KR102838227B1 - 실리카 코팅 황-탄소 복합체 및 이를 포함하는 리튬황 전지 - Google Patents

실리카 코팅 황-탄소 복합체 및 이를 포함하는 리튬황 전지

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Publication number
KR102838227B1
KR102838227B1 KR1020240043444A KR20240043444A KR102838227B1 KR 102838227 B1 KR102838227 B1 KR 102838227B1 KR 1020240043444 A KR1020240043444 A KR 1020240043444A KR 20240043444 A KR20240043444 A KR 20240043444A KR 102838227 B1 KR102838227 B1 KR 102838227B1
Authority
KR
South Korea
Prior art keywords
sulfur
silica
carbon composite
coated
carbon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
KR1020240043444A
Other languages
English (en)
Korean (ko)
Other versions
KR20240050311A (ko
Inventor
이미진
김민수
손권남
한동협
홍경식
신동석
Original Assignee
주식회사 엘지에너지솔루션
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020220135073A external-priority patent/KR20230165673A/ko
Priority claimed from KR1020230042280A external-priority patent/KR102654898B1/ko
Application filed by 주식회사 엘지에너지솔루션 filed Critical 주식회사 엘지에너지솔루션
Publication of KR20240050311A publication Critical patent/KR20240050311A/ko
Application granted granted Critical
Publication of KR102838227B1 publication Critical patent/KR102838227B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H01M4/366—Composites as layered products
    • 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
    • C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
    • 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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • 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
    • 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
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • 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
    • H01M4/581—Chalcogenides or intercalation compounds thereof
    • H01M4/5815—Sulfides
    • 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
    • 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
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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
    • H01M2004/028—Positive electrodes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • Engineering & Computer Science (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Secondary Cells (AREA)
  • Silicon Compounds (AREA)
KR1020240043444A 2022-05-27 2024-03-29 실리카 코팅 황-탄소 복합체 및 이를 포함하는 리튬황 전지 Active KR102838227B1 (ko)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
KR1020220065671 2022-05-27
KR20220065671 2022-05-27
KR1020220135073A KR20230165673A (ko) 2022-05-27 2022-10-19 실리카 코팅 황-탄소 복합체 및 이를 포함하는 리튬황 전지
KR1020220135073 2022-10-19
KR1020230042280A KR102654898B1 (ko) 2022-05-27 2023-03-30 실리카 코팅 황-탄소 복합체 및 이를 포함하는 리튬황 전지

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
KR1020230042280A Division KR102654898B1 (ko) 2022-05-27 2023-03-30 실리카 코팅 황-탄소 복합체 및 이를 포함하는 리튬황 전지

Publications (2)

Publication Number Publication Date
KR20240050311A KR20240050311A (ko) 2024-04-18
KR102838227B1 true KR102838227B1 (ko) 2025-07-24

Family

ID=88919514

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020240043444A Active KR102838227B1 (ko) 2022-05-27 2024-03-29 실리카 코팅 황-탄소 복합체 및 이를 포함하는 리튬황 전지

Country Status (4)

Country Link
JP (2) JP7823176B2 (https=)
KR (1) KR102838227B1 (https=)
CA (1) CA3234875A1 (https=)
WO (1) WO2023229200A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119495704B (zh) * 2025-01-15 2025-06-24 四川大学 一种锂硫电池复合正极及锂硫电池

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101417347B1 (ko) * 2012-09-24 2014-07-08 현대자동차주식회사 유황 다공성 도전재 나노복합체를 함유한 리튬유황 이차전지용 양극 및 그 제조방법
CN105006553B (zh) * 2015-07-11 2017-06-23 中国计量学院 一种硫/碳/氧化物复合电极材料的制备方法
KR102006727B1 (ko) * 2016-11-02 2019-08-02 주식회사 엘지화학 황-탄소 복합체 및 이를 포함하는 리튬-황 전지
CN107706360A (zh) * 2017-07-25 2018-02-16 深圳市沃特玛电池有限公司 一种锂离子电池复合负极材料的制备方法
CN107768617B (zh) * 2017-09-15 2019-04-30 深圳启辰新能源科技有限公司 锂硫电池复合正极材料及其制备方法
CN111224076B (zh) * 2018-11-26 2021-09-21 中国科学院大连化学物理研究所 一种抑制锂硫电池中聚硫离子飞梭的电极及制备和应用
EP3869591A1 (en) * 2020-02-19 2021-08-25 Vito NV Method for applying a functional compound on sulphur particles and sulphur particles resulting therefrom

Also Published As

Publication number Publication date
JP2026031573A (ja) 2026-02-24
JP7823176B2 (ja) 2026-03-03
KR20240050311A (ko) 2024-04-18
JP2024532392A (ja) 2024-09-05
CA3234875A1 (en) 2023-11-30
WO2023229200A1 (ko) 2023-11-30

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