首页|Co3S4-pyrolysis lotus fiber flexible textile as a hybrid electrocatalyst for overall water splitting
Co3S4-pyrolysis lotus fiber flexible textile as a hybrid electrocatalyst for overall water splitting
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Electrocatalytic overall water splitting(OWS),a pivotal approach in addressing the global energy crisis,aims to produce hydrogen and oxygen.However,most of the catalysts in powder form are adhesively bounding to the electrodes,resulting in catalyst detachment by bubble generation and other uncertain interference,and eventually reducing the OWS performance.To surmount this challenge,we synthesized a hybrid material of Co3S4-pyrolysis lotus fiber(labeled as Co3S4-pLF)textile by hydrothermal and high-temperature pyrolysis processes for electrocatalytic OWS.Owing to the natural LF textile exposing the uniformly distributed functional groups(-OH,-NH2,etc.)to anchor Co3S4 nanoparticles with hierarchi-cal porous structure and outstanding hydrophily,the hybrid Co3S4-pLF catalyst shows low overpotentials at 10mA cm-2(η11.HER=100 mV η10.OER=240 mV)alongside prolonged operational stability during elec-trocatalytic reactions.Theoretical calculations reveal that the electron transfer from pLF to Co3S4 in the hybrid Co3S4-pLF is beneficial to the electrocatalytic process.This work will shed light on the develop-ment of nature-inspired carbon-based materials in hybrid electrocatalysts for OWS.
Overall water splittingHybrid electrocatalystTextileLotus fiberCo3S4 nanoparticles
Academician Workstation,Changsha Medical University,Changsha 410219,Hunan,China
College of Chemistry and Chemical Engineering,Hunan University,Changsha 410082,Hunan,China
College of Environmental Science and Engineering,Hunan University,Changsha 410082,Hunan,China
School of Basic Medicine,Changsha Medical University,Changsha 410219,Hunan,China
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Scientific Research Foundation of Hunan Provincial Education Department,ChinaScientific Research Foundation of Hunan Provincial Education Department,China
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