CN108448044A - A kind of lithium battery pole ear, lithium battery and preparation method thereof - Google Patents
A kind of lithium battery pole ear, lithium battery and preparation method thereof Download PDFInfo
- Publication number
- CN108448044A CN108448044A CN201810355604.6A CN201810355604A CN108448044A CN 108448044 A CN108448044 A CN 108448044A CN 201810355604 A CN201810355604 A CN 201810355604A CN 108448044 A CN108448044 A CN 108448044A
- Authority
- CN
- China
- Prior art keywords
- attachment
- lithium battery
- lug
- battery pole
- pole ear
- 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.)
- Pending
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 56
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 55
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 238000001746 injection moulding Methods 0.000 claims description 11
- 238000003466 welding Methods 0.000 claims description 5
- 210000005069 ears Anatomy 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 125000006850 spacer group Chemical group 0.000 description 5
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920000297 Rayon Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- 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
-
- 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
- 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
- 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
- H01M4/139—Processes of manufacture
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a kind of lithium battery pole ears, lithium battery and preparation method thereof, lithium battery pole ear, which is characterized in that including lug ontology and the attachment being arranged on lug ontology, attachment is around being attached on lug ontology or attachment is attached to the wherein side of lug ontology.The lithium battery pole ear, lithium battery and preparation method thereof are easy to implement, and the lithium battery reliability of formation is high, and stabilized structure is not easy short circuit.
Description
Technical field
The present invention relates to a kind of lithium battery pole ears, lithium battery and preparation method thereof.
Background technology
Lithium cell negative electrode lug generally uses nickel strap, and nickel strap thickness general 0.08-0.12mm, width 3-6mm are main to connect
The pole piece of lithium cell and aluminum hull cover board, play conductive effect.
Current traditional lithium battery pole ear production technology is as follows：
Battery cathode ear（Such as Fig. 5）, cathode pole piece is obtained by spot welding, patch high tempreture tape, then by ready-made positive plate+diaphragm+
Negative plate is carried out assembling production by way of winding and obtains battery roll core, and core upper end patch spacer ring is fixed, with fixed to negative electrode lug
Position insulation prevents short circuit occur after subsequently assembling, thus there are apparent problems for its reliability.
In addition, patch spacer ring complex procedures, high labor cost, spacer ring and lug have certain gap, when battery is impacted
When, the poor reliability of insulation occurs the risk of dislocation short circuit.
Therefore, it is necessary to design a kind of new lithium battery pole ear, lithium battery and preparation method thereof.
Invention content
Technical problem to be solved by the invention is to provide a kind of lithium battery pole ear, lithium battery and preparation method thereof, the lithiums
Battery pole ear, lithium battery and preparation method thereof are easy to implement, and the lithium battery reliability of formation is high, and stabilized structure is not easy short circuit.
The technical solution of invention is as follows：
A kind of lithium battery pole ear, including lug ontology and the attachment being arranged on lug ontology, attachment is circular to be attached to pole
On ear ontology or attachment is attached to the wherein side of lug ontology.
The attachment is the first attachment, and the thickness of the first attachment is 0.05-0.1mm.It is preferred that 0.07,0.08,
0.09mm, thickness refer to the thickness of every side.When being prepared using injection molding manner, which is molded thickness.
The attachment is the first attachment, and the length of the first attachment is 5-15mm.
The second attachment is additionally provided on first attachment, the first attachment and the second attachment combine to form a step
Attachment.
The thickness of second attachment is 1.5-5mm.It is preferred that 2,3,4, mm.Thickness refers to the thickness of every side.Using injection molding
When prepared by mode, which is molded thickness.
The length of second attachment is less than the length of the first attachment.Preferably, the both ends of the second attachment have first
Attachment appears, i.e., the second attachment is arranged in the stage casing of the first attachment；Second attachment can also be arranged in the first attachment
The lower end or upper end of part, the second attachment are arranged in the outer ring of the first attachment.
The length of second attachment is 1-10mm.【It is preferred that 2,3,5mm】
A kind of lithium battery, including pole piece, anode ear and negative electrode lug；The negative electrode lug is lithium battery pole ear above-mentioned.
A kind of preparation method of negative plate, the negative electrode lug are lithium battery pole ear above-mentioned；First attachment and second
Attachment is molded on lug using injection molding manner and is obtained.
Can also be first to prepare attachment, which includes the first attachment and the second attachment, then by attachment
It is sleeved on lug, then compresses so that attachment is tightly combined with lug, can also fix attachment by viscose glue mode
On lug.
A kind of preparation method of lithium battery, the lithium battery are lithium battery above-mentioned；Steps are as follows：
Step 1：Prepare negative electrode lug and attachment；
The first attachment and the second attachment are formed by injection molding on negative electrode lug；
Step 2：Coiling forms lithium battery；
Anode ear is welded on pole piece by the negative pole lug welding that step 1 is obtained on negative plate；
It is again that soldered positive plate, diaphragm and negative plate is stacked and around being rolled into battery core.
Advantageous effect：
Lithium battery pole ear, the lithium battery and preparation method thereof of the present invention, the present invention compare traditional scheme, have saved upper spacer ring work
Sequence, and fixed spacer ring rubberizing paper process；Moreover, the method gummed paper of traditional rubberizing paper has a risk to fall off, and the lug of the present invention
Position is secured, and insulation performance is more reliable.
Description of the drawings
Fig. 1 is the general structure schematic diagram of the lithium battery of the present invention；
Fig. 2 is the extreme ear structure schematic diagram for being provided with attachment；
Fig. 3 is I magnified partial views in Fig. 2；
Fig. 4 is battery core coiling schematic diagram；
Fig. 5 is that existing lithium battery prepares schematic diagram.
Label declaration：1- lithium batteries, 2- negative electrode lugs, 3- anode ears, the first attachments of 4-, the second attachments of 5-.6- pole pieces.
Specific implementation mode
The present invention is described in further details below with reference to the drawings and specific embodiments：
Embodiment 1：Such as Fig. 1 ~ 4, a kind of lithium battery pole ear, including lug ontology and the attachment being arranged on lug ontology are attached
Part around being attached on lug ontology or attachment is attached to the wherein side of lug ontology.
The attachment is the first attachment, and the thickness of the first attachment is 0.05-0.1mm.It is preferred that 0.07,0.08,
0.09mm, thickness refer to the thickness of every side.When being prepared using injection molding manner, which is molded thickness.
The attachment is the first attachment, and the length of the first attachment is 5-15mm.
The second attachment is additionally provided on first attachment, the first attachment and the second attachment combine to form a step
Attachment.
The thickness of second attachment is 1.5-5mm.It is preferred that 2,3,4, mm.Thickness refers to the thickness of every side.Using injection molding
When prepared by mode, which is molded thickness.
The length of second attachment is less than the length of the first attachment.Preferably, the both ends of the second attachment have first
Attachment appears, i.e., the second attachment is arranged in the stage casing of the first attachment；Second attachment can also be arranged in the first attachment
The lower end or upper end of part, the second attachment are arranged in the outer ring of the first attachment.
The length of second attachment is 1-10mm.【It is preferred that 2,3,5mm】
A kind of lithium battery, including pole piece, anode ear and negative electrode lug；The negative electrode lug is lithium battery pole ear above-mentioned.
A kind of preparation method of negative plate, the negative electrode lug are lithium battery pole ear above-mentioned；First attachment and second
Attachment is molded on lug using injection molding manner and is obtained.
Can also be first to prepare attachment, which includes the first attachment and the second attachment, then by attachment
It is sleeved on lug, then compresses so that attachment is tightly combined with lug, can also fix attachment by viscose glue mode
On lug.
A kind of preparation method of lithium battery, the lithium battery are lithium battery above-mentioned；Steps are as follows：
Step 1：Prepare negative electrode lug and attachment；
The first attachment and the second attachment are formed by injection molding on negative electrode lug；
Step 2：Coiling forms lithium battery；
Anode ear is welded on pole piece by the negative pole lug welding that step 1 is obtained on negative plate；
It is again that soldered positive plate, diaphragm and negative plate is stacked and around being rolled into battery core.
The attachment of battery cathode ear by injection molding on lug, thin part（That is the first attachment）Exist per side thickness
0.05-0.1mm, thick part（That is the second attachment）Per side thickness, in 1.5-5mm, (shape can be rectangle herein, oval
Shape etc.), a kind of novel battery cathode ear is obtained, cathode pole piece is obtained by spot welding, patch high tempreture tape, then by ready-made anode
Piece+diaphragm+negative plate is carried out assembling production by way of winding and obtains battery roll core.
Claims (10)
1. a kind of lithium battery pole ear, which is characterized in that including lug ontology and the attachment being arranged on lug ontology, attachment
Around being attached on lug ontology or attachment is attached to the wherein side of lug ontology.
2. lithium battery pole ear according to claim 1, which is characterized in that the attachment be the first attachment, first
The thickness of attachment is 0.05-0.1mm.
3. lithium battery pole ear according to claim 1, which is characterized in that the attachment be the first attachment, first
The length of attachment is 5-15mm.
4. lithium battery pole ear according to claim 2 or 3, which is characterized in that be additionally provided with the second attachment on the first attachment
Part, the first attachment and the second attachment combine the attachment to form a step.
5. lithium battery pole ear according to claim 4, which is characterized in that the thickness of the second attachment is 1.5-5mm.
6. lithium battery pole ear according to claim 4, which is characterized in that the length of the second attachment is less than the first attachment
Length.
7. lithium battery pole ear according to claim 6, which is characterized in that the length of the second attachment is 1-10mm.
8. a kind of lithium battery, which is characterized in that including pole piece, anode ear and negative electrode lug；The negative electrode lug is claim 4 institute
The lithium battery pole ear stated.
9. a kind of preparation method of negative plate, which is characterized in that the negative electrode lug is the lithium battery pole described in claim 4
Ear；First attachment and the second attachment, which are molded using injection molding manner on lug, to be obtained.
10. a kind of preparation method of lithium battery, the lithium battery is lithium battery according to any one of claims 8；Steps are as follows：
Step 1：Prepare negative electrode lug and attachment；
The first attachment and the second attachment are formed by injection molding on negative electrode lug；
Step 2：Coiling forms lithium battery；
Anode ear is welded on pole piece by the negative pole lug welding that step 1 is obtained on negative plate；
It is again that soldered positive plate, diaphragm and negative plate is stacked and around being rolled into battery core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355604.6A CN108448044A (en) | 2018-04-19 | 2018-04-19 | A kind of lithium battery pole ear, lithium battery and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355604.6A CN108448044A (en) | 2018-04-19 | 2018-04-19 | A kind of lithium battery pole ear, lithium battery and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108448044A true CN108448044A (en) | 2018-08-24 |
Family
ID=63200265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810355604.6A Pending CN108448044A (en) | 2018-04-19 | 2018-04-19 | A kind of lithium battery pole ear, lithium battery and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108448044A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110179A1 (en) * | 2019-12-06 | 2021-06-10 | 东莞新能德科技有限公司 | Battery, battery assembly, battery pack and electronic apparatus |
Citations (5)
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|---|---|---|---|---|
| CN203733871U (en) * | 2013-12-30 | 2014-07-23 | 惠州亿纬锂能股份有限公司 | Tab structure of soft-packaged lithium battery |
| CN204651382U (en) * | 2015-05-29 | 2015-09-16 | 山东精工电子科技有限公司 | Soft-package battery aluminium-to-nickel band glue lug sheet |
| CN205335339U (en) * | 2016-01-15 | 2016-06-22 | 深圳市宜加新能源科技有限公司 | Novel utmost point ear structure |
| CN106410103A (en) * | 2016-06-16 | 2017-02-15 | 东莞市先诺电子材料有限公司 | Injection molding type automatic production device and automatic process of tab |
| CN206849932U (en) * | 2017-07-06 | 2018-01-05 | 浙江东尼电子股份有限公司 | A kind of lithium ion cell polar ear |
-
2018
- 2018-04-19 CN CN201810355604.6A patent/CN108448044A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203733871U (en) * | 2013-12-30 | 2014-07-23 | 惠州亿纬锂能股份有限公司 | Tab structure of soft-packaged lithium battery |
| CN204651382U (en) * | 2015-05-29 | 2015-09-16 | 山东精工电子科技有限公司 | Soft-package battery aluminium-to-nickel band glue lug sheet |
| CN205335339U (en) * | 2016-01-15 | 2016-06-22 | 深圳市宜加新能源科技有限公司 | Novel utmost point ear structure |
| CN106410103A (en) * | 2016-06-16 | 2017-02-15 | 东莞市先诺电子材料有限公司 | Injection molding type automatic production device and automatic process of tab |
| CN206849932U (en) * | 2017-07-06 | 2018-01-05 | 浙江东尼电子股份有限公司 | A kind of lithium ion cell polar ear |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021110179A1 (en) * | 2019-12-06 | 2021-06-10 | 东莞新能德科技有限公司 | Battery, battery assembly, battery pack and electronic apparatus |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180824 |
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| RJ01 | Rejection of invention patent application after publication |