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2021 F. M. Becket Fellowship – Summary Report Measuring Transient Electrochemistry of Lithium Metal Anodes under Varying External Stack Pressures
Author(s) -
Wesley Chang
Publication year - 2021
Publication title -
the electrochemical society interface
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.568
H-Index - 46
eISSN - 1944-8783
pISSN - 1064-8208
DOI - 10.1149/2.f06214if
Subject(s) - electrochemistry , lithium (medication) , anode , electrolyte , stack (abstract data type) , materials science , lithium metal , faraday efficiency , deposition (geology) , inorganic chemistry , metal , chemical engineering , chemistry , electrode , metallurgy , sediment , computer science , biology , programming language , endocrinology , medicine , paleontology , engineering
Lithium metal anodes are challenged by the inherent chemical and electrochemical reactivity of lithium metal, which is further exacerbated by non-uniform high surface area deposition. Recently, lithium difluoro(oxalato)borate (LiDFOB) salt coupled with a fluorinated solvent has been demonstrated to result in densely deposited lithium morphology along with high Coulombic efficiencies due to a stable solidelectrolyte-interphase. Along with other newly discovered electrolyte compositions for stable lithium deposition, these studies typically utilize high stack pressures and elevated temperatures. These developments are promising, and would further benefit from a study that maps out the effects of varying stack pressure and temperature on lithium anode mechanics, chemistry, and electrochemistry.

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