JP6592134B2 - リチウム二次電池用負極活物質の製造方法 - Google Patents
リチウム二次電池用負極活物質の製造方法 Download PDFInfo
- Publication number
- JP6592134B2 JP6592134B2 JP2018079764A JP2018079764A JP6592134B2 JP 6592134 B2 JP6592134 B2 JP 6592134B2 JP 2018079764 A JP2018079764 A JP 2018079764A JP 2018079764 A JP2018079764 A JP 2018079764A JP 6592134 B2 JP6592134 B2 JP 6592134B2
- Authority
- JP
- Japan
- Prior art keywords
- negative electrode
- active material
- electrode active
- silicon oxide
- oxide particles
- 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
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
- 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
-
- 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
- H01M4/134—Electrodes based on metals, Si 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
- H01M4/362—Composites
-
- 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
-
- 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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
-
- 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
-
- 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
-
- 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
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Description
非晶質シリコンオキシド粉末(信越社製)100gを、エタノール40体積%水溶液350mLに分散させた。300RPMの速度で撹拌を行い、1ml/分の流量で49体積%HF水溶液80mLを添加した。添加完了後、そのまま放置し、追加的に30分間反応させた。反応完了後、減圧ろ過装置を用い、5Lの蒸留水を透過させて粉末を洗浄し、負極活物質を得た。
非晶質シリコンオキシド粉末(信越社製)100gを、エタノール40体積%水溶液350mLに分散させた。300RPMの速度で撹拌を行い、1ml/分の流量で49体積%HF水溶液100mLを添加した。添加完了後、そのまま放置し、追加的に30分間反応させた。反応完了後、減圧ろ過装置を用い、5Lの蒸留水を透過させて粉末を洗浄し、負極活物質を得た。
49体積%HF水溶液を150mL添加したことを除き、実施例1と同様の方法で実施し、負極活物質を製造した。
非晶質シリコンオキシド粉末(信越社製)をそのまま負極活物質として用いた。
非晶質シリコンオキシド粉末(信越社製)100gを、エタノール40体積%水溶液350mLに分散させた。300RPMの速度で撹拌を行い、1ml/分の流量で49体積%HF水溶液10mLを添加した。添加完了後、そのまま放置し、追加的に30分間反応させた。反応完了後、減圧ろ過装置を用い、5Lの蒸留水を透過させて粉末を洗浄し、負極活物質を得た。
49体積%HF水溶液を30mL添加したことを除き、比較例2と同様の方法で実施し、負極活物質を製造した。
49体積%HF水溶液を50mL添加したことを除き、比較例2と同様の方法で実施し、負極活物質を製造した。
比較例1の非晶質シリコンオキシドと、比較例2により製造された負極活物質粒子に対し、X線光電子分光器(XPS)を用いて分析した。その結果を図2および図3に示した。
−分析機器:ESCA 250 spectrometer
−分析チャンバ内の圧力:8*10−10mbar
−使用放射線:monochromatic Alkα
−X線の活性エネルギー:1486.8eV
−分析面積:500μm2
−XPS分析の表面層の大まかな厚さ:約5nm
−深さ条件:Ar+イオンビームスパッタリング(3keV)により深さプロファイルを得た。SiO2に対して決定されるスパッタリング速度は10nm/minである。
実施例1ないし3および比較例1ないし4により製造された負極活物質を、リチウム二次電池用負極活物質を用いて2016コイン型半電池を製造した。極板の組成は活物質:導電材:バインダー=80:10:10(重量比)とし、導電材はデンカブラック(Denka black)、バインダーはPI(ポリイミド)を使用し、溶媒はNMP(N−メチル−2−ピロリドン)を用いて極板を作製した。対極としてはリチウムメタルを使用し、中間にセパレータを挿入して電解液を注入し、シーリングし、電池を完成した。電解液としては、EC(エチレンカーボネート)/EMC(エチルメチルカーボネート)/DMC(ジメチルカーボネート)が3/3/4の体積比で混合された混合溶媒中に、添加剤としてFEC(Fluorinated ethyl carbonate)を5体積%添加して製造したものを使用した。
各リチウム二次電池を、25℃、3.0〜4.2Vの範囲内で、0.5Cの電流密度で充放電を50回実施した。その結果として、初期容量、充放電50回実施後の初期容量に対する50サイクル目の放電容量の比率であるサイクル容量維持率を下記表1に示した。
112 負極
113 セパレータ
114 正極
120 電池容器
140 封入部材
Claims (3)
- 全体組成がSiOx(ここで、0<x<2である)で表されるシリコンオキシド粒子を含むシリコンオキシド粉末をエッチャントと反応させるステップを含み、
反応後に得られたシリコンオキシド粒子の表面に存在する、酸素に対するシリコンの原子数の比率(Si/Oの比)が1.8〜2.0であることを特徴とする、リチウム二次電池用負極活物質の製造方法。 - 前記エッチャントが、硝酸、硫酸、HF、NH4F、およびNH4HF2からなる群より選択される1つ以上であることを特徴とする、請求項1に記載のリチウム二次電池用負極活物質の製造方法。
- 前記シリコンオキシド粉末と前記エッチャントとを反応させた後、得られたシリコンオキシド粒子を炭素系物質でコーティングまたは蒸着するステップをさらに含むことを特徴とする、請求項1または2に記載のリチウム二次電池用負極活物質の製造方法。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201261680068P | 2012-08-06 | 2012-08-06 | |
US61/680,068 | 2012-08-06 | ||
US13/956,230 US10096820B2 (en) | 2012-08-06 | 2013-07-31 | Negative active material for rechargeable lithium battery, method preparing the same and rechargeable lithium battery including the same |
US13/956,230 | 2013-07-31 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013162152A Division JP6580810B2 (ja) | 2012-08-06 | 2013-08-05 | リチウム二次電池用負極活物質、その製造方法およびこれを含むリチウム二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018152348A JP2018152348A (ja) | 2018-09-27 |
JP6592134B2 true JP6592134B2 (ja) | 2019-10-16 |
Family
ID=48914145
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013162152A Active JP6580810B2 (ja) | 2012-08-06 | 2013-08-05 | リチウム二次電池用負極活物質、その製造方法およびこれを含むリチウム二次電池 |
JP2018079764A Active JP6592134B2 (ja) | 2012-08-06 | 2018-04-18 | リチウム二次電池用負極活物質の製造方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013162152A Active JP6580810B2 (ja) | 2012-08-06 | 2013-08-05 | リチウム二次電池用負極活物質、その製造方法およびこれを含むリチウム二次電池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US10096820B2 (ja) |
EP (1) | EP2696403B1 (ja) |
JP (2) | JP6580810B2 (ja) |
KR (1) | KR101865170B1 (ja) |
CN (1) | CN103579594B (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10096820B2 (en) * | 2012-08-06 | 2018-10-09 | Samsung Sdi Co., Ltd. | Negative active material for rechargeable lithium battery, method preparing the same and rechargeable lithium battery including the same |
WO2015159935A1 (ja) * | 2014-04-16 | 2015-10-22 | 昭和電工株式会社 | リチウムイオン電池用負極材及びその用途 |
KR102270155B1 (ko) * | 2016-07-21 | 2021-06-28 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
KR102256534B1 (ko) * | 2017-11-08 | 2021-05-25 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차 전지 |
CN114551857A (zh) * | 2020-11-25 | 2022-05-27 | 宁德新能源科技有限公司 | 正极材料及使用其的电化学装置和电子设备 |
EP4322251A1 (en) * | 2021-04-08 | 2024-02-14 | Mitsubishi Materials Corporation | Negative-electrode material, battery, method for producing negative-electrode material, and method for producing battery |
CN113224286B (zh) * | 2021-04-25 | 2022-11-08 | 浙江大学自贡创新中心 | 一种高容量锂离子电池硅基复合负极材料及其制备方法 |
CN116544381B (zh) * | 2023-05-30 | 2024-04-05 | 广东凯金新能源科技股份有限公司 | 预镁硅氧负极材料及其制备方法、及二次电池 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002042809A (ja) | 2000-07-31 | 2002-02-08 | Denki Kagaku Kogyo Kk | 非水系二次電池 |
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 |
CN1140480C (zh) | 2002-02-05 | 2004-03-03 | 中国科学院理化技术研究所 | 具有球形和微孔的氧化锌与二氧化硅的复合颗粒及其制备方法和用途 |
JP4547963B2 (ja) | 2004-03-31 | 2010-09-22 | 日本電気株式会社 | 二次電池用負極、その製造方法及び二次電池 |
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 |
EP1986253B1 (en) | 2006-02-14 | 2011-09-07 | Panasonic Corporation | Electrode for nonaqueous electrolyte secondary battery, method for producing same , and nonaqueous electrolyte secondary battery comprising such electrode for nonaqueous secondary battery |
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 |
JP5342440B2 (ja) | 2007-04-27 | 2013-11-13 | 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 |
KR100981909B1 (ko) * | 2008-04-15 | 2010-09-13 | 애경유화 주식회사 | 리튬 이차 전지용 음극 활물질, 그의 제조 방법 및 그를포함하는 리튬 이차 전지 |
JP5245559B2 (ja) | 2008-06-16 | 2013-07-24 | 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その製造方法、ならびにリチウムイオン二次電池及び電気化学キャパシタ |
JP2010225494A (ja) | 2009-03-25 | 2010-10-07 | Shin-Etsu Chemical Co Ltd | 非水電解質二次電池用負極材及びその製造方法、ならびにリチウムイオン二次電池 |
KR101080956B1 (ko) | 2009-04-13 | 2011-11-08 | 국립대학법인 울산과학기술대학교 산학협력단 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
JP5310251B2 (ja) * | 2009-05-18 | 2013-10-09 | 信越化学工業株式会社 | 非水電解質二次電池用負極材の製造方法 |
JP2010272411A (ja) | 2009-05-22 | 2010-12-02 | Shin-Etsu Chemical Co Ltd | 非水電解質二次電池用負極材及びその製造方法、ならびにリチウムイオン二次電池及び電気化学キャパシタ |
JP5374705B2 (ja) | 2009-09-02 | 2013-12-25 | 株式会社大阪チタニウムテクノロジーズ | SiOxの製造方法 |
JP4880016B2 (ja) | 2009-09-18 | 2012-02-22 | 株式会社大阪チタニウムテクノロジーズ | リチウムイオン二次電池用負極材 |
JP5390336B2 (ja) | 2009-10-22 | 2014-01-15 | 信越化学工業株式会社 | 非水電解質二次電池用負極材料、非水電解質二次電池用負極材の製造方法並びに非水電解質二次電池用負極及び非水電解質二次電池 |
JP5445878B2 (ja) * | 2010-04-26 | 2014-03-19 | トヨタ自動車株式会社 | 電極活物質の製造方法 |
JP5500047B2 (ja) | 2010-11-02 | 2014-05-21 | 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、ならびにリチウムイオン二次電池及び電気化学キャパシタ |
CN102024992A (zh) | 2010-11-02 | 2011-04-20 | 江苏双登集团有限公司 | 铅酸蓄电池胶体电解液及制备方法 |
US9786947B2 (en) * | 2011-02-07 | 2017-10-10 | Sila Nanotechnologies Inc. | Stabilization of Li-ion battery anodes |
CN102208634B (zh) | 2011-05-06 | 2014-04-16 | 北京科技大学 | 一种多孔硅/碳复合材料及其制备方法 |
CN102664262A (zh) | 2012-05-18 | 2012-09-12 | 哈尔滨工业大学 | 一种锂离子电池用硅酸亚铁锂/碳正极材料的制备方法 |
US10096820B2 (en) * | 2012-08-06 | 2018-10-09 | Samsung Sdi Co., Ltd. | Negative active material for rechargeable lithium battery, method preparing the same and rechargeable lithium battery including the same |
KR101724012B1 (ko) * | 2012-08-23 | 2017-04-07 | 삼성에스디아이 주식회사 | 실리콘계 음극활물질, 그 제조방법 및 이를 포함하는 리튬 이차 전지 |
-
2013
- 2013-07-31 US US13/956,230 patent/US10096820B2/en active Active
- 2013-08-05 JP JP2013162152A patent/JP6580810B2/ja active Active
- 2013-08-05 EP EP13179198.0A patent/EP2696403B1/en active Active
- 2013-08-05 KR KR1020130092557A patent/KR101865170B1/ko active IP Right Grant
- 2013-08-06 CN CN201310338196.0A patent/CN103579594B/zh active Active
-
2018
- 2018-04-18 JP JP2018079764A patent/JP6592134B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP2696403A1 (en) | 2014-02-12 |
KR101865170B1 (ko) | 2018-06-07 |
US10096820B2 (en) | 2018-10-09 |
JP2018152348A (ja) | 2018-09-27 |
US20140038040A1 (en) | 2014-02-06 |
JP6580810B2 (ja) | 2019-09-25 |
CN103579594A (zh) | 2014-02-12 |
JP2014032964A (ja) | 2014-02-20 |
KR20140019747A (ko) | 2014-02-17 |
CN103579594B (zh) | 2019-11-15 |
EP2696403B1 (en) | 2015-04-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6592134B2 (ja) | リチウム二次電池用負極活物質の製造方法 | |
JP6207131B2 (ja) | リチウム2次電池用負極活物質、その製造方法、およびこれを含むリチウム2次電池 | |
US9088045B2 (en) | Silicon-based negative active material, preparing method of preparing same and rechargeable lithium battery including same | |
KR101473968B1 (ko) | 리튬 이차 전지용 음극 활물질, 리튬 이차 전지용 음극 활물질의 제조 방법 및 이를 포함하는 리튬 이차 전지 | |
KR101702989B1 (ko) | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 | |
JP6399731B2 (ja) | リチウム二次電池用負極組成物、リチウム二次電池用負極およびリチウム二次電池 | |
KR101155909B1 (ko) | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 | |
JP6122593B2 (ja) | リチウム2次電池用負極活物質、その製造方法およびこれを含むリチウム2次電池 | |
JP6021243B2 (ja) | リチウム二次電池用電極およびこれを含むリチウム二次電池 | |
KR20140012464A (ko) | 실리콘 합금계 음극활물질, 이를 포함하는 음극 활물질 조성물 및 그 제조 방법과 리튬 이차 전지 | |
KR102356495B1 (ko) | 리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차 전지 | |
KR101456201B1 (ko) | 리튬 이차 전지용 음극 활물질, 리튬 이차 전지용 음극 활물질의 제조 방법 및 상기 리튬 이차 전지용 음극 활물질을 포함하는 리튬 이차 전지 | |
JP6274722B2 (ja) | リチウム2次電池用正極およびこれを含むリチウム2次電池 | |
KR102290316B1 (ko) | 리튬 이차 전지 | |
CN114391194A (zh) | 锂金属电池及其制造方法 | |
KR20130095135A (ko) | 이차전지용 음극 활물질 및 그를 포함하는 이차전지 | |
JP7384528B2 (ja) | 二次電池用負極、その製造方法、およびそれを含むリチウム金属二次電池 | |
JP2024515948A (ja) | リチウム二次電池用電極およびこれを含むリチウム二次電池 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20180418 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20190422 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20190722 |
|
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: 20190826 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20190919 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6592134 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |