KR20160054932A - 이차전지용 음극재 및 그 제조방법 - Google Patents
이차전지용 음극재 및 그 제조방법 Download PDFInfo
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- KR20160054932A KR20160054932A KR1020140154571A KR20140154571A KR20160054932A KR 20160054932 A KR20160054932 A KR 20160054932A KR 1020140154571 A KR1020140154571 A KR 1020140154571A KR 20140154571 A KR20140154571 A KR 20140154571A KR 20160054932 A KR20160054932 A KR 20160054932A
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- South Korea
- Prior art keywords
- carbon
- negative electrode
- siox
- silicon oxide
- secondary battery
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
- C01B32/21—After-treatment
- C01B32/22—Intercalation
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
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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
-
- 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
- H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
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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
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
- H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
- H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
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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
- H01M2220/00—Batteries for particular applications
- H01M2220/30—Batteries in portable systems, e.g. mobile phone, laptop
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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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Geology (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
Description
Claims (7)
- 2가 알코올과 1가 또는 3가 알코올을 혼합한 수용액을 준비하는 단계;
상기 수용액과 실란계 물질을 혼합하고 반응시켜 반응물을 형성하는 단계;
상기 반응물을 탄소수소를 포함하는 가스 분위기에서 열처리하여 산소의 함량(x)이 0<x<2 인 C-SiOx로 표현되는 탄소함유 실리콘산화물을 형성하는 단계; 및
상기 C-SiOx와 탄소 소재를 결합하여 (C-SiOx)-C로 표현되는 실리콘산화물-탄소 복합재를 제조하는 단계
를 포함하는 이차전지용 음극재의 제조방법.
- 청구항 1에 있어서,
상기 실란계 물질은 사염화실란(SiCl4), 실리콘테트라 클로라이드, 트리클로로실란, 삼염화실란, 1-4 Dislacyclohexane, Vinyltrimethoxysilane, 3-(methacryloyloxy)]Propyltrimethoxysilane), (Octyl)SiCl3 중 어느 하나인 이차전지용 음극재의 제조방법.
- 청구항 1에 있어서,
상기 2가 알코올은 에틸렌글리콜인 이차전지용 음극재의 제조방법
- 청구항 1에 있어서,
상기 탄화수소는 헥산, 메탄, 에탄, 에틸렌, 아세틸렌, 프로판, 부탄, 부텐, 펜탄, 이소부탄 중 1종 또는 2종 이상인 이차전지용 음극재의 제조방법.
- 청구항 1에 있어서,
상기 탄화수소는 1환 내지 3환의 방향족 탄화수소인 이차전지용 음극재의 제조방법
- 청구항 1에 있어서,
상기 탄소 소재는 그래핀, 탄소나노튜브(CNT), 천연흑연, 인조흑연, 비정질카본 중 하나 이상인 이차전지용 음극재의 제조방법.
- 탄소를 포함하고, 산소의 함량(x)이 0<x<2 인 C-SiOx로 표현되는 탄소함유 실리콘산화물; 및
상기 탄소함유 실리콘 산화물과 결합된 탄소소재
를 포함하는 이차전지용 음극재.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140154571A KR20160054932A (ko) | 2014-11-07 | 2014-11-07 | 이차전지용 음극재 및 그 제조방법 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020140154571A KR20160054932A (ko) | 2014-11-07 | 2014-11-07 | 이차전지용 음극재 및 그 제조방법 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20160054932A true KR20160054932A (ko) | 2016-05-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020140154571A Withdrawn KR20160054932A (ko) | 2014-11-07 | 2014-11-07 | 이차전지용 음극재 및 그 제조방법 |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20160054932A (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180001518A (ko) * | 2016-06-27 | 2018-01-04 | 주식회사 네패스 | 리튬이차전지 음극용 조성물, 이를 이용한 리튬이차전지 음극 제조 방법, 이로부터 제조된 리튬이차전지 음극 및 리튬이차전지 |
| WO2019050100A1 (ko) * | 2017-09-05 | 2019-03-14 | 주식회사 익성 | 리튬 이차전지용 음극 활물질 및 그 제조방법 |
| CN119852338A (zh) * | 2023-11-28 | 2025-04-18 | 宁德时代新能源科技股份有限公司 | 硅碳负极材料及其制备方法 |
-
2014
- 2014-11-07 KR KR1020140154571A patent/KR20160054932A/ko not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20180001518A (ko) * | 2016-06-27 | 2018-01-04 | 주식회사 네패스 | 리튬이차전지 음극용 조성물, 이를 이용한 리튬이차전지 음극 제조 방법, 이로부터 제조된 리튬이차전지 음극 및 리튬이차전지 |
| WO2019050100A1 (ko) * | 2017-09-05 | 2019-03-14 | 주식회사 익성 | 리튬 이차전지용 음극 활물질 및 그 제조방법 |
| CN119852338A (zh) * | 2023-11-28 | 2025-04-18 | 宁德时代新能源科技股份有限公司 | 硅碳负极材料及其制备方法 |
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