Journal
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume 6, Issue 2, Pages 256-266Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jz502405h
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Funding
- Strategic Priority Research Program of the Chinese Academy of Sciences [XDA09010300]
- National Natural Science Foundation of China [51225204, 91127044, 21121063, U1301244]
- National Basic Research Program of China [2011CB935700, 2013AA050903]
- Chinese Academy of Sciences
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To meet the increasing demand for electrochemical energy storage with high energy density, elemental Se is proposed as a new attractive candidate with high volumetric capacity density similar to that of S. Se is chemically and electrochemically analogous to S to a large extent but is saliently featured owing to its semiconductivity, compatibility with carbonate-based electrolytes, and activity with a Na anode. Despite only short-term studies, many advanced Se-based electrode materials have been developed for rechargeable Li batteries, Na batteries, and Li ion batteries. In this Perspective, we review the advances in Se-based energy storage materials and the challenges of Li-Se battery in both carbonate-based and ether-based electrolytes. We also discuss the rational design strategies for future Se-based energy storage systems based on the strengths and weaknesses of Se.
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