A highly active NiCe(Fe)O x H y electrocatalyst for the oxygen evolution reaction with ultralow Fe leaching

Zicong Zhang; Xiurui An; Jianzhong Chen; Pengfei Zhang; Ying Zhang; Jie Zhang; Yi Lu; Panwang Zhou; Junyuan Xu; Min Guan; Chang Li

doi:10.1039/d5ta08854b

January 1, 2026Journal of Materials Chemistry A

A highly active NiCe(Fe)O x H y electrocatalyst for the oxygen evolution reaction with ultralow Fe leaching

View Full Paper

Ask AI

Bookmark

Share

Key Points

The aim is to develop an efficient electrocatalyst for the oxygen evolution reaction while minimizing Fe leaching.
Incorporation of CeOx to disperse Fe species within the Ni(OH)2–CeO2 framework.
Analysis of Fe leaching suppression rates.
Investigation of interfacial charge modulation at Ni(Fe)(OH)2–Ce(Fe)O2 boundaries.
Fe leaching is suppressed by more than 98% due to CeOx incorporation.
Dispersed Fe enhances the interfacial charge, leading to improved catalytic activity.
Generation of dual Ni–O sites significantly boosts the oxygen evolution reaction efficiency.

Ask about this paper

Answers are grounded in this paper and cite their sources.

Implication

Demonstrates enhanced oxygen evolution reaction activity in a novel electrocatalyst, suggesting a significant reduction in iron leaching.

Abstract

CeO x incorporation disperses Fe species in Ni(OH) 2 –CeO 2 , suppressing Fe leaching by >98%. Dispersed Fe modulates interfacial charge at Ni(Fe)(OH) 2 –Ce(Fe)O 2 boundaries, generating dual Ni–O sites that synergistically enhance OER activity.

Discussion

No takes yet. Share an insight, caveat, or question.

Cite This Study

Zhang et al. (2026) studied this question.

synapsesocial.com/papers/6996a8c7ecb39a600b3efd27 https://doi.org/10.1039/d5ta08854b

View Full Paper

Ask AI

Bookmark

Share

A highly active NiCe(Fe)O x H y electrocatalyst for the oxygen evolution reaction with ultralow Fe leaching

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

A highly active NiCe(Fe)O x H y electrocatalyst for the oxygen evolution reaction with ultralow Fe leaching

Key Points

Ask about this paper

Implication

Abstract

Discussion

Cite This Study

Keep reading

Keep reading