Acid-Etched High-Entropy Perovskite Oxide

Synergistic Etching & Entropy

The synergistic effect of high-entropy strategy and acid treatment exposes more B-site active sites and optimizes electronic structure for enhanced alkaline OER.

Wang, Kaiteng · Zhou, Jun · Xiaoyu, Deng · Shuo, Wu · Ji, Wu · Yuan, Gao · Ke, Deng · Jiaxi, Niu · Fu, Lei · Wu, Kai

Journal of Power Sources 2025

Advantages

Reaches 10 mA cm⁻² at an overpotential of 270 mV

A/B atomic ratio significantly decreased