DataVXACS Applied Nano MaterialsPaper
journal article·2022-12-23

Metastable Metal–Alloy Interface in RuNi Nanoplates Boosts Highly Efficient Hydrogen Electrocatalysis

Miaomiao Fang, Yujin Ji, Shize Geng, Jiaqi Su, Youyong Li, Qi Shao, Jianmei Lu

ACS Applied Nano Materials· Volume 5· Issue 12
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Source abstract

Abstract

Designing a unique metastable interface provides a promising way to achieve high catalytic performance yet remains a great challenge due to the thermodynamics’ unstable nature. In this work, we constructed the stabilized metastable interface between metastable ruthenium–nickel alloy and metastable hexagonal–close-packed nickel via a one-step solvothermal method. The optimized nanocatalyst (denoted as hcp RuNi) shows bifunctional performance toward electrochemical hydrogen oxidation and evolution reactions (HOR/HER). Density functional theory calculations reveal that two different reaction sites at the unique interface contribute to the enhanced HER and HOR performances. This work highlights the important role on interface engineering of metastable materials for highly efficient catalysis.
Source: openalex_inverted_index · Quality: baseline

Research context

Metals & alloysNanomaterialsCatalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Advanced battery technologies research · Electrochemical Analysis and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China

College of Chemistry, Institute of Functional Nano & Soft Materials (FUNSOM), Soochow University, Jiangsu 215123, China

Funding

Suzhou Municipal Science and Technology Bureau · Collaborative Innovation Center of Suzhou Nano Science and Technology · State Key Laboratory of Physical Chemistry of Solid Surfaces, Xiamen University · Natural Science Foundation of Jiangsu Province · National Natural Science Foundation of China · Priority Academic Program Development of Jiangsu Higher Education Institutions · Jiangsu Province

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