Title:
METHOD FOR MANUFACTURING SEPARATOR USED FOR POLYMER ELECTROLYTE MEMBRANE WATER ELECTROLYZER
Document Type and Number:
WIPO Patent Application WO/2023/085527
Kind Code:
A1
Abstract:
The present invention relates to a method for manufacturing a separator. The method for manufacturing a separator according to the present invention, which is a method for manufacturing a separator used for a polymer electrolyte membrane water electrolyzer, comprises: a shape processing step that processes a shape using stainless steel; a polishing step of polishing a surface of the processed shape; and a coating step of coating the polished surface with a highly corrosive substance.
Inventors:
CHA SUK WON (KR)
CHOI IN WON (KR)
YU SANGBONG (KR)
JEONG WONYEOP (KR)
KIM YANGJAE (KR)
CHOI IN WON (KR)
YU SANGBONG (KR)
JEONG WONYEOP (KR)
KIM YANGJAE (KR)
Application Number:
PCT/KR2022/004613
Publication Date:
May 19, 2023
Filing Date:
March 31, 2022
Export Citation:
Assignee:
SEOUL NAT UNIV R&DB FOUNDATION (KR)
International Classes:
C25B13/02; C23C14/02; C23C14/16; C23F17/00; C25B1/04; C25B9/23; C25B9/77; C25B13/08; C25F3/24; C25F7/00
Foreign References:
| KR20100095708A | 2010-09-01 | |||
| KR20110034226A | 2011-04-05 | |||
| CN111910233A | 2020-11-10 |
Other References:
KIM YU-SUNG, LEE IN-SIK, CHOI JIN-YOUNG, JUN SHINHEE, KIM DAEIL, CHA BYUNG-CHUL, KIM DAE-WOOK: "Corrosion Behavior of Niobium-Coated 316L Stainless Steels as Metal Bipolar Plates for Polymer Electrolyte Membrane Fuel Cells", MATERIALS, vol. 14, no. 17, 31 August 2021 (2021-08-31), pages 4972, XP093066461, DOI: 10.3390/ma14174972
KIM JUN-HO, KIM SUN-KWANG, YOU YONG-ZOO, KIM DAE-IL, HONG SUNG-TAE, SUH HO-CHEOL, WEIL K. SCOTT: "Niobium Sputter Coated Stainless Steel as a Bipolar Plate Material for Polymer Electrolyte Membrane Fuel Cell Stacks", INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE, ELECTROCHEMICAL SCIENCE GROUP, SERBIA, vol. 6, no. 9, 1 September 2011 (2011-09-01), Serbia , pages 4365 - 4377, XP093066457, ISSN: 1452-3981, DOI: 10.1016/S1452-3981(23)18334-9
JEONG, W. et al. Development of tantalum coated SUS bipolar plates for PEM water electrolysis. In: 2021년도 춘계총회 및 학술발표회, 한국전기화학회 (2021 Spring Meeting & Academic Presentation of the Korean Electrochemical Society). 09 April 2021, pp. 1-5.
KIM JUN-HO, KIM SUN-KWANG, YOU YONG-ZOO, KIM DAE-IL, HONG SUNG-TAE, SUH HO-CHEOL, WEIL K. SCOTT: "Niobium Sputter Coated Stainless Steel as a Bipolar Plate Material for Polymer Electrolyte Membrane Fuel Cell Stacks", INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE, ELECTROCHEMICAL SCIENCE GROUP, SERBIA, vol. 6, no. 9, 1 September 2011 (2011-09-01), Serbia , pages 4365 - 4377, XP093066457, ISSN: 1452-3981, DOI: 10.1016/S1452-3981(23)18334-9
JEONG, W. et al. Development of tantalum coated SUS bipolar plates for PEM water electrolysis. In: 2021년도 춘계총회 및 학술발표회, 한국전기화학회 (2021 Spring Meeting & Academic Presentation of the Korean Electrochemical Society). 09 April 2021, pp. 1-5.
Attorney, Agent or Firm:
CHO, Young Hyun (KR)
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