Journal article
Cobalt-Nanoparticle-Decorated Cobalt-Molybdenum Bimetal Oxides Embedded in Flower-like N-Doped Carbon as a Durable and Efficient Electrocatalyst for Oxygen Evolution Reaction
ACS sustainable chemistry & engineering, v 9(33), pp 11052-11061
23 Aug 2021
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
The development of high-efficiency and cost-efficient oxygen evolution reaction (OER) catalysts is a core issue in the sector of water electrolysis. Cobalt-molybdenum bimetal oxide (Co2Mo3O8), as a kind of non-noble transition-metal oxides, is broadly employed as a good OER catalyst due to its abundant active sites. However, the relatively low conductivity of Co2Mo3O8 limits further improvement in its electrocatalytic performance. Herein, the cobalt nanoparticle-modified Co2Mo3O8 flakes are embedded into the flower-like N-doped carbon (NC) microspheres to effectively improve the electrocatalytic OER performance. The combination of Co2Mo3O8 and NC with a flower-like structure effectively improves the conductivity of the material while enhancing the electrolyte penetration. More importantly, the Co nanoparticles (NPs) on the surface of Co2Mo3O8 flakes have the capability to furnish more active electrocatalytic active sites. The obtained Co NP-modified Co2Mo3O8 embedded flower-like NC microspheres (Co/Co2Mo3O8@NC) exhibited an overpotential of 288 mV at 10 mA.cm(-2), which was relatively low in comparison to that of commercial RuO2. Besides, the Co/Co2Mo3O8@NC also shows long-term durability almost without attenuation after the 44 000 s I-T test.
Metrics
Details
- Title
- Cobalt-Nanoparticle-Decorated Cobalt-Molybdenum Bimetal Oxides Embedded in Flower-like N-Doped Carbon as a Durable and Efficient Electrocatalyst for Oxygen Evolution Reaction
- Creators
- Yanan Zhang - Shanghai University of Electric PowerWenlong Ye - Shanghai University of Electric PowerJinchen Fan - Shanghai Univ Elect Power, Coll Environm & Chem Engn, Shanghai Key Lab Mat Protect & Adv Mat Elect Powe, Shanghai 200090, Peoples R ChinaVolkan Cecen - Drexel UniversityPenghui Shi - Shanghai University of Electric PowerYulin Min - Shanghai University of Electric PowerQunjie Xu - Shanghai University of Electric Power
- Publication Details
- ACS sustainable chemistry & engineering, v 9(33), pp 11052-11061
- Publisher
- Amer Chemical Soc
- Number of pages
- 10
- Grant note
- 19QA1404100 / Shanghai Rising-Star Program 20ZR1421400; 19DZ2271100; 20520740900 / Science and Technology Commission of Shanghai Municipality; Science & Technology Commission of Shanghai Municipality (STCSM) 22072088; 22075174 / National Natural Science Foundation of China; National Natural Science Foundation of China (NSFC) 201910 / Opening Project of PCOSS, Xiamen University; Xiamen University
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:000689137600009
- Scopus ID
- 2-s2.0-85113794103
- Other Identifier
- 991021860669504721
UN Sustainable Development Goals (SDGs)
This publication has contributed to the advancement of the following goals:
InCites Highlights
Data related to this publication, from InCites Benchmarking & Analytics tool:
- Collaboration types
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Chemistry, Multidisciplinary
- Engineering, Chemical
- Green & Sustainable Science & Technology