基于溶解沉积机制锂硫电池的研究进展简评

闫梦蝶, 李晖, 凌敏, 潘慧霖, 张强

Brief review of progress in lithium-sulfur batteries based on dissolution-deposition reactions

Mengdie YAN, Hui LI, Min LING, Huilin PAN, Qiang ZHANG

图4 18650型锂硫电池在(a)不同载硫量、不同E/S比例条件下能量密度的变化（固定硫利用率80%）；(b)不同载硫量、不同硫利用率下能量密度的变化（固定E/S=3）；(c)2.5 A·h、300 W·h/kg软包锂硫电池中不同电池组分的质量分布，其中电解液的质量分数约为43.6%；(d)软包锂硫电池循环后金属锂负极的SEM。图片许可复制来自Wiley 2015，ACS 2018，Elsevier 2017

Fig.4 18650-type Li-S cell gravimetric energy density for (a) various sulfur loads and E/S with a constant sulfur utilization of 80%; (b) various sulfur loads and sulfur utilizations with constant E/S of 3∶1; (c) Weight distribution of cell components in the 2.5 A·h, 300 W·h/kg^{Li-S pouch cell, in which electrolyte contributes 43.6% of total weight for Li-S pouch cell; (d) SEM for Li metal after cycling in Li-S pouch cell. Reproduced figures, Permission from Wiley 2015, ACS 2018, Elsevier 2017}