公开(公告)号：US20190083957A1

公开(公告)日：2019-03-21

申请号：US16083606

申请日：2017-01-18

Applicant: NISSAN MOTOR CO., LTD. ,  TOYO TANSO CO., LTD.

Inventor： Takehiko OKUI ,  Hiroyuki TANAKA ,  Kazuki ARIHARA ,  Tetsuya MASHIO ,  Atsushi OHMA ,  Takahiro MORISHITA ,  Yoshio SHODAI

IPC: B01J21/18 ,  B01J23/42 ,  B01J37/08 ,  B01J37/34 ,  B01J35/00 ,  H01M4/90 ,  C01B32/20

Abstract: Provided are a carbon powder which can provide a catalyst exhibiting high performance and a catalyst. A carbon powder for fuel cell comprising carbon as a main component, which has a ratio (B/A) of an area B of peak 1 to an area A of peak 0 of more than 0 and 0.15 or less, wherein the area A represents an area of peak 0 at a position of 2θ=22.5° to 25° as observed by XRD analysis when the carbon powder for fuel cell is subjected to heat treatment at 1800° C. for 1 hour in an inert atmosphere, and the area B represents an area of peak 1 at a position of 2θ=26° as observed by XRD analysis when the carbon powder for fuel cell is subjected to heat treatment at 1800° C. for 1 hour in an inert atmosphere.

公开(公告)号：US20220127147A1

公开(公告)日：2022-04-28

申请号：US17551365

申请日：2021-12-15

Applicant: TOYO TANSO CO., LTD.

Inventor： Mizuho ANZAI ,  Takahiro MORISHITA ,  Yoshio SHODAI

IPC: C01B32/318 ,  C01B32/354 ,  B01J20/20 ,  B01J35/10 ,  H01M4/583

Abstract: A method of producing a porous carbon is provided that can change type of functional groups, amount of functional groups, or ratio of functional groups while inhibiting its pore structure from changing. A method of producing a porous carbon includes: a first step of carbonizing a material containing a carbon source and a template source, to prepare a carbonized product; and a second step of immersing the carbonized product into a template removing solution, to remove a template from the carbonized product, and the method is characterized by changing at least two or more of the following conditions: type of the material, ratio of the carbon source and the template source, size of the template, and type of the template removal solution, to thereby control type, amount, or ratio of functional groups that are present in the porous carbon.

公开(公告)号：US20240204210A1

公开(公告)日：2024-06-20

申请号：US18287183

申请日：2022-10-24

Applicant: TOYO TANSO CO., LTD. ,  THE DOSHISHA

Inventor： Minoru INABA ,  Yoshio SHODAI

IPC: H01M4/92 ,  C01B32/00

CPC classification number: H01M4/926 ,  C01B32/00 ,  C01P2002/72 ,  C01P2002/74 ,  C01P2006/12 ,  C01P2006/16

Abstract: Realized are a carbon support for a fuel cell catalyst and a catalyst for a fuel cell which have excellent durability and excellent catalytic activity when a catalyst metal is supported. A carbon support according to an embodiment of the present invention has diffraction peaks of a (002) plane which are observed at least at 2θ=22.5° to 25°, 26°, and 26.5° in an X-ray diffraction spectrum with CuKα rays, has an intensity ratio I(P1)/I(P2) between a peak P1 at 2θ=26° and a peak P2 at 2θ=26.5° of not less than 1.4, and has a BET specific surface area of not less than 1000 m2/g.

公开(公告)号：US20220328846A1

公开(公告)日：2022-10-13

申请号：US17615830

申请日：2020-06-03

Applicant: TOYO TANSO CO., LTD.

Inventor： Yoshio SHODAI ,  Mizuho ANZAI

IPC: H01M4/92 ,  H01M4/88 ,  H01M4/86

Abstract: A supported platinum catalyst having a high ratio of a diffraction peak intensity of a Pt (220) plane and having excellent oxidation resistance, obtained by a simple production method without using a polymer. The supported platinum catalyst includes a carbon support and platinum fine particles supported on the carbon support, the platinum fine particles being such that a ratio of a diffraction peak intensity of a (220) plane with respect to a total of diffraction peak intensities of a (111) plane, a (200) plane, and the (220) plane by X-ray diffraction is not less than 0.128.

公开(公告)号：US20210246033A1

公开(公告)日：2021-08-12

申请号：US17255768

申请日：2019-07-01

Applicant: TOYO TANSO CO., LTD.

Inventor： Mizuho ANZAI ,  Takahiro MORISHITA ,  Yoshio SHODAI

IPC: C01B32/318 ,  C01B32/354 ,  B01J20/20 ,  B01J35/10 ,  H01M4/583

Abstract: A method of producing a porous carbon is provided that can change type of functional groups, amount of functional groups, or ratio of functional groups while inhibiting its pore structure from changing. A method of producing a porous carbon includes: a first step of carbonizing a material containing a carbon source and a template source, to prepare a carbonized product; and a second step of immersing the carbonized product into a template removing solution, to remove a template from the carbonized product, and the method is characterized by changing at least two or more of the following conditions: type of the material, ratio of the carbon source and the template source, size of the template, and type of the template removal solution, to thereby control type, amount, or ratio of functional groups that are present in the porous carbon.

公开(公告)号：US20160064744A1

公开(公告)日：2016-03-03

申请号：US14786470

申请日：2014-04-14

Applicant: NISSAN MOTOR CO., LTD. ,  TOYO TANSO CO., LTD.

Inventor： Tetsuya MASHIO ,  Yoshihisa FURUYA ,  Ken Akizuki ,  Atsushi OHMA ,  Takahiro MORISHITA ,  Yoshio SHODAI

IPC: H01M4/92 ,  H01M8/10

Abstract: ObjectProvided is a catalyst having an excellent durability and being capable of lowering the cost of a fuel cell.Solving MeansDisclosed is a catalyst configured to include a support and alloy particles including platinum and a metal component other than platinum supported on the support, wherein the catalyst includes mesopores having a radius of 1 to 10 nm originated from the support, wherein a mode radius of the mesopores is in a range of 2.5 to 10 nm, and wherein the alloy particles have a catalyst function, and at least a portion of the alloy particles is supported inside the mesopores.

Abstract translation: 提供的目的是具有优异的耐久性并且能够降低燃料电池的成本的催化剂。 解决方法公开了一种催化剂，其被配置为包括载体和包含铂的合金颗粒和负载在载体上的铂以外的金属成分，其中所述催化剂包括起始于载体的半径为1至10nm的介孔，其中模式半径 的介孔在2.5〜10nm的范围内，其中合金粒子具有催化剂功能，并且至少一部分合金粒子被支撑在中孔内。