2021
DOI: 10.1039/d0ta12124j
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Dendrite-free reversible Li plating/stripping in adiponitrile-based electrolytes for high-voltage Li metal batteries

Abstract: In this study, we describe how incompatible adiponitrile is made compatible with lithium by forming a stable LiF enriched porous Li2O coating, which enables reversible Li plating/stripping with no dendrites.

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Cited by 9 publications
(3 citation statements)
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“…[35] While the vapor pressure of MeCN is high, it is similar to that of commonly used dimethoxyethane, and higher molecule weight nitriles with negligible vapor pressure have been reported for use in batteries. [36][37][38][39] Despite this, the capacity of cells containing MeCN electrolytes is limited by poor LiO 2 solubility, which results in surface passivation at the positive electrode. However, the use of redox mediators, which are routinely employed to facilitate solution-phase catalytic O 2 reduction, [40,41] has made the requirement of high LiO 2 solubility redundant.…”
Section: Introductionmentioning
confidence: 99%
“…[35] While the vapor pressure of MeCN is high, it is similar to that of commonly used dimethoxyethane, and higher molecule weight nitriles with negligible vapor pressure have been reported for use in batteries. [36][37][38][39] Despite this, the capacity of cells containing MeCN electrolytes is limited by poor LiO 2 solubility, which results in surface passivation at the positive electrode. However, the use of redox mediators, which are routinely employed to facilitate solution-phase catalytic O 2 reduction, [40,41] has made the requirement of high LiO 2 solubility redundant.…”
Section: Introductionmentioning
confidence: 99%
“…Nonaqueous lithium‐ion batteries (LIBs) currently are the main rechargeable power sources used for a diverse range of electric devices. [ 1–4 ] Compared with other types of rechargeable batteries, LIBs demonstrate high levels of energy density coupled with low levels of self‐discharge, [ 1,3,5–7 ] which has resulted in the acquisition of market dominance within a decade of commercial launch. [ 8 ] However, limitations of the availability and reserves of lithium continue to raise concerns about its exhaustion and price surges, [ 9 ] which would render LIBs incompatible particularly for grid‐scale applications.…”
Section: Introductionmentioning
confidence: 99%
“…Nonaqueous lithium-ion batteries (LIBs) currently are the main rechargeable power sources used for a diverse range of electric devices. [1][2][3][4] Compared with other types of rechargeable batteries, LIBs demonstrate high levels of energy density coupled with low levels of self-discharge, [1,3,[5][6][7] which has resulted in the Numerous approaches have been employed to circumvent these challenges (side reactions and dendrites) caused by using Zn metal in ZIBs. Modulation of the Zn 2+ -coordination environment on a molecular level has been examined utilizing highly concentrated electrolytes (known as "water in salt"), in which the Zn 2+ ions were surrounded by anions, instead of H 2 O, thereby constraining side reactions and suppressing dendritic growth.…”
Section: Introductionmentioning
confidence: 99%