Enhanced Structural Stability of o-LiMnO2 by Sol−Gel Coating of Al2O3
Source abstract
Abstract
Sol-gel coating of Al2O3 and subsequent heat-treatment at 400 degreesC greatly improved structural instability of orthohombic LiMnO2 during electrochemical cycling at 55 degreesC. The coated electrode showed only 2% capacity loss after 50 cycles, which was superior to that of the bare one (35% loss) in its capacity stability. This was attributed to the formation of a protective coating layer, consisting of LiMn1-xAlxO2, only at the particle surface.
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Research context
OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Inorganic Chemistry and Materials
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Affiliations
School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332-0245, and School of Materials Science and Engineering, Seoul National University, Seoul, Korea
References (14)
Show source-provided references
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