Abstract:The sodium (Na)-ion battery has attracted widespread attention for energy-storage applications because Na+ is much cheaper and safer, and it is more environmentally benign compared to the conventional Li+ battery. Most research works on negative electrode for the Na+ battery are focused on hard carbon, which can deliver a capacity of about 300 mAh g-1. Recently, many metallic elements such as Sn, Sb, and Ge have been proved to be a viable alternative to hard carbon as negative electrode material in the sodi… Show more
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