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Durability enhancement of anion exchange membranes for water electrolysis: an updated review
마하무다아크테르,박종혁,김범석,이민영,정다혜,신지윤,박진수 한국표면공학회 2022 한국표면공학회지 Vol.55 No.6
Ion exchange membranes have been developed from laboratory tools to industrial products with significant technical and trade impacts in the last 70 years. Today, ion exchange membranes are successfully applied for water and energy for different electro-membrane processes. Hydrogen could be produced by electrochemical water splitting using renewable energy, for example, solar, biomass, geothermal and wind energy. This review briefly summarizes the recent studies reporting the state-of-the-art anion-exchange membrane water electrolysis, especially focusing on the enhancement of the durability of anion-exchange membranes. Anion-exchange membrane water electrolysis could be used as inexpensive non-noble metal electrocatalysts that are capable of producing low cost of hydrogen. However, the main challenge of anion-exchange membrane water electrolysis is to increase the performance and durability. In this mini review, the limiting factors of the durability and the technology enhancing the durability will be discussed for anion exchange membrane water electrolysis.
고분자 전해질 연료전지 및 수전해용 촉매층의 이오노머 바인더
박종혁,마하무다아크테르,김범석,정다혜,이민영,신지윤,박진수,Park, Jong-Hyeok,Akter, Mahamuda,Kim, Beom-Seok,Jeong, Dahye,Lee, Minyoung,Shin, Jiyun,Park, Jin-Soo 한국전기화학회 2022 한국전기화학회지 Vol.25 No.4
Polymer electrolyte fuel cells and water electrolysis are attracting attention in terms of high energy density and high purity hydrogen production. The catalyst layer for the polymer electrolyte fuel cell and water electrolysis is a porous electrode composed of a precious metal-based electrocatalyst and an ionomer binder. Among them, the ionomer binder plays an important role in the formation of a three-dimensional network for ion conduction in the catalyst layer and the formation of pores for the movement of materials required or generated for the electrode reaction. In terms of the use of commercial perfluorinated ionomers, the content of the ionomer, the physical properties of the ionomer, and the type of the dispersing solvent system greatly determine the performance and durability of the catalyst layer. Until now, many studies have been reported on the method of using an ionomer for the catalyst layer for polymer electrolyte fuel cells. This review summarizes the research results on the use of ionomer binders in the fuel cell aspect reported so far, and aims to provide useful information for the research on the ionomer binder for the catalyst layer, which is one of the key elements of polymer electrolyte water electrolysis to accelerate the hydrogen economy era.
고분자 전해질 연료전지 및 수전해용 촉매층의 이오노머 바인더
박종혁,마하무다아크테르,김범석,정다혜,이민영,신지윤,박진수 한국전기화학회 2023 한국전기화학회지 Vol.26 No.4
Vol. 25, No. 4, 2022, 174-183. https://doi.org/10.5229/JKES.2022.25.4.174의 영문 제목을 아래와 같이 정정합니다. 수정 전: Ionomer Binder in Catalyst Layer for Polymer Electrolyte Membrane Fuel Cell and Water Electrolysis: An Undated Review 수정 후: Ionomer Binder in Catalyst Layer for Polymer Electrolyte Membrane Fuel Cell and Water Electrolysis: An Updated Review