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Investigation of molybdenum carbide nano-rod as an efficient and durable electrocatalyst for hydrogen evolution in acidic and alkaline media

Paper ID Volume ID Publish Year Pages File Format Full-Text
45059 46395 2014 6 PDF Available
Title
Investigation of molybdenum carbide nano-rod as an efficient and durable electrocatalyst for hydrogen evolution in acidic and alkaline media
Abstract

•Highly conductive molybdenum carbide nanorods are synthesized.•It exhibits high activity as a standalone catalyst for hydrogen evolution reaction.•The presence of metallic Mo is detrimental to the hydrogen evolution reaction.•Ni impregnation onto molybdenum carbide improves the activity in alkaline media.

A well-defined dimolybdenum carbide (Mo2C) nano-rod with a porous structure is successfully synthesized through facile carburization of anilinium molybdate in hydrogen. As a catalyst for hydrogen evolution reaction (HER), we investigated its electrical conductivity and catalytic activity. It is found that, as a standalone catalyst, Mo2C nano-rod shows a competitive performance for catalysing HER in acidic media. A composite catalyst based on Ni impregnated Mo2C nano-rod is further synthesized to investigate its catalytic behaviour and reaction mechanism in alkaline condition. Compared to commercial Mo2C, the enhanced performance of the Mo2C nano-rod could be attributed to its porous structure with small particles as well as its high electrical conductivity.

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Keywords
Hydrogen evolution reaction; Molybdenum carbide; Nano-rod; Nickel impregnation; Electrocatalyst
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Investigation of molybdenum carbide nano-rod as an efficient and durable electrocatalyst for hydrogen evolution in acidic and alkaline media
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volumes 154–155, July–August 2014, Pages 232–237
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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