CN1846321A - 非水电解液蓄电池用负极材料、其制造方法、使用该负极材料的非水电解液蓄电池用负极及非水电解液蓄电池 - Google Patents
非水电解液蓄电池用负极材料、其制造方法、使用该负极材料的非水电解液蓄电池用负极及非水电解液蓄电池 Download PDFInfo
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- H01M10/00—Secondary cells; Manufacture thereof
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- H—ELECTRICITY
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- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
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Abstract
Description
项目 | 测定值 |
平均粒径(μm) | 20.3 |
纵横比 | 1.8 |
真比重 | 2.24 |
体积密度(kg/m3) | 650 |
面间距(d002)(nm) | 0.335 |
比表面积(m2/g) | 3.5 |
细孔容积(cm3/kg) | 860 |
拉曼光谱尖峰强度比(I 1580/I 1350) | 0.11 |
浆液粘度(Pa·s) | 3.56 |
项目 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 比较例1 | 比较例2 | 比较例3 |
表层含碳率 | 0.01 | 0.005 | 0.003 | 0.001 | 0 | 0.03 | 0.0005 |
平均粒径(μm) | 21.3 | 21.0 | 21.0 | 20.8 | 20.3 | 21.5 | 20.3 |
纵横比 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
真比重 | 2.24 | 2.24 | 2.24 | 2.24 | 2.24 | 2.22 | 2.24 |
体积密度(kg/m3) | 880 | 860 | 840 | 810 | 750 | 910 | 770 |
比表面积(m2/g) | 2.7 | 2.8 | 2.9 | 3.1 | 3.5 | 2.5 | 3.3 |
R值 | 0.17 | 0.15 | 0.14 | 0.12 | 0.09 | 0.24 | 0.11 |
浆液粘度(Pa·s) | 1.20 | 1.83 | 2.20 | 2.91 | 3.56 | 0.7 | 3.4 |
施加33MPa时的体积密度(kg/m3) | 1920 | 1940 | 1960 | 1980 | 1990 | 1890 | 1990 |
压力解除时的体积密度变化率 | 0.260 | 0.216 | 0.212 | 0.185 | 0.154 | 0.363 | 0.165 |
项目 | 条件 | |
电池 | 2极(对极:金属锂) | |
试样重量 | 8mg | |
电极面积 | 2.5cm2 | |
粘合剂 | 聚偏氟乙烯(吴羽化学公司制#1120)10重量% | |
电极复材浆液调制溶剂 | N-甲基-2-吡咯烷酮 | |
干燥条件 | 110℃,5小时,大气中 | |
电解液 | 1M LiPF6,碳酸亚乙酯/甲基乙基碳酸酯(1/1) | |
测定充放电容量、充放电效率 | 充电条件 | 恒电流充电0.2mA恒电压充电0V(Li/Li+)、截断电流0.02mA |
放电条件 | 电流0.2mA截断电压1.5V(Li/Li+) | |
测定充电负载特性 | 测定方法:①在充放电容量测定条件下,充放电两个循环。②恒电流充电0.2mA,0V(Li/Li+)截断,放电0.2mA,1.5V(Li/Li+)截断。③恒电流充电1.5mA,0V(Li/Li+)截断,放电0.2mA,1.5V(Li/Li+)截断。充电负载特性(%)=[恒电流(1.5mA)充电容量/恒电流(0.2mA)充电容量]×100 |
项目 | 实施例1 | 实施例2 | 实施例3 | 实施例4 | 比较例1 | 比较例2 | 比较例3 | |
表层含碳率 | 0.01 | 0.005 | 0.003 | 0.001 | 0 | 0.03 | 0.0005 | |
初次 | 放电容量(Ah/kg) | 361 | 360 | 362 | 361 | 363 | 358 | 360 |
充放电效率(%) | 90.9 | 90.8 | 91.1 | 91.0 | 91.0 | 90.5 | 91.0 | |
充电负载特性(%) | 41 | 41 | 40 | 32 | 28 | 42 | 30 |
项目 | 实施例5 | 实施例6 | 实施例7 | 比较例4 | 比较例5 |
表层含碳率 | 0.01 | 0.005 | 0.002 | 0.03 | 0.0005 |
平均粒径(μm) | 23.5 | 23.0 | 23.2 | 24.0 | 22.5 |
纵横比 | 1.8 | 1.8 | 1.8 | 1.8 | 1.8 |
真比重 | 2.24 | 2.24 | 2.24 | 2.22 | 2.24 |
体积密度(kg/m3) | 970 | 940 | 880 | 990 | 770 |
比表面积(m2/g) | 2.1 | 2.3 | 3.0 | 1.8 | 3.3 |
R值 | 0.15 | 0.14 | 0.12 | 0.22 | 0.10 |
浆液粘度(Pa·s) | 0.71 | 1.20 | 1.61 | 0.52 | 3.40 |
施加33MPa时的体积密度(kg/m3) | 1890 | 1870 | 1990 | 1860 | 1990 |
压力解除时的体积密度变化率 | 0.247 | 0.237 | 0.213 | 0.379 | 0.192 |
项目 | 实施例5 | 实施例6 | 实施例7 | 比较例4 | 比较例5 | |
表层含碳率 | 0.01 | 0.005 | 0.002 | 0.03 | 0.0005 | |
初次 | 放电容量(Ah/kg) | 358 | 360 | 360 | 357 | 360 |
充放电效率(%) | 90.5 | 90.6 | 90.4 | 89.8 | 90.4 | |
充电负载特性(%) | 39 | 41 | 35 | 41 | 31 |
Claims (7)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP314675/2003 | 2003-09-05 | ||
JP2003314675 | 2003-09-05 |
Publications (2)
Publication Number | Publication Date |
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CN1846321A true CN1846321A (zh) | 2006-10-11 |
CN100448075C CN100448075C (zh) | 2008-12-31 |
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Application Number | Title | Priority Date | Filing Date |
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CNB2004800250707A Active CN100448075C (zh) | 2003-09-05 | 2004-09-02 | 非水电解液蓄电池用负极材料、其制造方法、使用该负极材料的非水电解液蓄电池用负极及非水电解液蓄电池 |
Country Status (7)
Country | Link |
---|---|
US (1) | US7947394B2 (zh) |
EP (1) | EP1681738B1 (zh) |
JP (1) | JP4866611B2 (zh) |
KR (2) | KR20120045053A (zh) |
CN (1) | CN100448075C (zh) |
TW (1) | TW200520290A (zh) |
WO (1) | WO2005024980A1 (zh) |
Cited By (3)
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CN102057524A (zh) * | 2008-04-10 | 2011-05-11 | 浦项化工技术公司 | 二次电池的负极活性材料以及包含该负极活性材料的电极和二次电池 |
TWI609518B (zh) * | 2013-12-09 | 2017-12-21 | Lg化學股份有限公司 | 分散性經改善之淤漿及其用途 |
CN108933276A (zh) * | 2017-05-29 | 2018-12-04 | Sk新技术株式会社 | 锂二次电池 |
Families Citing this family (18)
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JP2007294374A (ja) * | 2006-03-31 | 2007-11-08 | Hitachi Chem Co Ltd | 非水電解液二次電池用負極材、該負極材を用いた非水電解液二次電池用負極および非水電解液二次電池 |
US8648009B2 (en) * | 2006-04-27 | 2014-02-11 | The Penn State Research Foundation | Method for the synthesis of porous carbon materials |
EP2128086A4 (en) * | 2007-01-31 | 2012-01-25 | Chuo Denki Kogyo Co Ltd | CARBON MATERIAL AND PROCESS FOR MANUFACTURING CARBON MATERIAL |
JP5731732B2 (ja) * | 2007-10-17 | 2015-06-10 | 日立化成株式会社 | リチウムイオン二次電池用炭素被覆黒鉛負極材、その製造方法、該負極材を用いたリチウムイオン二次電池用負極及びリチウムイオン二次電池 |
KR100938058B1 (ko) * | 2007-10-23 | 2010-01-21 | 삼성에스디아이 주식회사 | 리튬 이차전지용 음극 및 이를 이용한 리튬 이차 전지 |
JP5463772B2 (ja) * | 2008-07-30 | 2014-04-09 | 住友化学株式会社 | ナトリウム二次電池 |
JP4803240B2 (ja) * | 2008-11-26 | 2011-10-26 | ソニー株式会社 | 非水電解質二次電池 |
WO2010137862A2 (ko) * | 2009-05-26 | 2010-12-02 | 주식회사 엘지화학 | 고에너지 밀도 리튬이차전지 |
WO2012077929A2 (ko) * | 2010-12-08 | 2012-06-14 | 주식회사 엘지화학 | 음극 활물질 및 이를 이용한 이차전지 |
KR102032104B1 (ko) * | 2010-12-10 | 2019-10-15 | 히타치가세이가부시끼가이샤 | 리튬 이온 이차 전지용 부극재 및 그 제조 방법, 리튬 이온 이차 전지용 부극, 그리고 리튬 이온 이차 전지 |
JP6218348B2 (ja) * | 2010-12-10 | 2017-10-25 | 日立化成株式会社 | リチウムイオン二次電池、及びその製造方法 |
JP5892420B2 (ja) * | 2012-01-18 | 2016-03-23 | 日産自動車株式会社 | 電気デバイス用電極、電気デバイス用電極の製造方法、電気デバイス用電極構造体及び電気デバイス |
JP5953249B2 (ja) * | 2012-03-16 | 2016-07-20 | Jfeケミカル株式会社 | 複合黒鉛質粒子およびリチウムイオン二次電池におけるその用途 |
KR101535199B1 (ko) | 2012-11-30 | 2015-07-09 | 주식회사 엘지화학 | 개선된 분산성을 갖는 슬러리 및 그의 용도 |
JP5986035B2 (ja) * | 2013-02-05 | 2016-09-06 | Jfeケミカル株式会社 | リチウムイオン二次電池負極用材料およびその製造方法、リチウムイオン二次電池負極ならびにリチウムイオン二次電池 |
JP6681014B2 (ja) * | 2015-05-29 | 2020-04-15 | 株式会社Gsユアサ | 蓄電素子 |
JP6705322B2 (ja) * | 2016-07-21 | 2020-06-03 | 住友電気工業株式会社 | 電気部品用リード線及び電気部品 |
JP7272350B2 (ja) * | 2018-03-28 | 2023-05-12 | 株式会社レゾナック | リチウムイオン二次電池用負極材、リチウムイオン二次電池用負極材スラリー、リチウムイオン二次電池用負極、及びリチウムイオン二次電池 |
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JPS6223433A (ja) | 1985-07-24 | 1987-01-31 | Kashima Eng Kk | 触媒抜出用アンロ−ダ |
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JP3285520B2 (ja) | 1996-08-08 | 2002-05-27 | 日立化成工業株式会社 | 黒鉛粒子、黒鉛粒子の製造法、黒鉛粒子を用いた黒鉛ペースト、リチウム二次電池用負極及びリチウム二次電池 |
WO1998006679A1 (en) * | 1996-08-08 | 1998-02-19 | Hitachi Chemical Company, Ltd. | Graphite particles and lithium secondary cell using them as cathode material |
JP3305995B2 (ja) * | 1996-12-26 | 2002-07-24 | 日立化成工業株式会社 | リチウム二次電池負極用黒鉛粒子 |
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JP2002222650A (ja) * | 2001-01-25 | 2002-08-09 | Hitachi Chem Co Ltd | 非水電解液二次電池負極用黒鉛質粒子及びその製造法、非水電解液二次電池負極並びに非水電解液二次電池 |
JP2003272625A (ja) * | 2002-03-15 | 2003-09-26 | Sanyo Electric Co Ltd | 非水電解質二次電池 |
JP2003314675A (ja) | 2002-04-19 | 2003-11-06 | Mazda Motor Corp | 無段変速機の変速制御装置及びそのコンピュータ・プログラム |
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- 2004-09-02 WO PCT/JP2004/012726 patent/WO2005024980A1/ja active Search and Examination
- 2004-09-02 JP JP2005513660A patent/JP4866611B2/ja active Active
- 2004-09-02 KR KR1020127006949A patent/KR20120045053A/ko not_active Application Discontinuation
- 2004-09-02 KR KR1020067004313A patent/KR101181623B1/ko active IP Right Grant
- 2004-09-02 EP EP04772680.7A patent/EP1681738B1/en active Active
- 2004-09-02 US US10/570,349 patent/US7947394B2/en active Active
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102057524A (zh) * | 2008-04-10 | 2011-05-11 | 浦项化工技术公司 | 二次电池的负极活性材料以及包含该负极活性材料的电极和二次电池 |
TWI609518B (zh) * | 2013-12-09 | 2017-12-21 | Lg化學股份有限公司 | 分散性經改善之淤漿及其用途 |
CN108933276A (zh) * | 2017-05-29 | 2018-12-04 | Sk新技术株式会社 | 锂二次电池 |
CN108933276B (zh) * | 2017-05-29 | 2024-01-02 | Sk新能源株式会社 | 锂二次电池 |
Also Published As
Publication number | Publication date |
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JP4866611B2 (ja) | 2012-02-01 |
EP1681738B1 (en) | 2017-03-08 |
EP1681738A4 (en) | 2010-02-24 |
KR101181623B1 (ko) | 2012-09-10 |
KR20060084430A (ko) | 2006-07-24 |
WO2005024980A1 (ja) | 2005-03-17 |
TW200520290A (en) | 2005-06-16 |
EP1681738A1 (en) | 2006-07-19 |
JPWO2005024980A1 (ja) | 2008-06-12 |
US7947394B2 (en) | 2011-05-24 |
KR20120045053A (ko) | 2012-05-08 |
US20070015056A1 (en) | 2007-01-18 |
TWI354392B (zh) | 2011-12-11 |
CN100448075C (zh) | 2008-12-31 |
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