公开(公告)号：US20150132646A1

公开(公告)日：2015-05-14

申请号：US14535263

申请日：2014-11-06

Applicant: FURUKAWA ELECTRIC CO.,LTD. ,  THE FURUKAWA BATTERY CO., LTD.

Inventor： Hideo NISHIKUBO ,  Takeshi NISHIMURA ,  Toshio TANI ,  Koji HATAYA ,  Toshiya HIKAMI ,  Masaaki KUBOTA ,  Hidetoshi ABE

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/38 ,  H01M4/42 ,  H01M4/62 ,  H01M4/134

CPC classification number: H01M4/364 ,  H01M4/134 ,  H01M4/38 ,  H01M4/386 ,  H01M4/387 ,  H01M4/42 ,  H01M4/622 ,  H01M4/623 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/027

Abstract: The purpose of the invention is to obtain a negative electrode for a large-capacity nonaqueous electrolyte rechargeable battery having good cycle characteristics. In the present invention, a negative electrode for a nonaqueous electrolyte rechargeable battery is used as a solution, said negative electrode being characterized by having an active material layer on a current collector, said active material layer containing at least granules, and one or more types of coating binder comprising any of a polyimide, polybenzimidazole, polyamide-imide and polyamide. The negative electrode is further characterized in that the granules contain at least active material particles containing: at least one type of element selected from a group comprising Si, Sn, Al, Pb, Sb, Bi, Ge, In and Zn; and a granulation binder.

Abstract translation: 本发明的目的是获得具有良好循环特性的大容量非水电解质可再充电电池用负极。 在本发明中，使用非水电解质二次电池用负极作为溶液，所述负极的特征在于在集电体上具有活性物质层，所述活性物质层至少含有颗粒，以及一种以上 包括聚酰亚胺，聚苯并咪唑，聚酰胺 - 酰亚胺和聚酰胺中的任何一种的涂料粘合剂。 所述负极的特征在于，所述颗粒至少含有活性物质颗粒，所述活性物质颗粒包含：选自由Si，Sn，Al，Pb，Sb，Bi，Ge，In和Zn组成的组中的至少一种元素; 和造粒粘合剂。

公开(公告)号：US20140038043A1

公开(公告)日：2014-02-06

申请号：US14046399

申请日：2013-10-04

Applicant: THE FURUKAWA BATTERY CO., LTD. ,  FURUKAWA ELECTRIC CO., LTD.

Inventor： Yosuke HIRAYAMA ,  Michio OHKUBO ,  Yoshinori KAZAMA ,  Hidetoshi ABE ,  Miyu NEMOTO

IPC: H01M4/505 ,  C01B33/32 ,  H01M10/052 ,  H01M4/525 ,  H01M4/131

CPC classification number: H01M4/505 ,  C01B33/32 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/136 ,  H01M4/1397 ,  H01M4/364 ,  H01M4/366 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021

Abstract: The object of the present invention is to provide a lithium transition metal silicate-type cathode active material that shows superior cycle characteristics, and shows little deterioration of discharge capacity even after repeated charge-and-discharge. In the present invention, a cathode active material that is expressed by the general formula Li2-yFe1-xMxSi1-yXyO4 (M=at least one transition metal selected from the group consisting of Mn, Ti, Cr, V, Ni, Co, Cu, Zn, Al, Ge, Zr, Mo, W; X=at least one element selected from the group consisting of Ti, Cr, V, Zr, Mo, W, P, B; 0≦x

Abstract translation: 本发明的目的是提供一种具有优异的循环特性的锂过渡金属硅酸盐型阴极活性材料，即使在反复进行充放电之后，放电容量几乎没有劣化。 在本发明中，由通式Li2-yFe1-xMxSi1-yXyO4表示的正极活性物质（M =选自Mn，Ti，Cr，V，Ni，Co，Cu中的至少一种过渡金属 ，Zn，Al，Ge，Zr，Mo，W; X =选自Ti，Cr，V，Zr，Mo，W，P，B中的至少一种元素;0≤x≤1,0 <0.25），并且包含锂过渡金属硅酸盐，其包含具有空间群Pmn21对称性的正交型结构的混合相和具有空间群P21 / n对称性的单斜晶型结构。

公开(公告)号：US20130316238A1

公开(公告)日：2013-11-28

申请号：US13889817

申请日：2013-05-08

Applicant: FURUKAWA ELECTRIC CO., LTD. ,  THE FURUKAWA BATTERY CO., LTD

Inventor： Takeshi NISHIMURA ,  Toshio TANI ,  Michihiro SHIMADA ,  Masaaki KUBOTA ,  Hidetoshi ABE ,  Takashi EGURO

IPC: H01M4/36

CPC classification number: H01M4/36 ,  B22F1/0018 ,  B22F1/025 ,  B22F9/04 ,  B22F9/14 ,  B82Y30/00 ,  C22C1/05 ,  C22C5/06 ,  C22C9/00 ,  C22C9/02 ,  C22C9/10 ,  C22C13/00 ,  C22C19/007 ,  C22C19/07 ,  C22C21/003 ,  C22C21/02 ,  H01M4/134 ,  H01M4/364 ,  H01M4/38 ,  H01M4/386 ,  H01M4/42 ,  H01M10/0525

Abstract: A nanosized particle has a first phase that is a simple substance or a solid solution of element A, which is Si, Sn, Al, Pb, Sb, Bi, Ge, In or Zn, and a second phase that is a compound of element D, which is Fe, Co, Ni, Ca, Sc, Ti, V, Cr, Mn, Sr, Y, Zr, Nb, Mo, Ru, Rh, Ba, lanthanoid elements (not including Ce and Pm), Hf, Ta, W or Ir, and element A, or a compound of element A and element M, which is Cu, Ag, or Au. The first phase and second phase are bound via an interface, and are exposed to the outer surface. The surface of the first phase other than the interface is approximately spherical. Furthermore, a lithium ion secondary battery includes the nanosized particle as an anode active material.

Abstract translation: 纳米尺寸颗粒具有作为Si，Sn，Al，Pb，Sb，Bi，Ge，In或Zn的元素A的单一物质或固溶体的第一相，作为元素的化合物的第二相 D，其中Fe，Co，Ni，Ca，Sc，Ti，V，Cr，Mn，Sr，Y，Zr，Nb，Mo，Ru，Rh，Ba，镧系元素（不包括Ce和Pm） Ta，W或Ir，以及元素A，或元素A和元素M的化合物，其为Cu，Ag或Au。 第一相和第二相通过界面结合，并暴露于外表面。 第一相的界面以外的表面近似为球形。 此外，锂离子二次电池包括作为负极活性物质的纳米尺寸粒子。

公开(公告)号：US20140353555A1

公开(公告)日：2014-12-04

申请号：US14460087

申请日：2014-08-14

Applicant: THE FURUKAWA BATTERY CO., LTD. ,  TOKYO METROPOLITAN UNIVERSITY ,  SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Hidetoshi ABE ,  Tomonori SUZUKI ,  Takashi EGURO ,  Kiyoshi KANAMURA ,  Mitsumasa SAITO

IPC: H01M4/58 ,  H01M4/62 ,  C01B25/45

CPC classification number: H01M4/5825 ,  C01B25/45 ,  H01M4/0471 ,  H01M4/362 ,  H01M4/625 ,  H01M10/052 ,  H01M2004/021 ,  H01M2004/028 ,  Y02E60/122 ,  Y02P70/54

Abstract: A method of manufacturing a multicomponent lithium phosphate compound particle with an olivine structure of formula LiyM11-ZM2ZPO4, M1 is Fe, Mn or Co; Y satisfies 0.9≦Y≦1.2; M2 is Mn, Co, Mg, Ti or Al; and Z satisfies 0

Abstract translation: 制备具有式LiYM11-ZM2ZPO4的橄榄石结构的多组分磷酸锂化合物颗粒的方法，M1是Fe，Mn或Co; Y满足0.9＆nlE; Y＆nlE; 1.2; M2是Mn，Co，Mg，Ti或Al; Z满足0