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：US20180097225A1

公开(公告)日：2018-04-05

申请号：US15461146

申请日：2017-03-16

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Ryuuta YAMAYA ,  Susumu MURATA ,  Satoru OSHITARI ,  Hirofumi YASUMIISHI

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/66 ,  H01M4/58 ,  H01M4/62

CPC classification number: H01M4/366 ,  H01M4/5825 ,  H01M4/625 ,  H01M4/661 ,  H01M10/0525 ,  H01M2004/028

Abstract: A lithium-ion secondary battery including a cathode, an anode, and an electrolyte, in which the cathode includes an aluminum current collector and a cathode mixture layer formed on the aluminum current collector, and an interface resistance value between the cathode mixture layer and the aluminum current collector is 1 Ω·cm2 or less.

公开(公告)号：US20180097222A1

公开(公告)日：2018-04-05

申请号：US15470397

申请日：2017-03-27

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Satoru OSHITARI ,  Masataka OYAMA ,  Naoyuki KUROSAWA ,  Ryuuta YAMAYA

IPC: H01M4/134 ,  H01M4/48 ,  H01M4/50 ,  H01M4/52 ,  H01M10/052

CPC classification number: H01M4/134 ,  H01M4/364 ,  H01M4/366 ,  H01M4/483 ,  H01M4/502 ,  H01M4/505 ,  H01M4/523 ,  H01M4/525 ,  H01M4/5825 ,  H01M10/052

Abstract: An electrode material for a lithium-ion secondary battery of the present invention is a mixture including an electrode active material A made of LiFexMn1−x−yMyPO4 (0.05≦x≦0.40, 0≦y≦0.14, 1−x−y≧0, here, M represents at least one element selected from the group consisting of Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements) and an electrode active material B made of a lithium-containing metal oxide, in which a volume change percentage due to lithium ions absorbed into and emitted from the electrode active material A is 6.2% or more and 8.3% or less.

公开(公告)号：US20190305364A1

公开(公告)日：2019-10-03

申请号：US16144271

申请日：2018-09-27

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Masataka OYAMA ,  Satoru OSHITARI ,  Ryuuta YAMAYA ,  Takao KITAGAWA

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

Abstract: A cathode material for a lithium ion secondary battery enabling diffusion of lithium ions in a two-dimensional direction or a three-dimensional direction in crystals is provided. The cathode material is formed by coating a surface of a central particle represented by-the Formula LixFe1−y−zAyMzPO4 with a carbonaceous film, in which a content of a carbon atom is 0.3% by mass or more and 3.4% by mass or less, and, in a Moessbauer spectrum obtained by Moessbauer spectroscopy, when an area intensity of a spectrum having an isomer shift value in a range of 1.0 mm/sec or more and 1.4 mm/sec or less is represented by α, and an area intensity of a spectrum having an isomer shift value in a range of 0.3 mm/sec or more and 0.7 mm/sec or less is represented by β, {β/((β+α)×(1−y−z)} is 0.01 or more and 0.1 or less.

公开(公告)号：US20170092933A1

公开(公告)日：2017-03-30

申请号：US15054185

申请日：2016-02-26

Applicant: Sumitomo Osaka Cement Co., Ltd.

Inventor： Satoru OSHITARI ,  Masataka OYAMA ,  Ryuuta YAMAYA

IPC: H01M4/136 ,  H01M4/04 ,  H01M4/1397 ,  H01M4/58 ,  H01M4/62

CPC classification number: H01M4/136 ,  H01M4/0402 ,  H01M4/0419 ,  H01M4/0471 ,  H01M4/133 ,  H01M4/1397 ,  H01M4/366 ,  H01M4/5825 ,  H01M4/587 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028

Abstract: An electrode material for a lithium-ion rechargeable battery of the present invention is an electrode material for a lithium-ion rechargeable battery formed by coating a surface of an electrode active material represented by General Formula LiFexMn1-x-yMyPO4 (here, M represents at least one element selected from Mg, Ca, Co, Sr, Ba, Ti, Zn, B, Al, Ga, In, Si, Ge, and rare earth elements, 0.05≦x≦1.0, 0≦y≦0.14) with a carbonaceous film, in which an angle of repose is in a range of 35° or more and 50° or less.

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。

公开(公告)号：US20160093888A1

公开(公告)日：2016-03-31

申请号：US14643462

申请日：2015-03-10

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Masataka OYAMA ,  Satoru OSHITARI ,  Ryuuta YAMAYA

IPC: H01M4/58 ,  H01M10/0525 ,  C01B25/45 ,  H01M4/36

CPC classification number: H01M4/5825 ,  C01B25/451 ,  H01M4/366 ,  H01M4/623 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028 ,  H01M2220/20 ,  H01M2220/30

Abstract: A cathode material which does not easily deteriorate when used in batteries, a method for producing cathode materials, a cathode, and a lithium ion battery are provided. A cathode material including a cathode active material, in which the cathode active material is expressed by Li1+xAyDzPO4 (here, A represents one or more metal elements selected from the group consisting of Co, Mn, Ni, Fe, Cu, and Cr, D represents one or more metal 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: 提供一种用于电池时不易劣化的阴极材料，阴极材料的制造方法，阴极和锂离子电池。 正极材料包括正极活性物质，其中阴极活性材料由Li1 + xAyDzPO4表示（这里，A表示选自Co，Mn，Ni，Fe，Cu和Cr中的一种或多种金属元素， D表示选自Mg，Ca，Sr，Ba，Ti，Zn，B，Al，Ga，In，Si，Ge，Sc，Y和稀土元素中的一种或多种金属元素，0

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.