CA2754372A1 - Positive-electrode material for lithium-ion secondary battery and method of producing same - Google Patents

Positive-electrode material for lithium-ion secondary battery and method of producing same Download PDF

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Publication number
CA2754372A1
CA2754372A1 CA2754372A CA2754372A CA2754372A1 CA 2754372 A1 CA2754372 A1 CA 2754372A1 CA 2754372 A CA2754372 A CA 2754372A CA 2754372 A CA2754372 A CA 2754372A CA 2754372 A1 CA2754372 A1 CA 2754372A1
Authority
CA
Canada
Prior art keywords
lithium
positive
secondary battery
carbon
ion secondary
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.)
Abandoned
Application number
CA2754372A
Other languages
English (en)
French (fr)
Inventor
Karim Zaghib
Abdelbast Guerfi
Pierre Hovington
Takehiko Sawai
Shinji Saito
Kazunori Urao
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hydro Quebec
SEI Corp
Original Assignee
Hydro Quebec
SEI Corp
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
Application filed by Hydro Quebec, SEI Corp filed Critical Hydro Quebec
Priority to CA2754372A priority Critical patent/CA2754372A1/en
Priority to KR1020147010971A priority patent/KR102000579B1/ko
Priority to CA2849008A priority patent/CA2849008C/en
Priority to EP12839054.9A priority patent/EP2764564B1/en
Priority to US14/349,076 priority patent/US9577253B2/en
Priority to PCT/CA2012/050702 priority patent/WO2013049939A1/en
Priority to ES12839054.9T priority patent/ES2674334T3/es
Priority to CN201280048742.0A priority patent/CN103918109B/zh
Priority to CN201810283179.4A priority patent/CN108511674B/zh
Priority to JP2014533746A priority patent/JP6321541B2/ja
Publication of CA2754372A1 publication Critical patent/CA2754372A1/en
Priority to US15/405,662 priority patent/US10090525B2/en
Priority to US15/997,910 priority patent/US10944107B2/en
Priority to US17/096,403 priority patent/US11715828B2/en
Abandoned legal-status Critical Current

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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
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • 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
    • H01M4/0402—Methods of deposition of the 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
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0421—Methods of deposition of the material involving vapour deposition
    • H01M4/0428—Chemical vapour deposition
    • 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
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • 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
    • 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
    • H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
    • 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
    • H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
    • 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
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/50—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese
    • H01M4/505—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of manganese of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
    • 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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/52—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron
    • H01M4/525—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of nickel, cobalt or iron of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
    • 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
    • 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
    • H01M4/623—Binders being polymers fluorinated polymers
    • 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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • 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
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Carbon And Carbon Compounds (AREA)
CA2754372A 2011-10-04 2011-10-04 Positive-electrode material for lithium-ion secondary battery and method of producing same Abandoned CA2754372A1 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
CA2754372A CA2754372A1 (en) 2011-10-04 2011-10-04 Positive-electrode material for lithium-ion secondary battery and method of producing same
CN201280048742.0A CN103918109B (zh) 2011-10-04 2012-10-04 正电极材料：用于其制备并在锂二次电池中使用的方法
CN201810283179.4A CN108511674B (zh) 2011-10-04 2012-10-04 正电极材料：用于其制备并在锂二次电池中使用的方法
EP12839054.9A EP2764564B1 (en) 2011-10-04 2012-10-04 Positive-electrode materials: methods for their preparation and use in lithium secondary batteries
US14/349,076 US9577253B2 (en) 2011-10-04 2012-10-04 Positive-electrode materials: methods for their preparation and use in lithium secondary batteries
PCT/CA2012/050702 WO2013049939A1 (en) 2011-10-04 2012-10-04 Positive-electrode materials: methods for their preparation and use in lithium secondary batteries
ES12839054.9T ES2674334T3 (es) 2011-10-04 2012-10-04 Materiales de electrodo positivo: métodos para su preparación y su uso en baterías de litio secundarias
KR1020147010971A KR102000579B1 (ko) 2011-10-04 2012-10-04 양전극 소재: 이의 제조방법 및 리튬 2차 배터리에서의 용도
CA2849008A CA2849008C (en) 2011-10-04 2012-10-04 Positive-electrode materials: methods for their preparation and use in lithium secondary batteries
JP2014533746A JP6321541B2 (ja) 2011-10-04 2012-10-04 正電極材料、その製造方法およびリチウム二次電池における使用
US15/405,662 US10090525B2 (en) 2011-10-04 2017-01-13 Positive-electrode materials: methods for their preparation and use in lithium secondary batteries
US15/997,910 US10944107B2 (en) 2011-10-04 2018-06-05 Methods for the preparation and use of positive electrode materials coated with carbon in lithium secondary batteries
US17/096,403 US11715828B2 (en) 2011-10-04 2020-11-12 Positive-electrode materials: methods for their preparation and use in lithium secondary batteries

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2754372A CA2754372A1 (en) 2011-10-04 2011-10-04 Positive-electrode material for lithium-ion secondary battery and method of producing same

Publications (1)

Publication Number Publication Date
CA2754372A1 true CA2754372A1 (en) 2013-04-04

Family

ID=48040601

Family Applications (2)

Application Number Title Priority Date Filing Date
CA2754372A Abandoned CA2754372A1 (en) 2011-10-04 2011-10-04 Positive-electrode material for lithium-ion secondary battery and method of producing same
CA2849008A Active CA2849008C (en) 2011-10-04 2012-10-04 Positive-electrode materials: methods for their preparation and use in lithium secondary batteries

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA2849008A Active CA2849008C (en) 2011-10-04 2012-10-04 Positive-electrode materials: methods for their preparation and use in lithium secondary batteries

Country Status (8)

Country Link
US (4) US9577253B2 (https=)
EP (1) EP2764564B1 (https=)
JP (1) JP6321541B2 (https=)
KR (1) KR102000579B1 (https=)
CN (2) CN108511674B (https=)
CA (2) CA2754372A1 (https=)
ES (1) ES2674334T3 (https=)
WO (1) WO2013049939A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013166598A1 (en) * 2012-05-08 2013-11-14 HYDRO-QUéBEC Lithium-ion secondary battery and method of producing same
US11043680B2 (en) * 2013-11-13 2021-06-22 Showa Denko K.K. Electrode material including small diameter, carbon nanotubes bridging large diameter carbon nanotubes, redox flow battery electrode, redox flow battery, and method for producing electrode material
CN120674480A (zh) * 2025-08-19 2025-09-19 湖北万润新能源科技股份有限公司 一种复合磷酸铁锂材料及其制备方法、正极极片和二次电池

Families Citing this family (48)

* Cited by examiner, † Cited by third party
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GB2492167C (en) 2011-06-24 2018-12-05 Nexeon Ltd Structured particles
CA2754372A1 (en) * 2011-10-04 2013-04-04 Hydro-Quebec Positive-electrode material for lithium-ion secondary battery and method of producing same
EP2810322A1 (en) 2012-01-30 2014-12-10 Nexeon Limited Composition of si/c electro active material
JP6184056B2 (ja) * 2012-04-09 2017-08-23 リケンテクノス株式会社 樹脂組成物
JP5497109B2 (ja) 2012-07-03 2014-05-21 昭和電工株式会社 複合炭素繊維
JP5497110B2 (ja) 2012-07-03 2014-05-21 昭和電工株式会社 複合炭素繊維の製造方法
CA2794290A1 (en) 2012-10-22 2014-04-22 Hydro-Quebec Method of producing electrode material for lithium-ion secondary battery and lithium-ion secondary battery using such electrode material
JP5949798B2 (ja) * 2013-03-25 2016-07-13 住友大阪セメント株式会社 電極材料、電極材料の製造方法及び電極並びにリチウムイオン電池
CA2820227C (en) * 2013-07-10 2020-10-20 Grafoid, Inc. Novel composite conductive material
JP2015185229A (ja) * 2014-03-20 2015-10-22 三菱マテリアル株式会社 リチウムイオン二次電池の電極
WO2015150213A1 (de) * 2014-04-04 2015-10-08 Basf Se Verfahren zur herstellung von formkörpern
KR101567203B1 (ko) 2014-04-09 2015-11-09 (주)오렌지파워 이차 전지용 음극 활물질 및 이의 방법
US20170098817A1 (en) * 2014-05-21 2017-04-06 GM Global Technology Operations LLC Distributing conductive carbon black on active material in lithium battery electrodes
KR102276423B1 (ko) * 2014-06-10 2021-07-12 삼성전자주식회사 복합체, 이를 이용한 전기화학적 활물질 복합체, 이를 포함한 전극, 리튬 전지, 전계 방출 소자, 바이오센서, 반도체 소자 및 열전소자
KR101550781B1 (ko) 2014-07-23 2015-09-08 (주)오렌지파워 2 차 전지용 실리콘계 활물질 입자의 제조 방법
GB2533161C (en) 2014-12-12 2019-07-24 Nexeon Ltd Electrodes for metal-ion batteries
JP6505464B2 (ja) * 2015-02-20 2019-04-24 大阪瓦斯株式会社 リチウム二次電池用負極材料、リチウム二次電池用の負極活物質層用組成物、リチウム二次電池用負極及びリチウム二次電池の製造方法
JP6042513B2 (ja) * 2015-03-24 2016-12-14 太平洋セメント株式会社 二次電池用正極活物質及びその製造方法
KR102336781B1 (ko) * 2015-03-24 2021-12-08 다이헤이요 세멘토 가부시키가이샤 이차전지용 양극 활물질 및 그 제조방법
KR101726037B1 (ko) 2015-03-26 2017-04-11 (주)오렌지파워 실리콘계 음극 활물질 및 이의 제조 방법
US10826068B2 (en) 2015-06-30 2020-11-03 Murata Manufacturing Co., Ltd. Negative electrode, battery, battery pack, electronic apparatus, electrically driven vehicle, electrical storage device, and electric power system
US10971717B2 (en) * 2015-11-19 2021-04-06 Tdk Corporation Positive electrode active material, positive electrode, and lithium ion secondary battery
KR101918815B1 (ko) 2016-08-23 2018-11-15 넥시온 엘티디. 이차 전지용 음극 활물질 및 이의 제조 방법
KR101773719B1 (ko) 2016-08-23 2017-09-01 (주)오렌지파워 2 차 전지용 실리콘계 활물질 입자 및 이의 제조 방법
KR102268081B1 (ko) * 2017-04-28 2021-06-23 주식회사 엘지에너지솔루션 양극, 이를 포함하는 이차 전지, 및 상기 양극의 제조 방법
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