DataVXACS Applied Materials & InterfacesPaper
journal article·2022-05-11

Boosting CO2 Electroreduction via Construction of a Stable ZnS/ZnO Interface

Yanpeng Song, Yi Wang, Jiaqi Shao, Ke Ye, Qi Wang, Guoxiong Wang

ACS Applied Materials & Interfaces· Volume 14· Issue 18
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Source abstract

Abstract

Carbon dioxide (CO2) electroreduction can offer a way of relieving environmental and energy issues. Gold and silver catalysts show considerable electrochemical performance for CO production; however, the electrochemical CO2 conversion to CO is still restricted by the Faradaic efficiency, current density, and stability over the catalysts. Non-noble metal (zinc) is considered as a promising catalyst for CO2 electroreduction because of its low cost. However, because of the electron-rich property of zinc, it has a weak adsorption capacity of intermediates, resulting in a poor CO2 electroreduction performance. In this work, ZnS nanoparticles are embedded onto the ZnO surface to construct a stable ZnS/ZnO interface structure. The ZnS/ZnO interface reaches a maximum current density of 327.2 ± 10.6 mA cm–2 with a CO Faradaic efficiency of 91.9 ± 0.6% at −0.73 V vs a reversible hydrogen electrode (RHE) and remains stable for 40 h at a current density of 115.7 ± 7.0 mA cm–2 with a CO Faradaic efficiency of 93.8 ± 3.7% at −0.56 V vs RHE.
Source: openalex_inverted_index · Quality: baseline

Research context

NanomaterialsCatalysis & surfaces

OpenAlex topics: CO2 Reduction Techniques and Catalysts · Advanced Photocatalysis Techniques · Advanced Thermoelectric Materials and Devices

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

Affiliations

Key Laboratory of Superlight Materials and Surface Technology of Ministry of Education, College of Materials Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, China

State Key Laboratory of Catalysis, Dalian National Laboratory for Clean Energy, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China

College of Energy, University of Chinese Academy of Sciences, Beijing 100039, China

Liaoning Key Materials Laboratory for Railway, School of Materials and Engineering, Dalian Jiaotong University, Dalian 116028, China

Funding

Ministry of Education of the People's Republic of China · Youth Innovation Promotion Association of the Chinese Academy of Sciences · Natural Science Foundation of Heilongjiang Province · National Natural Science Foundation of China · Liaoning Province

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