), between the blank copper foil (51) and negative electrode casing (2)
It is welded with nickel bar;
The thickness of the safety valve (3) is 0.02~0.05mm, and pressure resistance is 3~5kg/cm2。
2. a kind of buckle type rechargeable lithium ion battery according to claim 1, it is characterised in that:The anode major ingredient (42)
For cobalt acid lithium, cobalt nickel ion doped, LiFePO 4 or their mixture.
3. a kind of buckle type rechargeable lithium ion battery according to claim 1, it is characterised in that:The cathode major ingredient (52)
For Delanium, native graphite or their mixture or lithium titanate.
4. a kind of buckle type rechargeable lithium ion battery according to claim 1, it is characterised in that:The positive cover (1) is
Aluminium is surrounded by polypropylene, polyethylene or their mixture in the positive cover (1).
5. a kind of buckle type rechargeable lithium ion battery according to claim 1, it is characterised in that:The negative electrode casing (2) is
Stainless steel cylinder structure.
Priority Applications (1)
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CN201610107246.8A CN105552275B (en) | 2016-02-26 | 2016-02-26 | A kind of buckle type rechargeable lithium ion battery |
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CN201610107246.8A CN105552275B (en) | 2016-02-26 | 2016-02-26 | A kind of buckle type rechargeable lithium ion battery |
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CN105552275A CN105552275A (en) | 2016-05-04 |
CN105552275B true CN105552275B (en) | 2018-06-12 |
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Families Citing this family (4)
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CN106129274A (en) * | 2016-07-15 | 2016-11-16 | 重庆市紫建电子有限公司 | A kind of fastening lithium ionic cell |
CN106784991A (en) * | 2016-12-23 | 2017-05-31 | 深圳拓邦新能源技术有限公司 | Secondary button type lithium battery, folding type battery cell and manufacturing method thereof |
CN106601960B (en) * | 2016-12-30 | 2023-10-13 | 重庆市紫建电子有限公司 | Button cell and manufacturing method thereof |
CN107611312A (en) * | 2017-10-25 | 2018-01-19 | 深圳市能锐创新科技有限公司 | New fastening lithium ionic cell |
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CN1532985A (en) * | 2003-03-21 | 2004-09-29 | �����ι�˾ | Button cell type electrochemical element and method for producing electrochemical element |
CN1178325C (en) * | 1998-12-14 | 2004-12-01 | 瓦尔达微电池有限责任公司 | Button-shaped storage battery |
CN202839810U (en) * | 2012-10-11 | 2013-03-27 | 常州达立电池有限公司 | Button lithium battery with high temperature resistant diaphragm |
CN104253286A (en) * | 2013-06-26 | 2014-12-31 | 东莞市振华新能源科技有限公司 | Manufacturing method of high-energy-density button lithium ion battery |
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CN1178325A (en) * | 1996-09-27 | 1998-04-08 | 尤尼利弗公司 | Test kits and devices |
KR102214834B1 (en) * | 2014-07-29 | 2021-02-10 | 삼성전자주식회사 | In-situ coin cell for X-ray analysis and method of manufacturing the same and method of analyzing the same using X-ray |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN1178325C (en) * | 1998-12-14 | 2004-12-01 | 瓦尔达微电池有限责任公司 | Button-shaped storage battery |
CN1532985A (en) * | 2003-03-21 | 2004-09-29 | �����ι�˾ | Button cell type electrochemical element and method for producing electrochemical element |
CN202839810U (en) * | 2012-10-11 | 2013-03-27 | 常州达立电池有限公司 | Button lithium battery with high temperature resistant diaphragm |
CN104253286A (en) * | 2013-06-26 | 2014-12-31 | 东莞市振华新能源科技有限公司 | Manufacturing method of high-energy-density button lithium ion battery |
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Address after: 404100 Chongqing city Wanzhou District Kaixian Zhao Industrial Park Co-patentee after: SHENZHEN VDL ELECTRONICS Co.,Ltd. Patentee after: Chongqing Zijian Electronic Co., Ltd Address before: 404100 Chongqing city Wanzhou District Kaixian Zhao Industrial Park Co-patentee before: SHENZHEN VDL ELECTRONICS Co.,Ltd. Patentee before: CHONGQING VDL ELECTRONICS Co.,Ltd. |