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A liquid anode for rechargeable sodium-air batteries with low voltage gap and high safety
Liang, Feng; Qiu, Xuechao; Zhang, Qingkai; Kang, Yao; Koo, Alicia; Hayashi, Katsuro; Chen, Kunfeng; Xue, Dongfeng; Hui, Kwun Nam; Yadegari, Hossein; Sun, Xueliang
2018-07
Source PublicationNANO ENERGY
ISSN2211-2855
Volume49Pages:574-579
AbstractDespite the impressive progress in the development of sodium-air batteries for energy storage, the current sodium-air batteries are still far from practical application in electric vehicles. A proposed sodium-air battery was successfully constructed using a NASICON structured solid electrolyte and a liquid anode, which demonstrated low voltage gap, reversibility, and high safety. The liquid anode was fabricated by dissolving sodium metal into a mixed solution of biphenyl and ethers. Due to the fantastic conductivity of the liquid anode, the battery exhibits a high discharge voltage of 2.88 V and a low voltage gap of 0.14 V at a current density of 0.1 mA cm(-2), which leads to a high round trip efficiency of 95.3%. In addition, due to the high ionic conductivity of the liquid anode and low interfacial resistance between the liquid anode and solid electrolyte, the battery demonstrated a power density of 39 mWcm(-2), the highest value to date for alkaline metal-air batteries. Furthermore, the battery exhibited good cycling performance, and no significant degradation in energy efficiency was observed during the whole charge-discharge process. More importantly, no strong reaction was observed between the liquid anode and water, which significantly improved the safety of the battery. The highly conductive liquid anode can be extended to other sodium-based batteries. Therefore, this work provides an avenue for exploring new types of highly safe liquid anode batteries, which is a potential candidate for next-generation energy storage technology.
KeywordHybrid Sodium-air battery Liquid anode Low voltage gap Good safety
DOI10.1016/j.nanoen.2018.04.074
URLView the original
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Science & Technology - Other Topics ; Materials Science ; Physics
WOS SubjectChemistry, Physical ; Nanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Physics, Applied
WOS IDWOS:000434829500066
PublisherELSEVIER SCIENCE BV
The Source to ArticleWOS
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Citation statistics
Cited Times [WOS]:7   [WOS Record]     [Related Records in WOS]
Document TypeJournal article
CollectionUniversity of Macau
Recommended Citation
GB/T 7714
Liang, Feng,Qiu, Xuechao,Zhang, Qingkai,et al. A liquid anode for rechargeable sodium-air batteries with low voltage gap and high safety[J]. NANO ENERGY,2018,49:574-579.
APA Liang, Feng.,Qiu, Xuechao.,Zhang, Qingkai.,Kang, Yao.,Koo, Alicia.,...&Sun, Xueliang.(2018).A liquid anode for rechargeable sodium-air batteries with low voltage gap and high safety.NANO ENERGY,49,574-579.
MLA Liang, Feng,et al."A liquid anode for rechargeable sodium-air batteries with low voltage gap and high safety".NANO ENERGY 49(2018):574-579.
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