1 College of Chemistry and Materials Science, Anhui Key Laboratory of Functional Molecular Solids, Ministry of Education, The Key Laboratory of Electrochemical Clean Energy of Anhui Higher Education Institutes, Anhui Normal University, Wuhu, 241002, China. bygeng@mail.ahnu.edu.cn.
A facile freeze-drying assisted biotemplated route is developed to synthesize Na3V2(PO4)3 embedded in a N-doped three-dimensional mesoporous carbon framework, which has a superior initial discharge capacity and stability for Na-ion batteries.