KR20110087560A - 이차 전지용 케이스 및 그 제조 방법 - Google Patents
이차 전지용 케이스 및 그 제조 방법 Download PDFInfo
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- KR20110087560A KR20110087560A KR1020100007039A KR20100007039A KR20110087560A KR 20110087560 A KR20110087560 A KR 20110087560A KR 1020100007039 A KR1020100007039 A KR 1020100007039A KR 20100007039 A KR20100007039 A KR 20100007039A KR 20110087560 A KR20110087560 A KR 20110087560A
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- oxide film
- acid solution
- aluminum oxide
- secondary battery
- battery case
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- 238000004519 manufacturing process Methods 0.000 title claims description 30
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims abstract description 76
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 63
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 63
- 230000004888 barrier function Effects 0.000 claims abstract description 58
- 235000011037 adipic acid Nutrition 0.000 claims abstract description 38
- 239000001361 adipic acid Substances 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 30
- 239000004020 conductor Substances 0.000 claims abstract description 6
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 81
- 238000010438 heat treatment Methods 0.000 claims description 30
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims description 25
- 239000004327 boric acid Substances 0.000 claims description 25
- 230000008569 process Effects 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 230000007797 corrosion Effects 0.000 abstract description 9
- 238000005260 corrosion Methods 0.000 abstract description 9
- 238000007598 dipping method Methods 0.000 abstract description 2
- 230000003647 oxidation Effects 0.000 description 10
- 238000007254 oxidation reaction Methods 0.000 description 10
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 230000008961 swelling Effects 0.000 description 5
- 239000011248 coating agent Substances 0.000 description 4
- 238000000576 coating method Methods 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- OJIJEKBXJYRIBZ-UHFFFAOYSA-N cadmium nickel Chemical compound [Ni].[Cd] OJIJEKBXJYRIBZ-UHFFFAOYSA-N 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 229920001690 polydopamine Polymers 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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- C—CHEMISTRY; METALLURGY
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- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/06—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used
- C25D11/10—Anodisation of aluminium or alloys based thereon characterised by the electrolytes used containing organic acids
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
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- C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
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- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D11/00—Electrolytic coating by surface reaction, i.e. forming conversion layers
- C25D11/02—Anodisation
- C25D11/04—Anodisation of aluminium or alloys based thereon
- C25D11/18—After-treatment, e.g. pore-sealing
- C25D11/24—Chemical after-treatment
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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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
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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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/117—Inorganic material
- H01M50/119—Metals
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
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- 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
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/145—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against corrosion
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- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/116—Primary casings; Jackets or wrappings characterised by the material
- H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
- H01M50/1245—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the external coating on the casing
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- 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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- Secondary Cells (AREA)
Abstract
Description
도 2는 본 발명의 일 실시예에 따른 이차 전지용 케이스를 나타낸 것으로 도 1를 II-II 선으로 잘라서 본 요부 단면도이다.
도 3은 본 발명의 일 실시예에 따른 이차 전지용 케이스의 제조 방법을 나타낸 플로우 차트이다.
도 4는 본 발명의 다른 실시예에 따른 이차 전지용 케이스의 제조 방법을 나타낸 플로우 차트이다.
구분 | 절연 물질 | 케이스의 부품 정도 변화량(Swelling) |
비교예 | 비결정질 다공형 산화알루미늄 막 | Δ0.73mm |
본 발명 | 결정질 장벽형 산화알루미늄 막 | Δ0.11mm |
200: 결정질 장벽형 산화피막(또는 결정질 장벽형 산화알루미늄 막)
Claims (17)
- 전극 조립체를 수용하며 전도성 재질로 이루어지는 몸체; 및
상기 몸체의 표면에 형성되는 결정질 장벽형 산화피막
을 포함하는 이차 전지용 케이스. - 제1항에 있어서,
상기 몸체는 알루미늄 또는 알루미늄 합금으로 이루어진 알루미늄 판이고, 그리고
상기 결정질 장벽형 산화피막은 결정질 장벽형 산화알루미늄 막인 이차 전지용 케이스. - 제1항에 있어서,
상기 몸체는 알루미늄 또는 알루미늄 합금으로 이루어진 알루미늄 판이고, 그리고
상기 결정질 장벽형 산화피막은 상기 알루미늄 판에 형성되는 비결정질 산화알루미늄 막을 열처리하여 형성되는 결정질 장벽형 산화알루미늄 막인 이차 전지용 케이스. - 제3항에 있어서,
상기 열처리를 위한 조건으로,
가열 온도는 300 내지 600℃이고; 그리고
가열 시간은 1 내지 24시간인 이차 전지용 케이스. - 제3항에 있어서,
상기 비결정질 산화알루미늄 막은
상기 알루미늄 판을 아디핀산 용액에 침지한 상태에서 전기화학적 처리를 통해 상기 알루미늄 판의 표면에 형성되는 이차 전지용 케이스. - 제5항에 있어서,
상기 아디핀산 용액 내에서의 전기화학적 처리를 위한 조건으로,
상기 아디핀산 용액의 몰농도는 0.5 내지 1.5M이고;
처리 온도는 60 내지 80℃이고; 그리고
처리 전압은 100 내지 150V인 이차 전지용 케이스. - 제5항에 있어서,
상기 알루미늄 판의 절연성을 더욱 확보하기 위해,
상기 비결정질 산화알루미늄 막의 두께는 붕산 용액 내에서의 전기화학적 처리에 의해 더 커지는 이차 전지용 케이스. - 제7항에 있어서,
상기 붕산 용액 내에서의 전기화학적 처리를 위한 조건으로,
상기 붕산 용액의 몰농도는 0.5 내지 2.0M이고;
처리 온도는 60 내지 80℃이고; 그리고
처리 전압은 250 내지 500V인 이차 전지용 케이스. - 제1항에 있어서,
상기 결정질 장벽형 산화알루미늄 막이 형성된 상기 알루미늄 판은 고용량 또는 고출력의 전지의 케이스에 사용되는 이차 전지용 케이스. - 제1항에 있어서,
상기 결정질 장벽형 산화알루미늄 막이 형성된 상기 알루미늄 판은 하이브리드 전기 자동차용 전지 또는 전기 자동차용 전지의 케이스에 사용되는 이차 전지용 케이스. - 알루미늄 판을 아디핀산 용액에 침지하는 단계;
상기 아디핀산 용액에 침지된 상태에서 전기화학적 처리를 통해 상기 알루미늄 판의 표면에 비결정질 산화알루미늄 막을 형성하는 단계; 및
상기 비결정질 산화알루미늄 막을 열처리하여 결정질 장벽형 산화알루미늄 막을 형성하는 단계
를 포함하는 이차 전지용 케이스의 제조 방법. - 제11항에 있어서,
상기 결정질 장벽형 산화알루미늄 막을 형성하는 단계에서,
상기 열처리를 위한 조건으로,
가열 온도는 300 내지 600℃이고; 그리고
가열 시간은 1 내지 24시간인 이차 전지용 케이스의 제조 방법. - 제11항에 있어서,
상기 비결정질 산화알루미늄 막을 형성하는 단계에서,
상기 아디핀산 용액 내에서의 전기화학적 처리를 위한 조건으로,
상기 아디핀산 용액의 몰농도는 0.5 내지 1.5M이고;
처리 온도는 60 내지 80℃이고; 그리고
처리 전압은 100 내지 150V인 이차 전지용 케이스의 제조 방법. - 제11항에 있어서,
상기 비결정질 산화알루미늄 막을 형성하는 단계와 상기 결정질 장벽형 산화알루미늄 막을 형성하는 단계 사이에,
상기 비결정질 산화알루미늄 막이 형성된 상기 알루미늄 판을 붕산 용액에 침지하는 단계; 및
상기 붕산 용액에 침지한 상태에서 전기화학적 처리를 통해 상기 비결정질 산화알루미늄 막의 두께를 증가시키는 단계를 더 포함하는 이차 전지용 케이스의 제조 방법. - 제14항에 있어서,
상기 비결정질 산화알루미늄 막의 두께를 증가시키는 단계에서,
상기 붕산 용액 내에서의 전기화학적 처리를 위한 조건으로,
상기 붕산 용액의 몰농도는 0.5 내지 2.0M이고;
처리 온도는 60 내지 80℃이고; 그리고
처리 전압은 250 내지 500V인 이차 전지용 케이스의 제조 방법. - 제11항에 있어서,
상기 결정질 장벽형 산화알루미늄 막을 형성하는 단계 후에,
상기 알루미늄 판을 설정 형상으로 가공하는 단계를 더 포함하는 이차 전지용 케이스의 제조 방법. - 제11항에 있어서,
상기 아디핀산 용액에 침지하는 단계 전에,
상기 알루미늄 판을 설정 형상으로 가공하는 단계를 더 포함하는 이차 전지용 케이스의 제조 방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100007039A KR101094014B1 (ko) | 2010-01-26 | 2010-01-26 | 이차 전지용 케이스 및 그 제조 방법 |
US12/805,532 US20110183190A1 (en) | 2010-01-26 | 2010-08-04 | Case for a secondary battery and manufacturing method thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020100007039A KR101094014B1 (ko) | 2010-01-26 | 2010-01-26 | 이차 전지용 케이스 및 그 제조 방법 |
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Publication Number | Publication Date |
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KR20110087560A true KR20110087560A (ko) | 2011-08-03 |
KR101094014B1 KR101094014B1 (ko) | 2011-12-15 |
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DE102011110703A1 (de) * | 2011-08-17 | 2015-04-23 | Li-Tec Battery Gmbh | Energiespeichervorrichtung |
CN110983412B (zh) * | 2019-03-26 | 2022-03-29 | 国研新能(深圳)技术有限公司 | 一种基于原位生成法制备硬质氧化铝膜在铝壳锂电池绝缘密封中的应用 |
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GB2160352B (en) * | 1984-06-08 | 1987-08-26 | Venture Tech Ltd | Insulating seal for electrochemical cells |
JP3783521B2 (ja) * | 2000-04-20 | 2006-06-07 | 株式会社村田製作所 | 熱処理用物品及びその製造方法 |
US6617071B2 (en) * | 2001-05-24 | 2003-09-09 | Delphi Technologies, Inc. | Active material for high power and high energy lead acid batteries and method of manufacture |
KR100682962B1 (ko) * | 2006-02-03 | 2007-02-15 | 삼성전자주식회사 | 평판표시장치 및 그 제조방법 |
EP1897970B2 (en) * | 2006-09-05 | 2016-06-15 | Tungaloy Corporation | Coated cutting tool and method for producing the same |
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US20110183190A1 (en) | 2011-07-28 |
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