Reoriented Interfacial Water Structure Around Pd Enhances Oxygen Reduction Kinetics in Zn–Methanol–Air Batteries

Lyu, Lulu; Hu, Xu; Shao, Bing; Wang, Qichen; Shao, Gonglei; Lei, Jiacong; Fan, Wenqi; Lee, Dongjun; Zhou, Zhen; Kang, Yong‐Mook

doi:10.1002/anie.202523272

articleAngewandte Chemie International EditionJan 19, 2026BRONZE OA

Reoriented Interfacial Water Structure Around Pd Enhances Oxygen Reduction Kinetics in Zn–Methanol–Air Batteries

LLLulu Lyu XHXu Hu BSBing Shao QWQichen Wang GSGonglei Shao

Korea University · Nankai University · +3 more institutions

PubMed

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Abstract

Abstract The dynamics of interfacial water within the electrical double layer (EDL) play a pivotal role in governing charge transfer during electrocatalysis. While previous strategies primarily focused on modulating electrolyte compositions or pH to tune the EDL, tailoring the interfacial water structure through catalyst design remains underexplored. Herein, we report a composite catalyst comprising atomically dispersed cobalt sites (Co SA ) embedded in a N‐doped carbon matrix and palladium nanoparticles (PdCo NP @Co SA NC), which exhibits enhanced oxygen reduction reaction (ORR). In situ spectroscopy and density functional theory calculations reveal that Co SA incorporation induces a negative shift in the…

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Topics & keywords

Topics

Keywords

Bifunctional
Catalysis
Electrolyte
Nanoparticle
Redistribution (election)
Palladium
Oxygen
Kinetics

UN Sustainable Development Goals

Clean water and sanitation

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