| Controllable conversion of rice husks to Si/C and SiC/C composites in molten salts |
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| 作者姓名： | Da Pang Wei Weng Jing Zhou Dong Gu Wei Xiao |
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| 作者单位： | School of Resource and Environmental Sciences;College of Chemistry and Molecular Sciences;The Institute of Advanced Studies |
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| 基金项目： | the funding support from the National Natural Science Foundation of China(51722404,51674177,51804221 and 91845113);the National Key R&D Program of China(2018YFE0201703);the China Postdoctoral Science Foundation(2018M642906 and 2019T120684);the Fundamental Research Funds for the Central Universities(2042017kf0200);the Hubei Provincial Natural Science Foundation of China(2019CFA065)。 |
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| 摘 要： | Direct conversion of biomass to functional materials is an ideal solution to relieve challenges in environmental and energy sustainability.We herein demonstrate a molten salt thermoelectrolysis of rice husks(RHs)mainly consisting of organic mass and biosilica to achieve high-efficiency and upgraded utilization of both Si and C in RHs.By coupling pyrolysis of organic mass with electrochemical reduction of silica in molten salts,the thermoelectrolysis of RHs in molten CaCl2-NaCl at 800℃ refines the RHs and acidleached RHs to SiC nanowire/C(SiC-NW/C)and Si nanoparticle/C(Si-NP/C),respectively.The present study highlights the molten salt thermoelectrolysis for reclamation of biomass wastes in an affordable and controllable manner.
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| 关 键 词： | Rice husks Molten salt SILICON Silicon carbide ELECTROCHEMISTRY |
Controllable conversion of rice husks to Si/C and SiC/C composites in molten salts |
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