JP6507106B2 - 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法 - Google Patents

負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法 Download PDF

Info

Publication number
JP6507106B2
JP6507106B2 JP2016002078A JP2016002078A JP6507106B2 JP 6507106 B2 JP6507106 B2 JP 6507106B2 JP 2016002078 A JP2016002078 A JP 2016002078A JP 2016002078 A JP2016002078 A JP 2016002078A JP 6507106 B2 JP6507106 B2 JP 6507106B2
Authority
JP
Japan
Prior art keywords
negative electrode
active material
electrode active
particles
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
JP2016002078A
Other languages
English (en)
Japanese (ja)
Other versions
JP2017123281A (ja
JP2017123281A5 (enExample
Inventor
拓史 松野
拓史 松野
貴一 廣瀬
貴一 廣瀬
博道 加茂
博道 加茂
古屋　昌浩
昌浩 古屋
粟野　英和
英和 粟野
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.)
Shin Etsu Chemical Co Ltd
Original Assignee
Shin Etsu Chemical Co Ltd
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 Shin Etsu Chemical Co Ltd filed Critical Shin Etsu Chemical Co Ltd
Priority to JP2016002078A priority Critical patent/JP6507106B2/ja
Priority to US16/062,889 priority patent/US20190006661A1/en
Priority to CN201680078179.XA priority patent/CN108463910B/zh
Priority to KR1020187019059A priority patent/KR20180093014A/ko
Priority to PCT/JP2016/005148 priority patent/WO2017119031A1/ja
Publication of JP2017123281A publication Critical patent/JP2017123281A/ja
Publication of JP2017123281A5 publication Critical patent/JP2017123281A5/ja
Application granted granted Critical
Publication of JP6507106B2 publication Critical patent/JP6507106B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

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
    • H01M4/364—Composites as mixtures
    • 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
    • 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
    • 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
    • C01B33/20—Silicates
    • C01B33/32—Alkali metal silicates
    • C01B33/325—After-treatment, e.g. purification or stabilisation of solutions, granulation; Dissolution; Obtaining solid silicate, e.g. from a solution by spray-drying, flashing off water or adding a coagulant
    • 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
    • H01M4/131—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
    • H01M4/1391—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
    • H01M4/36—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
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • 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
    • H01M4/58—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
    • 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
    • H01M2004/027—Negative 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Silicon Compounds (AREA)
  • Cell Electrode Carriers And Collectors (AREA)
JP2016002078A 2016-01-07 2016-01-07 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法 Active JP6507106B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2016002078A JP6507106B2 (ja) 2016-01-07 2016-01-07 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法
US16/062,889 US20190006661A1 (en) 2016-01-07 2016-12-16 Negative electrode active material, material of mixed negative electrode active material, negative electrode for non-aqueous electrolyte secondary battery, lithium ion secondary battery, method for producing negative electrode active material, and method for producing lithium ion secondary battery
CN201680078179.XA CN108463910B (zh) 2016-01-07 2016-12-16 负极活性物质及其制造方法、非水电解质二次电池用负极、锂离子二次电池及其制造方法
KR1020187019059A KR20180093014A (ko) 2016-01-07 2016-12-16 부극 활물질, 혼합 부극 활물질 재료, 비수 전해질 2차 전지용 부극, 리튬 이온 2차 전지, 부극 활물질의 제조 방법 및 리튬 이온 2차 전지의 제조 방법
PCT/JP2016/005148 WO2017119031A1 (ja) 2016-01-07 2016-12-16 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2016002078A JP6507106B2 (ja) 2016-01-07 2016-01-07 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法

Publications (3)

Publication Number Publication Date
JP2017123281A JP2017123281A (ja) 2017-07-13
JP2017123281A5 JP2017123281A5 (enExample) 2018-07-19
JP6507106B2 true JP6507106B2 (ja) 2019-04-24

Family

ID=59273542

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2016002078A Active JP6507106B2 (ja) 2016-01-07 2016-01-07 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法

Country Status (5)

Country Link
US (1) US20190006661A1 (enExample)
JP (1) JP6507106B2 (enExample)
KR (1) KR20180093014A (enExample)
CN (1) CN108463910B (enExample)
WO (1) WO2017119031A1 (enExample)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102308723B1 (ko) * 2017-10-19 2021-10-05 주식회사 엘지에너지솔루션 음극 활물질, 상기 음극 활물질을 포함하는 음극, 및 상기 음극을 포함하는 이차 전지
WO2019142744A1 (ja) * 2018-01-19 2019-07-25 三洋電機株式会社 非水電解質二次電池
JP7071732B2 (ja) * 2018-02-23 2022-05-19 国立研究開発法人産業技術総合研究所 積層体とその製造方法
US11417886B2 (en) * 2018-03-30 2022-08-16 Osaka Titanium Technologies Co., Ltd. Method for producing silicon oxide powder and negative electrode material
JP7656831B2 (ja) * 2020-01-31 2025-04-04 パナソニックＩｐマネジメント株式会社 電気化学素子およびその製造方法、ならびに電気化学デバイス
KR102286231B1 (ko) 2020-07-29 2021-08-06 에스케이이노베이션 주식회사 리튬이 도핑된 규소계 산화물 음극 활물질, 이의 제조방법, 이를 포함하는 음극 및 이차전지
CN113745645B (zh) * 2021-09-08 2022-08-05 珠海冠宇电池股份有限公司 一种硅负极体系的锂离子电池
CN113948688B (zh) * 2021-09-30 2023-06-09 浙江锂宸新材料科技有限公司 一种改性预锂化硅氧复合材料及其制备方法和应用
EP4199147A4 (en) * 2021-10-27 2024-11-20 Samsung SDI Co., Ltd. Anode active material for lithium secondary battery, anode for lithium secondary battery, comprising same, and lithium secondary battery comprising same
EP4428946A4 (en) * 2021-11-04 2025-10-22 Ningde Amperex Technology Ltd NEGATIVE ELECTRODE ACTIVE MATERIAL, ELECTROCHEMICAL DEVICE AND ELECTRONIC DEVICE
JP2024101820A (ja) * 2023-01-18 2024-07-30 信越化学工業株式会社 負極及び負極の製造方法
CN119890405B (zh) * 2024-12-31 2025-12-12 珠海冠宇电池股份有限公司 一种锂离子二次电池

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2997741B2 (ja) 1992-07-29 2000-01-11 セイコーインスツルメンツ株式会社 非水電解質二次電池及びその製造方法
JP2001185127A (ja) 1999-12-24 2001-07-06 Fdk Corp リチウム２次電池
JP2002042806A (ja) 2000-07-19 2002-02-08 Japan Storage Battery Co Ltd 非水電解質二次電池
JP2004063433A (ja) * 2001-12-26 2004-02-26 Shin Etsu Chem Co Ltd 導電性酸化珪素粉末、その製造方法及び該粉末を用いた非水電解質二次電池用負極材
TWI278429B (en) * 2002-05-17 2007-04-11 Shinetsu Chemical Co Conductive silicon composite, preparation thereof, and negative electrode material for non-aqueous electrolyte secondary cell
JP4367311B2 (ja) 2004-10-18 2009-11-18 ソニー株式会社 電池
JP4994634B2 (ja) 2004-11-11 2012-08-08 パナソニック株式会社 リチウムイオン二次電池用負極、その製造方法、およびそれを用いたリチウムイオン二次電池
JP4533822B2 (ja) * 2005-08-24 2010-09-01 株式会社東芝 非水電解質電池および負極活物質
JP4911990B2 (ja) 2006-02-27 2012-04-04 三洋電機株式会社 リチウム二次電池用負極及びその製造方法並びにリチウム二次電池
JP2008177346A (ja) 2007-01-18 2008-07-31 Sanyo Electric Co Ltd エネルギー貯蔵デバイス
JP5108355B2 (ja) 2007-03-30 2012-12-26 パナソニック株式会社 リチウム二次電池用負極およびそれを備えたリチウム二次電池、ならびにリチウム二次電池用負極の製造方法
KR100913177B1 (ko) 2007-09-17 2009-08-19 삼성에스디아이 주식회사 리튬 이차 전지용 음극 활물질 및 이의 제조 방법
JP5196149B2 (ja) 2008-02-07 2013-05-15 信越化学工業株式会社 非水電解質二次電池用負極材及びその製造方法並びにリチウムイオン二次電池及び電気化学キャパシタ
JP5555978B2 (ja) 2008-02-28 2014-07-23 信越化学工業株式会社 非水電解質二次電池用負極活物質、及びそれを用いた非水電解質二次電池
JP5329858B2 (ja) 2008-07-10 2013-10-30 株式会社東芝 非水電解質二次電池用負極活物質の製造方法およびこれによって得られる非水電解質電池用負極活物質
JP5407273B2 (ja) * 2008-10-24 2014-02-05 ソニー株式会社 負極集電体、負極および二次電池
JP5749339B2 (ja) * 2011-05-30 2015-07-15 株式会社豊田自動織機 リチウムイオン二次電池
WO2013018721A1 (ja) * 2011-07-29 2013-02-07 住友ベークライト株式会社 リチウムイオン二次電池用炭素材の製造方法、リチウムイオン二次電池用炭素材、リチウムイオン二次電池用負極活物質、組成物、リチウムイオン二次電池負極材用炭素複合材、リチウムイオン二次電池用負極合剤、リチウムイオン二次電池用負極、及びリチウムイオン二次電池
WO2013054481A1 (ja) * 2011-10-12 2013-04-18 株式会社豊田自動織機 リチウムイオン二次電池、リチウムイオン二次電池用負極及びリチウムイオン二次電池用負極材料
KR20150020185A (ko) * 2012-05-09 2015-02-25 신에쓰 가가꾸 고교 가부시끼가이샤 리튬의 프리도핑 방법, 리튬 프리도핑 전극 및 축전 디바이스
CN103730662B (zh) * 2012-10-10 2017-07-07 东莞东阳光科研发有限公司 一种锂离子电池负极二氧化硅/碳复合材料及其制备方法
CN105074971B (zh) * 2013-01-30 2017-03-29 三洋电机株式会社 非水电解质二次电池用负极活性物质、使用该负极活性物质的非水电解质二次电池用负极、以及使用该负极的非水电解质二次电池
CN105849948B (zh) * 2013-12-25 2018-10-26 三洋电机株式会社 非水电解质二次电池用负极活性物质以及使用该负极活性物质的非水电解质二次电池
JP6196183B2 (ja) * 2014-04-22 2017-09-13 信越化学工業株式会社 非水電解質二次電池用負極材及びその製造方法、並びに非水電解質二次電池用負極活物質層、非水電解質二次電池用負極、非水電解質二次電池
JP6268049B2 (ja) * 2014-06-23 2018-01-24 信越化学工業株式会社 非水電解質二次電池用負極材及び非水電解質二次電池並びに負極活物質粒子の製造方法
CN105006549A (zh) * 2014-07-20 2015-10-28 中南大学 一种碳硅复合锂离子电池负极材料及其制备方法

Also Published As

Publication number Publication date
CN108463910B (zh) 2021-07-06
WO2017119031A1 (ja) 2017-07-13
JP2017123281A (ja) 2017-07-13
CN108463910A (zh) 2018-08-28
US20190006661A1 (en) 2019-01-03
KR20180093014A (ko) 2018-08-20

Similar Documents

Publication Publication Date Title
JP7265668B2 (ja) リチウムイオン二次電池、モバイル端末、自動車及び電力貯蔵システム
JP6535581B2 (ja) 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池
JP6507106B2 (ja) 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法
CN105474438B (zh) 负极活性物质、负极活性物质材料、负极电极、锂离子二次电池、负极活性物质的制造方法、及锂离子二次电池的制造方法
JP6386414B2 (ja) 非水電解質二次電池用負極活物質及びその製造方法、並びにその負極活物質を用いた非水電解質二次電池及び非水電解質二次電池用負極材の製造方法
US11658289B2 (en) Negative electrode active material, mixed negative electrode active material, and method for producing negative electrode active material
JP6445956B2 (ja) 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池
US11005095B2 (en) Negative electrode active material, mixed negative electrode active material, and method for producing negative electrode active material
TWI797075B (zh) 負極活性物質、混合負極活性物質材料、非水電解質二次電池用負極、鋰離子二次電池、負極活性物質的製造方法、以及鋰離子二次電池的製造方法
JP6422847B2 (ja) 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法
KR102787408B1 (ko) 부극 활물질, 혼합 부극 활물질 재료, 비수전해질 이차 전지용 부극, 리튬 이온 이차 전지 및 부극 활물질의 제조 방법
JP7019284B2 (ja) 負極活物質、混合負極活物質材料、及び負極活物質の製造方法
US10862122B2 (en) Negative electrode active material, mixed negative electrode active material, method for producing negative electrode active material
JP6460960B2 (ja) 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、負極活物質の製造方法、及びリチウムイオン二次電池の製造方法
JP6862091B2 (ja) 負極活物質、混合負極活物質材料、非水電解質二次電池用負極、リチウムイオン二次電池、及び負極活物質の製造方法
JP6746526B2 (ja) 負極活物質、混合負極活物質材料、及び負極活物質の製造方法

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20171221

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20180608

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20181023

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20181218

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20190122

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20190308

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20190326

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20190401

R150 Certificate of patent or registration of utility model

Ref document number: 6507106

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150