Synthesis of N-doped porous carbon/nickel manganese oxide combined with carbon tubes and its capacitance property
ZHAO Jie, LI Kanshe, WANG Xiaoqin, YANG Yufei, LI Qiaoqin
Journal of Functional Materials . 2017, (6): 6171 -6175 .  DOI: 10.3969/j.issn.1001-9731.2017.06.031