期刊
ACS ENERGY LETTERS
卷 6, 期 4, 页码 1205-1270出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsenergylett.0c02692
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资金
- NSF CBET grant [1665176]
- U.S. Department of Energy (DOE) [DE-AC36-08GO28308]
- U.S. DOE Office of Energy Efficiency and Renewable Energy Bioenergy Technologies Office
- Laboratory Directed Research and Development (LDRD) Program at NREL
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1665176] Funding Source: National Science Foundation
The drive to reduce fossil resource consumption and increase renewable electricity capacity has led to exploration of new routes for sustainable production of fuels, chemicals, and materials. Biomass is a potential source of platform precursors due to its ability to fix CO2 in the form of multi-carbon organic molecules. Electrochemical methods for biomass valorization are intriguing, but there is a need to evaluate this field objectively and identify pathways suited to electrochemistry.
The drive to reduce consumption of fossil resources, coupled with expanding capacity for renewable electricity, invites the exploration of new routes to utilize this energy for the sustainable production of fuels, chemicals, and materials. Biomass represents a possible source of platform precursors for such commodities due to its inherent ability to fix CO2 in the form of multi-carbon organic molecules. Electrochemical methods for the valorization of biomass are thus intriguing, but there is a need to objectively evaluate this field and define the opportunity space by identifying pathways suited to electrochemistry. In this contribution we offer a comprehensive, critical review of recent advances in low-temperature (liquid phase), electrochemical reduction and oxidation of biomass-derived intermediates (polyols, furans, carboxylic acids, amino acids, and lignin), with emphasis on identifying the state-of-the-art for each documented reaction. Progress in computational modeling is also reviewed. We further suggest a number of possible reactions that have not yet been explored but which are expected to proceed based on established routes to transform specific functional groups. We conclude with a critical discussion of technological challenges for scale-up, fundamental research needs, process intensification opportunities (e.g., by pairing compatible oxidations and reductions), and new benchmarking standards that will be necessary to accelerate progress toward application in this still-nascent field.
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