公开(公告)号：US20150140428A1

公开(公告)日：2015-05-21

申请号：US14608812

申请日：2015-01-29

Applicant: SUMITOMO OSAKA CEMENT CO., Ltd.

Inventor： Kouji OONO ,  Takao KITAGAWA

IPC: H01M4/36 ,  H01M4/133 ,  H01M4/58 ,  H01M4/136

CPC classification number: H01M4/366 ,  H01M4/133 ,  H01M4/136 ,  H01M4/36 ,  H01M4/581 ,  H01M4/5825 ,  H01M4/625 ,  H01M4/626 ,  H01M10/0525 ,  H01M2004/028

Abstract: An electrode material having excellent electron conductivity, load characteristics, and cycle characteristics is provided. The electrode material includes an electrode active material represented by LixFeyAzBO4 (here, A represents either or both selected from a group consisting of Mn and Co, B represents one or more selected from a group consisting of P, Si, and S, 0≦x

Abstract translation: 提供了具有优异的电子传导性，负载特性和循环特性的电极材料。 电极材料包括由LixFeyAzBO4表示的电极活性物质（这里，A表示选自Mn和Co中的任一种或两者，B表示选自P，Si和S中的一种或多种，​​0＆lt; nlE; x <4,0

公开(公告)号：US20190386290A1

公开(公告)日：2019-12-19

申请号：US16282700

申请日：2019-02-22

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kouji OONO ,  Takao KITAGAWA ,  Tetsuya NAKABEPPU

IPC: H01M4/131 ,  H01M4/525 ,  H01M4/505 ,  H01M4/04

Abstract: An electrode material having an electrode active material and a pyrolytic carbonaceous electron-conducting film that coats a surface of the electrode active material, in which an amount of a surface acid of the electrode material, which is determined by a back-titration method using tetrabutylammonium hydroxide, is 1 μmol/m2 or more and 5 μmol/m2 or less per surface area of the electrode material.

公开(公告)号：US20150380725A1

公开(公告)日：2015-12-31

申请号：US14634353

申请日：2015-02-27

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： Hiroyuki MINE ,  Hirofumi YASUMIISHI ,  Kouji OONO ,  Takao KITAGAWA

IPC: H01M4/133 ,  H01M4/587 ,  H01M4/66 ,  H01M4/04 ,  H01M4/62 ,  H01M10/0525

CPC classification number: H01M4/133 ,  H01M4/0471 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/587 ,  H01M4/621 ,  H01M4/625 ,  H01M4/661 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028

Abstract: An electrode material in which an electrode active material having a carbonaceous film formed on the surface is used and which is capable of suppressing a voltage drop when high-speed charge and discharge is carried out in a low-temperature environment is provided.A electrode material, wherein the electrode material have a particulate shape, the electrode material is formed a carbonaceous film on surfaces of electrode active material particles, and the carbonaceous film is constituted randomly stacking graphene layers. Preferably, an inflection ratio of a lithium ion migration path in the carbonaceous film in the electrode material is in a range of 1.1 to 100.

Abstract translation: 提供一种电极材料，其中使用在表面上形成有碳质膜的电极活性材料，并且能够在低温环境下进行高速充放电时能够抑制电压降。 一种电极材料，其中电极材料具有颗粒形状，电极材料在电极活性材料颗粒的表面上形成碳质膜，碳质膜是随机堆积的石墨烯层。 优选地，电极材料中碳质膜中的锂离子迁移路径的折射率为1.1〜100。

公开(公告)号：US20180277846A1

公开(公告)日：2018-09-27

申请号：US15710581

申请日：2017-09-20

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kouji OONO ,  Hirofumi Yasumiishi ,  Masataka OYAMA ,  Takao KITAGAWA

IPC: H01M4/58 ,  H01M4/525 ,  H01M4/505 ,  H01M10/0525

CPC classification number: H01M4/5825 ,  C01B25/081 ,  H01M4/366 ,  H01M4/505 ,  H01M4/525 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028

Abstract: A cathode material for a lithium-ion secondary battery of the present invention includes active material secondary particles formed by aggregating central particles including primary particles of a cathode active material represented by General Formula LiaAxBO4 (here, A represents at least one element selected from the group consisting of Mn, Fe, Co, and Ni, B represents at least one element selected from the group consisting of P, Si, and S, 0≤a

公开(公告)号：US20180062165A1

公开(公告)日：2018-03-01

申请号：US15463139

申请日：2017-03-20

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kouji OONO ,  Takao KITAGAWA

IPC: H01M4/36 ,  H01M4/58 ,  H01M10/0525 ,  H01M4/62 ,  H01M4/04

CPC classification number: H01M4/366 ,  C01B25/45 ,  C01P2002/60 ,  C01P2006/12 ,  C01P2006/90 ,  H01M4/0471 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028

Abstract: An electrode material made of a carbonaceous-coated electrode active material having primary particles of an electrode active material and aggregates of the primary particles and a carbonaceous film that coats the primary particles of the electrode active material and the aggregates of the primary particles, in which an average particle diameter of the carbonaceous-coated electrode active material is 30 nm or more and 200 nm or less, a crystallite diameter obtained from a full width at half maximum of a (020) plane in an X-ray diffraction measurement is 30 nm or more and 100 nm or less, a specific surface area obtained using a BET method is 10 m2/g or more and 25 m2/g or less, and a carbon content is 0.5% by mass or more and 2.5% by mass or less.

公开(公告)号：US20140335413A1

公开(公告)日：2014-11-13

申请号：US14263167

申请日：2014-04-28

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kenta OOISHI ,  Takao KITAGAWA ,  Kouji OONO ,  Satoru OSHITARI

IPC: H01M4/36

CPC classification number: H01M4/366 ,  H01M4/136 ,  H01M4/5825 ,  H01M10/0525 ,  H01M2220/20 ,  Y02E60/122

Abstract: An electrode material includes Fe-containing olivine-structured LixAyDzPO4 (wherein A represents one or more elements selected from the group consisting of Co, Mn, Ni, Cu, and Cr; D represents one or more elements selected from the group consisting of Mg, Ca, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, Sc, Y, and rare earth elements; 0

Abstract translation: 电极材料包括含Fe橄榄石结构的LixAyDzPO4（其中A表示选自Co，Mn，Ni，Cu和Cr中的一种或多种元素; D表示选自Mg， Ca，Sr，Ba，Ti，Zn，B，Al，Ga，In，Si，Ge，Sc，Y和稀土元素; 0

公开(公告)号：US20210305619A1

公开(公告)日：2021-09-30

申请号：US17033149

申请日：2020-09-25

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kouji OONO

IPC: H01M10/0525 ,  H01M10/058 ,  H01M4/66 ,  H01M10/0565 ,  H01M4/36 ,  H01M4/62 ,  H01M4/58 ,  H01M4/136

Abstract: The lithium ion polymer battery includes: a positive electrode that includes at least a positive electrode material which is capable of desorbing lithium ions when the battery is charged; and a negative electrode which includes a current collector and an ionic conductive polymer layer which is provided on the current collector.

公开(公告)号：US20210305618A1

公开(公告)日：2021-09-30

申请号：US17033109

申请日：2020-09-25

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Satoru OSHITARI ,  Kouji OONO ,  Tsutomu NOZOE

IPC: H01M10/0525 ,  H01M4/04 ,  H01M4/525 ,  H01M4/505 ,  H01M4/485 ,  H01M4/36

Abstract: The positive electrode material for lithium ion secondary batteries includes a mixture including a positive electrode active material in which a length of a longest side of a primary particle is 1 nm or more and 1000 nm or less and a NASICON-type compound in which a length of a longest side of a primary particle is 1 nm or more and 1000 nm or less.

公开(公告)号：US20210296649A1

公开(公告)日：2021-09-23

申请号：US17030872

申请日：2020-09-24

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Satoru OSHITARI ,  Kouji OONO ,  Tsutomu NOZOE

IPC: H01M4/58 ,  H01M10/0525 ,  H01M4/587 ,  H01M4/36

Abstract: A positive electrode material for a lithium ion secondary battery includes an olivine-type phosphate-based compound represented by General Formula LixAyDzPO4 and carbon, and, in transmission electron microscopic observation of a cross section of a secondary particle that is an agglomerate of primary particles of the olivine-type phosphate-based compound, a 300-point average value of filling rates of the carbon that fills insides of voids having a diameter of 5 nm or larger that are formed by the primary particles is 30 to 70%. A is any one of Co, Mn, Ni, Fe, Cu, and Cr, D is any one of Mg, Ca, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, Sc, and Y, and x, y, and z satisfy 0.9

公开(公告)号：US20200106086A1

公开(公告)日：2020-04-02

申请号：US16282829

申请日：2019-02-22

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kouji OONO ,  Satoru OSHITARI ,  Masataka OYAMA

IPC: H01M4/131 ,  H01M4/525 ,  H01M4/505 ,  H01M4/04 ,  H01M10/0525

Abstract: An electrode material including a carbonaceous-coated electrode active material having primary particles of an electrode active material and secondary particles that are aggregates of the primary particles, and a carbonaceous film that coats the primary particles of the electrode active material and the secondary particles that are the aggregates of the primary particles, in which a proportion of a volume of micropores having a micropore diameter of 50 nm or less in a volume of micropores having a micropore diameter of 300 nm or less, which is obtained using a nitrogen adsorption method, is 40% or more.