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1. 发明授权

US07858232B2 Non-aqueous electrolyte secondary battery 有权
标题翻译：非水电解质二次电池
公开(公告)号：US07858232B2
公开(公告)日：2010-12-28
申请号：US11269743
申请日：2005-11-09
申请人： Yasuhiko Bito , Toshitada Sato , Teruaki Yamamoto , Tomohiro Ueda
发明人： Yasuhiko Bito , Toshitada Sato , Teruaki Yamamoto , Tomohiro Ueda
IPC分类号： H01M4/58
CPC分类号： H01M10/052 , H01M2/0222 , H01M4/134 , H01M4/38 , H01M4/386 , H01M10/058 , H01M2004/021
摘要： A non-aqueous electrolyte secondary battery that has a high electrical capacity and exhibits excellent cycle characteristics even when the battery is rapidly charged and discharged at a large current includes: a positive electrode capable of reversibly absorbing and desorbing Li; a negative electrode; and a non-aqueous electrolyte. The negative electrode includes an alloying material that is capable of electrochemically absorbing and desorbing Li, and includes an A phase composed mainly of Si and a B phase including an intermetallic compound of at least one transition metal element and Si. The transition metal element is selected from the group consisting of Ti, Zr, Ni, Cu, and Fe. At least one of the A phase and the B phase includes a microcrystalline or amorphous region. The weight percent of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%.
摘要翻译：即使电池以大电流快速充放电，具有高电容且显示优异的循环特性的非水电解质二次电池包括：能够可逆地吸收和解吸Li的正极; 负极; 和非水电解质。负极包括能够电化学吸收和解吸Li的合金材料，并且包括主要由Si和包含至少一种过渡金属元素和Si的金属间化合物的B相组成的A相。过渡金属元素选自Ti，Zr，Ni，Cu和Fe。 A相和B相中的至少一个包括微晶或非晶区。 A相的相对于A相和B相的总重量的重量百分比大于40％且不大于95％。

2. 发明申请

US20060102473A1 Non-aqueous electrolyte secondary battery 有权
标题翻译：非水电解质二次电池
公开(公告)号：US20060102473A1
公开(公告)日：2006-05-18
申请号：US11269743
申请日：2005-11-09
申请人： Yasuhiko Bito , Toshitada Sato , Teruaki Yamamoto , Tomohiro Ueda
发明人： Yasuhiko Bito , Toshitada Sato , Teruaki Yamamoto , Tomohiro Ueda
IPC分类号： C25B11/04
CPC分类号： H01M10/052 , H01M2/0222 , H01M4/134 , H01M4/38 , H01M4/386 , H01M10/058 , H01M2004/021
摘要： A non-aqueous electrolyte secondary battery that has a high electrical capacity and exhibits excellent cycle characteristics even when the battery is rapidly charged and discharged at a large current includes: a positive electrode capable of reversibly absorbing and desorbing Li; a negative electrode; and a non-aqueous electrolyte. The negative electrode includes an alloying material that is capable of electrochemically absorbing and desorbing Li, and includes an A phase composed mainly of Si and a B phase including an intermetallic compound of at least one transition metal element and Si. The transition metal element is selected from the group consisting of Ti, Zr, Ni, Cu, and Fe. At least one of the A phase and the B phase includes a microcrystalline or amorphous region. The weight percent of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%.
摘要翻译：即使电池以大电流快速充放电，具有高电容且显示优异的循环特性的非水电解质二次电池包括：能够可逆地吸收和解吸Li的正极; 负极; 和非水电解质。负极包括能够电化学吸收和解吸Li的合金材料，并且包括主要由Si和包含至少一种过渡金属元素和Si的金属间化合物的B相组成的A相。过渡金属元素选自Ti，Zr，Ni，Cu和Fe。 A相和B相中的至少一个包括微晶或非晶区。 A相的相对于A相和B相的总重量的重量百分比大于40％且不大于95％。

3. 发明申请

US20060102472A1 Non-aqueous electrolyte secondary battery 有权
标题翻译：非水电解质二次电池
公开(公告)号：US20060102472A1
公开(公告)日：2006-05-18
申请号：US11174664
申请日：2005-07-06
申请人： Yasuhiko Bito , Toshitada Sato , Teruaki Yamamoto
发明人： Yasuhiko Bito , Toshitada Sato , Teruaki Yamamoto
IPC分类号： C25B11/04
CPC分类号： H01M10/052 , H01M2/0222 , H01M4/134 , H01M4/38 , H01M4/386 , H01M10/058 , H01M2004/021
摘要： A non-aqueous electrolyte secondary battery that has a high electrical capacity and exhibits excellent cycle characteristics even when the battery is rapidly charged and discharged at a large current includes: a positive electrode capable of reversibly absorbing and desorbing Li; a negative electrode; and a non-aqueous electrolyte. The negative electrode includes an alloying material that is capable of electrochemically absorbing and desorbing Li, and includes an A phase composed mainly of Si and a B phase including an intermetallic compound of at least one transition metal element and Si. The transition metal element is selected from the group consisting of Ti, Zr, Ni, Cu, and Fe. The A phase and/or the B phase includes a microcrystalline or amorphous region. The weight percent of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%.
摘要翻译：即使电池以大电流快速充放电，具有高电容且显示优异的循环特性的非水电解质二次电池包括：能够可逆地吸收和解吸Li的正极; 负极; 和非水电解质。负极包括能够电化学吸收和解吸Li的合金材料，并且包括主要由Si和包含至少一种过渡金属元素和Si的金属间化合物的B相组成的A相。过渡金属元素选自Ti，Zr，Ni，Cu和Fe。 A相和/或B相包括微晶或非晶区。 A相的相对于A相和B相的总重量的重量百分比大于40％且不大于95％。

4. 发明授权

US07955735B2 Non-aqueous electrolyte secondary battery 有权
标题翻译：非水电解质二次电池
公开(公告)号：US07955735B2
公开(公告)日：2011-06-07
申请号：US11174664
申请日：2005-07-06
申请人： Yasuhiko Bito , Toshitada Sato , Teruaki Yamamoto
发明人： Yasuhiko Bito , Toshitada Sato , Teruaki Yamamoto
IPC分类号： H01M4/48
CPC分类号： H01M10/052 , H01M2/0222 , H01M4/134 , H01M4/38 , H01M4/386 , H01M10/058 , H01M2004/021
摘要： A non-aqueous electrolyte secondary battery that has a high electrical capacity and exhibits excellent cycle characteristics even when the battery is rapidly charged and discharged at a large current includes: a positive electrode capable of reversibly absorbing and desorbing Li; a negative electrode; and a non-aqueous electrolyte. The negative electrode includes an alloying material that is capable of electrochemically absorbing and desorbing Li, and includes an A phase composed mainly of Si and a B phase including an intermetallic compound of at least one transition metal element and Si. The transition metal element is selected from the group consisting of Ti, Zr, Ni, Cu, and Fe. The A phase and/or the B phase includes a microcrystalline or amorphous region. The weight percent of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%.
摘要翻译：即使电池以大电流快速充放电，具有高电容且显示优异的循环特性的非水电解质二次电池包括：能够可逆地吸收和解吸Li的正极; 负极; 和非水电解质。负极包括能够电化学吸收和解吸Li的合金材料，并且包括主要由Si和包含至少一种过渡金属元素和Si的金属间化合物的B相组成的A相。过渡金属元素选自Ti，Zr，Ni，Cu和Fe。 A相和/或B相包括微晶或非晶区。 A相的相对于A相和B相的总重量的重量百分比大于40％且不大于95％。

5. 发明申请

US20080113269A1 Negative Electrode Material For Lithium Secondary Battery, Negative Electrode Using The Material, Lithium Secondary Battery Using The Negative Electrode, And Manufacturing Method Of Negative Electrode Material 审中-公开
标题翻译：锂二次电池用负极材料，使用该材料的负电极，使用负极的锂二次电池及负极电极材料的制造方法
公开(公告)号：US20080113269A1
公开(公告)日：2008-05-15
申请号：US10584776
申请日：2006-01-06
申请人： Teruaki Yamamoto , Toshitada Sato , Yasuhiko Bito
发明人： Teruaki Yamamoto , Toshitada Sato , Yasuhiko Bito
IPC分类号： H01M4/58 , B05D5/12
CPC分类号： H01M4/13 , C01G45/1221 , C01G45/1228 , C01G45/1292 , C01G51/42 , C01P2006/40 , H01M4/366 , H01M4/386 , H01M4/587 , H01M4/625 , H01M10/052 , Y10T29/49108
摘要： In a negative electrode material for lithium secondary batteries, basic material particles include one of phase A having silicon as a main component, and a mixed phase of phase B including an intermetallic compound of a transition metal element and silicon and the phase A. The phase A or the mixed phase is microcrystalline or amorphous. A carbon material is adhered to surfaces of the basic material particles, and a film containing a silicon oxide is formed on remained surface portions.
摘要翻译：在用于锂二次电池的负极材料中，碱性材料颗粒包括以硅为主要成分的A相和包含过渡金属元素和硅的金属间化合物和相A的相B的混合相。相 A或混合相为微晶或无定形。碳素材料附着在基体材料颗粒的表面上，并且在残留的表面部分上形成含有氧化硅的膜。

6. 发明授权

US07635540B2 Negative electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery comprising the same 有权
标题翻译：包含该非水电解质二次电池的非水电解质二次电池用负极和非水电解质二次电池
公开(公告)号：US07635540B2
公开(公告)日：2009-12-22
申请号：US11119208
申请日：2005-05-02
申请人： Toshitada Sato , Masaki Hasegawa , Teruaki Yamamoto , Yasuhiko Bito
发明人： Toshitada Sato , Masaki Hasegawa , Teruaki Yamamoto , Yasuhiko Bito
IPC分类号： H01M4/38 , H01M10/40
CPC分类号： H01M4/38 , H01M4/13 , H01M4/362 , H01M4/386 , H01M4/587 , H01M10/052
摘要： A negative electrode containing an alloying material and a graphite material for providing a non-aqueous electrolyte secondary battery with a high capacity and excellent cycle characteristics. The negative electrode includes graphite and an alloying material capable of electrochemically absorbing and desorbing Li. The alloying material includes an A phase composed mainly of Si and a B phase including an intermetallic compound of a transition metal element and Si. The A phase and/or the B phase include a microcrystalline or amorphous region. The weight percentage of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%. The weight percentage of the graphite relative to the total weight of the alloying material and the graphite is not less than 50% and not greater than 95%.
摘要翻译：一种含有合金材料和石墨材料的负极，用于提供具有高容量和优异的循环特性的非水电解质二次电池。负极包括石墨和能够电化学吸收和解吸Li的合金材料。合金材料包括主要由Si组成的A相和包含过渡金属元素和Si的金属间化合物的B相。 A相和/或B相包括微晶或非晶区。 A相的相对于A相和B相的总重量的重量百分比大于40％且不大于95％。石墨相对于合金材料和石墨的总重量的重量百分比不小于50％且不大于95％。

7. 发明申请

US20060102474A1 Negative electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery comprising the same 有权
公开(公告)号：US20060102474A1
公开(公告)日：2006-05-18
申请号：US11258218
申请日：2005-10-26
申请人： Toshitada Sato , Masaki Hasegawa , Teruaki Yamamoto , Yasuhiko Bito
发明人： Toshitada Sato , Masaki Hasegawa , Teruaki Yamamoto , Yasuhiko Bito
IPC分类号： C25B11/12
CPC分类号： H01M4/38 , H01M4/13 , H01M4/362 , H01M4/386 , H01M4/587 , H01M10/052
摘要： A negative electrode containing an alloying material and a graphite material for providing a non-aqueous electrolyte secondary battery with a high capacity and excellent cycle characteristics. The negative electrode includes graphite and at least one alloying material capable of electrochemically absorbing and desorbing Li. The alloying material includes an A phase composed mainly of Si and a B phase including an intermetallic compound of at least one transition metal element and Si. At least one of the A phase and the B phase includes a microcrystalline or amorphous region. The weight percentage of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%. The weight percentage of the graphite relative to the total weight of the alloying material and the graphite is not less than 50% and not greater than 95%.

8. 发明授权

US07537862B2 Negative electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery comprising the same 有权
标题翻译：包含该非水电解质二次电池的非水电解质二次电池用负极和非水电解质二次电池
公开(公告)号：US07537862B2
公开(公告)日：2009-05-26
申请号：US11258218
申请日：2005-10-26
申请人： Toshitada Sato , Masaki Hasegawa , Teruaki Yamamoto , Yasuhiko Bito
发明人： Toshitada Sato , Masaki Hasegawa , Teruaki Yamamoto , Yasuhiko Bito
IPC分类号： H01M4/38
CPC分类号： H01M4/38 , H01M4/13 , H01M4/362 , H01M4/386 , H01M4/587 , H01M10/052
摘要： A negative electrode containing an alloying material and a graphite material for providing a non-aqueous electrolyte secondary battery with a high capacity and excellent cycle characteristics. The negative electrode includes graphite and at least one alloying material capable of electrochemically absorbing and desorbing Li. The alloying material includes an A phase composed mainly of Si and a B phase including an intermetallic compound of at least one transition metal element and Si. At least one of the A phase and the B phase includes a microcrystalline or amorphous region. The weight percentage of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%. The weight percentage of the graphite relative to the total weight of the alloying material and the graphite is not less than 50% and not greater than 95%.
摘要翻译：一种含有合金材料和石墨材料的负极，用于提供具有高容量和优异的循环特性的非水电解质二次电池。负极包括石墨和能够电化学吸收和解吸Li的至少一种合金材料。合金材料包括主要由Si构成的A相和包含至少一种过渡金属元素和Si的金属间化合物的B相。 A相和B相中的至少一个包括微晶或非晶区。 A相的相对于A相和B相的总重量的重量百分比大于40％且不大于95％。石墨相对于合金材料和石墨的总重量的重量百分比不小于50％且不大于95％。

9. 发明申请

US20060105242A1 Negative electrode for non-aqueous electrolyte secondary battery and non-aqueous electrolyte secondary battery comprising the same 有权
公开(公告)号：US20060105242A1
公开(公告)日：2006-05-18
申请号：US11119208
申请日：2005-05-02
申请人： Toshitada Sato , Masaki Hasegawa , Teruaki Yamamoto , Yasuhiko Bito
发明人： Toshitada Sato , Masaki Hasegawa , Teruaki Yamamoto , Yasuhiko Bito
IPC分类号： H01M4/58
CPC分类号： H01M4/38 , H01M4/13 , H01M4/362 , H01M4/386 , H01M4/587 , H01M10/052
摘要： A negative electrode containing an alloying material and a graphite material for providing a non-aqueous electrolyte secondary battery with a high capacity and excellent cycle characteristics. The negative electrode includes graphite and an alloying material capable of electrochemically absorbing and desorbing Li. The alloying material includes an A phase composed mainly of Si and a B phase including an intermetallic compound of a transition metal element and Si. The A phase and/or the B phase include a microcrystalline or amorphous region. The weight percentage of the A phase relative to the total weight of the A phase and the B phase is greater than 40% and not greater than 95%. The weight percentage of the graphite relative to the total weight of the alloying material and the graphite is not less than 50% and not greater than 95%.

10. 发明申请

US20100151321A1 NEGATIVE ELECTRODE FOR COIN-SHAPED LITHIUM SECONDARY BATTERY, METHOD FOR PRODUCING THE SAME, AND COIN-SHAPED LITHIUM SECONDARY BATTERY 审中-公开
标题翻译：用于硬币的锂二次电池的负极，其制造方法，和硬币二次锂二次电池
公开(公告)号：US20100151321A1
公开(公告)日：2010-06-17
申请号：US12067930
申请日：2006-11-09
申请人： Teruaki Yamamoto , Tomohiro Ueda , Youko Sano , Yasuhiko Bito
发明人： Teruaki Yamamoto , Tomohiro Ueda , Youko Sano , Yasuhiko Bito
IPC分类号： H01M4/48 , H01M4/02 , H01M2/16 , H01M4/04 , H01M4/12
CPC分类号： H01M10/0427 , H01M4/04 , H01M4/13 , H01M4/36 , H01M10/0525 , H01M2004/021
摘要： An object of the present invention resides in that under the use of an active material capable of attaining a high capacity, the volume expansion of the negative electrode is alleviated, the maintenance of the structure of the negative electrode is achieved, and the degradation of the battery capacity is suppressed. The present invention relates to a negative electrode for a coin-shaped lithium secondary battery, a coin-shaped lithium secondary battery including the negative electrode, and a method for producing the negative electrode for a coin-shaped lithium secondary battery, wherein: the negative electrode includes a molded negative electrode including a negative electrode active material capable of absorbing and desorbing lithium; the molded negative electrode is of a coin shape having two flat faces and a side edge, and has cracks along the thickness direction thereof; at least one of the two flat faces has recessed portions; and the cracks start from the recessed portions.
摘要翻译：本发明的目的在于，在使用能够实现高容量的活性物质的情况下，负极的体积膨胀减轻，负极的结构的维持得以实现，电池容量被抑制。本发明涉及一种用于硬币型锂二次电池的负极，包括该负极的硬币型锂二次电池，以及一种用于制造用于硬币型锂二次电池的负极的方法，其中：负极电极包括具有能够吸收和解吸锂的负极活性物质的模制负极; 模制负极是具有两个平面和侧边缘的硬币形状，并沿其厚度方向具有裂纹; 所述两个平面中的至少一个具有凹部; 并且裂纹从凹部开始。

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