CN105655534B - A kind of coiling lithium one-shot battery negative pole structure - Google Patents
A kind of coiling lithium one-shot battery negative pole structure Download PDFInfo
- Publication number
- CN105655534B CN105655534B CN201511031618.5A CN201511031618A CN105655534B CN 105655534 B CN105655534 B CN 105655534B CN 201511031618 A CN201511031618 A CN 201511031618A CN 105655534 B CN105655534 B CN 105655534B
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- Prior art keywords
- lithium
- lug
- band
- item
- negative pole
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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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/531—Electrode connections inside a battery casing
- H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
-
- 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
- H01M4/06—Electrodes for primary cells
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Primary Cells (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of coiling lithium one-shot battery negative pole structures, are related to lithium primary battery technical field, including lug and lithium band；It is characterized in that：It further include lithium item；The width of the lithium item is N times of lug width；4<N<5；Winding forms lithium primary battery negative pole structure after the lithium item, lug, lithium band are sequentially overlapped；Wherein, lithium band is located at outside；The lithium item is identical with the thickness of lug.When battery discharge, it is two-sided at lug to have lithium band, lithium metal thickness doubles, therefore the lithium band when other positions lithium band consumes thinning almost fracture at lug still has 100% redundancy, therefore still there is certain thickness, afflux effect can be effectively played to prevent lug and lithium are with pressure from connecing edge fracture；Using the method that lithium band thickens at lug, any influence is not generated to discharge process, exoelectrical reaction is more uniform, it is therefore prevented that local reaction excessively caused by lithium band be broken.
Description
Technical field
The present invention relates to lithium primary battery technical fields, more particularly to a kind of coiling lithium one-shot battery negative pole structure.
Background technology
Using the lithium primary battery of takeup type structure, core strueture is by one layer of anode, one layer of diaphragm, one layer of cathode
It is wound after (metal lithium bands) superposition, sees Fig. 1.In battery discharge procedure, lithium metal is made again while as collector
Lithium ion is oxidized to for cathode to react to be consumed with anode.Therefore phase after discharge, the thinning easy production because of consumption of lithium band
Raw fracture causes afflux interruption to cause positive electrode capacity that cannot play completely, and is usually first happened at negative electrode lug and lithium edge fit edge with pressure
Place.
Invention content
The technical problem to be solved by the present invention is to：A kind of coiling lithium one-shot battery negative pole structure is provided.The coiling lithium
One-shot battery negative pole structure solves in discharge process that positive electrode capacity cannot play completely caused by lithium band is broken
Problem.
The present invention is adopted the technical scheme that solve technical problem present in known technology：
A kind of coiling lithium one-shot battery negative pole structure, including lug (3) and lithium band (1)；It is characterized in that：It further include lithium
Item (2)；The width of the lithium item (2) is N times of lug (3) width；4<N<5；The lithium item (2), lug (3), lithium band (1) according to
Winding forms lithium primary battery negative pole structure after secondary superposition；Wherein, lithium band (1) is located at outside；The lithium item (2) and lug (3)
Thickness it is identical.
The invention has the advantages and positive effects that：
1, two-sided at lug to there is lithium band, lithium metal thickness to double when battery discharge, therefore work as other positions lithium band
Lithium band when consuming thinning almost fracture at lug still has 100% redundancy, therefore still has certain thickness, can effectively play collection
Stream effect is to prevent lug and lithium are with pressure from connecing edge fracture.
2, using the method that lithium band thickens at lug, any influence is not generated to discharge process, exoelectrical reaction is more uniform,
Prevent local reaction excessively and caused by lithium band be broken.
3, lithium band in part is thickened on battery winding almost without influence at lug, will not change battery core size to change electricity
Pond design parameter.
Description of the drawings：
Fig. 1 is the structural schematic diagram of traditional takeup type lithium primary battery；
Fig. 2 is the structural schematic diagram of the preferred embodiment of the present invention；
Fig. 3 is the discharge test Structure Comparison figure of the preferred embodiment of the present invention and traditional structure.
In figure, 1, lithium band；2, lithium item；3, lug.
Specific implementation mode
In order to further understand the content, features and effects of the present invention, the following examples are hereby given, and coordinate attached drawing
Detailed description are as follows：
Referring to Fig. 2, a kind of coiling lithium one-shot battery negative pole structure, including lithium band 1, lithium item 2, lug 3；The lithium item
2 width is N times of 3 width of lug；4<N<5；Winding is once electric into lithium after the lithium item 2, lug 3, lithium band 1 are sequentially overlapped
Pond negative pole structure, i.e. crimping lithium 2- lug 3- lithiums band 1 using similar sandwich structure；Wherein, lithium band 1 is located at outer
Side；The lithium item 2 is identical with the thickness of lug 3.
As shown in figure 3, solid line is the battery discharge curve using negative pole structure of the present invention, dotted line be due to lug at
Lithium band is depleted and the battery discharge curve of phenomenon of rupture occurs, and battery using the present invention can effectively improve positive electrode capacity hair
The phenomenon that waving, the voltage generated by cathode fracture avoided to decline suddenly.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be construed as limiting the practical range of the present invention.Any changes and modifications in accordance with the scope of the present application,
It should all still fall within the scope of the patent of the present invention.
Claims (1)
1. a kind of coiling lithium one-shot battery negative pole structure, including lug (3) and lithium band (1)；It is characterized in that：It further include lithium item
(2)；The lug (3) is located between lithium band (1) and lithium item (2)；Width of the lithium item (2) on coiling direction is lug
(3) N times of width；4<N<5；Winding is negative into lithium primary battery after the lithium item (2), lug (3), lithium band (1) are sequentially overlapped
Pole structure；Wherein, lithium band (1) is located at outside；The lithium item (2) is identical with the thickness of lug (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031618.5A CN105655534B (en) | 2015-12-30 | 2015-12-30 | A kind of coiling lithium one-shot battery negative pole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511031618.5A CN105655534B (en) | 2015-12-30 | 2015-12-30 | A kind of coiling lithium one-shot battery negative pole structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105655534A CN105655534A (en) | 2016-06-08 |
| CN105655534B true CN105655534B (en) | 2018-09-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511031618.5A Active CN105655534B (en) | 2015-12-30 | 2015-12-30 | A kind of coiling lithium one-shot battery negative pole structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN105655534B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681171B (en) * | 2017-09-27 | 2019-06-18 | 惠州市惠德瑞锂电科技股份有限公司 | A kind of lithium primary battery that discharging efficiency is high |
| CN109841788A (en) * | 2017-11-27 | 2019-06-04 | 中国电子科技集团公司第十八研究所 | Laminated lithium primary battery cathode structure |
| CN108198999A (en) * | 2018-02-12 | 2018-06-22 | 宁波超霸能源有限公司 | Lithium battery cathode plate and battery winding product and disposable lithium metal battery |
| CN109346668B (en) * | 2018-10-29 | 2020-12-11 | 广州鹏辉能源科技股份有限公司 | Lithium primary battery negative electrode structure and lithium primary battery |
| CN109546068A (en) * | 2018-10-31 | 2019-03-29 | 贵州梅岭电源有限公司 | A kind of cathode of lithium battery current collecting method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201167108Y (en) * | 2008-01-11 | 2008-12-17 | 天津德克尼斯电子科技有限公司 | Lithium primary cell lithium metal cathode tablet |
| CN201191631Y (en) * | 2008-04-16 | 2009-02-04 | 耀安电池电源科技（深圳）有限公司 | Disposable lithium cell |
| CN202019016U (en) * | 2011-01-30 | 2011-10-26 | 深圳市艾博尔新能源有限公司 | Negative sheet of metal lithium primary battery |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2684384Y (en) * | 2003-11-27 | 2005-03-09 | 武汉孚安特技术有限公司 | Anode of lithium cell |
| JP2007115799A (en) * | 2005-10-19 | 2007-05-10 | Hitachi Aic Inc | Electric double layer capacitor |
| JP2008130734A (en) * | 2006-11-20 | 2008-06-05 | Hitachi Aic Inc | Electric double layer capacitor |
| CN201017936Y (en) * | 2006-12-30 | 2008-02-06 | 天津中能锂业有限公司 | Composite type metal lithium strip |
| CN201387908Y (en) * | 2009-04-03 | 2010-01-20 | 温岭市恒泰电池有限公司 | Rechargeable lithium battery anode |
-
2015
- 2015-12-30 CN CN201511031618.5A patent/CN105655534B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201167108Y (en) * | 2008-01-11 | 2008-12-17 | 天津德克尼斯电子科技有限公司 | Lithium primary cell lithium metal cathode tablet |
| CN201191631Y (en) * | 2008-04-16 | 2009-02-04 | 耀安电池电源科技（深圳）有限公司 | Disposable lithium cell |
| CN202019016U (en) * | 2011-01-30 | 2011-10-26 | 深圳市艾博尔新能源有限公司 | Negative sheet of metal lithium primary battery |
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| Publication number | Publication date |
|---|---|
| CN105655534A (en) | 2016-06-08 |
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