期刊
ADVANCED FUNCTIONAL MATERIALS
卷 31, 期 34, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adfm.202102886
关键词
biomass derivatives; efficient hydrogen production; half‐ reactions; operando techniques; overall reaction; selective electrooxidation
类别
资金
- National Natural Science Foundation of China (NSFC) [21537003, 21876128]
- Projekt DEAL
The integration of thermodynamically favorable electrooxidation reactions of biomass derivatives with hydrogen evolution reaction has been demonstrated, yielding value-added chemicals and hydrogen simultaneously. Utilizing a hierarchically layered double hydroxide catalyst, the selective electrooxidation of 5-hydroxymethylfurfural into 2,5-furandicarboxylic acid was achieved with high efficiency and selectivity, indicating a promising new strategy for sustainable energy development.
Thermodynamically favorable electrooxidation reactions of biomass derivatives integrated with hydrogen evolution reaction (HER) can simultaneously provide value-added chemicals and hydrogen, and eventually meeting the need for clean and sustainable energy development. Herein, the integration of a six-electron involved anodic half-reaction-selective electrooxidation of 5-hydroxymethylfurfural into 2,5-furandicarboxylic acid (FDCA) on a hierarchically layered double hydroxide (CoFe@NiFe) with a cathodic HER in a two-chamber system is reported. The overall reaction reaches 38 mA cm(-2) at 1.40 V and exhibits 100% selectivity to yield FDCA and a nearly 100% Faraday efficiency with hydrogen production of 901 mu mol cm(-2). Several operando techniques confirm that the trivalent nickel species in the CoFe@NiFe catalyst are mainly responsible for this 100%-selective oxidation reaction. This integrated overall reaction is thus a new strategy to utilize cheap catalysts and biomass derivatives to simultaneously produce value-added chemicals and sustainable energy materials, and eventually to solve current challenges of energy depletion and environmental pollution.
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