Sang-Mun Jung, Yoona Kim, Byung-Jo Lee, Hyeonjung Jung, Jaesub Kwon, Jinhyeon Lee, Kyu-Su Kim, Young-Woo Kim, Ki-Jeong Kim, Hyun-Seok Cho, Jong Hyeok Park, Jeong Woo Han, Yong-Tae Kim
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Reverse-Current Tolerance for Hydrogen Evolution Reaction Activity of Lead-Decorated Nickel Catalysts in Zero-Gap Alkaline Water Electrolysis Systems (Adv. Funct. Mater. 27/2024)
Alkaline Water Electrolysis
In article number 2316150, Yong-Tae Kim and co-workers introduce a catalytic approach for enhancing the RC by decorating lead on Ni catalysts. Decorating Ni catalyst with lead (Pb/Ni) catalyst exhibits improved HER activity as well as remarkable RC-flow resistance. The decoration of the Ni catalyst with Pb offers high-RCSFη (6.35) and -RCAFη (14.11 mA cm−2) under repetitive shutdown conditions, which are 5 times higher than those of bare Ni. Moreover, they validate the operational durability of Pb/Ni against RC flow phenomena using an actual AWE stack.
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