DataVXACS Energy LettersPaper
journal article·2017-10-13

Ni2P(O)/Fe2P(O) Interface Can Boost Oxygen Evolution Electrocatalysis

Peng Fei Liu, Xu Li, Shuang Yang, Meng Yang Zu, Porun Liu, Bo Zhang, Li Rong Zheng, Huijun Zhao, Hua Gui Yang

ACS Energy Letters· Volume 2· Issue 10
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Source abstract

Abstract

Oxygen evolution reaction (OER) plays a paramount role in renewable energy technologies. However, the slow kinetics of OER seriously limits the overall performance and commercialization. Here, we rationally design a metallic Ni 2 P/Fe 2 P interface, which can be in situ oxidized to a Ni 2 P(O)/Fe 2 P(O) interface to enhance OER efficiency, with active doped oxyhydroxides and phosphates on the surface and conductive phosphide in the bulk. The resulting catalysts require a low overpotential of 179 mV to achieve a current density of 10 mA/cm 2 (without iR compensation) and can continuously drive OER for 120 h without any obvious degradation, which rivals most reported OER catalysts. These results suggest that we are able to design multicomponent metallic precatalysts to construct most active surface layers and conductive bulks, further boosting OER performance for real-world electrolysis utilization.
Source: openalex_inverted_index · Quality: baseline

Research context

Catalysis & surfaces

OpenAlex topics: Electrocatalysts for Energy Conversion · Fuel Cells and Related Materials · Advanced battery technologies research

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

Affiliations

Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China

Centre for Clean Environment and Energy, Gold Coast Campus, Griffith University, Queensland 4222, Australia

State Key Laboratory of Molecular Engineering of Polymers, Department of Macromolecular Science, Fudan University, Shanghai 200438, China

Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

Funding

Natural Science Foundation of Shanghai · State Administration of Foreign Experts Affairs · Ministry of Education of the People's Republic of China · Science and Technology Commission of Shanghai Municipality · National Natural Science Foundation of China

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