钛铌氧化物用于锂离子电池负极的研究进展

孙德旺, 蒋必志, 袁涛, 郑时有

Research progress of titanium niobium oxide used as anode of lithium-ion batteries

Dewang SUN, Bizhi JIANG, Tao YUAN, Shiyou ZHENG

图9 (a) 单个复合电极（3D-O-P-TNO和石墨烯）与Li/Li+参比电极的恒电流充电/放电曲线，以及3D-O-PTNO||石墨烯锂离子电容器的电压曲线[39]; (b) TiNb2O7||石墨烯锂离子电容器在不同电流密度下的恒电流充放电曲线[39]；(c) 在1 A/g时循环圈数与电容保持率和库仑效率的关系[39]; (d) TNO/HG||AC在0.2 A/g时的长循环性能[64]; (e) TNO/HG||AC与其他钛基和铌基的锂离子电容器性能比较[64]

Fig. 9 (a) galvanostatic charge/discharge curves of individual composite electrode (3D-O-P-TNO and graphene grass) vs. Li/Li+ reference electrode, along with voltage profile of 3D-O-P-TNO||graphene grass hybrid supercapacitor[39]; (b) galvanostatic charge/discharge curves of TiNb2O7||graphene hybrid supercapacitor at different current densities[39]; (c) relationship between cycle number and capacitance retention and coulombic efficiency at 1 A/g[39]; (d) cycling performance of TNO/HG||AC at 0.2 A/g[64], (e) ragone plots of TNO/HG||AC compared with other Ti-and Nb-based Li-HSCs[64]