DataVXAdvanced Energy MaterialsPaper
journal article·2024-01Open access

Activity Restoration of Pt–Ni Octahedron via Phase Recovery for Anion Exchange Membrane‐Unitized Regenerative Fuel Cells (Adv. Energy Mater. 2/2024)

Cheoulwoo Oh, Man Ho Han, Young‐Jin Ko, Jun Sik Cho, Min Wook Pin, Peter Strasser, Jae‐Young Choi, Hansung Kim, Chang Hyuck Choi, Woong Hee Lee, Hyung‐Suk Oh

Advanced Energy Materials· Volume 14· Issue 2
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Source abstract

Abstract

Fuel Cells In article number 2302971 Hansung Kim, Chang Hyuck Choi, Woong Hee Lee, Hyung-Suk Oh and co-workers report the underlying mechanism of Pt-Ni octahedron activity restoration as a new strategy to enhance durability for anion exchange membrane-based unitized regenerative fuel cells (AEM-URFCs). The alkaline electrolyte induces nickel oxide passivation on the (111) facet of the Pt-Ni octahedron to reduce the dissolution of Pt, demonstrating stable operation of a AEM-URFC single cell over 10 cycles with recovery process.
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Research context

Energy storage

OpenAlex topics: Fuel Cells and Related Materials · Electrocatalysts for Energy Conversion · Conducting polymers and applications

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Affiliations

Clean Energy Research Center Korea Institute of Science and Technology (KIST) Seoul 02792 Republic of Korea

Department of Chemistry Pohang University of Science and Technology (POSTECH) Pohang 37673 Republic of Korea

Analysis and Assessment Group Research Institute of Industrial Science and Technology (RIST) Pohang 37673 Republic of Korea

Department of Chemistry Chemical Engineering Division Technical University Berlin 10623 Berlin Germany

School of Advanced Materials Science and Engineering Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea

KIST‐SKKU Carbon‐Neutral Research Center Sungkyunkwan University (SKKU) Suwon 16419 Republic of Korea

Department of Chemical and Biomolecular Engineering Yonsei University Seoul 03722 Republic of Korea

Institute for Convergence Research and Education in Advanced Technology (I‐CREATE) Yonsei University Seoul 03722 Republic of Korea

References

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