NiO–CeO2 Heterostructure Electrocatalyst

Low HER overpotential with strong interfacial charge transfer

Optimized hydrogen adsorption free energy through interfacial charge transfer between NiO and CeO2 enables efficient hydrogen evolution in alkaline media.

Hao, Xiaodong · Zhang, Xishuo · Xu, Yang · Hu, Zhuangzhuang · Wu, Lei · Feng, Xinyi · Zhang, Jin · Liu, Yi · Yin, Deqiang · Ma, Shufang · Xu, Bingshe

Journal of Colloid and Interface Science 2023

Specifications

KOH

{'zh': '10', 'en': ''} mA·cm⁻²

斜率

{'zh': '78.4', 'en': ''} mV·dec⁻¹

Advantages

Interfacial charge transfer from Ni to Ce, reducing Ce valence and increasing oxygen vacancy (V_O) formation