公开(公告)号：US20160226066A1

公开(公告)日：2016-08-04

申请号：US14939608

申请日：2015-11-12

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kazuyo YAMAMOTO ,  Ryuuta YAMAYA ,  Akinori YAMAZAKI

IPC: H01M4/485 ,  H01M4/36 ,  H01M10/0525

CPC classification number: H01M4/5825 ,  C01B25/45 ,  C01P2004/45 ,  C01P2004/60 ,  H01M4/131 ,  H01M10/0525

Abstract: A method of manufacturing the positive electrode material for a lithium ion secondary battery includes a first step of mixing Li3PO4, LiOH, H3PO4, an Fe source, a Mn source, and an M source to prepare raw material slurry, and a second step of subjecting the raw material slurry to a reaction under a high temperature and a high pressure. In the first step, mixing amounts of Li and P are set to 3.00≦Li/(Fe+Mn+M)≦3.10 and 1.00≦P/(Fe+Mn+M)≦1.10, mixing amounts of LiOH and H3PO4 are set to 0

Abstract translation: 制造锂离子二次电池用正极材料的方法包括：将Li 3 PO 4，LiOH，H 3 PO 4，Fe源，Mn源和M源混合以制备原料浆料的第一步骤， 原料浆料在高温高压下进行反应。 在第一步骤中，将Li和P的混合量设定为3.00≤Li（Fe + Mn + M）≤3.10，1.00≤P/（Fe + Mn + M）≤1.10，设定LiOH和H 3 PO 4的混合量 至0

公开(公告)号：US20140287310A1

公开(公告)日：2014-09-25

申请号：US14220533

申请日：2014-03-20

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Koji OONO ,  Takao KITAGAWA ,  Tatsuya NAKABEPPU ,  Kazuyo YAMAMOTO

IPC: H01M4/62 ,  H01M4/04 ,  H01M10/0525 ,  H01M4/36 ,  H01M4/136

CPC classification number: H01M4/625 ,  H01M4/0471 ,  H01M4/131 ,  H01M4/366 ,  H01M10/0525

Abstract: An electrode material which can improve the mobility of electrons and the mobility of ions at the same time, and, furthermore, does not have a problem of the impairment of the diffusion of lithium ions in a thin layer containing a carbonaceous electron-conductive substance so as to be excellent in terms of load characteristics and energy density, and an electrode and a lithium ion battery are provided.The electrode material of the invention is produced by forming a thin layer made of a carbonaceous electron-conductive substance on surfaces of primary particles made of an electrode active material, in which the carbonaceous electron-conductive substance contains nitrogen atoms.

Abstract translation: 能够同时提高电子迁移率和离子迁移率的电极材料，此外，不存在在含有碳质电子传导性物质的薄层中锂离子的扩散受损的问题，所以 在负载特性和能量密度方面优异，并且提供电极和锂离子电池。 本发明的电极材料通过在碳质电子传导性物质含有氮原子的电极活性物质的一次粒子的表面形成由碳质电子传导性物质构成的薄层来制造。

公开(公告)号：US20160293942A1

公开(公告)日：2016-10-06

申请号：US14796432

申请日：2015-07-10

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kazuyo YAMAMOTO ,  Ryuuta YAMAYA ,  Satoru OSHITARI

IPC: H01M4/36 ,  H01M4/58 ,  H01M4/04 ,  C01B25/45 ,  H01M4/62 ,  H01M4/136 ,  H01M10/0525

CPC classification number: H01M4/366 ,  C01B25/45 ,  C01P2006/12 ,  C01P2006/40 ,  C01P2006/62 ,  C01P2006/65 ,  H01M4/0404 ,  H01M4/0407 ,  H01M4/136 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028

Abstract: To provide a positive electrode material for lithium ion secondary batteries capable of reducing waste loss, a method of producing the same, a positive electrode for lithium ion secondary batteries and a lithium ion secondary battery which contain the above-described positive electrode material for lithium ion secondary batteries. A positive electrode material for lithium ion secondary batteries, wherein the positive electrode material includes inorganic particles whose surfaces are coated with a carbonaceous film, the inorganic particles being represented by a formula LiFexMn1-x-yMyPO4 (0.05≦x≦1.0, 0≦y≦0.14, where M represents at least one selected from the group consisting of Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements), a specific surface area is 6 m2/g to 20 m2/g, a lightness L* is 0 to 40, and a chroma C* is 0 to 3.5.

Abstract translation: 为了提供能够减少废物损失的锂离子二次电池用正极材料，其制造方法，锂离子二次电池用正极和锂离子二次电池，其含有上述锂离子正极材料 二次电池 一种锂离子二次电池用正极材料，其中正极材料包括其表面涂覆有碳膜的无机颗粒，无机颗粒由式LiFexMn1-x-yMyPO4（0.05≤x≤1.0,0≤y ≦0.14，其中M表示选自Mg，Ca，Co，Sr，Ba，Ti，Zn，B，Al，Ga，In，Si，Ge和稀土元素中的至少一种） 面积为6m 2 / g〜20m 2 / g，亮度L *为0〜40，色度C *为0〜3.5。