Abstract
Abstract Anode materials based on hard carbon are the focus of research in the field of batteries, and bio-hard carbon is one of the most important materials. In this study, we use the invasive species Spartina alterniflora as raw material and doped with nano-graphite to produce high-performance anode materials. It can achieve a first coulomb efficiency of 67%, which is nearly 10% higher than Spartina alterniflora without nano-graphite doped. The specific capacity is close to 300 mA h g−1 under the current of 20 mA g−1. By comparison, we found that the modified Spartina alterniflora has great sodium storage capacity, and the study also proved that Spartina alterniflora material can be modified into a high-performance anode material with high economic value.
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