JP4790402B2 - 陰極活物質、その製造方法及びそれを用いた陰極とリチウム電池 - Google Patents
陰極活物質、その製造方法及びそれを用いた陰極とリチウム電池 Download PDFInfo
- Publication number
- JP4790402B2 JP4790402B2 JP2005361052A JP2005361052A JP4790402B2 JP 4790402 B2 JP4790402 B2 JP 4790402B2 JP 2005361052 A JP2005361052 A JP 2005361052A JP 2005361052 A JP2005361052 A JP 2005361052A JP 4790402 B2 JP4790402 B2 JP 4790402B2
- Authority
- JP
- Japan
- Prior art keywords
- coating layer
- active material
- cathode
- cathode active
- carbon fiber
- 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
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
- H01M4/58—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
-
- 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
- H01M4/133—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
- H01M4/134—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
- 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
- H01M4/36—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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- 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
-
- 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
- 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
- H01M4/04—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
- H01M4/36—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
-
- 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)
- Engineering & Computer Science (AREA)
- Composite Materials (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Carbon And Carbon Compounds (AREA)
- Secondary Cells (AREA)
Description
実施例1
平均直径20μmの天然黒鉛粉末20gと平均直径0.5μmのシリコン粉末2.0g及び分子量500のポリビニルアルコール(以下、PVA)1gを40mLの蒸溜水に入れ、PVAが完全に溶解されるまで攪拌した後、水が完全に蒸発するまで攪拌しつつ徐々に加熱して、前記3つの物質が混合された状態の固体を得た。
前記固相の物質をアルゴン雰囲気で900℃で1時間熱処理してPVAを完全に炭化させた後、乳鉢で粉砕して黒鉛粒子上に第1コーティング層としてシリコン微粒子を含む炭素被膜がコーティングされた粉末22gを得た。
前記コーティング粉末5gと平均直径0.2μm、アスペクト比が60である炭素ファイバ(VGCF)0.5gとPVA0.5gとを25mLの蒸溜水に入れ、PVAが完全に溶解されるまで攪拌した後、水が完全に蒸発するまで攪拌しつつ徐々に加熱して固相の物質を得た後、これを再びアルゴン雰囲気で900℃で1時間熱処理し、かつ粉砕して、第2コーティング層として炭素ファイバを含む炭素被膜がもう一度コーティングされた粉末5.4gを得た。
実施例1と同じ条件で実験した。但し、炭素ファイバの平均直径0.2μm、アスペクト比150である炭素ファイバを使用した。
実施例1と同じ条件で実験した。但し、炭素ファイバの平均直径0.02μm、アスペクト比150である炭素ファイバを使用した。
実施例1と同じ条件で実験した。但し、炭素ファイバの平均直径0.45μm、アスペクト比25である炭素ファイバを使用した。
実施例1と同じ条件で実験した。但し、平均直径0.5μmのシリコン粉末を1g使用した。
実施例1と同じ条件で実験した。但し、平均直径0.5μmのシリコン粉末を3g使用した。
実施例1と同じ条件で実験した。但し、平均直径0.08μmのシリコン粉末を2g使用した。
実施例1と同じ条件で実験した。但し、平均直径0.2μm、アスペクト比60の炭素ファイバを0.2g使用した。
実施例1と同じ条件で実験した。但し、平均直径0.2μm、アスペクト比60の炭素ファイバを1.0g使用した。
実施例1と同じ条件で実験した。但し、平均直径0.2μm、アスペクト比150の炭素ファイバを0.2g使用した。
実施例1と同じ条件で実験した。但し、平均直径0.2μm、アスペクト比150の炭素ファイバを1.0g使用した。
平均直径20μmの天然黒鉛粉末20gと平均直径0.5μmのシリコン粉末2.0g及び分子量500のPVA1gを40mLの蒸溜水に入れ、PVAが完全に溶解されるまで攪拌した後、水が完全に蒸発するまで攪拌しつつ徐々に加熱して、前記3つの物質が混合された状態の固体を得た。
活物質の製造過程は、比較例1と同じである。但し、活物質100重量当たり26重量の導電材(黒鉛微粒子)を使用した。
実施例1ないし11及び比較例1
前記で合成した活物質粉末2.91gとスチレンブタジエンゴム(SBR)0.045g及びカルボキシメチルセルロース(CMC)0.045gを混合して5mLの蒸溜水を投入した後、機械式攪拌器を使用して30分間攪拌してスラリーを製造した。
前記で合成した活物質粉末を2.31gと平均直径6μmの黒鉛粉末を0.6g及びSBR0.045gとCMC0.045gとを混合して5mLの蒸溜水を投入した後、機械式攪拌器を使用して30分間攪拌してスラリーを製造した。以後の陰極の製造方法は、他の例と同じである。
実施例1ないし11及び比較例1及び2で製造した前記陰極板をリチウム金属を相対電極とし、PTFE隔離膜と1MのLiPF6がEC(エチレンカーボネート)+DEC(ジエチルカーボネート)(3:7)に溶解されている溶液を電解質として2015規格のコインセルを製造した。
製造したコインセルは、活物質1g当たり50mAの電流でLi電極に対して0.001Vに到達するまで定電流充電し、次いで、0.001Vの電圧を維持しつつ電流が活物質1g当たり5mAに低くなるまで定電圧充電を実施した。
2 シリコン微粒子
3 炭素ファイバ
4 第1コーティング層
5 第2コーティング層
Claims (11)
- 黒鉛コアと、
前記黒鉛コアの表面上に形成された第1コーティング層及び第2コーティング層と、を含み、
前記第1コーティング層がシリコン微粒子を含み、前記第2コーティング層が炭素ファイバを含み、
前記第2コーティング層は、前記第1コーティング層を被覆して、
前記炭素ファイバのアスペクト比は、10ないし200であり、
前記第1コーティング層の平均厚さは、0.1ないし3μmであり、前記炭素ファイバが占める部分を除外した前記第2コーティング層の平均厚さは、0.1ないし3μmであり、前記シリコン微粒子の平均粒径は、0.01ないし1μmであり、前記炭素ファイバの平均直径は、0.01ないし1μmであることを特徴とする陰極活物質。 - 前記第1コーティング層のシリコン微粒子は、前記黒鉛コアの表面に存在することを特徴とする請求項1に記載の陰極活物質。
- 前記黒鉛コアの内部にシリコン微粒子をさらに含むことを特徴とする請求項1に記載の陰極活物質。
- 前記炭素ファイバは、気相法で製造されたことを特徴とする請求項1に記載の陰極活物質。
- 前記シリコン微粒子の含量は、前記陰極活物質全体重量に対して3ないし15重量%であることを特徴とする請求項1に記載の陰極活物質。
- 前記炭素ファイバの含量は、前記陰極活物質全体重量に対して0.1ないし20重量%であることを特徴とする請求項1に記載の陰極活物質。
- 前記コーティング層は、結晶面間の間隔d002が3.45Å以上の低結晶性炭素または非晶質炭素で構成されたことを特徴とする請求項1に記載の陰極活物質。
- 請求項1ないし7のうち何れか1項に記載の陰極活物質を含むことを特徴とする陰極。
- 請求項1ないし7のうち何れか1項に記載の陰極活物質を含む陰極を用いたことを特徴とするリチウム電池。
- 溶媒に高分子材料、黒鉛コア及びシリコン微粒子を加えた後、攪拌しつつ乾燥させる段階と、
前記乾燥物を焼成させて第1コーティング層を形成する段階と、
溶媒に高分子材料、前記第1コーティング層が形成された黒鉛コア、及びアスペクト比が10ないし200の炭素ファイバを加えた後、攪拌しつつ乾燥させる段階と、
得られた乾燥物を焼成させて第2コーティング層を形成して、前記第2コーティング層は、前記第1コーティング層を被覆する段階と、を含み、
前記第1コーティング層の平均厚さは、0.1ないし3μmであり、前記炭素ファイバが占める部分を除外した前記第2コーティング層の平均厚さは、0.1ないし3μmであり、前記シリコン微粒子の平均粒径は、0.01ないし1μmであり、前記炭素ファイバの平均直径は、0.01ないし1μmであることを特徴とする陰極活物質の製造方法。 - 前記高分子材料は、前記高分子材料の炭化温度ないし1400℃の温度で焼成されることを特徴とする請求項10に記載の陰極活物質の製造方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2004-0108411 | 2004-12-18 | ||
KR1020040108411A KR100738054B1 (ko) | 2004-12-18 | 2004-12-18 | 음극 활물질, 그 제조 방법 및 이를 채용한 음극과 리튬전지 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006173121A JP2006173121A (ja) | 2006-06-29 |
JP4790402B2 true JP4790402B2 (ja) | 2011-10-12 |
Family
ID=36596283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005361052A Active JP4790402B2 (ja) | 2004-12-18 | 2005-12-14 | 陰極活物質、その製造方法及びそれを用いた陰極とリチウム電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US8029931B2 (ja) |
JP (1) | JP4790402B2 (ja) |
KR (1) | KR100738054B1 (ja) |
CN (1) | CN100421290C (ja) |
Families Citing this family (130)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW583153B (en) * | 2001-09-25 | 2004-04-11 | Showa Denko Kk | Carbon material, production method and use thereof |
GB2395059B (en) | 2002-11-05 | 2005-03-16 | Imp College Innovations Ltd | Structured silicon anode |
KR100751772B1 (ko) * | 2003-06-05 | 2007-08-23 | 쇼와 덴코 가부시키가이샤 | 배터리 전극용 탄소재료와 그 제조방법 및 용도 |
US20070092428A1 (en) * | 2003-10-31 | 2007-04-26 | Showa Denko K.K. | Carbon material for battery electrode and production method and use thereof |
KR100784589B1 (ko) * | 2006-01-04 | 2007-12-10 | 엘에스전선 주식회사 | 2차 전지용 탄소질 전극재 및 그 제조방법과, 이를 이용한2차 전지 |
GB0601319D0 (en) | 2006-01-23 | 2006-03-01 | Imp Innovations Ltd | A method of fabricating pillars composed of silicon-based material |
GB0601318D0 (en) | 2006-01-23 | 2006-03-01 | Imp Innovations Ltd | Method of etching a silicon-based material |
JP5351990B2 (ja) * | 2006-01-31 | 2013-11-27 | Jfeケミカル株式会社 | リチウムイオン二次電池用負極材料、リチウムイオン二次電池用負極およびリチウムイオン二次電池 |
JP4986222B2 (ja) * | 2006-01-31 | 2012-07-25 | Jfeケミカル株式会社 | リチウムイオン二次電池用負極材料の製造方法 |
WO2007094240A1 (ja) * | 2006-02-17 | 2007-08-23 | Matsushita Electric Industrial Co., Ltd. | 導電性複合粒子およびその製造方法、並びにそれを用いた電極板、リチウムイオン二次電池 |
ATE525761T1 (de) * | 2006-07-14 | 2011-10-15 | Korea Kumho Petrochem Co Ltd | Anodenaktives material für eine lithium- sekundärbatterie hybridisiert mit kohlenstoffnanofasern |
GB0709165D0 (en) | 2007-05-11 | 2007-06-20 | Nexeon Ltd | A silicon anode for a rechargeable battery |
GB0713896D0 (en) * | 2007-07-17 | 2007-08-29 | Nexeon Ltd | Method |
GB0713898D0 (en) | 2007-07-17 | 2007-08-29 | Nexeon Ltd | A method of fabricating structured particles composed of silcon or a silicon-based material and their use in lithium rechargeable batteries |
GB0713895D0 (en) * | 2007-07-17 | 2007-08-29 | Nexeon Ltd | Production |
KR101386163B1 (ko) * | 2007-07-19 | 2014-04-17 | 삼성에스디아이 주식회사 | 복합 음극활물질, 이를 채용한 음극 및 리튬 전지 |
KR100878718B1 (ko) * | 2007-08-28 | 2009-01-14 | 한국과학기술연구원 | 리튬이차전지용 실리콘 박막 음극, 이의 제조방법 및 이를포함하는 리튬이차전지 |
WO2009073258A2 (en) * | 2007-09-10 | 2009-06-11 | Tiax Llc | Nano-sized silicon |
KR101345385B1 (ko) * | 2007-12-18 | 2013-12-24 | 삼성전자주식회사 | 잉크젯 인쇄용 전극 조성물, 이로부터 얻어진 전극 및이차전지 |
KR101075028B1 (ko) * | 2008-04-24 | 2011-10-20 | 쇼와 덴코 가부시키가이샤 | 리튬 이차전지용 탄소 음극재 및 그 제조방법과 이를 이용한 리튬 이차전지 |
KR101031920B1 (ko) * | 2008-04-29 | 2011-05-02 | 쇼와 덴코 가부시키가이샤 | 리튬 이차 전지용 음극 활물질과 그 제조방법 및 이를음극으로 포함하는 리튬 이차 전지 |
KR101002539B1 (ko) * | 2008-04-29 | 2010-12-17 | 삼성에스디아이 주식회사 | 리튬이차전지용 음극활물질 및 이를 포함하는 리튬이차전지 |
KR101025278B1 (ko) | 2008-05-29 | 2011-03-29 | 삼성에스디아이 주식회사 | 음극활물질, 이를 구비하는 음극 및 리튬이차전지 |
GB2464157B (en) | 2008-10-10 | 2010-09-01 | Nexeon Ltd | A method of fabricating structured particles composed of silicon or a silicon-based material |
GB2464158B (en) | 2008-10-10 | 2011-04-20 | Nexeon Ltd | A method of fabricating structured particles composed of silicon or a silicon-based material and their use in lithium rechargeable batteries |
KR101057162B1 (ko) | 2008-12-01 | 2011-08-16 | 삼성에스디아이 주식회사 | 음극활물질, 이를 구비하는 음극 및 리튬이차전지 |
KR101604081B1 (ko) | 2009-01-30 | 2016-03-17 | 삼성전자주식회사 | 복합체 음극활물질, 이를 포함하는 음극, 이를 채용한 리튬전지 및 이의 제조 방법 |
GB2470056B (en) | 2009-05-07 | 2013-09-11 | Nexeon Ltd | A method of making silicon anode material for rechargeable cells |
GB2470190B (en) | 2009-05-11 | 2011-07-13 | Nexeon Ltd | A binder for lithium ion rechargeable battery cells |
DE102009020832A1 (de) * | 2009-05-11 | 2010-11-25 | Süd-Chemie AG | Verbundmaterial enthaltend ein gemischtes Lithium-Metalloxid |
US9853292B2 (en) | 2009-05-11 | 2017-12-26 | Nexeon Limited | Electrode composition for a secondary battery cell |
KR101105875B1 (ko) * | 2009-05-26 | 2012-01-16 | 주식회사 코캄 | 리튬 이차전지용 음극 활물질 및 그 제조방법과 이를 포함하는 리튬 이차전지 |
US20110020701A1 (en) | 2009-07-16 | 2011-01-27 | Carbon Micro Battery Corporation | Carbon electrode structures for batteries |
US20170040598A1 (en) | 2015-08-07 | 2017-02-09 | Enevate Corporation | Surface modification of silicon particles for electrochemical storage |
US10461366B1 (en) | 2010-01-18 | 2019-10-29 | Enevate Corporation | Electrolyte compositions for batteries |
US9553303B2 (en) | 2010-01-18 | 2017-01-24 | Enevate Corporation | Silicon particles for battery electrodes |
US11380890B2 (en) | 2010-01-18 | 2022-07-05 | Enevate Corporation | Surface modification of silicon particles for electrochemical storage |
KR101700432B1 (ko) * | 2010-01-18 | 2017-01-26 | 에네베이트 코포레이션 | 전기화학적 축전지용 복합재 |
US11101465B2 (en) | 2017-03-28 | 2021-08-24 | Enevate Corporation | Reaction barrier between electrode active material and current collector |
JP5557003B2 (ja) * | 2010-03-19 | 2014-07-23 | 株式会社豊田自動織機 | 負極材料、非水電解質二次電池および負極材料の製造方法 |
GB201005979D0 (en) | 2010-04-09 | 2010-05-26 | Nexeon Ltd | A method of fabricating structured particles composed of silicon or a silicon-based material and their use in lithium rechargeable batteries |
KR101213477B1 (ko) | 2010-05-04 | 2012-12-24 | 삼성에스디아이 주식회사 | 고용량 음극 물질이 코팅된 수퍼 도전성 나노 입자를 포함하는 음극 활물질 및 이를 포함하는 리튬 전지 |
GB201009519D0 (en) | 2010-06-07 | 2010-07-21 | Nexeon Ltd | An additive for lithium ion rechargeable battery cells |
KR101445692B1 (ko) * | 2010-06-17 | 2014-10-02 | 쇼와 덴코 가부시키가이샤 | 리튬 이차 전지용 음극 활물질 및 이를 음극으로 포함하는 리튬 이차 전지 |
GB201014706D0 (en) | 2010-09-03 | 2010-10-20 | Nexeon Ltd | Porous electroactive material |
GB201014707D0 (en) | 2010-09-03 | 2010-10-20 | Nexeon Ltd | Electroactive material |
CN102479948B (zh) * | 2010-11-30 | 2015-12-02 | 比亚迪股份有限公司 | 一种锂离子电池的负极活性材料及其制备方法以及一种锂离子电池 |
CN102479949B (zh) * | 2010-11-30 | 2015-05-27 | 比亚迪股份有限公司 | 一种锂离子电池的负极活性材料及其制备方法以及一种锂离子电池 |
KR101334612B1 (ko) * | 2010-12-21 | 2013-11-29 | 주식회사 엘지화학 | 음극 활물질 및 이를 이용한 이차전지 |
DE102010063815A1 (de) * | 2010-12-21 | 2012-06-21 | Sgl Carbon Se | Kohlenstoff-Silizium-Mehrschichtsysteme |
US9583757B2 (en) | 2010-12-22 | 2017-02-28 | Enevate Corporation | Electrodes, electrochemical cells, and methods of forming electrodes and electrochemical cells |
US10388943B2 (en) | 2010-12-22 | 2019-08-20 | Enevate Corporation | Methods of reducing occurrences of short circuits and/or lithium plating in batteries |
KR101103606B1 (ko) * | 2010-12-22 | 2012-01-09 | 한화케미칼 주식회사 | 전극 활물질인 전이금속화합물과 섬유형 탄소물질의 복합체 및 이의 제조방법 |
US9397338B2 (en) | 2010-12-22 | 2016-07-19 | Enevate Corporation | Electrodes, electrochemical cells, and methods of forming electrodes and electrochemical cells |
TWI407620B (zh) * | 2010-12-24 | 2013-09-01 | Ind Tech Res Inst | 儲能複合粒子、電池負極材料以及電池 |
US20140335415A1 (en) * | 2011-01-31 | 2014-11-13 | Ryo Tamaki | Battery electrode having elongated particles embedded in active medium |
CN103339767B (zh) * | 2011-02-02 | 2016-01-06 | 丰田自动车株式会社 | 复合活性物质、复合活性物质的制造方法及电池 |
EP2650950B1 (en) * | 2011-02-15 | 2017-03-15 | Lg Chem, Ltd. | Method for manufacturing anode active material |
KR101849976B1 (ko) | 2011-04-08 | 2018-05-31 | 삼성전자주식회사 | 전극 활물질, 그 제조방법, 이를 포함한 전극 및 이를 채용한 리튬 이차 전지 |
JP6003015B2 (ja) * | 2011-06-24 | 2016-10-05 | ソニー株式会社 | 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、電池パック、電動車両、電力貯蔵システム、電動工具および電子機器 |
WO2013062334A1 (ko) * | 2011-10-25 | 2013-05-02 | 주식회사 엘지화학 | 이차전지용 음극 및 이를 구비하는 이차전지 |
TWI447993B (zh) | 2011-12-30 | 2014-08-01 | Ind Tech Res Inst | 負極材料與負極極板 |
US9490473B2 (en) * | 2012-02-09 | 2016-11-08 | Ovonic Battery Company, Inc. | Stabilized anode for lithium battery and method for its manufacture |
DE102012202968A1 (de) * | 2012-02-28 | 2013-08-29 | Sgl Carbon Se | Verfahren zur Herstellung von beschichteten Aktivmaterialien und deren Verwendung für Batterien |
JP5987439B2 (ja) * | 2012-04-19 | 2016-09-07 | 日立化成株式会社 | リチウムイオン二次電池用負極活物質及びリチウムイオン二次電池 |
JP5828304B2 (ja) * | 2012-06-29 | 2015-12-02 | トヨタ自動車株式会社 | 複合活物質、固体電池および複合活物質の製造方法 |
US9112221B2 (en) * | 2012-08-14 | 2015-08-18 | Samsung Sdi Co., Ltd. | Composite anode active material, anode and lithium battery comprising the material, and method of preparing the same |
CN103633306B (zh) * | 2012-08-28 | 2016-01-20 | 华为技术有限公司 | 一种硅碳复合负极材料及其制备方法和锂离子电池 |
JP6413766B2 (ja) * | 2012-10-05 | 2018-10-31 | 株式会社村田製作所 | 活物質、活物質の製造方法、電極および二次電池 |
CN104837768B (zh) | 2012-10-12 | 2017-05-17 | 宾夕法尼亚州研究基金会 | 微米尺寸的互连Si‑C复合材料的合成 |
US9590238B2 (en) * | 2012-11-30 | 2017-03-07 | Lg Chem, Ltd. | Composite for anode active material and method of preparing the same |
WO2014084610A1 (ko) * | 2012-11-30 | 2014-06-05 | 주식회사 엘지화학 | 음극 활물질용 복합체 및 이의 제조방법 |
US9806335B2 (en) | 2012-11-30 | 2017-10-31 | Lg Chem, Ltd. | Composite including conductive material and binder on surface of (semi) metal oxide and method of preparing anode slurry including the same |
CN102983307A (zh) * | 2012-12-10 | 2013-03-20 | 天津巴莫科技股份有限公司 | 锂离子电池石墨负极的制备方法 |
CN103107336B (zh) * | 2013-01-28 | 2017-04-19 | 方大工业技术研究院有限公司 | 梯度包覆的锂离子电池石墨负极材料及其制备方法 |
KR101479320B1 (ko) * | 2013-02-12 | 2015-01-05 | (주)포스코켐텍 | 리튬 이차 전지용 음극 활물질 및 이의 제조 방법 |
US10637054B2 (en) * | 2013-06-06 | 2020-04-28 | Nec Corporation | Positive electrode material for lithium ion secondary batteries, and method for producing same |
US10593930B2 (en) | 2013-06-20 | 2020-03-17 | Lg Chem, Ltd. | High capacity electrode active material for lithium secondary battery and lithium secondary battery using the same |
CN103474667B (zh) * | 2013-08-16 | 2015-08-26 | 深圳市贝特瑞新能源材料股份有限公司 | 一种锂离子电池用硅碳复合负极材料及其制备方法 |
FR3011234B1 (fr) * | 2013-09-30 | 2015-10-02 | Renault Sa | Electrode pour batterie de stockage d'energie electrique comprenant un materiau composite graphite/silicium/fibres de carbone |
EP2854204B1 (en) | 2013-09-30 | 2017-06-14 | Samsung Electronics Co., Ltd | Composite, carbon composite including the composite, electrode, lithium battery, electroluminescent device, biosensor, semiconductor device, and thermoelectric device including the composite and/or the carbon composite |
JP2015072809A (ja) * | 2013-10-03 | 2015-04-16 | 信越化学工業株式会社 | 珪素含有材料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並びにそれらの製造方法 |
JP6528982B2 (ja) * | 2013-12-05 | 2019-06-12 | 株式会社Gsユアサ | リチウムイオン二次電池 |
KR102211528B1 (ko) * | 2014-01-09 | 2021-02-02 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극, 및 이를 포함하는 리튬 이차 전지 |
KR102164001B1 (ko) * | 2014-01-09 | 2020-10-12 | 삼성에스디아이 주식회사 | 리튬 이차 전지 |
KR101724196B1 (ko) | 2014-05-09 | 2017-04-06 | 주식회사 엘지화학 | 그래핀 피복된 다공성 실리콘-탄소 복합체 및 이의 제조방법 |
WO2015170918A1 (ko) * | 2014-05-09 | 2015-11-12 | 주식회사 엘지화학 | 그래핀 피복된 다공성 실리콘-탄소 복합체 및 이의 제조방법 |
KR101628873B1 (ko) * | 2014-05-29 | 2016-06-09 | 울산과학기술원 | 음극 활물질, 이의 제조 방법, 이를 포함하는 음극판, 및 리튬 이차전지 |
KR101791298B1 (ko) * | 2014-08-26 | 2017-10-27 | 주식회사 엘지화학 | 이중 코팅층을 갖는 음극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차전지 |
JP6644692B2 (ja) * | 2014-09-05 | 2020-02-12 | 三洋電機株式会社 | 非水電解質二次電池用負極及び非水電解質二次電池 |
EP3238294B1 (en) | 2014-12-23 | 2022-02-16 | Umicore | Powder, electrode and battery comprising such a powder |
WO2016102098A1 (en) | 2014-12-23 | 2016-06-30 | Umicore | Powder, electrode and battery comprising such a powder |
JP6505232B2 (ja) | 2014-12-23 | 2019-04-24 | ユミコア | リチウムイオンバッテリのアノードにおいて使用するための複合粉末、このような複合粉末を調製する方法、及びこのような複合粉末を分析する方法 |
HUE051614T2 (hu) * | 2015-06-15 | 2021-03-01 | Ulsan Nat Inst Science & Tech Unist | Anód aktív anyag másodlagos lítium-akkumulátorokhoz, további elõkészítési módszerekhez, és azonos tartalmú másodlagos lítium-akkumulátorhoz |
KR101665099B1 (ko) | 2015-07-16 | 2016-10-12 | (주)에스제이신소재 | 천연흑연과 금속물질을 포함하는 리튬이온 이차전지용 음극 활물질 및 이의 제조방법 |
US10411254B2 (en) | 2015-10-15 | 2019-09-10 | Lg Chem, Ltd. | Negative electrode active material and secondary battery including the same |
KR101950858B1 (ko) * | 2015-10-15 | 2019-02-22 | 주식회사 엘지화학 | 음극 활물질 및 이를 포함하는 이차 전지 |
KR101786714B1 (ko) * | 2015-12-07 | 2017-10-18 | 강원대학교산학협력단 | 카본으로 이루어진 코어를 포함하는 리튬 이차 전지용 음극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차 전지 |
WO2017164538A1 (ko) * | 2016-03-24 | 2017-09-28 | 주식회사 엘지화학 | 음극활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차전지 |
KR101969484B1 (ko) * | 2016-03-24 | 2019-04-16 | 주식회사 엘지화학 | 음극활물질, 이의 제조 방법, 및 이를 포함하는 리튬 이차전지 |
KR20180001066A (ko) * | 2016-06-24 | 2018-01-04 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질, 이의 제조 방법 및 이를 포함하는 리튬 이차 전지 |
US10978701B2 (en) | 2016-11-18 | 2021-04-13 | Samsung Electronics Co., Ltd. | Porous silicon composite cluster structure, method of preparing the same, carbon composite using the same, and electrode, lithium battery, and device each including the same |
US11495792B2 (en) * | 2017-02-16 | 2022-11-08 | Global Graphene Group, Inc. | Method of manufacturing a lithium secondary battery having a protected high-capacity anode active material |
KR102256479B1 (ko) * | 2017-03-06 | 2021-05-27 | 주식회사 엘지에너지솔루션 | 리튬 이차전지용 음극 활물질 및 이의 제조방법 |
KR102401839B1 (ko) * | 2017-07-21 | 2022-05-25 | 에스케이온 주식회사 | 리튬 이차 전지용 음극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차 전지 |
US10985370B2 (en) | 2017-07-28 | 2021-04-20 | Unist(Ulsan National Institute Of Science And Technology) | Composite anode active material, method of preparing the same, and lithium secondary battery including anode including composite anode active material |
KR102278996B1 (ko) * | 2017-10-27 | 2021-07-20 | 주식회사 엘지에너지솔루션 | 실리콘-탄소 복합체 및 이를 포함하는 리튬 이차전지 |
KR102285980B1 (ko) * | 2017-11-09 | 2021-08-04 | 주식회사 엘지에너지솔루션 | 음극 활물질, 상기 음극 활물질을 포함하는 음극, 및 상기 음극을 포함하는 이차 전지 |
KR102561118B1 (ko) | 2017-12-07 | 2023-07-28 | 에네베이트 코포레이션 | 탄화규소 및 탄소 입자를 포함하는 복합물 |
US10686214B2 (en) | 2017-12-07 | 2020-06-16 | Enevate Corporation | Sandwich electrodes and methods of making the same |
KR102559218B1 (ko) * | 2017-12-07 | 2023-07-25 | 에스케이온 주식회사 | 리튬 이차 전지용 음극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차 전지 |
KR20190067474A (ko) * | 2017-12-07 | 2019-06-17 | 에스케이이노베이션 주식회사 | 리튬 이차 전지용 음극 활물질, 이의 제조방법, 및 이를 포함하는 리튬 이차 전지 |
US11133498B2 (en) | 2017-12-07 | 2021-09-28 | Enevate Corporation | Binding agents for electrochemically active materials and methods of forming the same |
KR102701081B1 (ko) | 2018-10-25 | 2024-09-04 | 삼성전자주식회사 | 다공성 실리콘 함유 복합체, 이를 이용한 탄소 복합체, 이를 포함한 전극, 리튬 전지 및 전자소자 |
KR102485284B1 (ko) | 2019-01-17 | 2023-01-06 | 주식회사 엘지에너지솔루션 | 음극 및 상기 음극을 포함하는 이차 전지 |
KR102320977B1 (ko) * | 2019-10-22 | 2021-11-03 | 주식회사 그랩실 | 실리콘 복합체를 포함하는 음극 활물질 및 이를 포함하는 리튬 이차전지 |
KR102277243B1 (ko) * | 2019-10-22 | 2021-07-14 | 주식회사 그랩실 | 실리콘 복합체를 포함하는 음극 활물질의 제조방법 |
KR102194750B1 (ko) * | 2020-01-21 | 2020-12-23 | 주식회사 그랩실 | 다층 구조의 음극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차전지 |
CN113224297A (zh) * | 2020-02-06 | 2021-08-06 | 宁德新能源科技有限公司 | 负极极片、应用所述负极极片的电池以及电子装置 |
US11532818B2 (en) * | 2020-05-29 | 2022-12-20 | Uchicago Argonne, Llc | Solvents and slurries comprising a poly(carboxylic acid) binder for silicon electrode manufacture |
KR102156535B1 (ko) * | 2020-07-24 | 2020-09-17 | 유성운 | 음극 활물질의 제조방법 및 상기 음극 활물질을 포함하는 이차전지. |
KR102166645B1 (ko) * | 2020-08-19 | 2020-10-16 | 유성운 | 음극 활물질, 상기 음극 활물질의 제조방법 및 상기 음극 활물질을 포함하는 이차전지. |
KR102245239B1 (ko) * | 2020-10-29 | 2021-04-29 | 주식회사 그랩실 | 실리콘 복합체를 포함하는 음극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차전지 |
WO2022205154A1 (zh) * | 2021-03-31 | 2022-10-06 | 宁德新能源科技有限公司 | 负极活性材料、电化学装置和电子装置 |
WO2022244363A1 (ja) | 2021-05-18 | 2022-11-24 | 株式会社村田製作所 | 二次電池用負極および二次電池 |
KR102376217B1 (ko) * | 2021-07-28 | 2022-03-18 | 주식회사 그랩실 | 다층 구조의 음극 활물질, 이의 제조방법 및 이를 포함하는 리튬 이차전지 |
US20230163309A1 (en) | 2021-11-22 | 2023-05-25 | Enevate Corporation | Silicon based lithium ion battery and improved cycle life of same |
KR20230096191A (ko) * | 2021-12-22 | 2023-06-30 | 포스코홀딩스 주식회사 | 가역성이 향상된 리튬 이차 전지용 음극재 및 이의 제조 방법 |
KR20240073473A (ko) * | 2022-11-18 | 2024-05-27 | 주식회사 한솔케미칼 | 음극 활물질, 그의 제조방법 및 이를 포함하는 리튬 이차전지 |
CN116393343B (zh) * | 2023-04-12 | 2023-11-07 | 燕山大学 | 一种锂电池极片干燥设备 |
Family Cites Families (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2884746B2 (ja) | 1990-09-03 | 1999-04-19 | 松下電器産業株式会社 | 非水電解液2次電池 |
JPH06318454A (ja) | 1993-05-07 | 1994-11-15 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池 |
JPH09249407A (ja) | 1996-03-14 | 1997-09-22 | Toyota Central Res & Dev Lab Inc | 黒鉛複合物およびその製造方法 |
JP3188395B2 (ja) | 1996-06-17 | 2001-07-16 | 株式会社日立製作所 | リチウム二次電池 |
KR100483126B1 (ko) * | 1997-05-30 | 2005-04-14 | 마츠시타 덴끼 산교 가부시키가이샤 | 비수전해질 2차전지 |
US6391495B1 (en) * | 1998-11-25 | 2002-05-21 | Samsung Display Devices Co., Ltd. | Negative active material for lithium secondary battery, method of preparing the same and lithium secondary battery comprising the same |
JP4218098B2 (ja) | 1998-12-02 | 2009-02-04 | パナソニック株式会社 | 非水電解質二次電池およびその負極材料 |
JP2000251879A (ja) | 1999-02-26 | 2000-09-14 | Kao Corp | 非水系二次電池 |
JP4192375B2 (ja) | 1999-04-14 | 2008-12-10 | ソニー株式会社 | 負極材料及びそれを用いた非水電解質電池 |
KR100350535B1 (ko) | 1999-12-10 | 2002-08-28 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 음극 활물질 및 그의 제조 방법 |
KR100359053B1 (ko) * | 2000-04-17 | 2002-11-07 | 한국과학기술연구원 | 유동상 화학증착기술로 표면처리된 탄소, 그 제조방법 및이를 이용한 탄소전극 및 리튬이차전지 |
JP4137350B2 (ja) * | 2000-06-16 | 2008-08-20 | 三星エスディアイ株式会社 | リチウム二次電池用の負極材料及びリチウム二次電池用の電極及びリチウム二次電池並びにリチウム二次電池用の負極材料の製造方法 |
US6733922B2 (en) | 2001-03-02 | 2004-05-11 | Samsung Sdi Co., Ltd. | Carbonaceous material and lithium secondary batteries comprising same |
TW583153B (en) * | 2001-09-25 | 2004-04-11 | Showa Denko Kk | Carbon material, production method and use thereof |
JP4666876B2 (ja) * | 2001-09-26 | 2011-04-06 | Jfeケミカル株式会社 | 複合黒鉛質材料およびその製造方法、ならびにリチウムイオン二次電池用負極材料およびリチウムイオン二次電池 |
EP1313158A3 (en) * | 2001-11-20 | 2004-09-08 | Canon Kabushiki Kaisha | Electrode material for rechargeable lithium battery, electrode comprising said electrode material, rechargeable lithium battery having said electrode , and process for the production thereof |
JP3985143B2 (ja) | 2002-03-11 | 2007-10-03 | 株式会社ジーエス・ユアサコーポレーション | 電極材料およびそれを用いたリチウム電池 |
US7105252B2 (en) * | 2002-05-22 | 2006-09-12 | Firefly Energy, Inc. | Carbon coated battery electrodes |
JP2004055505A (ja) | 2002-07-18 | 2004-02-19 | Masayuki Yoshio | リチウム二次電池用負極材料およびリチウム二次電池 |
JP4215532B2 (ja) * | 2003-02-17 | 2009-01-28 | 三洋電機株式会社 | 非水電解質二次電池 |
JP2004259475A (ja) | 2003-02-24 | 2004-09-16 | Osaka Gas Co Ltd | リチウム二次電池用負極材とその製造方法、及びそれを用いたリチウム二次電池 |
JP2004296161A (ja) | 2003-03-26 | 2004-10-21 | Shin Etsu Chem Co Ltd | 珪素の導電性物質被覆物及びその製造方法並びに非水電解質二次電池用負極材 |
JP2004349056A (ja) | 2003-05-21 | 2004-12-09 | Mitsui Mining Co Ltd | リチウム二次電池用負極材料及びその製造方法 |
KR100751772B1 (ko) * | 2003-06-05 | 2007-08-23 | 쇼와 덴코 가부시키가이샤 | 배터리 전극용 탄소재료와 그 제조방법 및 용도 |
CN2694501Y (zh) * | 2003-07-23 | 2005-04-20 | 鸿富锦精密工业(深圳)有限公司 | 负极及使用该负极的锂二次电池 |
US7618678B2 (en) * | 2003-12-19 | 2009-11-17 | Conocophillips Company | Carbon-coated silicon particle powders as the anode material for lithium ion batteries and the method of making the same |
KR100540181B1 (ko) * | 2004-06-03 | 2006-01-12 | 한국과학기술연구원 | 이차전지의 전극활물질용 탄소복합체 및 그 제조방법,이를 이용한 이차전지 |
-
2004
- 2004-12-18 KR KR1020040108411A patent/KR100738054B1/ko active IP Right Grant
-
2005
- 2005-09-01 CN CNB2005100980157A patent/CN100421290C/zh active Active
- 2005-09-07 US US11/219,775 patent/US8029931B2/en active Active
- 2005-12-14 JP JP2005361052A patent/JP4790402B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
CN1790779A (zh) | 2006-06-21 |
KR100738054B1 (ko) | 2007-07-12 |
CN100421290C (zh) | 2008-09-24 |
KR20060069738A (ko) | 2006-06-22 |
US8029931B2 (en) | 2011-10-04 |
US20060134516A1 (en) | 2006-06-22 |
JP2006173121A (ja) | 2006-06-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP4790402B2 (ja) | 陰極活物質、その製造方法及びそれを用いた陰極とリチウム電池 | |
KR102650964B1 (ko) | 음극 활물질 복합체, 상기 복합체를 포함하는 음극, 상기 음극을 포함하는 리튬 이차전지, 및 상기 복합체의 제조방법 | |
JP4861120B2 (ja) | 負極活物質、その製造方法、並びにそれを採用した負極及びリチウム電池 | |
CN101060169B (zh) | 负极活性材料及其制备方法 | |
JP4740753B2 (ja) | 充放電するリチウム電池、及び充放電するリチウム電池の負極に含まれる負極活物質の製造方法 | |
JP5435934B2 (ja) | カソード及びこれを採用したリチウム電池 | |
JP5642918B2 (ja) | 金属ナノ結晶複合体を含む負極活物質、その製造方法及びそれを採用した負極とリチウム電池 | |
CN100463257C (zh) | 阳极活性物质及其制备方法以及采用它的阳极和锂电池 | |
CN102473912B (zh) | 锂二次电池用负极组合物和使用其的锂二次电池 | |
US5851504A (en) | Carbon based electrodes | |
KR20140096915A (ko) | 복합음극활물질, 이를 채용한 음극과 리튬전지 및 그 제조방법 | |
JP5235444B2 (ja) | 複合体負極活物質、その製造方法及びそれを採用した負極とリチウム電池 | |
KR20100113826A (ko) | 복합체 음극활물질, 이를 포함하는 음극, 이를 채용한 리튬전지 및 이의 제조 방법 | |
KR20220048837A (ko) | 리튬 이차 전지용 양극 및 이를 포함하는 리튬 이차 전지 | |
CN101494285B (zh) | 复合负极活性材料、其制法及含该材料的负极和锂电池 | |
EP3121883B1 (en) | Electrode for non-aqueous electrolyte secondary battery | |
KR101701415B1 (ko) | 음극활물질, 그 제조방법 및 이를 채용한 음극과 리튬전지 | |
JP2024097693A (ja) | 正極活物質、正極活物質スラリー、正極、リチウムイオン二次電池、および正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: 20060913 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100309 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100607 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110301 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110531 |
|
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: 20110621 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110720 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140729 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4790402 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 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 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |