水处理/环境相关RuAdvanced Energy Materials

Tailoring the Orbital Overlap of RuO2 via Inductive Effect for Durable Proton Exchange Membrane Water Electrolysis

研究概述

用等价Hf⁴⁺掺杂调节RuO2中Ru(4d)–O(2p)轨道重叠，减弱过强共价性并抑制晶格氧活性，提高酸性析氧耐久性。Ru0.7Hf0.3O2用于PEM电解槽时，1.71 V达到3 A/cm²，比能耗44.58 kWh/kg H2；1 A/cm²稳定超过250小时。