基于ZIF-8的三维网络硅碳复合材料锂离子电池性能研究
宿拿拿1(
), 韩静茹1, 郭印毫1, 王晨宇1, 石文华1, 吴亮1, 胡执一1,2, 刘婧1, 李昱1,2(), 苏宝连1,3
), 韩静茹1, 郭印毫1, 王晨宇1, 石文华1, 吴亮1, 胡执一1,2, 刘婧1, 李昱1,2(), 苏宝连1,3
ZIF-8-derived Three-dimensional Silicon-carbon Network Composite for High-performance Lithium-ion Batteries
SU Nana1(), HAN Jingru1, GUO Yinhao1, WANG Chenyu1, SHI Wenhua1, WU Liang1, HU Zhiyi1,2, LIU Jing1, LI Yu1,2(), SU Baolian1,3
), HAN Jingru1, GUO Yinhao1, WANG Chenyu1, SHI Wenhua1, WU Liang1, HU Zhiyi1,2, LIU Jing1, LI Yu1,2(), SU Baolian1,3
图5. Si@NC的(a) CV曲线和(b)在0.2 A/g电流密度下前三圈的充放电曲线, Si@NC和Si@PC的(c)倍率性能和(d)在0.5 A/g电流密度下的循环性能, (e) Si@NC、NC和Si@PC在1 A/g电流密度下的长循环性能(黑色圆圈表示Si@NC的库仑效率)
Fig. 5. (a) CV curves at a scanning rate of 0.2 mV/s and (b) charge-discharge curves for initial 3 cycles at 0.2 A/g of Si@NC, (c) rate performances and (d) cycling performances at 0.5 A/g of Si@NC and Si@PC, and (e) long cycling performances of Si@NC, NC and Si@PC at 1 A/g (black circles showing Coulombic efficiencies of Si@NC)
