期刊
ACS CENTRAL SCIENCE
卷 6, 期 7, 页码 1095-1104出版社
AMER CHEMICAL SOC
DOI: 10.1021/acscentsci.0c00449
关键词
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资金
- National Natural Science Foundation of China [21776019, 21825001, U1801257]
- National Key Research and Development Program [2016YFA0202500, 2016YFA0200102]
- Tsinghua University Initiative Scientific Research Program
Lithium-sulfur (Li-S) batteries have long been expected to be a promising high-energy-density secondary battery system since their first prototype in the 1960s. During the past decade, great progress has been achieved in promoting the performances of Li-S batteries by addressing the challenges at the laboratory-level model systems. With growing attention paid to the application of Li-S batteries, new challenges at practical cell scales emerge as the bottleneck. In this Outlook, the key parameters for practical Li-S batteries to achieve practical high energy density are emphasized regarding high-sulfur-loading cathodes, lean electrolytes, and limited excess anodes. Subsequently, the key scientific problems are redefined in practical Li-S batteries beyond the previous ones under ideal conditions. Finally, viable strategies are proposed to address the above challenges as future research directions.
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