N. Yabuuchi, K. Kubota, M. Dahbi, and S. Komaba, ?Research development on sodium-ion batteries,? Chemical Reviews, vol. 114, no. 23. American Chemical Society, pp. 11636?11682, Dec. 10, 2014. doi: 10.1021/cr500192f.(N. Yabuuchi, K. Kubota, M. Dahbi, and S. Komaba)