@misc{hideka2024a, title = {State change of Na clusters in hard carbon electrodes and increased capacity for Na-ion batteries achieved by heteroatom doping}, author = {Hideka Ando, Kenjiro Hashi, Shinobu Ohki, Yoshikiyo Hatakeyama, Yuta Nishina, Norihiro Kowata, Takahiro Ohkubo, Kazuma Gotoh}, publisher = {Elsevier BV}, year = {2024-07-27}, keywords = {Na-ion batteries, NMR} }