Biomass-derived electrocatalytic composites for hydrogen evolution

Wei Fu Chen, Shilpa Iyer, Shweta Iyer, Kotaro Sasaki, Chiu Hui Wang, Yimei Zhu, James Muckerman, Etsuko Fujita

Research output: Contribution to journalArticle

218 Citations (Scopus)

Abstract

The production of hydrogen from water electrolysis calls for an efficient non-precious-metal catalyst to make the process economically viable because of the high cost and the limited supply of the currently used platinum catalysts. Here we present such a catalyst made from earth-abundant molybdenum and common, humble soybeans (MoSoy). This catalyst, composed of a catalytic β-Mo 2C phase and an acid-proof γ-Mo2N phase, drives the hydrogen evolution reaction (HER) with low overpotentials, and is highly durable in a corrosive acidic solution over a period exceeding 500 hours. When supported on graphene sheets, the MoSoy catalyst exhibits very fast charge transfer kinetics, and its performance rivals that of noble-metal catalysts such as Pt for hydrogen production. These findings prove that the soybean (as well as other high-protein biomass) is a useful material for the generation of catalysts incorporating an abundant transition metal, thereby challenging the exclusivity of platinum catalysts in the hydrogen economy.

Original languageEnglish
Pages (from-to)1818-1826
Number of pages9
JournalEnergy and Environmental Science
Volume6
Issue number6
DOIs
Publication statusPublished - Jun 2013

Fingerprint

Hydrogen
Biomass
catalyst
hydrogen
Catalysts
biomass
Composite materials
Platinum
platinum
soybean
Caustics
Molybdenum
Graphite
metal
transition element
Hydrogen production
Precious metals
molybdenum
Electrolysis
Graphene

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Environmental Chemistry
  • Pollution
  • Nuclear Energy and Engineering

Cite this

Biomass-derived electrocatalytic composites for hydrogen evolution. / Chen, Wei Fu; Iyer, Shilpa; Iyer, Shweta; Sasaki, Kotaro; Wang, Chiu Hui; Zhu, Yimei; Muckerman, James; Fujita, Etsuko.

In: Energy and Environmental Science, Vol. 6, No. 6, 06.2013, p. 1818-1826.

Research output: Contribution to journalArticle

Chen, Wei Fu ; Iyer, Shilpa ; Iyer, Shweta ; Sasaki, Kotaro ; Wang, Chiu Hui ; Zhu, Yimei ; Muckerman, James ; Fujita, Etsuko. / Biomass-derived electrocatalytic composites for hydrogen evolution. In: Energy and Environmental Science. 2013 ; Vol. 6, No. 6. pp. 1818-1826.
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