KR20110037921A - 리튬 이온 폴리머 전지의 제조방법, 전지셀 및 이를 포함하는 리튬 이온 폴리머 전지 - Google Patents
리튬 이온 폴리머 전지의 제조방법, 전지셀 및 이를 포함하는 리튬 이온 폴리머 전지 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 44
- 229920000642 polymer Polymers 0.000 title claims abstract description 30
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 25
- 239000003792 electrolyte Substances 0.000 claims abstract description 76
- 238000004519 manufacturing process Methods 0.000 claims abstract description 27
- 238000007789 sealing Methods 0.000 claims description 43
- 239000008151 electrolyte solution Substances 0.000 claims description 32
- 238000005470 impregnation Methods 0.000 claims description 22
- 238000009736 wetting Methods 0.000 claims description 15
- 239000005022 packaging material Substances 0.000 claims description 14
- 230000032683 aging Effects 0.000 claims description 10
- 235000015110 jellies Nutrition 0.000 claims description 6
- 239000008274 jelly Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims 1
- 238000010294 electrolyte impregnation Methods 0.000 abstract description 6
- 230000004913 activation Effects 0.000 abstract description 2
- 210000004027 cell Anatomy 0.000 description 105
- 238000001994 activation Methods 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 10
- 238000004806 packaging method and process Methods 0.000 description 9
- 238000007872 degassing Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 238000009413 insulation Methods 0.000 description 5
- 238000011534 incubation Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 150000003839 salts Chemical class 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000010828 elution Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000011244 liquid electrolyte Substances 0.000 description 1
- 238000009740 moulding (composite fabrication) Methods 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
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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
- H01M10/04—Construction or manufacture in general
- H01M10/049—Processes for forming or storing electrodes in the battery container
-
- 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
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/18—Processes for applying liquids or other fluent materials performed by dipping
-
- 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
-
- 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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- H—ELECTRICITY
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- H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
- H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
- H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
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- H01M10/058—Construction or manufacture
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- H—ELECTRICITY
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/446—Initial charging measures
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0438—Processes of manufacture in general by electrochemical processing
- H01M4/044—Activating, forming or electrochemical attack of the supporting material
- H01M4/0445—Forming after manufacture of the electrode, e.g. first charge, cycling
- H01M4/0447—Forming after manufacture of the electrode, e.g. first charge, cycling of complete cells or cells stacks
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- 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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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
- H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
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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
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- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/4911—Electric battery cell making including sealing
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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
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- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/49115—Electric battery cell making including coating or impregnating
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- Inorganic Chemistry (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Dispersion Chemistry (AREA)
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- Materials Engineering (AREA)
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Abstract
Description
도 2 및 도 3은 실시예 및 비교예 전지셀의 실링부 단면을 촬영한 것이다.
Claims (13)
- 음극, 양극 및 분리막을 포함하는 전지셀을 전해조에 담그어 둠으로써 전지셀 내부로 전해액이 함침되도록 하는 것을 특징으로 하는 리튬 이온 폴리머 전지의 제조방법.
- 제1항에 있어서,
상기 전해액의 함침은 전지셀의 음극, 양극 및 분리막 전체가 전해액에 담그어진 상태에서 일어나는 것을 특징으로 하는 리튬 이온 폴리머 전지의 제조방법.
- 제1항에 있어서,
상기 전해액의 함침은 90KPa 내지 100KPa의 압력 하에서 진행되는 웨팅 공정을 포함하는 것을 특징으로 하는 리튬 이온 폴리머 전지의 제조방법.
- 제1항에 있어서,
상기 전해액의 함침 후 전지셀을 전해조 밖으로 꺼내어 거치된 상태에서 진행하는 성형 공정을 포함하는 것을 특징으로 하는 리튬 이온 폴리머 전지의 제조방법.
- 제4항에 있어서,
상기 성형 공정은 SOC(State of Charge) 30% 내지 SOC 50%에서 진행하는 것을 특징으로 하는 리튬 이온 폴리머 전지의 제조방법.
- 제1항에 있어서,
상기 전해액의 함침 후 전지셀을 활성화시키고, 활성화된 전지셀을 파우치 내에 삽입하여 실링하는 것을 특징으로 하는 리튬 이온 폴리머 전지의 제조방법.
- 제6항에 있어서,
상기 전지셀의 활성화 후 전해액의 숙성(aging) 공정을 거침으로써 전지셀 내부에 전해액이 소정 전해액 함침량에 도달하는 것을 특징으로 하는 리튬 이온 폴리머 전지의 제조방법.
- 제7항에 있어서,
상기 숙성 공정은 19℃ 내지 25℃에서 진행되는 것을 특징으로 하는 리튬 이온 폴리머 전지의 제조방법.
- 제7항에 있어서,
상기 숙성 공정 후 전지셀로부터 여분의 전해액이 제거되는 것을 특징으로 하는 리튬 이온 폴리머 전지의 제조방법.
- 음극, 양극 및 분리막을 포함하는 셀에 있어서, 상기 셀 내부에 젤리 형의 전해질이 함유된 것을 특징으로 하는 전지셀.
- 제1항 내지 제9항 중 적어도 어느 한 항의 전지셀을 포장재 내에 투입하고 진공 실링함으로써 제조된 것을 특징으로 하는 리튬 이온 폴리머 전지.
- 제11항에 있어서,
상기 전지셀의 충·방전효율은 99.7% ~ 99.9%인 것을 특징으로 하는 리튬 이온 폴리머 전지.
- 제11항에 있어서,
상기 전지셀의 전해액 누출량은 0.2% ~ 0.5%인 것을 특징으로 하는 리튬 이온 폴리머 전지.
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KR1020090095030 | 2009-10-07 | ||
KR20090095030 | 2009-10-07 |
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KR20110037921A true KR20110037921A (ko) | 2011-04-13 |
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US (1) | US10727471B2 (ko) |
EP (1) | EP2472645B1 (ko) |
KR (1) | KR101082496B1 (ko) |
CN (1) | CN102576853B (ko) |
WO (1) | WO2011043608A2 (ko) |
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CN104584306A (zh) * | 2012-11-08 | 2015-04-29 | 株式会社Lg化学 | 二次电池的制造方法 |
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CN106848177A (zh) * | 2017-03-08 | 2017-06-13 | 江西迪比科股份有限公司 | 一种锂离子二次电池的注液工艺 |
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KR100686838B1 (ko) | 2005-07-12 | 2007-02-26 | 삼성에스디아이 주식회사 | 리튬 이차전지 |
KR100793011B1 (ko) | 2007-02-16 | 2008-01-08 | 에스케이에너지 주식회사 | 리튬이차전지의 제조방법 |
KR100824869B1 (ko) | 2007-05-04 | 2008-04-23 | 삼성에스디아이 주식회사 | 리튬 폴리머 전지의 제조방법 및 리튬 폴리머 전지 |
JP5319899B2 (ja) * | 2007-08-23 | 2013-10-16 | 株式会社東芝 | 非水電解液電池 |
US20100192362A1 (en) * | 2008-09-11 | 2010-08-05 | A123 System, Inc. | Split Charge Forming Process for Battery |
CN101504995A (zh) * | 2009-02-11 | 2009-08-12 | 中信国安盟固利新能源科技有限公司 | 一种提高锰酸锂锂离子电池稳定性能和循环性能的方法 |
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EP2472645A2 (en) | 2012-07-04 |
CN102576853B (zh) | 2015-08-26 |
EP2472645A4 (en) | 2013-10-16 |
KR101082496B1 (ko) | 2011-11-11 |
EP2472645B1 (en) | 2015-07-01 |
US10727471B2 (en) | 2020-07-28 |
US20110097630A1 (en) | 2011-04-28 |
WO2011043608A2 (ko) | 2011-04-14 |
CN102576853A (zh) | 2012-07-11 |
WO2011043608A3 (ko) | 2011-07-14 |
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