KR102283287B1 - 리튬 이온 이차 전지용 바인더 조성물, 리튬 이온 이차 전지용 슬러리 조성물, 이차 전지용 전극의 제조 방법, 및 리튬 이온 이차 전지 - Google Patents
리튬 이온 이차 전지용 바인더 조성물, 리튬 이온 이차 전지용 슬러리 조성물, 이차 전지용 전극의 제조 방법, 및 리튬 이온 이차 전지 Download PDFInfo
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- KR102283287B1 KR102283287B1 KR1020167013732A KR20167013732A KR102283287B1 KR 102283287 B1 KR102283287 B1 KR 102283287B1 KR 1020167013732 A KR1020167013732 A KR 1020167013732A KR 20167013732 A KR20167013732 A KR 20167013732A KR 102283287 B1 KR102283287 B1 KR 102283287B1
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- Prior art keywords
- binder
- lithium ion
- ion secondary
- particulate
- secondary battery
- Prior art date
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- 229910052725 zinc Inorganic materials 0.000 description 1
Images
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/621—Binders
- H01M4/622—Binders being polymers
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Secondary Cells (AREA)
Abstract
Description
Claims (10)
- 가교제 (A), 입자상 결착제 (B) 및 물을 포함하고, 수상 및 고상을 갖는, 리튬 이온 이차 전지용 바인더 조성물로서,
상기 가교제 (A) 는, 카르복실산과 반응하는 관능기를 갖고,
상기 입자상 결착제 (B) 는, 에틸렌성 불포화 카르복실산기 단량체 단위를 함유하고,
상기 바인더 조성물의 고형분 질량 전체량에 대한, 상기 입자상 결착제 (B) 의 표면 산량의 비율이 0.01 m㏖/g 이상 1.0 m㏖/g 이하이고,
상기 바인더 조성물의 고형분 질량 전체량에 대한, 상기 수상 중의 산량의 비율이 0.01 m㏖/g 이상 1.0 m㏖/g 이하이고,
상기 표면 산량의 비율의 값을, 상기 수상 중의 산량의 비율의 값으로 나눈 값이, 1.0 이상인 리튬 이온 이차 전지용 바인더 조성물. - 제 1 항에 있어서,
상기 입자상 결착제 (B) 에 있어서의, 상기 에틸렌성 불포화 카르복실산기 단량체 단위의 비율이, 0.1 질량% 이상 30 질량% 이하인, 리튬 이온 이차 전지용 바인더 조성물. - 제 1 항에 있어서,
상기 입자상 결착제 (B) 가, 추가로 에틸렌성 불포화 수산기 함유 단량체 단위를, 0.1 질량% 이상 20 질량% 이하의 비율로 함유하는, 리튬 이온 이차 전지용 바인더 조성물. - 제 1 항에 있어서,
상기 가교제 (A) 가, 다관능 에폭시 화합물, 옥사졸린 화합물, 및 카르보디이미드 화합물로 이루어지는 군에서 선택되는 적어도 1 종인, 리튬 이온 이차 전지용 바인더 조성물. - 제 1 항에 있어서,
상기 입자상 결착제 (B) 가, 지방족 공액 디엔 단량체 단위 및 방향족 비닐 단량체 단위를 추가로 함유하는, 리튬 이온 이차 전지용 바인더 조성물. - 제 1 항에 있어서,
상기 입자상 결착제 (B) 100 질량부에 대한 상기 가교제 (A) 의 양이, 0.001 질량부 이상 20 질량부 이하인, 리튬 이온 이차 전지용 바인더 조성물. - 제 1 항 내지 제 6 항 중 어느 한 항에 기재된 리튬 이온 이차 전지용 바인더 조성물, 전극 활물질, 및 수용성 증점제 (C) 를 함유하는 리튬 이온 이차 전지용 슬러리 조성물.
- 제 7 항에 있어서,
상기 수용성 증점제 (C) 가, 카르복시메틸셀룰로오스, 메틸셀룰로오스, 하이드록시프로필메틸셀룰로오스, 하이드록시에틸메틸셀룰로오스, 폴리비닐알코올, 폴리카르복실산, 및 이들의 염으로 이루어지는 군에서 선택되는 적어도 1 종인, 리튬 이온 이차 전지용 슬러리 조성물. - 제 7 항에 기재된 리튬 이온 이차 전지용 슬러리 조성물을, 집전체 상에 도포, 건조해, 전극 활물질층을 형성하는 것을 포함하는, 리튬 이온 이차 전지용 전극의 제조 방법.
- 정극과, 부극과, 전해액과, 세퍼레이터를 구비하는 리튬 이온 이차 전지로서,
상기 정극, 상기 부극, 또는 이들 양방이, 제 9 항에 기재된 리튬 이온 이차 전지용 전극의 제조 방법에 의해 제조된 전극인, 리튬 이온 이차 전지.
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PCT/JP2014/082595 WO2015098507A1 (ja) | 2013-12-25 | 2014-12-09 | リチウムイオン二次電池用バインダー組成物、リチウムイオン二次電池用スラリー組成物、二次電池用電極の製造方法、および、リチウムイオン二次電池 |
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US11976218B2 (en) | 2014-07-11 | 2024-05-07 | Lg Energy Solution, Ltd. | Cathode and method of manufacturing the same |
KR102019711B1 (ko) * | 2016-09-26 | 2019-11-14 | 주식회사 엘지화학 | 리튬-황 이차전지 양극용 아크릴 바인더 및 이의 용도 |
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