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％。

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%.

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％。

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%.

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％。

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％。

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％。

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。

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％。

公开(公告)号：US08361658B2

公开(公告)日：2013-01-29

申请号：US12775185

申请日：2010-05-06

申请人： Harunari Shimamura ,  Toshitada Sato ,  Takayuki Nakamoto ,  Yasuhiko Bito ,  Yoshiaki Nitta

发明人： Harunari Shimamura ,  Toshitada Sato ,  Takayuki Nakamoto ,  Yasuhiko Bito ,  Yoshiaki Nitta

IPC分类号： H01M4/38 ,  H01M10/40 ,  H01M4/58

CPC分类号： H01M4/134 ,  H01M4/131 ,  H01M4/364 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/525 ,  H01M10/052 ,  H01M10/0587

摘要： A negative electrode material for non-aqueous electrolyte secondary batteries, characterized in that the negative electrode material comprises a composite particle including solid phases A and B, the solid phase A being dispersed in the solid phase B, and the ratio (IA/IB) of the maximum diffracted X-ray intensity (IA) attributed to the solid phase A to the maximum diffracted X-ray intensity (IB) attributed to the solid phase B satisfies 0.001≦IA/IB≦0.1, in terms of a diffraction line obtained by a wide-angle X-ray diffraction measurement of the composite particle.

摘要翻译： 一种非水电解质二次电池用负极材料，其特征在于，所述负极材料包括固相A和B的复合粒子，所述固相A分散在固相B中，所述比例（IA / IB） 归因于固相B的固相A的最大衍射X射线强度（IA）与归于固相B的最大衍射X射线强度（IB）的折射率相对于衍射线满足0.001≤n1E; IA / IB＆N1; 0.1 通过复合粒子的广角X射线衍射测定得到。