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An alkali metal-selenium battery with a wide temperature range and low self-discharge
Zhao, Xiaosen; Yin, Lichang; Yang, Zhenzhen; Chen, Gang; Yue, Huijuan; Zhang, Dong; Sun, Zhenhua; Li, Feng
2019-10-14
Source PublicationJOURNAL OF MATERIALS CHEMISTRY A
ISSN2050-7488
Volume7Issue:38Pages:21774-21782
AbstractSelenium (Se)-based materials present an interesting opportunity for rechargeable battery systems. Effective physical and chemical immobilization of Se can inhibit the dissolution of polyselenides and the side reaction between Se anions and carbonate-based electrolytes to improve the electrochemical properties. Here, a sulfur and oxygen co-doped hierarchical porous carbon (SO-HPC) is proposed as an effective reservoir to confine Se. The resulting Se/SO-HPC cathode exhibits significantly high rate capability and excellent cycling stability in carbonate electrolyte for Li/Na/K-Se batteries. Moreover, the performance in a wide temperature range and the self-discharge characteristics are appealing for extended practical application. As a result, the Li-Se cell exhibits outstanding capacities of 394 and 264 mA h g(-1) at 0.5C after 400 cycles at temperatures of 50 degrees C and 0 degrees C. And the capacities of the electrode material show no decay after a rest period of 150 h under the same temperature conditions.
Indexed BySCI
Language英语
WOS IDWOS:000490235800015
PublisherROYAL SOC CHEMISTRY
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80705
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhao, Xiaosen,Yin, Lichang,Yang, Zhenzhen,et al. An alkali metal-selenium battery with a wide temperature range and low self-discharge[J]. JOURNAL OF MATERIALS CHEMISTRY A,2019,7(38):21774-21782.
APA Zhao, Xiaosen.,Yin, Lichang.,Yang, Zhenzhen.,Chen, Gang.,Yue, Huijuan.,...&Li, Feng.(2019).An alkali metal-selenium battery with a wide temperature range and low self-discharge.JOURNAL OF MATERIALS CHEMISTRY A,7(38),21774-21782.
MLA Zhao, Xiaosen,et al."An alkali metal-selenium battery with a wide temperature range and low self-discharge".JOURNAL OF MATERIALS CHEMISTRY A 7.38(2019):21774-21782.
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