公开(公告)号：US20200083523A1

公开(公告)日：2020-03-12

申请号：US16683611

申请日：2019-11-14

Applicant: JFE Mineral Company, Ltd.

Inventor： Yoshiaki Hamano ,  Yosuke Iwasaki

IPC: H01M4/131 ,  H01M4/525 ,  C01G53/00 ,  H01M4/505 ,  H01M4/485 ,  H01M10/052

Abstract: A method of manufacturing a positive electrode material for a battery, wherein the material is a complex oxide whose overall composition is LiaNibMcNdLeOx, M: is selected from the group consisting of Mn and Co, N: is one, two, or more chemical elements selected from the group consisting of Mg, Al, Ti, Cr, and Fe, L: is one, two, or more chemical elements selected from the group consisting of B, C, Na, Si, P, S, K, Ca, and Ba, and where a/(b+c+d): 0.80 to 1.30, b/(b+c+d): 0.30 to 0.95, c/(b+c+d): 0.05 to 0.60, d/(b+c+d): 0.005 to 0.10, e/(b+c+d): 0.0005 to 0.010, b+c+d=1, and x: 1.5 to 2.5, the method including mixing raw material chemical elements or compounds containing raw material chemical elements, baking the resultant raw materials at a temperature of 700° C. or higher and 950° C. or lower in a baking process, and thereafter performing a treatment using a water-washing process.

公开(公告)号：US10704162B2

公开(公告)日：2020-07-07

申请号：US16067923

申请日：2016-12-21

Applicant: JFE MINERAL COMPANY, LTD

Inventor： Yosuke Iwasaki ,  Keiichiro Nakamura

IPC: C30B29/40 ,  H01L21/02 ,  H01L29/20

Abstract: Provided is an aluminum nitride single crystal which is easier to cut than conventional ones. The presently disclosed aluminum nitride single crystal 1 has a matrix region M constituting a matrix of the aluminum nitride single crystal, and at least one domain region D included in the matrix region M.

公开(公告)号：US20150340683A1

公开(公告)日：2015-11-26

申请号：US14652894

申请日：2013-12-09

Applicant: JFE MINERAL COMPANY, LTD.

Inventor： Yoshiaki Hamano ,  Yosuke Iwasaki

IPC: H01M4/131 ,  C01G53/00 ,  H01M4/525 ,  H01M4/485 ,  H01M4/505

CPC classification number: H01M4/131 ,  C01G53/42 ,  C01G53/50 ,  C01G53/66 ,  C01P2002/52 ,  C01P2004/51 ,  C01P2004/61 ,  C01P2006/40 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M10/052 ,  H01M2004/028

Abstract: A positive electrode material is used for a lithium secondary battery. The material includes a complex oxide whose overall composition is expressed by LiaNibMcNdLeOx, where M: one or two chemical elements selected from Mn and Co, N: one, two, or more chemical elements selected from the group consisting of Mg, Al, Ti, Cr, and Fe, L: one, two, or more chemical elements selected from the group consisting of B, C, Na, Si, P, S, K, Ca, and Ba, and where a/(b+c+d): 0.80 to 1.30, b/(b+c+d): 0.30 to 0.95, c/(b+c+d): 0.05 to 0.60, d/(b+c+d): 0.005 to 0.10, e/(b+c+d): 0.0005 to 0.010, b+c+d=1, and x: 1.5 to 2.5.

Abstract translation: 正极材料用于锂二次电池。 该材料包括其组成由LiaNibMcNdLeOx表示的复合氧化物，其中M：选自Mn和Co中的一种或两种化学元素，N：一种，两种或更多种选自Mg，Al，Ti， Cr和Fe，L：选自B，C，Na，Si，P，S，K，Ca和Ba中的一种，两种或更多种化学元素，其中a /（b + c + d ）：0.80〜1.30，b /（b + c + d）：0.30〜0.95，c /（b + c + d）：0.05〜0.60，d /（b + c + d） （b + c + d）：0.0005〜0.010，b + c + d = 1，x：1.5〜2.5。