锂离子电池补锂技术
Replenishment technology of the lithium ion battery
锂离子电池补锂技术 |
| 田孟羽, 詹元杰, 闫勇, 黄学杰 |
|
Replenishment technology of the lithium ion battery |
| Mengyu TIAN, Yuanjie ZHAN, Yong YAN, Xuejie HUANG |
| 图1 卷对卷预锂化方法制备预锂化的LixSn、LixAl和LixSi/C电极：(a) 卷对卷预锂化示意图；(b) 卷对卷预锂化过程照片；(c) 卷对卷预锂化后的Sn电极(8 cm×16 cm)照片，其中黑色部分为锂化的Li-Sn合金，拥有金属光泽的是未锂化的Sn箔；(d) 预锂化Sn电极截面SEM图，上层为锂化的Li-Sn合金，下层为Sn箔；(e，f) 卷对卷预锂化的LixAl箔和LixSi/C极片照片；(g) 卷对卷预锂化的Li-Sn合金箔XRD；(h) 预锂化的LixSn箔和纯Sn箔全电池容量和循环测试，蓝色为预锂化LixSn箔，红色为纯Sn箔[ |
| Fig. 1 Roll-to-roll prelithiation method for preparation of LixSn, LixAl and LixSi/C anode electrodes：(a) illustration of roll-to-roll prelithiation method; (b) specific operation of roll-to-roll mechanical prelithiation method; (c) visual image of as-prepared LixSn foil (8 cm×16 cm), where dark layer is Li-Sn alloy and underlay with metallic luster is Sn; (d) cross-sectional SEM image of LixSn alloy foil, where top layer is LixSn and sublayer is pure Sn; (e and f) visual images of as-prepared LixAl foil and LixSi/C, respectively; (g) XRD result of LixSn alloy foil; (h) capacity and cycle stability of LixSn foil and Sn foil in full-cell cycling, The blue symbols represent LixSn and the red ones represent Sn foil[ |
|
|