JP2004241390A - カーボン化合物が吸着された正極活物質及びこれを採用したリチウム電池 - Google Patents
カーボン化合物が吸着された正極活物質及びこれを採用したリチウム電池 Download PDFInfo
- Publication number
- JP2004241390A JP2004241390A JP2004029806A JP2004029806A JP2004241390A JP 2004241390 A JP2004241390 A JP 2004241390A JP 2004029806 A JP2004029806 A JP 2004029806A JP 2004029806 A JP2004029806 A JP 2004029806A JP 2004241390 A JP2004241390 A JP 2004241390A
- Authority
- JP
- Japan
- Prior art keywords
- lithium
- positive electrode
- transition metal
- active material
- battery
- 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.)
- Granted
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
-
- 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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
-
- 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
- H01M4/04—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
- H01M4/131—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
- H01M4/133—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
- H01M4/136—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
- H01M4/1393—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
- H01M4/364—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
- H01M4/48—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
- H01M4/5825—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
- H01M4/62—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
- H01M4/621—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
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
-
- 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
Abstract
【解決手段】 遷移金属化合物1モルに対して1.0モル超過1.2モル以下のリチウム化合物を混合する段階と、前記混合物をCO2:O2の分圧比が1:0.001〜1:1,000の条件下で熱処理する段階とを含む方法で製造された正極活物質を利用して製造されたリチウム電池である。このリチウム電池は、放電容量特性およびサイクル特性を低下させずに過充電時に電流を遮断して、リチウム電池の安全性を向上させうる。
【選択図】 図2
Description
まず、電極は、LiCoO296wt%、結着剤としてPVDF2wt%及び電子の移動を改善するためのカーボン導電剤2wt%を混合し、これにN−メチルピロリドン(NMP)100ml及びセラミックボールを添加した後、この混合物を200mlのプラスチック瓶に入れて10時間よく攪拌した。そして、厚さ15μmのアルミニウム箔上に250μm間隔のドクターブレードでキャスティングをして正極極板を得た。これを約110℃のオーブンに入れて約12時間乾燥してNMPを完全に揮発させた後、これをまたロールプレスし、所定寸法に切断して厚さ95μmの正極極板を製造した。
炭酸リチウムと炭酸コバルトとを1.05:1のモル比で混合し、950℃、CO2/O2の分圧比=1:1の雰囲気下で熱処理して正極活物質のLiCoO2を製造した。
炭酸リチウムと炭酸コバルトとを1.02:1のモル比で混合して950℃、CO2/O2の分圧比=1:2の雰囲気下で熱処理して正極活物質であるLiCoO2を製造した。前記過程によって製造されたLiCoO2を利用して前述した方法によってリチウム2次電池を製造した。
水酸化リチウムと炭酸コバルトとを1.01:1のモル比で混合して900℃、CO2/O2の分圧比=1:1の雰囲気下で熱処理して正極活物質であるLiCoO2を製造した。前記過程によって製造されたLiCoO2を利用して前述した方法によってリチウム2次電池を製造した。
炭酸リチウムと炭酸コバルトとを1.03:1のモル比で混合して950℃、CO2/O2の分圧比=1:1の雰囲気下で熱処理して正極活物質であるLiCoO2を製造した。前記過程によって製造されたLiCoO2を利用して前述した方法によって1800mAh級の円筒形リチウム2次電池を製造した。
水酸化リチウムと炭酸コバルトとを1:1のモル比で混合して、900℃、O2の雰囲気下で熱処理してLiCoO2を製造した。前記過程によって製造されたLiCoO2を利用して前述した方法によって1800mAh級の円筒形リチウム2次電池を製造した。また、実施例4と同じ条件で、この1800mAh級の円筒形リチウム2次電池の過充電実験を行った。
炭酸リチウムと炭酸コバルトとを1.3:1のモル比で混合して、950℃、CO2/O2の分圧比=1:1の雰囲気で熱処理してLiCoO2を製造した。前記過程によって製造されたLiCoO2を利用して前述した方法によって1800mAh級の円筒形リチウム2次電池を製造した。
Claims (9)
- カーボン含量が10〜1,000ppmであるカーボン化合物が吸着されてなるリチウム遷移金属複合酸化物を含む正極活物質。
- 前記リチウム遷移金属複合酸化物がLiNiO2、LiCoO2、LiMn2O4、LiFePO4、LiNixCo1−xO2(0<x<1)及びLiNi1−x−yCoxMnyO2(0<x<1,0<y<1,0<x+y<1)よりなる群から選択された何れか一つ以上の酸化物であることを特徴とする請求項1に記載の正極活物質。
- 前記カーボン化合物の比表面積は、10〜5000m2/gであることを特徴とする請求項1に記載の正極活物質。
- 前記カーボン化合物は、CO、CO2、Li2CO3よりなる群から選択された何れか一つ以上であることを特徴とする請求項1に記載の正極活物質。
- 請求項1に記載の正極活物質の製造方法として、
遷移金属化合物1モルに対して1.0モル超過1.2モル以下のリチウム化合物を混合する段階と、
前記混合物をCO2:O2の分圧比が1:0.001〜1:1,000の雰囲気下で熱処理する段階と、を含む正極活物質の製造方法。 - 前記熱処理温度は、600〜1000℃であることを特徴とする請求項5に記載の正極活物質の製造方法。
- 前記リチウム化合物が炭酸リチウム、水酸化リチウム、硝酸リチウム、硫酸リチウム、酢酸リチウムまたは酸化リチウムであることを特徴とする請求項5または6に記載の正極活物質の製造方法。
- 前記遷移金属化合物が、遷移金属カーボネート、遷移金属水酸化物、遷移金属窒化物、遷移金属硫化物、遷移金属アセテートまたは遷移金属酸化物であることを特徴とする請求項5〜7のいずれかに記載の正極活物質の製造方法。
- 請求項1〜4のうち何れか一項に記載の正極活物質を含む正極と、
リチウムイオンの挿入/脱離が可能な炭素材料を含む負極と、
前記正極と前記負極との間に介在されたセパレータと、
非水系溶媒に電解質が溶解された電解液と、
電池内圧の上昇によって作動される電池内部の電流遮断手段と、を含むリチウム電池。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0007759A KR100490549B1 (ko) | 2003-02-07 | 2003-02-07 | 카본 화합물이 흡착된 정극 활물질 및 이를 채용한 리튬전지 |
KR2003-007759 | 2003-02-07 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004241390A true JP2004241390A (ja) | 2004-08-26 |
JP4995409B2 JP4995409B2 (ja) | 2012-08-08 |
Family
ID=32822658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004029806A Expired - Lifetime JP4995409B2 (ja) | 2003-02-07 | 2004-02-05 | カーボン化合物が吸着された正極活物質及びこれを採用したリチウム電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US7314683B2 (ja) |
JP (1) | JP4995409B2 (ja) |
KR (1) | KR100490549B1 (ja) |
CN (1) | CN1274043C (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006066081A (ja) * | 2004-08-24 | 2006-03-09 | Nissan Motor Co Ltd | 非水電解質リチウムイオン二次電池用正極材料およびその製造方法 |
JP2006306650A (ja) * | 2005-04-27 | 2006-11-09 | Sony Corp | 物質およびそれを用いた電池 |
JP2012126633A (ja) * | 2009-12-28 | 2012-07-05 | Sumitomo Chemical Co Ltd | リチウム複合金属酸化物の製造方法 |
JP2020161487A (ja) * | 2014-03-07 | 2020-10-01 | エー123 システムズ エルエルシーA123 Systems LLC | 結晶質スフェニシダイト物質、方法、電極物質、及び電気化学的電池 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8715860B2 (en) * | 2004-03-03 | 2014-05-06 | Sanyo Electric Co., Ltd. | Non-aqueous electrolyte battery |
KR100826074B1 (ko) * | 2005-11-17 | 2008-04-29 | 주식회사 엘지화학 | 과방전 방지용 전극 첨가제 및 이의 제조 방법 |
US8993138B2 (en) * | 2008-10-02 | 2015-03-31 | Samsung Sdi Co., Ltd. | Rechargeable battery |
KR101243941B1 (ko) * | 2010-01-25 | 2013-03-13 | 한국전기연구원 | 리튬 이차전지용 양극 활물질, 그 제조방법 및 이를 이용한 리튬 이차전지 |
US8202640B2 (en) * | 2010-02-24 | 2012-06-19 | Balachov Consulting, Llc | Rapidly rechargeable battery |
KR101084076B1 (ko) | 2010-05-06 | 2011-11-16 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 양극 활물질 및 이를 포함하는 리튬 이차 전지 |
KR20130049517A (ko) * | 2011-11-04 | 2013-05-14 | 제이에이치화학공업(주) | 리튬 이차전지용 양극 활물질의 제조 방법 |
US9748561B2 (en) | 2013-03-08 | 2017-08-29 | Samsung Electronics Co., Ltd. | Methods of forming carbon coatings |
KR102124052B1 (ko) | 2013-10-18 | 2020-06-17 | 삼성전자주식회사 | 양극 활물질, 그 제조방법 및 이를 포함한 양극을 구비한 리튬 전지 |
WO2017126918A1 (ko) * | 2016-01-19 | 2017-07-27 | 주식회사 엘지화학 | 전극조립체 및 이의 제조방법 |
US10581109B2 (en) | 2017-03-30 | 2020-03-03 | International Business Machines Corporation | Fabrication method of all solid-state thin-film battery |
US10622680B2 (en) | 2017-04-06 | 2020-04-14 | International Business Machines Corporation | High charge rate, large capacity, solid-state battery |
CN116544615A (zh) * | 2023-07-03 | 2023-08-04 | 宁德时代新能源科技股份有限公司 | 隔离膜、锂二次电池和用电装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07245105A (ja) * | 1994-03-04 | 1995-09-19 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池とその正極活物質 |
JPH09153360A (ja) * | 1994-11-22 | 1997-06-10 | Sumitomo Chem Co Ltd | リチウム二次電池用正極とその製造方法およびリチウム二次電池 |
JPH11167919A (ja) * | 1997-12-05 | 1999-06-22 | Nikki Chemcal Co Ltd | 高安定性リチウムイオン二次電池用正極材、製造方法およびその用途 |
JP2000306581A (ja) * | 1999-04-21 | 2000-11-02 | Dowa Mining Co Ltd | 非水二次電池用正極活物質、その製造方法、およびそれを用いた非水二次電池 |
JP2002348121A (ja) * | 2001-05-30 | 2002-12-04 | Mitsubishi Chemicals Corp | リチウムニッケル複合酸化物の製造方法 |
JP2004119110A (ja) * | 2002-09-25 | 2004-04-15 | Toyota Motor Corp | リチウムイオン二次電池用正極活物質及びその製造方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0536425B2 (en) | 1991-04-26 | 2000-12-20 | Sony Corporation | Nonaqueous electrolyte secondary battery |
US5707756A (en) * | 1994-11-29 | 1998-01-13 | Fuji Photo Film Co., Ltd. | Non-aqueous secondary battery |
JP3769871B2 (ja) * | 1997-04-25 | 2006-04-26 | ソニー株式会社 | 正極活物質の製造方法 |
US6692873B1 (en) * | 1999-08-05 | 2004-02-17 | Skc Co., Ltd. | Composition for forming electrode active material of lithium secondary battery, composition for forming separator and method of preparing lithium secondary battery using the compositions |
US6753112B2 (en) | 2000-12-27 | 2004-06-22 | Kabushiki Kaisha Toshiba | Positive electrode active material and non-aqueous secondary battery using the same |
JP2003015115A (ja) | 2001-07-04 | 2003-01-15 | Kawaguchiko Seimitsu Co Ltd | 高分子分散液晶表示素子 |
-
2003
- 2003-02-07 KR KR10-2003-0007759A patent/KR100490549B1/ko active IP Right Grant
-
2004
- 2004-01-14 CN CNB200410001811XA patent/CN1274043C/zh not_active Expired - Lifetime
- 2004-02-05 JP JP2004029806A patent/JP4995409B2/ja not_active Expired - Lifetime
- 2004-02-06 US US10/772,290 patent/US7314683B2/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07245105A (ja) * | 1994-03-04 | 1995-09-19 | Matsushita Electric Ind Co Ltd | 非水電解液二次電池とその正極活物質 |
JPH09153360A (ja) * | 1994-11-22 | 1997-06-10 | Sumitomo Chem Co Ltd | リチウム二次電池用正極とその製造方法およびリチウム二次電池 |
JPH11167919A (ja) * | 1997-12-05 | 1999-06-22 | Nikki Chemcal Co Ltd | 高安定性リチウムイオン二次電池用正極材、製造方法およびその用途 |
JP2000306581A (ja) * | 1999-04-21 | 2000-11-02 | Dowa Mining Co Ltd | 非水二次電池用正極活物質、その製造方法、およびそれを用いた非水二次電池 |
JP2002348121A (ja) * | 2001-05-30 | 2002-12-04 | Mitsubishi Chemicals Corp | リチウムニッケル複合酸化物の製造方法 |
JP2004119110A (ja) * | 2002-09-25 | 2004-04-15 | Toyota Motor Corp | リチウムイオン二次電池用正極活物質及びその製造方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006066081A (ja) * | 2004-08-24 | 2006-03-09 | Nissan Motor Co Ltd | 非水電解質リチウムイオン二次電池用正極材料およびその製造方法 |
JP2006306650A (ja) * | 2005-04-27 | 2006-11-09 | Sony Corp | 物質およびそれを用いた電池 |
JP2012126633A (ja) * | 2009-12-28 | 2012-07-05 | Sumitomo Chemical Co Ltd | リチウム複合金属酸化物の製造方法 |
JP2020161487A (ja) * | 2014-03-07 | 2020-10-01 | エー123 システムズ エルエルシーA123 Systems LLC | 結晶質スフェニシダイト物質、方法、電極物質、及び電気化学的電池 |
JP7293167B2 (ja) | 2014-03-07 | 2023-06-19 | エー123 システムズ エルエルシー | 結晶質スフェニシダイト物質、方法、電極物質、及び電気化学的電池 |
Also Published As
Publication number | Publication date |
---|---|
CN1274043C (zh) | 2006-09-06 |
CN1519966A (zh) | 2004-08-11 |
JP4995409B2 (ja) | 2012-08-08 |
KR100490549B1 (ko) | 2005-05-17 |
US7314683B2 (en) | 2008-01-01 |
KR20040071852A (ko) | 2004-08-16 |
US20040157127A1 (en) | 2004-08-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102140129B1 (ko) | 메쉬 형태의 절연층을 포함하는 리튬 이차전지용 음극 및 이를 포함하는 리튬 이차전지 | |
JP4637592B2 (ja) | リチウム二次電池用のカソード活物質及びこれを利用したリチウム二次電池 | |
US20020150820A1 (en) | Positive electrode active material and lithium ion secondary battery | |
KR20080031151A (ko) | 비수전해질 2차 전지 및 그의 제조방법 | |
JP4995409B2 (ja) | カーボン化合物が吸着された正極活物質及びこれを採用したリチウム電池 | |
CN105990599B (zh) | 非水电解质二次电池 | |
WO2007007542A1 (ja) | リチウムイオン二次電池 | |
JP2007053083A (ja) | 非水電解質二次電池及びその製造方法 | |
KR20190041420A (ko) | 리튬 이차전지용 양극 활물질, 이의 제조방법, 이를 포함하는 리튬 이차전지용 양극 및 리튬 이차전지 | |
JP2010135329A (ja) | カソード及びこれを採用したリチウム電池 | |
US20090325064A1 (en) | Electrode assembly and lithium secondary battery having the same | |
JP6011785B2 (ja) | 非水電解質二次電池用正極活物質およびその製造方法 | |
JP2006244991A (ja) | 非水二次電池用負極 | |
KR20190054976A (ko) | 리튬 코발트계 양극 활물질, 그 제조방법, 이를 포함하는 양극 및 이차 전지 | |
CN114730883A (zh) | 一种负极复合材料及其应用 | |
US20180198120A1 (en) | Lithium secondary battery | |
JP2013118069A (ja) | リチウム二次電池 | |
CN114094072B (zh) | 一种锂过渡金属复合氧化物、电化学装置和电子装置 | |
JP2008159560A (ja) | 正極活物質の製造方法 | |
KR20190073758A (ko) | 흑연 물질의 정제 방법 및 흑연 물질 | |
JP2022095988A (ja) | 非水系電解質二次電池用正極活物質、および非水系電解質二次電池 | |
JP2013118067A (ja) | リチウム二次電池 | |
CN114497498B (zh) | 电化学装置和电子装置 | |
JP3530174B2 (ja) | 正極活物質及びリチウムイオン二次電池 | |
KR20190054977A (ko) | 리튬 코발트계 양극 활물질, 그 제조방법, 이를 포함하는 양극 및 이차 전지 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20061127 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100316 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100615 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20110517 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110810 |
|
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: 20120417 |
|
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: 20120510 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20150518 Year of fee payment: 3 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4995409 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 |