Surface Heterojunction Iridium Nanocrystals

Low overpotential for acidic OER

Achieves both high activity and robust stability for acidic oxygen evolution via a dynamically formed amorphous IrOx/Ir surface heterojunction under operating conditions.

Yang, Chenyu · Zhang, Xiuxiu · An, Qizheng · Liu, Meihuan · Zhou, Wanlin · Li, Yuanli · Fengchun, Hu · Liu, Qinghua · Su, Hui

Journal of Energy Chemistry 2023

Specifications

酸性全解水
{'zh': '10', 'en': ''} mA cm⁻²

Advantages

Requires only 202 mV overpotential to reach 10 mA cm⁻²

High mass activity of 1754 A g⁻¹

Maintains robust durability under continuous operation