Carbon Supports Mitigate Resistivity Limitations in Ni-Mo Alkaline Hydrogen Evolution Electrocatalysts

03 September 2018, Version 1
This content is a preprint and has not undergone peer review at the time of posting.

Abstract

We have studied the composition and morphology of Ni-Mo alloys. These alloys consist of a Ni-rich core surrounded by Mo-rich oxide layer. The HER activity of Ni-Mo alloys was seen to be limited by interfacial resistance rather than kinetic and solution transport. Vulcan carbon, a conductive support mitigate the resistive limitations by providing conductive percolation networks.

Keywords

electrochemistry
electrocatalysis
alkaline electrolysis
hydrogen evolution
nickel
Ni
molybdenum
Mo
Ni-Mo nanopowder
carbon black
alloy
oxide
conductivity
resistivity

Supplementary materials

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Description
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Title
SI-Carbon Supports Mitigate Resistivity Limitations in Ni-Mo Alkaline Hydrogen Evolution Electrocatalysts
Description
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