A simple pre-oxidation approach for enhanced sodium-ion storage in bamboo-derived hard carbon
Abstract
Biomass-derived hard carbon materials are considered promising anodes for sodium ion batteries (SIBs). Herein, we present a simple pre-oxidation strategy to prepare bamboo-derived hard carbon featuring a closed pore structure and pseudo-graphitic domains, with an expanded interlayer spacing of 0.39 nm. It exhibits outstanding performance and strong potential for SIB applications.

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