当前位置: X-MOL 学术Electrochim. Acta › 论文详情
Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)
Electrochemical behavior of tin foil anode in half cell and full cell with sulfur cathode
Electrochimica Acta ( IF 6.6 ) Pub Date : 2018-10-12 , DOI: 10.1016/j.electacta.2018.10.070
Yi Cui , Tianyi Li , Xinwei Zhou , Aaron Mosey , Wei Guo , Ruihua Cheng , Yongzhu Fu , Likun Zhu

Tin-based (Sn) metal anode has been considered an attractive candidate for rechargeable lithium batteries due to its high specific capacity, safety and low cost. However, the large volume change of Sn during cycling leads to rapid capacity decay. To address this issue, Sn foil was used as a high capacity anode by controlling the degree of lithium uptake. We studied the electrochemical behavior of Sn foil anode in half cell and full cell with sulfur cathode, including phase transform, morphological change, discharge/charge profiles and cycling performance. Enhanced cycling performance has been achieved by limiting the lithiation capacity of the Sn foil electrode. A full cell consisting of a pre-lithiated Sn foil anode and a sulfur cathode was constructed and tested. The full cell exhibits an initial capacity of 1142 mAh g−1 (based on the sulfur mass in the cathode), followed by stable cycling performance with a capacity retention of 550 mAh g−1 after 100 cycles at C/2 rate. This study reports a potential prospect to utilize Sn and S as a combination in rechargeable lithium batteries.



中文翻译:

锡箔半电池和全电池中锡箔阳极的电化学行为

锡基(Sn)金属阳极由于其高比容量,安全性和低成本而被认为是可再充电锂电池的有吸引力的候选材料。但是,Sn在循环过程中的大体积变化会导致容量快速衰减。为了解决这个问题,通过控制锂的吸收程度,锡箔被用作高容量阳极。我们研究了含硫阴极的半电池和全电池中锡箔阳极的电化学行为,包括相变,形态变化,放电/充电曲线和循环性能。通过限制锡箔电极的锂化能力已经实现了增强的循环性能。构造并测试了由预镀锡箔阳极和硫阴极组成的完整电池。整个电池的初始容量为1142 mAh g -1(基于阴极中的硫质量),然后是稳定的循环性能,在C / 2速率下进行100次循环后,容量保持为550 mAh g -1。这项研究报告了在可充电锂电池中结合使用Sn和S的潜在前景。

更新日期:2018-10-12
down
wechat
bug