Speciation and electronic structure of La1−xSrxCoO3−δ during oxygen electrolysis

• Main Authors: Stoerzinger, Kelsey A., Wang, Renshaw Xiao, Hwang, Jonathan, Rao, Reshma R., Hong, Wesley T., Rouleau, C. M., Lee, Dongwook, Yu, Yi, Crumlin, Ethan J., Shao-Horn, Yang
• Other Authors: School of Electrical and Electronic Engineering
• Format: Article
• Language: English
• Published: 2020
• Subjects: Science::Chemistry; Electrocatalysis; Electrode-electrolyte Interface
• Online Access: https://hdl.handle.net/10356/139661
• Institution: Nanyang Technological University

Cobalt-containing perovskite oxides are promising electrocatalysts for the oxygen evolution reaction (OER) in alkaline electrolyzers. However, a lack of fundamental understanding of oxide surfaces impedes rational catalyst design for improved activity and stability. We couple electrochemical studies...