Journal
NANOSCALE
Volume 9, Issue 48, Pages 19001-19016Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7nr06819k
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Funding
- National Key Research and Development Program of China [2016YFA0202603, 2016YFA0202604]
- National Basic Research Program of China [2013CB934103]
- National Natural Science Foundation of China [51702247, 51521001, 51502227, 51579198]
- National Natural Science Fund for Distinguished Young Scholars [51425204]
- Fundamental Research Funds for the Central Universities [WUT: 2017-III-005, 2017-III-030]
- China Scholarship Council [201606955096]
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Rechargeable lithium-sulfur (Li-S) batteries have recently attracted global research interest due to their high theoretical specific capacity and energy density. To improve the performance and cycling stability of Li-S batteries, a clear understanding of the electrochemical reaction process and the degradation mechanisms of the sulfur redox chemistry are extremely important. In the past few decades, various advanced in situ/operando characterization tools have emerged, which have facilitated the understanding of the degradation mechanisms and the further development of high-performance Li-S batteries. In this review, we have summarized recent significant advances in in situ/operando characterization techniques for Li-S batteries. In particular, because of the existence of the soluble polysulfide species during the charge/discharge process, many creative ideas have been introduced into in situ/operando characterization of the electrochemical process in Li-S batteries.
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