2017-Sustainable Industrial Processing Summit
SIPS 2017 Volume 7. Recycling, Secondary Batteries and Environmental Protection
| Editors: | Kongoli F, Aifantis K, Kumar V, Pagnanelli F, Kozlov P, Xueyi G |
| Publisher: | Flogen Star OUTREACH |
| Publication Year: | 2017 |
| Pages: | 205 pages |
| ISBN: | 978-1-987820-73-7 |
| ISSN: | 2291-1227 (Metals and Materials Processing in a Clean Environment Series) |
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Protection Strategies for Lithium Anode in Lithium-sulfur Battery
Guoran Li1; Sheng Liu1; Xueping Gao1;1NANKAI UNIVERSITY, Tianjin, China;
Type of Paper: Invited
Id Paper: 296
Topic: 14
Abstract:
Lithium-sulfur rechargeable battery using metallic lithium as anode has a theoretical energy density of 2600 Wh Kg每1. This means that lithium-sulfur battery will be one of the promising next generation batteries for mobile devices like cell phones and electrical vehicles. However, the highly reactive metallic lithium in lithium-sulfur batteries can easily induce a series of problems, such as unstable lithium/electrolyte interface, uneven deposition/dissolution of lithium, and massive surface defects. As a result, lithium-sulfur batteries can be thoroughly destroyed after some charge-discharge cycles due to powderization of metallic lithium anode. Here we introduce our works on protection of metallic lithium anode, including the application of the protective layer, optimization of battery fabrication, alloying of anode, and the introduction of electrolyte additives. These efforts can effectively restrain the reactive activity of lithium anode, and improve stabilization of lithium anode in the cycling of lithium sulfur rechargeable batteries. It is very significant for developing long cycling lithium sulfur rechargeable batteries.