Colloidal-nanoparticle-derived nickel/ferric oxide heterointerfaces for promoting the alkaline oxygen evolution reaction

• DOI: 10.1039/d4ta09280e
• Publication Date: 2025-03-25T07:42:08Z
• Authors: Wooseok Jeong; Yun-Kun Hong; Hoyoung Kim; Yoonsu Park; Yun Jae Hwang; Yeongbin Lee; Goohwan Kim; Hyungbin Son; Jinwoo Lee; Don-Hyung Ha

Colloidal Ni/Fe2O3 nanoparticles present superior alkaline OER performances based on both the intra- and inter-particle heterointerfaces, achieving low overpotential (199 mV @ 10 mA cm−2) and high current density of AEMWE (5.13 A cm−2 @ 2 Vcell).