WO2008120442A1 - 非水電解質二次電池用正極および非水電解質二次電池 - Google Patents

非水電解質二次電池用正極および非水電解質二次電池 Download PDF

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Publication number
WO2008120442A1
WO2008120442A1 PCT/JP2008/000425 JP2008000425W WO2008120442A1 WO 2008120442 A1 WO2008120442 A1 WO 2008120442A1 JP 2008000425 W JP2008000425 W JP 2008000425W WO 2008120442 A1 WO2008120442 A1 WO 2008120442A1
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WO
WIPO (PCT)
Prior art keywords
active material
positive electrode
electrode active
rechargeable battery
nonaqueous electrolyte
Prior art date
Application number
PCT/JP2008/000425
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English (en)
French (fr)
Inventor
Hideaki Fujita
Yukihiro Okada
Original Assignee
Panasonic Corporation
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.)
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Publication date
Application filed by Panasonic Corporation filed Critical Panasonic Corporation
Priority to US12/593,795 priority Critical patent/US20100112449A1/en
Publication of WO2008120442A1 publication Critical patent/WO2008120442A1/ja

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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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • 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
    • 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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • 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
    • H01M4/48—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
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Abstract

　正極活物質層に含有される正極活物質全量の８０重量％以上を一次粒子の形態とし、さらに、一次粒子の表面に導電性被覆層を設ける。これにより、正極活物質層における導電剤含有量を大きく増加させることなく、充放電の繰返しに伴う活物質自体の崩壊およびこれに伴う活物質層の体積変化が十分に抑制される。特に、正極活物質粒子の一部が正極活物質中の導電ネットワークから孤立しないようにする。その結果、一次粒子間で強固に形成された導電ネットワークが保たれるので、出力特性と寿命特性とを高次に両立でき、電池の高出力化および長寿命化が達成される。
PCT/JP2008/000425 2007-03-29 2008-03-03 非水電解質二次電池用正極および非水電解質二次電池 WO2008120442A1 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/593,795 US20100112449A1 (en) 2007-03-29 2008-03-03 Positive electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2007087437 2007-03-29
JP2007-087437 2007-03-29

Publications (1)

Publication Number Publication Date
WO2008120442A1 true WO2008120442A1 (ja) 2008-10-09

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PCT/JP2008/000425 WO2008120442A1 (ja) 2007-03-29 2008-03-03 非水電解質二次電池用正極および非水電解質二次電池

Country Status (5)

Country Link
US (1) US20100112449A1 (ja)
JP (1) JP2008270175A (ja)
KR (1) KR20090120506A (ja)
CN (1) CN101647139A (ja)
WO (1) WO2008120442A1 (ja)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010035681A1 (ja) * 2008-09-26 2010-04-01 三洋電機株式会社 非水電解質二次電池
US20110151328A1 (en) * 2009-01-06 2011-06-23 Lg Chem, Ltd. Cathode materials and lithium secondary battery containing the same
WO2014017583A1 (ja) * 2012-07-26 2014-01-30 Tdk株式会社 リチウムイオン二次電池
WO2016052407A1 (ja) * 2014-09-29 2016-04-07 積水化学工業株式会社 リチウムイオン電池用正極活物質
JP2017069135A (ja) * 2015-10-01 2017-04-06 株式会社豊田自動織機 リチウム複合金属酸化物部、中間部及び導電性酸化物部を有する材料
JP2019021627A (ja) * 2017-07-11 2019-02-07 貴州振華新材料股▲ふん▼有限公司 リチウムイオン電池正極材料及びリチウムイオン電池
US11791452B2 (en) 2018-02-02 2023-10-17 Honda Motor Co., Ltd. Positive electrode for solid-state batteries, solid-state battery and method for producing solid-state battery

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JP5347522B2 (ja) * 2009-01-20 2013-11-20 Ｔｄｋ株式会社 活物質及び電極の製造方法、活物質及び電極
JP5433276B2 (ja) * 2009-03-30 2014-03-05 Ｆｄｋ株式会社 リチウム複合化合物の製造方法
KR20130042471A (ko) 2010-04-01 2013-04-26 산요덴키가부시키가이샤 비수 전해질 이차 전지
DE102011003186A1 (de) * 2011-01-26 2012-07-26 Evonik Degussa Gmbh Dünne, makroporöse Polymerfolien
JP5423725B2 (ja) 2011-05-17 2014-02-19 トヨタ自動車株式会社 正極活物質粒子及びその製造方法
JP6011794B2 (ja) * 2012-11-15 2016-10-19 住友金属鉱山株式会社 非水電解質二次電池用正極活物質およびその製造方法
CN105474440B (zh) * 2013-09-02 2018-06-29 株式会社Lg 化学 二次电池用正极和包含其的二次电池
WO2015194497A1 (ja) * 2014-06-20 2015-12-23 住友金属鉱山株式会社 被覆リチウム－ニッケル複合酸化物粒子及び被覆リチウム－ニッケル複合酸化物粒子の製造方法
US10141566B2 (en) * 2014-08-15 2018-11-27 Samsung Electronics Co., Ltd. Lithium secondary battery including a coated cathode material and solid electrolyte, and method of preparing the same
JP6413573B2 (ja) * 2014-09-30 2018-10-31 株式会社豊田中央研究所 電極用複合粒子及びその製造方法
PL3394917T3 (pl) 2015-12-23 2021-05-31 Solvay Specialty Polymers Italy S.P.A. Materiał kompozytowy
JP2017130411A (ja) * 2016-01-22 2017-07-27 Ｃｓエナジーマテリアルズ株式会社 コートされた複合型リチウムイオン電池用正極活物質及びこれを用いたリチウムイオン電池
WO2018149834A1 (de) * 2017-02-17 2018-08-23 Evonik Degussa Gmbh Mit aluminiumoxid und titandioxid umhüllte lithium-mischoxidpartikel und verfahren zu deren herstellung
CN110462886B (zh) * 2017-03-31 2023-06-13 远景Aesc能源元器件有限公司 电池电极和锂离子二次电池
WO2018193630A1 (ja) * 2017-04-21 2018-10-25 日立化成株式会社 電気化学デバイス用電極及び電気化学デバイス
KR20200029961A (ko) * 2018-09-11 2020-03-19 주식회사 에코프로비엠 리튬 이차전지용 양극 활물질 및 이를 포함하는 리튬 이차전지
CN112968157B (zh) * 2021-02-06 2022-11-01 苏州精诚智造智能科技有限公司 一种动力锂离子电池的制备方法
TWI762404B (zh) 2021-08-17 2022-04-21 台灣立凱電能科技股份有限公司 二次電池正極材料的製造方法
TWI801064B (zh) * 2021-12-27 2023-05-01 台灣立凱電能科技股份有限公司 碳包覆正極材料及其製備方法

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JPH11283623A (ja) * 1998-03-31 1999-10-15 Sanyo Electric Co Ltd リチウムイオン電池及びその製造方法
JP2004103546A (ja) * 2002-07-15 2004-04-02 Mitsubishi Chemicals Corp 正極活物質複合化粒子、並びにそれを用いた電極及びリチウム二次電池
JP2004355824A (ja) * 2003-05-27 2004-12-16 Sumitomo Metal Mining Co Ltd 非水系二次電池用正極活物質および正極
JP2005196992A (ja) * 2003-12-26 2005-07-21 Hitachi Ltd リチウム二次電池用正極材料及び電池
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JPH11283623A (ja) * 1998-03-31 1999-10-15 Sanyo Electric Co Ltd リチウムイオン電池及びその製造方法
JP2004103546A (ja) * 2002-07-15 2004-04-02 Mitsubishi Chemicals Corp 正極活物質複合化粒子、並びにそれを用いた電極及びリチウム二次電池
JP2004355824A (ja) * 2003-05-27 2004-12-16 Sumitomo Metal Mining Co Ltd 非水系二次電池用正極活物質および正極
JP2005196992A (ja) * 2003-12-26 2005-07-21 Hitachi Ltd リチウム二次電池用正極材料及び電池
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010035681A1 (ja) * 2008-09-26 2010-04-01 三洋電機株式会社 非水電解質二次電池
US20110151328A1 (en) * 2009-01-06 2011-06-23 Lg Chem, Ltd. Cathode materials and lithium secondary battery containing the same
US8993167B2 (en) * 2009-01-06 2015-03-31 Lg Chem, Ltd. Cathode materials and lithium secondary battery containing the same
WO2014017583A1 (ja) * 2012-07-26 2014-01-30 Tdk株式会社 リチウムイオン二次電池
JP5928591B2 (ja) * 2012-07-26 2016-06-01 Tdk株式会社 リチウムイオン二次電池
US9570744B2 (en) 2012-07-26 2017-02-14 Tdk Corporation Lithium ion secondary battery
WO2016052407A1 (ja) * 2014-09-29 2016-04-07 積水化学工業株式会社 リチウムイオン電池用正極活物質
JP5966093B1 (ja) * 2014-09-29 2016-08-10 積水化学工業株式会社 リチウムイオン電池用正極活物質
US10741832B2 (en) 2014-09-29 2020-08-11 Sekisui Chemical Co., Ltd. Positive electrode active material for lithium ion battery
JP2017069135A (ja) * 2015-10-01 2017-04-06 株式会社豊田自動織機 リチウム複合金属酸化物部、中間部及び導電性酸化物部を有する材料
JP2019021627A (ja) * 2017-07-11 2019-02-07 貴州振華新材料股▲ふん▼有限公司 リチウムイオン電池正極材料及びリチウムイオン電池
US11791452B2 (en) 2018-02-02 2023-10-17 Honda Motor Co., Ltd. Positive electrode for solid-state batteries, solid-state battery and method for producing solid-state battery

Also Published As

Publication number Publication date
CN101647139A (zh) 2010-02-10
JP2008270175A (ja) 2008-11-06
US20100112449A1 (en) 2010-05-06
KR20090120506A (ko) 2009-11-24

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