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Issue 68, 2016
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“Water-in-salt” electrolytes enable the use of cost-effective aluminum current collectors for aqueous high-voltage batteries

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Abstract

The extended electrochemical stability window offered by highly concentrated electrolytes allows the operation of aqueous batteries at voltages significantly above the thermodynamic stability limit of water, at which the stability of the current collector potentially limits the cell voltage. Here we report the observation of suppressed anodic dissolution of aluminum in “water-in-salt” electrolytes enabling roll-to-roll electrode fabrication for high-voltage aqueous lithium-ion batteries on cost-effective light-weight aluminum current collectors using established lithium-ion battery technology.

Graphical abstract: “Water-in-salt” electrolytes enable the use of cost-effective aluminum current collectors for aqueous high-voltage batteries

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Publication details

The article was received on 11 May 2016, accepted on 25 Jul 2016 and first published on 04 Aug 2016


Article type: Communication
DOI: 10.1039/C6CC03969C
Chem. Commun., 2016,52, 10435-10438
  • Open access: Creative Commons BY license
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    “Water-in-salt” electrolytes enable the use of cost-effective aluminum current collectors for aqueous high-voltage batteries

    R.-S. Kühnel, D. Reber, A. Remhof, R. Figi, D. Bleiner and C. Battaglia, Chem. Commun., 2016, 52, 10435
    DOI: 10.1039/C6CC03969C

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