Ru Nanosheets

Reversible oxidation enriches active interfaces

Ru nanosheets exhibit anomalous reversible phase transformation from oxidized to metallic state, generating abundant Ru─RuO₂ heterointerfaces with active sites for alkaline HER.

Xiao, Xiong · Shen, Yongli · Xi, Wei · Lin, Gu · Li, Xiaogang · Xi, Baojuan · Xiong, Shenglin · An, Changhua

Angewandte Chemie - International Edition 2025

Advantages

Anomalous reversible phase transformation from oxidized to metallic phase during oxidation

Generates abundant Ru─RuO₂ heterointerfaces

For electrochemical alkaline hydrogen evolution reaction