Processing Strategies to Improve Cell-Level Energy Density of Metal Sulfide Electrolyte-Based All-Solid-State Li Metal Batteries and Beyond,ACS Energy Letters

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Processing Strategies to Improve Cell-Level Energy Density of Metal Sulfide Electrolyte-Based All-Solid-State Li Metal Batteries and Beyond
ACS Energy Letters ( IF 19.3 ) Pub Date : 2020-10-19 , DOI: 10.1021/acsenergylett.0c01905
Daxian Cao ₁ , Yuyue Zhao ₁ , Xiao Sun ₁ , Avi Natan ₁ , Ying Wang ₁ , Pengyang Xiang ₁ , Wei Wang ₂ , Hongli Zhu ₁

Affiliation

All-solid-state Li metal batteries (ASLBs) have the potential to surpass the energy density of commercial Li ion batteries and improve safety. However, most reported ASLBs deliver unsatisfactory cell-level energy densities, which are significantly affected by cell configuration. Therefore, for the first time, this Review summarized the processing of ASLBs toward cell-level high energy, with a focus on using sulfide solid-state electrolytes (SEs). We comprehensively analyzed the effects of the cathode, electrolyte, and Li metal anode on the energy density. Different strategies for the fabrication of thick cathode, thin electrolyte, and thin Li metal were systematically introduced, and their corresponding merits and challenges were summarized. In addition, the architectural design of ASLBs was discussed. Furthermore, we covered the most recent developments for other promising electrolytes. Finally, perspectives on the design of high-energy ASLBs toward practical applications were introduced.

中文翻译：

改善基于金属硫化物电解质的全固态锂金属电池及其更高的单元级能量密度的处理策略

全固态锂金属电池（ASLB）有潜力超过商用锂离子电池的能量密度并提高安全性。但是，大多数报告的ASLB提供的单元级能量密度均不令人满意，这受单元配置的影响很大。因此，本综述首次总结了朝电池级高能量方向处理ASLB的方法，重点是使用硫化物固态电解质（SEs）。我们全面分析了阴极，电解质和锂金属阳极对能量密度的影响。系统地介绍了用于制造厚阴极，稀电解质和稀Li金属的不同策略，并总结了它们各自的优缺点。此外，还讨论了ASLB的体系结构设计。此外，我们介绍了其他有前景的电解质的最新进展。最后，介绍了针对实际应用设计高能ASLB的观点。

更新日期：2020-11-13

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