CN101667632A - Polymer battery lug and surface processing method thereof - Google Patents
Polymer battery lug and surface processing method thereof Download PDFInfo
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- CN101667632A CN101667632A CN200910190249A CN200910190249A CN101667632A CN 101667632 A CN101667632 A CN 101667632A CN 200910190249 A CN200910190249 A CN 200910190249A CN 200910190249 A CN200910190249 A CN 200910190249A CN 101667632 A CN101667632 A CN 101667632A
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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 polymer battery lug and a surface processing method thereof, which comprises Ni, Al and insulating tape; the invention is characterized in that: the surface of the lug is coated with ammonium bifluoride, chromic oxide, sodium phosphate and boric acid; and the weight thereof are as follows respectively: 3 to 3.5g of ammonium bifluoride, 20 to 26g of chromic oxide, 2 to 2.5g of sodium phosphate and 0.4 to 0.6g of boric acid. The invention fundamentally solves the weakest link of electrolyte non-resistance of a normal lug, thus guaranteeing the long-term tightness of encapsulated cell in subsequent storage and use processes. The invention improves the safety of the battery and electric equipment.
Description
Technical field
The invention provides a kind of polymer battery lug and surface treatment method thereof.
Background technology
Rechargeable battery is the vitals of various portable electric appts and communication apparatus, as portable audio equipment, portable phone, field camera and notebook etc., thereby the demand of and the rechargeable battery that can charge and discharge little, in light weight for volume constantly increases, thus by battery to these equipment and device power supply.Yet existing polymer battery lug electrolyte resistance and anti-HF performance are undesirable, and the fail safe of battery is not high.
Summary of the invention
The object of the present invention is to provide that a kind of fail safe is good, electrolyte resistance and good polymer battery lug and the surface treatment method thereof of anti-HF performance.
Purpose of the present invention is achieved through the following technical solutions:
A kind of polymer battery lug comprises Ni, Al and insulating tape, it is characterized in that: described lug surface is coated with ammonium acid fluoride, chromium oxide, sodium phosphate and boric acid, its weight is respectively ammonium acid fluoride: 3-3.5g, chromium oxide: 20-26g, sodium phosphate: 2-2.5g, boric acid: 0.4-0.6g.
Described Ni is the nickel bar that purity is made at the nickel material more than 99.5%, and thickness is: 0.1-0.3mm, width is: 2-20mm, length is: 10-150mm.
Described Al is the aluminum strip that purity is made at the aluminum more than 99.5%, and thickness is: 0.1-0.3mm, width is: 2-20mm, length is: 10-150mm.
Described insulating tape is for to be combined by PP or PE, and fusing point: PE=120-125 ℃, PP=140-145 ℃, thickness is: 0.1-0.3mm, width is: 4-30mm, length is: 4-30mm.
The gross thickness of described lug is to add insulating tape thickness: 0.1-0.6mm by nickel bar thickness, the insulation of nickel lug is wide to be: 4-30mm, length is: 4-30mm, the electric conductor of nickel lug (long end) length: 10-100mm, the electric conductor of nickel lug (short end) length is: 5-50mm, the conductor width of nickel lug is: 2-20mm.
The gross thickness of described lug is to add insulating tape thickness: 0.1-0.6mm by aluminum strip thickness, the insulation of aluminium pole ears is wide to be: 4-30mm, length is: 4-30mm, the electric conductor of aluminium pole ears (long end) length: 10-100mm, the electric conductor of aluminium pole ears (short end) length is: 5-50mm, the conductor width of aluminium pole ears is: 2-20mm.
Described surface treatment method will be for will contain ammonium acid fluoride: 3-3.5g, chromium oxide: 20-26g, sodium phosphate: 2-2.5g, boric acid: 0.4-0.6g, evenly mix, stir being equipped with in the device jar of 100-200mL water then, the gained chemical solution soaks Ni, Al lug, solution temperature during immersion exists: 25-40 ℃, soak time is: 60-70S, soaked the back the taking-up of Ni, Al lug, and use pure water to clean up immediately and under 40-50 ℃ oven environment, dry.
The present invention compared with prior art has the following advantages,
The Ni of polymer battery lug of the present invention, Al surface specific coatings is except having the good adhesive property with PP or PE blob of viscose (tab film) and Ni, Al metal surface, the more important thing is and also have superior electrolyte resistance and anti-HF performance, in 85 ℃ electrolyte, soak and also keeping initial heat seal strength in 7 days, fundamentally solve not this weakest link of electrolyte resistance of common lug, thereby guaranteed electric core after the encapsulation permanent sealing in follow-up storage and use.PP that is adopted or PE tab film adopt the three-layer co-extruded film of import in addition, intermediate insulating layer fusing point height, insulating barrier can not melt under normal heat seal condition, effectively prevent short circuit between Ni and the aluminum plastic film aluminium foil, cut off the necessary condition that electric core produces corrosion, thereby improved battery or power consumption equipment fail safe.
Embodiment
Below the present invention is further described:
A kind of polymer battery lug comprises Ni, Al and insulating tape, it is characterized in that: described lug surface is coated with ammonium acid fluoride, chromium oxide, sodium phosphate and boric acid, its weight is respectively ammonium acid fluoride: 3-3.5g, chromium oxide: 20-26g, sodium phosphate: 2-2.5g, boric acid: 0.4-0.6g.
Described Ni is the nickel bar that purity is made at the nickel material more than 99.5%, and thickness is: 0.1-0.3mm, width is: 2-20mm, length is: 10-150mm.
Described Al is the nickel bar that purity is made at the aluminum more than 99.5%, and thickness is: 0.1-0.3mm, width is: 2-20mm, length is: 10-150mm.
Described insulating tape is for to be combined by PP or PE, and fusing point: PE=120-125 ℃, PP=140-145 ℃, thickness is: 0.1-0.3mm, width is: 4-30mm, length is: 4-30mm.
The gross thickness of described lug is to add insulating tape thickness: 0.1-0.6mm by nickel bar thickness, the insulation of nickel lug is wide to be: 4-30mm, length is: 4-30mm, the electric conductor of nickel lug (long end) length: 10-100mm, the electric conductor of nickel lug (short end) length is: 5-50mm, the conductor width of nickel lug is: 2-20mm.
The gross thickness of described lug is to add insulating tape thickness: 0.1-0.6mm by aluminum strip thickness, the insulation of aluminium pole ears is wide to be: 4-30mm, length is: 4-30mm, the electric conductor of aluminium pole ears (long end) length: 10-100mm, the electric conductor of aluminium pole ears (short end) length is: 5-50mm, the conductor width of aluminium pole ears is: 2-20mm.
Described surface treatment method will be for will contain ammonium acid fluoride: 3-3.5g, chromium oxide: 20-26g, sodium phosphate: 2-2.5g, boric acid: 0.4-0.6g, evenly mix, stir being equipped with in the device jar of 100-200mL water then, the gained chemical solution soaks Ni, Al lug, solution temperature during immersion exists: 25-40 ℃, soak time is: 60-70S, soaked the back the taking-up of Ni, Al lug, and use pure water to clean up immediately and under 40-50 ℃ oven environment, dry.
Claims (7)
1, a kind of polymer battery lug comprises Ni, Al and insulating tape, it is characterized in that: described lug surface is coated with ammonium acid fluoride, chromium oxide, sodium phosphate and boric acid, its weight is respectively ammonium acid fluoride: 3-3.5g, chromium oxide: 20-26g, sodium phosphate: 2-2.5g, boric acid: 0.4-0.6g.
2, polymer battery lug according to claim 1 is characterized in that: described Ni is the nickel bar that purity is made at the nickel material more than 99.5%, and thickness is: 0.1-0.3mm, width is: 2-20mm, length is: 10-150mm.
3, polymer battery lug according to claim 1 is characterized in that: described Ai is the nickel bar that purity is made at the aluminum more than 99.5%, and thickness is: 0.1-0.3mm, width is: 2-20mm, length is: 10-150mm.
4, polymer battery lug according to claim 1 is characterized in that: described insulating tape is for to be combined by PP or PE, fusing point: PE=120-125 ℃, PP=140-145 ℃, thickness is: 0.1-0.3mm, width is: 4-30mm, length is: 4-30mm.
5, polymer battery lug according to claim 2, it is characterized in that: the gross thickness of described lug is to add insulating tape thickness: 0.1-0.6mm by nickel bar thickness, the insulation of nickel lug is wide to be: 4-30mm, length is: 4-30mm, the electric conductor of nickel lug (long end) length: 10-100mm, the electric conductor of nickel lug (short end) length is: 5-50mm, the conductor width of nickel lug is: 2-20mm.
6, polymer battery lug according to claim 3, it is characterized in that: the gross thickness of described lug is to add insulating tape thickness: 0.1-0.6mm by aluminum strip thickness, the insulation of aluminium pole ears is wide to be: 4-30mm, length is: 4-30mm, the electric conductor of aluminium pole ears (long end) length: 10-100mm, the electric conductor of aluminium pole ears (short end) length is: 5-50mm, the conductor width of aluminium pole ears is: 2-20mm.
7, a kind of surface treatment method of polymer battery lug according to claim 1, it is characterized in that: described surface treatment method will be for will contain ammonium acid fluoride: 3-3.5g, chromium oxide: 20-26g, sodium phosphate: 2-2.5g, boric acid: 0.4-0.6g, evenly mix, stir being equipped with in the device jar of 100-200mL water then, the gained chemical solution, soak Ni, the Al lug, the solution temperature during immersion exists: 25-40 ℃, soak time is: 60-70S, soaked the back Ni, the Ai lug takes out, and uses pure water to clean up immediately and dries under 40-50 ℃ oven environment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910190249A CN101667632A (en) | 2009-09-25 | 2009-09-25 | Polymer battery lug and surface processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910190249A CN101667632A (en) | 2009-09-25 | 2009-09-25 | Polymer battery lug and surface processing method thereof |
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| Publication Number | Publication Date |
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| CN101667632A true CN101667632A (en) | 2010-03-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910190249A Pending CN101667632A (en) | 2009-09-25 | 2009-09-25 | Polymer battery lug and surface processing method thereof |
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| CN (1) | CN101667632A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102354735A (en) * | 2011-08-29 | 2012-02-15 | 能一郎科技股份有限公司 | Method for preparing aluminum, nickel and copper tabs for flexibly packaged or polymer lithium ion power battery |
| CN102376984A (en) * | 2010-08-25 | 2012-03-14 | 惠州泰科立集团股份有限公司 | Ultrathin rechargeable battery and manufacturing process thereof |
| CN103194743A (en) * | 2013-03-13 | 2013-07-10 | 华东理工大学 | Surface treatment method of nickel metal strip for lithium-ion battery negative electrode ear |
| US20220013875A1 (en) * | 2018-10-23 | 2022-01-13 | Panasonic Intellectual Property Management Co., Ltd. | Battery and protective tape for batteries |
-
2009
- 2009-09-25 CN CN200910190249A patent/CN101667632A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102376984A (en) * | 2010-08-25 | 2012-03-14 | 惠州泰科立集团股份有限公司 | Ultrathin rechargeable battery and manufacturing process thereof |
| CN102376984B (en) * | 2010-08-25 | 2013-07-31 | 惠州泰科立集团股份有限公司 | Ultrathin rechargeable battery and manufacturing process thereof |
| CN102354735A (en) * | 2011-08-29 | 2012-02-15 | 能一郎科技股份有限公司 | Method for preparing aluminum, nickel and copper tabs for flexibly packaged or polymer lithium ion power battery |
| CN103194743A (en) * | 2013-03-13 | 2013-07-10 | 华东理工大学 | Surface treatment method of nickel metal strip for lithium-ion battery negative electrode ear |
| US20220013875A1 (en) * | 2018-10-23 | 2022-01-13 | Panasonic Intellectual Property Management Co., Ltd. | Battery and protective tape for batteries |
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Application publication date: 20100310 |