公开(公告)号：US20180212266A1

公开(公告)日：2018-07-26

申请号：US15883325

申请日：2018-01-30

Applicant: SHOWA DENKO K.K.

Inventor： Kenzo HANAWA ,  Masatoshi ICHIKAWA ,  Gaku ORIJI ,  Irwansyah ,  Keizo ISEKI

IPC: H01M8/18 ,  H01M8/04186 ,  H01M8/0234 ,  H01M4/94 ,  H01M2/40

Abstract: A redox flow battery is provided, including an ion-exchange membrane, a current collector plate, and an electrode that is disposed between the ion-exchange membrane and the current collector plate. The electrode includes a main electrode layer in which an electrolytic solution flows from a surface on the current collector plate side to a surface on the ion-exchange membrane side, and the main electrode layer includes a plurality of main electrode pieces which are arranged in parallel in a plane direction.

公开(公告)号：US20180366736A1

公开(公告)日：2018-12-20

申请号：US15563013

申请日：2016-04-01

Applicant: SHOWA DENKO K.K.

Inventor： Masatoshi ICHIKAWA ,  Keizo ISEKI ,  Gaku ORIJI ,  Kenzo HANAWA

IPC: H01M4/70 ,  H01M4/86 ,  H01M8/18 ,  H01M4/66 ,  H01M4/36

Abstract: An electrode material including a conductive sheet containing carbon nanotubes having an average fiber diameter of 1 μm or less; a liquid inflow member that is formed on a first surface of the conductive sheet such that an electrolyte solution that is passed therethrough flows into the conductive sheet; and a liquid outflow member that is formed on a second surface of the conductive sheet and out of which flows the electrolyte solution that has passed through the conductive sheet; wherein, when using a sheet surface of the conductive sheet as a reference plane, the Darcy permeability, in an in-plane direction, inside the liquid inflow member, is at least 100 times the Darcy permeability, in a normal direction, through the conductive sheet.

公开(公告)号：US20140199475A1

公开(公告)日：2014-07-17

申请号：US14217995

申请日：2014-03-18

Applicant: SHOWA DENKO K.K.

Inventor： Akihisa TONEGAWA ,  Akihiko SHIRAKAWA ,  Isao KABE ,  Gaku ORIJI

IPC: C01B25/16

CPC classification number: C01B25/16 ,  H01M4/0471 ,  H01M4/139 ,  H01M4/366 ,  H01M4/5825 ,  H01M10/052 ,  Y02P20/134

Abstract: A positive electrode active material for a lithium secondary battery having a core portion and a shell layer is employed in which the core portion is represented by Lix1M1y1Pz1O4 (where, M1 represents an element such as Mg, Ca, Fe or Mn, and the letters x1, y1 and z1 representing composition ratios are respectively such that 0

Abstract translation: 使用具有芯部和壳层的锂二次电池用正极活性物质，其中芯部由Lix1M1y1Pz1O4表示（其中，M1表示Mg，Ca，Fe或Mn等元素，字母x1 ，表示组成比的y1和z1分别使得0

公开(公告)号：US20180135149A1

公开(公告)日：2018-05-17

申请号：US15863193

申请日：2018-01-05

Applicant: SHOWA DENKO K.K.

Inventor： Gaku ORIJI ,  Kenzo HANAWA

IPC: C22B34/22 ,  H01M8/18 ,  C22B7/00 ,  C01G31/02

Abstract: This method for producing a vanadium compound has an alkaline leaching step for immersing incineration ash in an alkaline solution to cause vanadium to leach from the incineration ash into the alkaline solution and obtain a leachate slurry, a solid-liquid separation step for separating the leachate slurry obtained in the alkaline leaching step into a solid and liquid followed by removing insoluble matter to obtain a leachate, a pH adjustment step for adding acid to the leachate following solid-liquid separation to make the leachate acidic, an aging step for aging the leachate following pH adjustment until a precipitate forms in the leachate, and a separation step for separating the precipitate from the leachate following the aging step.

公开(公告)号：US20180034066A1

公开(公告)日：2018-02-01

申请号：US15538308

申请日：2015-12-24

Applicant: SHOWA DENKO K.K.

Inventor： Keizo ISEKI ,  Masatoshi ICHIKAWA ,  Gaku ORIJI ,  Kenzo HANAWA

IPC: H01M4/96 ,  H01M8/18 ,  H01M8/0202

Abstract: A redox flow electrode according to one aspect of the present invention is a redox flow battery electrode disposed between an ion exchange membrane and a bipolar plate, wherein the electrode includes a conductive sheet containing carbon nanotubes having an average fiber diameter of 1 μm or less, and a porous sheet that is laminated to the conductive sheet and is formed from fibers having an average fiber diameter of greater than 1 μm.

公开(公告)号：US20140203218A1

公开(公告)日：2014-07-24

申请号：US14223344

申请日：2014-03-24

Applicant: SHOWA DENKO K.K.

Inventor： Akihisa TONEGAWA ,  Akihiko SHIRAKAWA ,  Isao KABE ,  Gaku ORIJI

IPC: C01B25/45 ,  H01M4/1397 ,  H01M4/04

CPC classification number: C01B25/45 ,  H01M4/0402 ,  H01M4/0471 ,  H01M4/1397 ,  H01M4/366 ,  H01M4/5825

Abstract: A method is employed for producing a positive electrode active material for a lithium secondary battery that comprises mixing lithium phosphate having a particle diameter D90 of 100 μm or less, an M element-containing compound having a particle diameter D90 of 100 μm or less (where, M is one type or two or more types of elements selected from the group consisting of Mg, Ca, Fe, Mn, Ni, Co, Zn, Ge, Cu, Cr, Ti, Sr, Ba, Sc, Y, Al, Ga, In, Si, B and rare earth elements) and water, adjusting the concentration of the M element with respect to water to 4 moles/L or more to obtain a raw material, and producing olivine-type LiMPO4 by carrying out hydrothermal synthesis using the raw material.

Abstract translation: 制造锂二次电池用正极活性物质的方法是将粒径D90为100μm以下的磷酸锂与粒径D90为100μm以下的M元素化合物混合（其中， M是从Mg，Ca，Fe，Mn，Ni，Co，Zn，Ge，Cu，Cr，Ti，Sr，Ba，Sc，Y，Al中选出的一种或两种以上的元素， Ga，In，Si，B和稀土元素）和水，将M元素相对于水的浓度调节至4摩尔/ L以上，得到原料，通过进行水热合成来制造橄榄石型LiMPO 4 使用原料。