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Toward Reversible a...
Toward Reversible and Moisture-Tolerant Aprotic Lithium-Air Batteries
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- Temprano, Israel (author)
- University Of Cambridge
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- Liu, Tao (author)
- University Of Cambridge
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- Petrucco, Enrico (author)
- Johnson Matthey PLC
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- Ellison, James H.J. (author)
- University Of Cambridge
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- Kim, Gunwoo (author)
- University Of Cambridge
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- Jonsson, Erlendur, 1983 (author)
- Chalmers tekniska högskola,Chalmers University of Technology,University Of Cambridge
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- Grey, C. P. (author)
- University Of Cambridge
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(creator_code:org_t)
- Elsevier BV, 2020
- 2020
- English.
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In: Joule. - : Elsevier BV. - 2542-4351. ; 4:11, s. 2501-2520
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Abstract
Subject headings
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- The development of moisture-tolerant, LiOH-based non-aqueous Li-O2 batteries is a promising route to bypass the inherent limitations caused by the instability of their typical discharge products, LiO2 and Li2O2. The use of the I−/I3− redox couple to mediate the LiOH-based oxygen reduction and oxidation reactions has proven challenging due to the multiple reaction paths induced by the oxidation of I− on cell charging. In this work, we introduce an ionic liquid to a glyme-based electrolyte containing LiI and water and demonstrate a reversible LiOH-based Li-O2 battery cycling that operates via a 4 e−/O2 process with a low charging overpotential (below 3.5 V versus Li/Li+). The addition of the ionic liquid increases the oxidizing power of I3−, shifting the charging mechanism from IO−/IO3− formation to O2 evolution.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
- NATURVETENSKAP -- Kemi -- Materialkemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Materials Chemistry (hsv//eng)
- TEKNIK OCH TEKNOLOGIER -- Kemiteknik -- Annan kemiteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Chemical Engineering -- Other Chemical Engineering (hsv//eng)
Keyword
- lithium hydroxide discharge product
- iodide/triiodide redox couple
- moisture tolerant
- ionic liquids
- lithium-air batteries
- oxygen evolution reaction
- thermodynamic analysis
- molecular dynamics
- redox mediators
Publication and Content Type
- art (subject category)
- ref (subject category)
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