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Reversible AlCl4-/Al(2)Cl(7)(-)conversion in a hybrid Na-Al battery
Wang, JY; Hu, YY; Li, YP; Gao, XP; Wu, XW; Wen, ZY
2020-03-31
Source PublicationJOURNAL OF POWER SOURCES
ISSN0378-7753
SubtypeArticle
AbstractOwing to the larger radius of sodium ion as compared to that of lithium ion, the kinetics of transport and electrochemical reactions of Na+ ions in the cathode is more sluggish. This results in poor rate performance and inferior long-term cycling stability of sodium-ion batteries. Herein, an Al cathode coordinated with ionic liquid catholyte consisting of 1-ethyl-3-methylimidazolium chloride (EMImCl) and aluminum trichloride (AlCl3) is designed to pair with Na metal anode to produce a high-performance rechargeable sodium battery. The obtained batteries reach a high voltage of 2.1 V and show excellent long-term cycling stability with 92% capacity retention over 1000 cycles at 100 mA g(-1) at 60 degrees C. Furthermore, the electrochemical processes on Al cathode are revealed dependent on the conversion mechanism of AlCl4-/Al(2)Cl(7)(-)redox couple. This Na-Al hybrid battery offers an idea for addressing affordable and reliable large-scale energy storage.
DOI10.1016/j.jpowsour.2020.227843
WOS KeywordION BATTERY ; ANODE MATERIALS ; ALUMINUM ANODE ; METAL BATTERY ; SODIUM ; CARBON ; PERFORMANCE ; ELECTRODE ; IMPEDANCE
Language英语
WOS Research AreaChemistry ; Electrochemistry ; Energy & Fuels ; Materials Science
PublisherELSEVIER
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/28202
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Wang, JY,Hu, YY,Li, YP,et al. Reversible AlCl4-/Al(2)Cl(7)(-)conversion in a hybrid Na-Al battery[J]. JOURNAL OF POWER SOURCES,2020.
APA Wang, JY,Hu, YY,Li, YP,Gao, XP,Wu, XW,&Wen, ZY.(2020).Reversible AlCl4-/Al(2)Cl(7)(-)conversion in a hybrid Na-Al battery.JOURNAL OF POWER SOURCES.
MLA Wang, JY,et al."Reversible AlCl4-/Al(2)Cl(7)(-)conversion in a hybrid Na-Al battery".JOURNAL OF POWER SOURCES (2020).
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