CN101964399B - Lug protection clip for lithium ion battery monomer - Google Patents
Lug protection clip for lithium ion battery monomer Download PDFInfo
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- CN101964399B CN101964399B CN2010102952129A CN201010295212A CN101964399B CN 101964399 B CN101964399 B CN 101964399B CN 2010102952129 A CN2010102952129 A CN 2010102952129A CN 201010295212 A CN201010295212 A CN 201010295212A CN 101964399 B CN101964399 B CN 101964399B
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- ion battery
- battery monomer
- lithium
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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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Abstract
The invention discloses a lug protection clip for a lithium ion battery monomer, comprising a base and a T-shaped piece made of cooper and a reversed T-shaped wedge that are accommodated in the base, wherein the reversed T-shaped wedge can move relative to the T-shaped piece to lock or release the lug of the lithium ion battery monomer. A copper piece with very high conductivity is embedded is in the lug protection clip for a lithium ion battery monomer as a medium for the electric connection between the lug and the metal terminal of the ageing clip, thereby being capable of guaranteeing good contact of the aluminum or nickel tab of the lithium ion battery monomer with the metal terminal of the ageing clip, and eliminating unqualified test products caused by weak contact of the lug with the metal terminal of the ageing clip.
Description
Technical field
The invention belongs to the lithium ion battery field, relate in particular to a kind of lug protective folder of lithium-ion battery monomer.
Background technology
Lithium-ion battery monomer generally comprises packaging foil, sealing is contained in pole piece group in the packaging foil, and is welded in respectively on the pole piece group and extends anodal aluminium pole ears and the negative pole nickel lug of packaging foil.
In order to guarantee good anti-electrolyte property, before being made into lug, aluminium strip and nickel strap all will be processed with various solvents, so that the passivating film of its surface coverage one deck densification.But after aluminium strip and the nickel strap passivation, its conductivity sharply reduces.Along with the development of lithium ion battery process industry to automation, increasing lithium-ion battery monomer adopts automatic welding and auto reeling explained hereafter, and untreated nickel bar is no longer welded at the aluminium pole ears top.Aluminium pole ears efflorescence occurs easily through behind the high-temperature baking, has further reduced the electric conductivity of aluminium nickel lug.
In use, the silicagel pad of aging folder might come off, and the tightly phenomenon of thinner lug can appear pressing from both sides in the aging folder after silicagel pad comes off, and it is bad to cause lug to contact with aging folder metal end, produces more test bad product.Narrow during to 2 millimeters or lug thin thickness to 0.05 millimeter when the lug width, the ratio of the test bad product that causes because of loose contact is very high.
Simultaneously, in the manual operations of each operation, crooked and wrinkle phenomenon appear in aluminium nickel lug easily, need to increase trimming before shipment.For the less battery cell of lug spacing, cause easily that also aluminium nickel lug contacts and causes the generation of security incident.
In view of this, the necessary lug protective folder that a kind of lithium-ion battery monomer that can solve the problems of the technologies described above is provided.
Summary of the invention
The object of the invention is to: a kind of good lug protective folder that electrically contacts with the lithium-ion battery monomer of security performance that has is provided.
In order to realize the foregoing invention purpose; the invention provides a kind of lug protective folder of lithium-ion battery monomer; it comprises base and the T shape sheet and the ⊥ shape chock that are contained in the base, and ⊥ shape chock can be with respect to the motion of T shape sheet, with the lug of locking and release lithium-ion battery monomer.
As a kind of improvement of the lug protective folder of lithium-ion battery monomer of the present invention, described base is provided with the perforate of T shape, and shape, the size of the shape of T shape perforate, size and described T shape sheet are complementary, and T shape sheet stably is embedded in the perforate of T shape.
A kind of improvement as the lug protective folder of lithium-ion battery monomer of the present invention; the top of described T shape perforate is provided with ⊥ shape receiving space; ⊥ shape chock is contained in the receiving space and can reciprocating motion in receiving space, with locking or discharge the lug of lithium-ion battery monomer.
A kind of improvement as the lug protective folder of lithium-ion battery monomer of the present invention; described base is arranged with acute angle bevel in the inner side edge of receiving space both sides; described ⊥ shape chock is provided with the inclined at acute angles section that fastens with acute angle bevel, and inclined at acute angles section can be so that the lug of the locking of ⊥ shape chock or release lithium-ion battery monomer with respect to the slippage of acute angle bevel.
As a kind of improvement of the lug protective folder of lithium-ion battery monomer of the present invention, the perforate of described T shape is opened in the middle position of described base bottom.
As a kind of improvement of the lug protective folder of lithium-ion battery monomer of the present invention, described T shape sheet exceeds the lower surface of described base a little.
As a kind of improvement of the lug protective folder of lithium-ion battery monomer of the present invention, described T shape sheet is lower narrow wide T shape stage body, and its upper surface is straight horizontal plane.
As a kind of improvement of the lug protective folder of lithium-ion battery monomer of the present invention, the lug of lithium-ion battery monomer inserts in the described lug protective folder and contacts with the upper surface of described T shape sheet, and by described ⊥ shape chock locking.
As a kind of improvement of the lug protective folder of lithium-ion battery monomer of the present invention, described T shape sheet and ⊥ shape chock are made by copper or aluminium.
As a kind of improvement of the lug protective folder of lithium-ion battery monomer of the present invention, described base is made by the insulating material with sufficient intensity.
With respect to prior art; the lug protective folder of the application of the invention lithium-ion battery monomer has following useful technique effect: at first; be inlaid with the medium that the very high copper sheet of conductivity is electrically connected with aging folder metal end as lug in the lug protective folder; aluminium or the nickel lug that can guarantee lithium-ion battery monomer contact well with aging folder metal end, and elimination contacts the bad test bad product that causes because of lug with aging folder metal end.Secondly; after the aluminium of lithium-ion battery monomer or nickel lug insert in the lug protective folder; insulator foot wraps up and fixing lug fully; when guaranteeing that lug is smooth; for the less lithium-ion battery monomer of both positive and negative polarity ear space; can also prevent the short circuit problem that produces because of behind the positive and negative lug bending, improve the security performance of lithium-ion battery monomer.
Description of drawings
Below in conjunction with the drawings and specific embodiments, describe lug protective folder and the useful technique effect thereof of lithium-ion battery monomer of the present invention in detail, wherein:
Fig. 1 is the front view of the lug protective folder of lithium-ion battery monomer of the present invention.
Fig. 2 is the end view of the lug protective folder of lithium-ion battery monomer of the present invention.
Fig. 3 is the front view of base of the lug protective folder of lithium-ion battery monomer shown in Figure 1.
Fig. 4 is the end view of base of the lug protective folder of lithium-ion battery monomer shown in Figure 1.
Fig. 5 is the front view of T shape sheet of the lug protective folder of lithium-ion battery monomer shown in Figure 1.
Fig. 6 is the end view of T shape sheet of the lug protective folder of lithium-ion battery monomer shown in Figure 1.
Fig. 7 is the front view of ⊥ shape chock of the lug protective folder of lithium-ion battery monomer shown in Figure 1.
Fig. 8 is the end view of ⊥ shape chock of the lug protective folder of lithium-ion battery monomer shown in Figure 1.
Embodiment
See also Fig. 1 to shown in Figure 8, the lug protective folder 10 of lithium-ion battery monomer of the present invention comprises: base 20, be embedded in the T shape sheet 30 in the T shape perforate 206 of base 20, and be contained in the ⊥ shape chock 40 in the receiving space 208 of base 20.
Please consult especially Fig. 3 and shown in Figure 4, base 20 is to be made by the insulating material with sufficient intensity, and its middle part hollow out concavity is to accommodate T shape sheet 30 and ⊥ shape chock 40.The central position of the bottom 204 of base 20 is provided with T shape perforate 206, and T shape sheet 30 can stably be embedded in the T shape perforate 206.The top of T shape perforate 206 is provided with ⊥ shape receiving space 208, stably to accommodate ⊥ shape chock 40.Base 20 is arranged with acute angle bevel 202 in the inner side edge around ⊥ shape receiving space 208 both sides, cooperates to stablize with the inclined at acute angles section 402 of ⊥ shape chock 40.
See also Fig. 5 and shown in Figure 6, T shape sheet 30 is made of copper, and is lower narrow wide T shape platform shape body, and the shape and size of the T shape perforate 206 of offering on its profile and size and the base 20 are complementary, and can stably be embedded in the T shape perforate 206 of base 20.The upper surface 302 of T shape sheet 30 is straight horizontal plane, and lower surface 304 exceeds the bottom surface of base 20 after in the T shape perforate 206 that is assembled in base 20 a little.
See also Fig. 7 and shown in Figure 8, ⊥ shape chock 40 is made of copper, and is the ⊥ body that caves in relatively in the intermediate projections both sides, and its bilateral symmetry is provided with raised type inclined at acute angles section 402, closely cooperates with the acute angle bevel 202 with base 20.After in being assembled in base 20, ⊥ shape chock 40 can be in the receiving space 208 of base 20 along perpendicular to the paper direction reciprocating motion between locked position and off-position among Fig. 1, to compress or to discharge the lug (not shown) of lithium-ion battery monomer.The lower surface 404 of ⊥ shape chock 40 is straight horizontal plane, when ⊥ shape chock 40 slides onto locked position along base 20, the lower surface 404 of ⊥ shape chock 40 move to T shape sheet 30 directly over, and the upper surface 302 of collaborative T shape sheet 30 is with the locking of the lug of lithium-ion battery monomer and compacting.
See also illustrated in figures 1 and 2ly, during assembling, T shape sheet 30 is embedded in the T shape perforate 206 of offering on the base 20 first, the lower surface 304 of T shape sheet 30 is extended the bottom surface of base 20 a little; Then, along advancing from back to front perpendicular to the paper direction among Fig. 1, being slidingly matched between the acute angle bevel 202 by base 20 and the inclined at acute angles section 402 of ⊥ shape chock 40 is installed in the base 20 with ⊥ shape chock 40.When ⊥ shape chock 40 was fully assembled in the base 20, the front end face of ⊥ shape chock 40 (not mark) was concordant with the front end face (not mark) of base 20.
During use, pinch ⊥ shape chock 40 toward post-tensioning, the inclined at acute angles section 402 of ⊥ shape chock 40 slides onto the off-position along the acute angle bevel 202 of base 20, the gap occurs between ⊥ shape chock 40 and the T shape sheet 30; Then, the lug with lithium-ion battery monomer inserts in the gap; Subsequently, pinch ⊥ shape chock 40 and push away ⊥ shape chock 40 forward, the inclined at acute angles section 402 of ⊥ shape chock 40 slides onto locked position along the acute angle bevel 202 of base 20, at this moment, lug namely by lug protective folder 10 locking and with T shape sheet 30 close contacts.
With respect to prior art; the lug protective folder 10 of lithium-ion battery monomer of the present invention has the following advantages: base 20 is inlaid with the medium that the very high T shape sheet 30 of conductivity is electrically connected with aging folder metal end as lug in advance; and with ⊥ shape chock 40 locking; aluminium pole ears or the nickel lug that can guarantee lithium-ion battery monomer contact well with aging folder metal end, and elimination contacts the bad test bad product that causes because of lug with aging folder metal end.
In addition; the aluminium pole ears of lithium-ion battery monomer or nickel lug insert lug protective folder 10 interior after; the base 20 of insulation wraps up and fixes lug fully; when guaranteeing that lug is smooth; for the less lithium-ion battery monomer of both positive and negative polarity ear space; can also prevent the short circuit problem that produces because of behind the positive and negative lug bending, improve the security performance of lithium-ion battery monomer.
Be understandable that T shape sheet 30 and ⊥ shape chock 40 in this specification all are made of copper, and have good conductivity and enough intensity.But according to other execution modes of the present invention, T shape sheet 30 and ⊥ shape chock 40 also can be made by aluminium or other materials with satisfactory electrical conductivity and sufficient intensity.
The according to the above description announcement of book and instruction, those skilled in the art can also be able to carry out suitable change and modification to above-mentioned execution mode.Therefore, the embodiment that discloses and describe above the present invention is not limited to also should be included in the protection range of claim of the present invention modifications and changes more of the present invention.In addition, although the specific term of some that use in this specification, these terms do not consist of any restriction to the present invention just for convenience of description.
Claims (4)
1. the lug protective folder of a lithium-ion battery monomer, it is characterized in that: comprise the base of being made by the insulating material with sufficient intensity and T shape sheet and the ⊥ shape chock by the material making with satisfactory electrical conductivity and sufficient intensity that are contained in the base, wherein, T shape sheet is lower narrow wide T shape stage body, its upper surface is straight horizontal plane, and the lug of lithium-ion battery monomer contacts with the upper surface of T shape sheet when inserting in the lug protective folder and locked by ⊥ shape chock; Base is provided with the perforate of T shape, and shape, the size of the shape of T shape perforate, size and T shape sheet are complementary, and T shape sheet stably is embedded in the perforate of T shape; The top of T shape perforate is provided with ⊥ shape receiving space, and ⊥ shape chock is contained in the receiving space; Base is arranged with acute angle bevel in the inner side edge of receiving space both sides, ⊥ shape chock is provided with the inclined at acute angles section that fastens with acute angle bevel, inclined at acute angles section with respect to the slippage of acute angle bevel can so that ⊥ shape chock with respect to the motion of T shape sheet, with locking or discharge the lug of lithium-ion battery monomer.
2. the lug protective folder of lithium-ion battery monomer according to claim 1, it is characterized in that: the perforate of described T shape is opened in the middle position of described base bottom.
3. the lug protective folder of lithium-ion battery monomer according to claim 1, it is characterized in that: described T shape sheet exceeds the lower surface of described base a little.
4. the lug protective folder of lithium-ion battery monomer according to claim 1, it is characterized in that: described T shape sheet and ⊥ shape chock are made by copper or aluminium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102952129A CN101964399B (en) | 2010-09-26 | 2010-09-26 | Lug protection clip for lithium ion battery monomer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102952129A CN101964399B (en) | 2010-09-26 | 2010-09-26 | Lug protection clip for lithium ion battery monomer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101964399A CN101964399A (en) | 2011-02-02 |
| CN101964399B true CN101964399B (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102952129A Active CN101964399B (en) | 2010-09-26 | 2010-09-26 | Lug protection clip for lithium ion battery monomer |
Country Status (1)
| Country | Link |
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| CN (1) | CN101964399B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111916675B (en) * | 2020-07-08 | 2022-01-04 | 东莞塔菲尔新能源科技有限公司 | Pole piece winding method and wound pole piece |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350338A (en) * | 2000-10-25 | 2002-05-22 | 厦门宝龙工业股份有限公司 | Cell core lug protecting method and device |
| CN1649212A (en) * | 2004-01-30 | 2005-08-03 | 夏普株式会社 | Flexible board connector and connection structure between circuit board and flexible board |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3632586B2 (en) * | 2000-10-25 | 2005-03-23 | トヨタ自動車株式会社 | Battery and manufacturing method thereof |
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2010
- 2010-09-26 CN CN2010102952129A patent/CN101964399B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1350338A (en) * | 2000-10-25 | 2002-05-22 | 厦门宝龙工业股份有限公司 | Cell core lug protecting method and device |
| CN1649212A (en) * | 2004-01-30 | 2005-08-03 | 夏普株式会社 | Flexible board connector and connection structure between circuit board and flexible board |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2002-134157A 2002.05.10 |
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| Publication number | Publication date |
|---|---|
| CN101964399A (en) | 2011-02-02 |
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