JP5220080B2 - 高電圧リチウム二次電池用正極及びこれを含む高電圧リチウム二次電池 - Google Patents
高電圧リチウム二次電池用正極及びこれを含む高電圧リチウム二次電池 Download PDFInfo
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- JP5220080B2 JP5220080B2 JP2010236385A JP2010236385A JP5220080B2 JP 5220080 B2 JP5220080 B2 JP 5220080B2 JP 2010236385 A JP2010236385 A JP 2010236385A JP 2010236385 A JP2010236385 A JP 2010236385A JP 5220080 B2 JP5220080 B2 JP 5220080B2
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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
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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
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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- H—ELECTRICITY
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- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/042—Electrodes or formation of dielectric layers thereon characterised by the material
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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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
- 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
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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
- H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
- H01M4/624—Electric conductive fillers
- H01M4/625—Carbon or graphite
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2002/00—Crystal-structural characteristics
- C01P2002/70—Crystal-structural characteristics defined by measured X-ray, neutron or electron diffraction data
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- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
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- C01P2006/11—Powder tap density
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M2010/4292—Aspects relating to capacity ratio of electrodes/electrolyte or anode/cathode
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- 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
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- Microelectronics & Electronic Packaging (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
Description
[化学式1]
Lix1Vy1Md1O2+e1
(前記化学式1において、1≦x1≦2.5、0.5≦y1≦1.5、0≦d1≦0.5、0≦e1≦0.5であり、MはMg、Al、Cr、Mo、Ti、W、Zr、Si、Sc、Cu、Nb、Y、またはこれらの組み合わせである。)
[化学式2]
Lix2M’y2V2−y2O6−Z2
(前記化学式2において、0≦x2≦1.2、0≦y2≦2、−2≦Z2≦2、M’はMo、Mn、Co、Niまたは、これらの組み合わせである。)
[化学式3]
Lix3Tiy3−Z3M”Z3O4−Z4
(前記化学式3において、0.6≦x3≦2.5、1.2≦y3≦2.3、0≦Z3≦0.5、0≦Z4≦0.5であり、M”はV、Cr、Nb、Fe、Ni、Co、Mn、W、Al、Ga、またはこれらの組み合わせである。)
メソフェーズカーボンマイクロビーズ(MCMB)人造黒鉛(2800℃熱処理して製造)を酸と混合した。
LiCoO2正極活物質、前記実施例1で製造されたキャパシター反応炭素材、カーボンブラック導電材及びN−メチルピロリドン溶媒に溶解したフッ化ポリビニリデンバインダーを添加して活物質スラリーを製造した。この時の活物質とキャパシター反応炭素材の混合重量、導電材重量及びバインダーの重量は85重量%、5重量%及び10重量%にして、前記活物質とキャパシター反応炭素材の混合比率は80:20重量比にした。
前記活物質とキャパシター反応炭素材の混合比を20:80重量比に変更したことを除いては、前記実施例2と同様に行った。
(比較例1)
前記実施例1で製造されたキャパシター反応炭素材の代わりに層間距離が0.336nmの膨張黒鉛を用いた正極を使ったことを除いては、前記実施例2と同様に半電池を製造した。
Claims (9)
- 正極活物質、及び
比表面積が10m2/g〜100m2/gであるキャパシター反応炭素材を含み、
前記キャパシター反応炭素材は、(002)面におけるCuKα線を用いたX線回折測定時、2θ=23°±5.0°と2θ=26.5°±1.0°でピークが現れ、2θ=23°±5.0°で現れるピークの高さが2θ=26.5°±1.0°で現れるピークの高さに比べて高いことを特徴とする、高電圧リチウム二次電池用正極。 - 前記キャパシター反応炭素材は、2θ=26.5°±1.0°で現れるピークの高さ(b)と前記2θ=23°±5.0°で現れるピークの高さ(a)との比(b/a)が0.1〜0.99であることを特徴とする、請求項1に記載の高電圧リチウム二次電池用正極。
- 前記キャパシター反応炭素材は、CuKα線を用いたX線回折測定時の層間距離d002が0.34nm以上0.8nm未満であることを特徴とする、請求項1に記載の高電圧リチウム二次電池用正極。
- 前記キャパシター反応炭素材は、タップ密度が0.5g/cc以上1.5g/cc以下であることを特徴とする、請求項1に記載の高電圧リチウム二次電池用正極。
- 前記正極活物質と前記キャパシター反応炭素材の混合比は99:1重量比〜50:50重量比であることを特徴とする、請求項1に記載の高電圧リチウム二次電池用正極。
- 前記キャパシター反応炭素材は、酸化処理及び熱処理により層間距離が調整された、天然黒鉛、人造黒鉛、メソフェーズカーボンマイクロビーズ、またはこれらの組み合わせであることを特徴とする、請求項1に記載の高電圧リチウム二次電池用正極。
- 前記高電圧リチウム二次電池は、4.5V以上の作動電圧を有することを特徴とする、請求項1に記載の高電圧リチウム二次電池用正極。
- 前記高電圧リチウム二次電池は、4.5V〜5.0Vの作動電圧を有することを特徴とする、請求項1に記載の高電圧リチウム二次電池用正極。
- 請求項1〜8のうちのいずれか一項に記載の正極、負極、及び電解質を含むことを特徴とする高電圧リチウム二次電池。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100063964A KR101181841B1 (ko) | 2010-07-02 | 2010-07-02 | 고전압 리튬 이차 전지용 양극 및 이를 포함하는 고전압 리튬 이차 전지 |
| KR10-2010-0063964 | 2010-07-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2012015086A JP2012015086A (ja) | 2012-01-19 |
| JP5220080B2 true JP5220080B2 (ja) | 2013-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2010236385A Active JP5220080B2 (ja) | 2010-07-02 | 2010-10-21 | 高電圧リチウム二次電池用正極及びこれを含む高電圧リチウム二次電池 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8852809B2 (ja) |
| EP (1) | EP2403045B1 (ja) |
| JP (1) | JP5220080B2 (ja) |
| KR (1) | KR101181841B1 (ja) |
| CN (1) | CN102315452B (ja) |
Families Citing this family (11)
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| KR101683197B1 (ko) * | 2012-04-30 | 2016-12-06 | 삼성에스디아이 주식회사 | 리튬 이차 전지용 전해액 및 이를 포함하는 리튬 이차 전지 |
| JP2014130717A (ja) | 2012-12-28 | 2014-07-10 | Ricoh Co Ltd | 非水電解液蓄電素子 |
| KR102195730B1 (ko) * | 2014-05-20 | 2020-12-28 | 삼성에스디아이 주식회사 | 전극 구조체 및 이를 채용한 리튬 전지 |
| US9672992B2 (en) * | 2015-01-30 | 2017-06-06 | Corning Incorporated | Coke sourced anode for lithium ion capacitor |
| CN108028178A (zh) * | 2015-09-29 | 2018-05-11 | 罗门哈斯电子材料有限责任公司 | 制备石墨碳薄片的方法 |
| US10950861B2 (en) * | 2017-02-13 | 2021-03-16 | Global Graphene Group, Inc. | Aluminum secondary battery having a high-capacity and high energy cathode and manufacturing method |
| US10651464B2 (en) * | 2017-02-13 | 2020-05-12 | Global Graphene Group, Inc. | Alkali metal-sulfur secondary battery containing a nano sulfur-loaded cathode and manufacturing method |
| CN110495023B (zh) * | 2017-04-13 | 2023-02-17 | 埃卡特有限公司 | ZnO纳米颗粒涂覆的剥离石墨复合材料,该复合材料的制备方法及其在锂离子电池组中的应用 |
| JP7425605B2 (ja) * | 2018-08-03 | 2024-01-31 | 積水化学工業株式会社 | 炭素材料及びその製造方法、蓄電デバイス用電極材料、並びに蓄電デバイス |
| KR20200028677A (ko) | 2018-09-07 | 2020-03-17 | 한국전기연구원 | 하이브리드 커패시터 양극 활물질 제조방법 및 이를 포함하는 하이브리드 커패시터 |
| CN115224256B (zh) * | 2022-07-11 | 2025-06-24 | 成都佰思格科技有限公司 | 一种膨胀石墨-银复合负极材料及其制备方法 |
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| JPS53123841A (en) * | 1977-04-05 | 1978-10-28 | Shirou Yoshizawa | Secondary battery |
| JP3223523B2 (ja) | 1991-05-30 | 2001-10-29 | 松下電器産業株式会社 | 非水電解液二次電池 |
| JP3199427B2 (ja) * | 1991-12-04 | 2001-08-20 | エフ・ディ−・ケイ株式会社 | リチウム二次電池 |
| JPH05251290A (ja) | 1992-03-07 | 1993-09-28 | Hitachi Aic Inc | ケース入りコンデンサ |
| JP4281099B2 (ja) * | 1999-03-24 | 2009-06-17 | 日立化成工業株式会社 | 金属炭素複合体粒子 |
| US6517972B1 (en) | 2000-09-29 | 2003-02-11 | Telcordia Technologies, Inc. | High energy density hybrid battery/supercapacitor system |
| JP2004071542A (ja) * | 2002-06-14 | 2004-03-04 | Japan Storage Battery Co Ltd | 負極活物質、それを用いた負極、それを用いた非水電解質電池、ならびに負極活物質の製造方法 |
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| US20090214954A1 (en) | 2004-08-30 | 2009-08-27 | Mitsubishi Chemical Corporation | Negative electrode material for nonaqueous secondary cells, negative electrode for nonaqueous secondary cells, and nonaqueous secondary cell |
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| US20090023072A1 (en) | 2006-03-02 | 2009-01-22 | Cataler Corporation | Carbon-Material for Lithium Battery and Lithium Battery |
| JP2008034215A (ja) * | 2006-07-28 | 2008-02-14 | Hitachi 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 |
| KR100834053B1 (ko) | 2006-09-29 | 2008-06-02 | 한양대학교 산학협력단 | 양극, 이를 포함하는 리튬 이차 전지, 및 이를 포함하는 하이브리드 커패시터 |
| JPWO2008088050A1 (ja) * | 2007-01-19 | 2010-05-13 | ステラケミファ株式会社 | 蓄電素子 |
| JP5052145B2 (ja) | 2007-01-24 | 2012-10-17 | トヨタ自動車株式会社 | リチウムイオン二次電池の製造方法 |
| JP5201313B2 (ja) * | 2007-03-30 | 2013-06-05 | 日本ゼオン株式会社 | 電気化学素子用電極およびその製造方法 |
| KR100914643B1 (ko) | 2007-09-13 | 2009-08-28 | 재단법인서울대학교산학협력재단 | 전기이중층 커패시터의 제조방법 |
| JP5396942B2 (ja) * | 2009-03-16 | 2014-01-22 | Tdk株式会社 | 活物質の製造方法、活物質、当該活物質を用いた電極、及び当該電極を備えたリチウムイオン二次電池 |
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2010
- 2010-07-02 KR KR1020100063964A patent/KR101181841B1/ko active Active
- 2010-10-21 JP JP2010236385A patent/JP5220080B2/ja active Active
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2011
- 2011-04-26 US US13/094,717 patent/US8852809B2/en active Active
- 2011-06-20 EP EP11170602.4A patent/EP2403045B1/en active Active
- 2011-06-24 CN CN201110174260.7A patent/CN102315452B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR20120003218A (ko) | 2012-01-10 |
| EP2403045A1 (en) | 2012-01-04 |
| CN102315452B (zh) | 2014-03-26 |
| JP2012015086A (ja) | 2012-01-19 |
| US8852809B2 (en) | 2014-10-07 |
| US20120003534A1 (en) | 2012-01-05 |
| KR101181841B1 (ko) | 2012-09-11 |
| EP2403045B1 (en) | 2017-11-01 |
| CN102315452A (zh) | 2012-01-11 |
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