过渡金属氧化物微纳阵列在钠离子电池中的研究进展

周思宇, 唐正, 范景瑞, 唐有根, 孙旦, 王海燕

Research progress of transition metal oxide micro-nano structured arrays for sodium-ion batteries

Siyu ZHOU, Zheng TANG, Jingrui FAN, Yougen TANG, Dan SUN, Haiyan WANG

图1 (a) 转化反应体积变化示意图[34]；(b) FeS/Na体系中电压滞后的三个区域[39]；(c) NiO储锂/钠反应过程区别示意图；(d) NiO锂化/钠化模拟过程中10 ps时产生反位缺陷的快照

Fig.1 (a) schematic illustration of volume changes during conversion reactions[34]; (b) the three regions of voltage hysteresis in Na-FeS batteries[39]; (c) schematic cartoons showing different reaction modes between sodiation and lithiation; (d) the snapshots of lithiated/sodiated NiO surfaces at 10 ps showing the formation of Na antisite defects in NiO