2017
DOI: 10.1002/smll.201703454
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A Lithium–Air Battery Stably Working at High Temperature with High Rate Performance

Abstract: Driven by the increasing requirements for energy supply in both modern life and the automobile industry, the lithium-air battery serves as a promising candidate due to its high energy density. However, organic solvents in electrolytes are likely to rapidly vaporize and form flammable gases under increasing temperatures. In this case, serious safety problems may occur and cause great harm to people. Therefore, a kind of lithium-air that can work stably under high temperature is desirable. Herein, through the us… Show more

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Cited by 49 publications
(33 citation statements)
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References 51 publications
(62 reference statements)
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“…Ionic liquid (IL) is used as alternative electrolyte in ambient Li-air batteries because of its excellent non-volatility, high hydrophobicity against water, high thermal stability, broad electrochemical window, and chemical stability against O2radicals. [68,[172][173][174][175][176] Among them, the unique hydrophobicity of the IL plays an important role in the construction of stable discharge products at the interface between the cathode and the O2, enabling possible a Li-O2 battery for use in humid oxygen conditions. Zhou et al tested the water content of tetraglyme (G4) and ILbased electrolytes after being kept for 1, 2, 4, and 7 days in a humid atmosphere (RH=51%) (Figure 20).…”
Section: Ionic Liquid Electrolytementioning
confidence: 99%
“…Ionic liquid (IL) is used as alternative electrolyte in ambient Li-air batteries because of its excellent non-volatility, high hydrophobicity against water, high thermal stability, broad electrochemical window, and chemical stability against O2radicals. [68,[172][173][174][175][176] Among them, the unique hydrophobicity of the IL plays an important role in the construction of stable discharge products at the interface between the cathode and the O2, enabling possible a Li-O2 battery for use in humid oxygen conditions. Zhou et al tested the water content of tetraglyme (G4) and ILbased electrolytes after being kept for 1, 2, 4, and 7 days in a humid atmosphere (RH=51%) (Figure 20).…”
Section: Ionic Liquid Electrolytementioning
confidence: 99%
“…By the way, Mg 2+ diffusion can also be accelerated by increasing working temperature. Unfortunately, ordinary organic solvent electrolytes rapidly vaporize to form flammable gases with increasing temperature, leading to serious safety concerns . The poor safety limits the practical use of high temperature application fields, such as high‐temperature electronics devices, geothermal, and oil/gas borehole power sources …”
mentioning
confidence: 99%
“…A polymer gel normally enables uniform coverage of the surface of electrodes along with improved interface contact to reduce the risks of leakage and short circuits, while ionic liquids are promising candidate materials for LABs due to their wide electrochemical windows and high thermal stability . To combine their advantages, Pan et al synthesized an ionic liquid gel electrolyte by mixing the ionic liquid LiTFSI and PVDF‐HFP. A coaxial fiber‐shaped LAB was then fabricated from an aligned CNT sheet and a lithium wire, which showed a wide electrochemical window of 1–5 V (vs Li/Li + ) at 2 mV s −1 and an impressive high‐temperature stability in that it could stably work even at 140 °C for 380 cycles at 10 A g −1 .…”
Section: Summary Of Fiber‐shaped Batteriesmentioning
confidence: 99%