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Content Provider | IET Digital Library |
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Author | Wang, Ke Sun, Zhiyan Zhu, Yan Chunhui, Li |
Abstract | Exploring efficient and inexpensive oxygen evolution reaction (OER) electrocatalysts is essential for clean renewable energy systems. Ni-based nanomaterials have been intensively pursued for NiOOH can play a key role in OER processes in alkaline electrolytes. In this work, Ni nanoparticles (NPs) absorbed onto commercial carbon black and nitrogen-doped reduced graphene oxide as electrochemical catalysts activities in OER have been explored. The study found that the current density and Tafel slope of Ni/C nanocomposite in OER were affected obviously by different carbon supporter and the surface properties of Ni NPs. The work revealed that the Ni NPs electrical contact with supporter and surface hydrophilism of catalytically active species is more important than the size and loaded amount. The awareness of the catalytic kinetics difference deepened their comprehension of the structure–property relationship of the electrocatalyst, which would contribute to the rational design of excellent OER catalysts. |
Starting Page | 409 |
Ending Page | 411 |
Page Count | 3 |
Volume Number | 14 |
e-ISSN | 17500443 |
Issue Number | Issue 4, Apr (2019) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/mnl/14/4 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/mnl.2018.5367 |
Journal | Micro & Nano Letters |
Publisher Date | 2019-04-03 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Alkaline Electrolytes Carbon Catalysis Catalysts Catalytic Kinetics Difference Catalytically Active Species Current Density Electrochemical Catalysts Electrochemical Electrodes Electrochemistry Electrochemistry And Electrophoresis Electrolyte Graphene Heterogeneous Catalysis at SurFace And Other Surface Reactions Hydrophobicity Nanocomposite Nanofabrication Nanoparticle Ni NanoParticle Ni-based NanoMaterial Ni-C Ni/C Catalyst Ni/C Nanocomposite Nickel Nickel Compound NiOOH Nitrogen-doped Reduced Graphene Oxide OER Catalysts Oxidation Oxygen Evolution Reaction Reduction (Chemical) Structure–property Relationship Surface Hydrophilism Tafel Slope Water Oxidation |
Content Type | Text |
Resource Type | Article |
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