公开(公告)号：US11283093B2

公开(公告)日：2022-03-22

申请号：US16343522

申请日：2017-12-22

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho Kim ,  Hyeong Su Kim

IPC: H01M8/1004 ,  H01M4/88 ,  C04B41/48 ,  C01B32/18 ,  C01B32/194 ,  C01B32/168 ,  C09C1/56 ,  C09C3/10 ,  H01M4/86

Abstract: Disclosed are a method for manufacturing an electrode, an electrode manufactured thereby, a membrane-electrode assembly including the electrode, and a fuel cell containing the membrane-electrode assembly. The method includes the steps of: preparing an electrode forming composition by mixing a catalyst with an ionomer; applying a low-frequency acoustic energy to the electrode forming composition to perform resonant vibratory mixing so as to coat the ionomer on the surface of the catalyst; and coating the electrode forming composition to manufacture an electrode.

公开(公告)号：US11557782B2

公开(公告)日：2023-01-17

申请号：US17592595

申请日：2022-02-04

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho Kim ,  Hyeong Su Kim

IPC: H01M4/86 ,  H01M4/88 ,  H01M8/1004 ,  C09C3/10 ,  C01B32/18 ,  C01B32/194 ,  C01B32/168 ,  C09C1/56 ,  C04B41/48

Abstract: Disclosed are a method for manufacturing an electrode, an electrode manufactured thereby, a membrane-electrode assembly including the electrode, and a fuel cell containing the membrane-electrode assembly. The method includes the steps of: preparing an electrode forming composition by mixing a catalyst with an ionomer; applying a low-frequency acoustic energy to the electrode forming composition to perform resonant vibratory mixing so as to coat the ionomer on the surface of the catalyst; and coating the electrode forming composition to manufacture an electrode.

公开(公告)号：US10985381B2

公开(公告)日：2021-04-20

申请号：US16079815

申请日：2017-03-27

Applicant: KOLON INDUSTRIES, INC.

Inventor： Jung Ho Kim ,  Han Moon Cho ,  Hyeong Su Kim ,  Gyong Bum Ko

IPC: H01M4/02 ,  H01M4/90 ,  H01M4/86 ,  H01M4/88 ,  H01M8/1018

Abstract: A nanostructured electrode for a polymer electrolyte fuel cell, a manufacturing method thereof, and a fuel cell including the nanostructured electrode are provided. The nanostructured electrode includes: a three-dimensional nanostructure including a nanoporous aerogel and an ionomer surrounding the surface of the aerogel; and a catalyst dispersed in the three-dimensional nanostructure. The electrode can obtain excellent current density and power density even with a relatively small amount of catalyst by having improved catalyst performance due to nanostructuring of an ionomer, uniform catalyst dispersion and increased catalyst utilization ratio, can also obtain a price reduction effect through a decrease in the amount of catalyst used, and is excellent in the mass transfer efficiency and low humidification performance.