公开(公告)号：US20150325846A1

公开(公告)日：2015-11-12

申请号：US14388413

申请日：2013-03-07

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Takao KITAGAWA ,  Yoshitaka YAMAMOTO

IPC: H01M4/36 ,  H01M4/505 ,  H01M4/587 ,  H01M4/136 ,  H01M4/58 ,  H01M4/62 ,  H01M4/525 ,  H01M4/131

CPC classification number: H01M4/366 ,  H01M4/131 ,  H01M4/136 ,  H01M4/485 ,  H01M4/505 ,  H01M4/525 ,  H01M4/5825 ,  H01M4/587 ,  H01M4/622 ,  H01M4/625 ,  H01M2004/028

Abstract: An electrode material includes an aggregate which is formed by aggregating electrode active material particles having a carbonaceous film forced on the surface thereof, in which a volume density of the aggregate is 50% by volume or more and 80% by volume or less of the volume density of a solid body which has the same external appearance as the aggregate, a coverage ratio of the carbonaceous film with respect to the surface of the electrode active material particles is 80% or more, and an average thickness of the carbonaceous film is 1.0 nm or more and 7.0 nm or less.

Abstract translation: 电极材料包括通过聚集具有强制在其表面上的碳质膜的电极活性物质颗粒形成的聚集体，其中，骨料的体积密度为体积百分比为50体积％以上且体积的80体积％以下 具有与骨料相同外观的固体的密度，碳质膜相对于电极活性物质粒子的表面的覆盖率为80％以上，碳质膜的平均厚度为1.0nm 以上且7.0nm以下。

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：US20140322604A1

公开(公告)日：2014-10-30

申请号：US14259188

申请日：2014-04-23

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Takao KITAGAWA ,  Akinori YAMAZAKI

IPC: H01M4/58 ,  H01M4/62 ,  C01B25/45 ,  H01M4/36

CPC classification number: H01M4/5825 ,  C01B25/45 ,  H01M4/364 ,  H01M4/366 ,  H01M4/5815 ,  H01M4/587 ,  H01M4/625

Abstract: An electrode-active material includes sulfur or a sulfur compound in particles represented by LixAyDzPO4 (wherein A represents one or two or more elements selected from the group consisting of Co, Mn, Ni, Fe, Cu, and Cr; D represents one or two 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: 电极活性材料包括由LixAyDzPO4表示的颗粒中的硫或硫化合物（其中A表示选自Co，Mn，Ni，Fe，Cu和Cr中的一种或两种以上的元素; D表示一个或两个 或更多选自Mg，Ca，Sr，Ba，Ti，Zn，B，Al，Ga，In，Si，Ge，Sc，Y和稀土元素的元素; 0

公开(公告)号：US20140212761A1

公开(公告)日：2014-07-31

申请号：US14164831

申请日：2014-01-27

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Takao KITAGAWA ,  Tetsuya NAKABEPPU

IPC: H01M4/583

CPC classification number: H01M4/583 ,  H01M4/366 ,  H01M4/5825 ,  H01M10/0525 ,  Y02E60/122

Abstract: An electrode material of the invention includes an agglomerate formed by agglomerating carbonaceous coated electrode active material particles obtained by forming a carbonaceous coat on surfaces of electrode active material particles at a coating rate of 80% or more, and the carbonaceous coated electrode active material particles include first carbonaceous coated electrode active material particles on which a carbonaceous coat having a film thickness in a range of 0.1 nm to 3.0 nm and an average film thickness in a range of 1.0 nm to 2.0 nm is formed and second carbonaceous coated electrode active material particles on which a carbonaceous coat having a film thickness in a range of 1.0 nm to 10.0 nm and an average film thickness in a range of more than 2.0 nm to 7.0 nm is formed.

Abstract translation: 本发明的电极材料包括通过以80％以上的涂布速度将电极活性物质粒子的表面形成碳质涂层而得到的含碳涂层电极活性物质粒子凝集而形成的附聚物，碳质涂覆电极活性物质粒子 在其上形成具有膜厚度在0.1nm至3.0nm且平均膜厚度在1.0nm至2.0nm范围内的碳质涂层的第一含碳涂层电极活性材料颗粒，并且第二碳质涂覆电极活性材料颗粒在 其中形成膜厚在1.0nm至10.0nm范围内的平均膜厚度在大于2.0nm至7.0nm的范围内的碳质涂层。

公开(公告)号：US20190103610A1

公开(公告)日：2019-04-04

申请号：US15936094

申请日：2018-03-26

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Masataka OYAMA ,  Takao KITAGAWA

IPC: H01M4/58 ,  H01M4/36 ,  H01M4/587 ,  H01M4/62 ,  H01M4/66 ,  H01M4/04 ,  H01M10/0525

Abstract: A cathode material fora lithium-ion secondary battery which includes granulated bodies in which primary particles are aggregated, wherein an average particle diameter of the granulated bodies is 4.50 μm or more and 6.20 μm or less, and particle diameters of 90% or more of the granulated bodies are 1.00 μm or more and 11.00 μm or less, wherein particle diameters of the granulated bodies are evaluated such that 300 granulated bodies are randomly selected from a view of the granulated bodies using a scanning electron microscope, a plurality of diameters of each of the 300 granulated bodies that pass through a central point thereof are evaluated, and a maximum diameter selected from the plurality of diameters is considered as a particle diameter of each of granulated bodies.

公开(公告)号：US20180309128A1

公开(公告)日：2018-10-25

申请号：US15936005

申请日：2018-03-26

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Masataka OYAMA ,  Koji OONO ,  Takao KITAGAWA

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

CPC classification number: H01M4/5825 ,  C01B25/45 ,  C01P2004/50 ,  C01P2004/53 ,  C01P2004/61 ,  C01P2004/62 ,  C01P2006/40 ,  H01M4/136 ,  H01M4/366 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/028 ,  H01M2220/20

Abstract: A cathode material is provided which comprises secondary particles of cathode active material particles including central particles of LixFeyMzPO4 and a carbonaceous film which coats the central particles, wherein a particle size distribution thereof has maximum values of a relative particle amount on both fine and coarse particle sides. A particle diameter with the maximum relative particle amount on the fine particle side is in a range A of 0.70 μm to 2.00 μm, and a particle diameter with the maximum relative particle amount on the coarse particle side is in a range B of 7.00 μm to 15.00 μm. A difference between maximum values of a relative particle amount is 2.00% to 6.00%.

公开(公告)号：US20180097231A1

公开(公告)日：2018-04-05

申请号：US15433832

申请日：2017-02-15

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Masataka OYAMA ,  Takao KITAGAWA

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

Abstract: A cathode material for a lithium-ion secondary battery of the present invention is active material particles including central particles represented by LixAyMzPO4 and a carbonaceous film that coats surfaces of the central particles, in which a median diameter is 0.50 μm or more and 0.80 μm or less, and a chromaticity b* in an L*a*b* color space is 1.9 or more and 2.3 or less.

公开(公告)号：US20170092938A1

公开(公告)日：2017-03-30

申请号：US15009312

申请日：2016-01-28

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Kouji OONO ,  Hirofumi YASUMIISHI ,  Takao KITAGAWA

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

CPC classification number: H01M4/366 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/0525 ,  H01M2004/021 ,  H01M2004/028

Abstract: An electrode material tor a lithium-ion rechargeable battery of the present invention includes inorganic particles represented by General Formula LiFexMn1-x-yMyPO4 (0.05≦x≦1.0, 0≦y≦0.14; 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) and a carbonaceous film coating surfaces of the inorganic particles, and at least one peak of a micropore diameter distribution is present in a range of 0.4 nm to 5.0 nm. An electrode for a lithium-ion rechargeable battery of the present invention includes the electrode material for a lithium-ion rechargeable battery of the present invention. A lithium-ion rechargeable battery of the present invention includes a cathode, an anode, and a non-aqueous electrolyte, in which the electrode for a lithium-ion rechargeable battery of the present invention is used as the cathode.

公开(公告)号：US20170092937A1

公开(公告)日：2017-03-30

申请号：US14996069

申请日：2016-01-14

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

Inventor： Masataka OYAMA ,  Kouji OONO ,  Takao KITAGAWA

IPC: H01M4/36 ,  H01M4/1391 ,  H01M4/134 ,  H01M4/136 ,  H01M4/62 ,  H01M4/58 ,  H01M10/0525 ,  H01M4/04

CPC classification number: H01M4/366 ,  C01B25/45 ,  H01M4/0416 ,  H01M4/0471 ,  H01M4/134 ,  H01M4/136 ,  H01M4/1391 ,  H01M4/5825 ,  H01M4/625 ,  H01M10/052 ,  H01M10/0525 ,  H01M2004/028

Abstract: Provided are an electrode material for a lithium-ion rechargeable battery including core particles of an active material and a carbonaceous film, in which a powder resistance is 150 Ω·cm or less, and a lithium-ion rechargeable battery produced using the electrode material and a lithium metal exhibits a difference between a sum of a charge capacity with an upper limit voltage of 4.2 V and the lithium-ion rechargeable battery charged at a constant current and a charge capacity with the lithium-ion rechargeable battery charged at a constant voltage for seven days at 4.2 V after the constant current charging and a discharge capacity with the lithium-ion rechargeable battery discharged at a constant current to 2 V after the constant voltage charging reaches 25 mAh/g or less, a method for manufacturing the electrode material, an electrode including the electrode material, and a lithium-ion rechargeable battery including the electrode as a cathode.

公开(公告)号：US20160322630A1

公开(公告)日：2016-11-03

申请号：US14946484

申请日：2015-11-19

Applicant: SUMITOMO OSAKA CEMENT CO., LTD.

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

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

CPC classification number: H01M4/366 ,  H01M4/5825 ,  H01M10/0525

Abstract: A positive electrode material for lithium ion secondary batteries includes central particles composed of LiFexMn1-x-yMyPO4 (0.05≦x≦1.0, 0≦y≦0.14, wherein 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), and a carbonaceous film that covers surfaces of the central particles, in which a specific magnetization is 0.70 emu/g or less, and an amount of water detected by a Karl Fischer titration method (coulometric titration method) in a temperature range of 100° C. or higher and 250° C. or lower is 8,000 ppm or less.

Abstract translation: 用于锂离子二次电池的正极材料包括由LiFexMn1-x-yMyPO4（0.05≤x≤1.0,0≤y≤0.14）组成的中心粒子，其中M表示选自Mg，Ca，Co，Sr，Ba中的至少一种元素 ，Ti，Zn，B，Al，Ga，In，Si，Ge和稀土元素）和覆盖中心粒子表面的含碳膜，其特定磁化强度为0.70emu / g以下， 在100℃以上且250℃以下的温度范围内通过卡尔费休滴定法（库仑滴定法）检测的水量为8,000ppm以下。