Journal
ENERGY & ENVIRONMENTAL SCIENCE
Volume 11, Issue 5, Pages 1197-1203Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c7ee03365f
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Funding
- 135'' Projects Fund of CAS-QIBEBT Director Innovation Foundation
- Key Research Program of the Chinese Academy of Sciences [KFZD-SW-414]
- National Natural Science Foundation for Distinguished Young Scholars of China [51625204]
- National Natural Science Foundation of China [51703236]
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In this article, we demonstrated for the first time an ultra-strong bacterial cellulose supported poly(methyl vinyl ether-alt-maleic anhydride) as a multifunctional polymer electrolyte for a 4.45 V-class LiCoO2 lithium metal battery. Such a polymer electrolyte based LiCoO2 lithium metal battery delivered significant capacity retention (85% retention after 700 cycles) at 60 degrees C. A more thorough investigation elucidated that it played multiple roles in enhancing the electro-oxidative resistance and reversible lithium plating/stripping of a LiCoO2 lithium metal cell. These extraordinary features open up a new avenue for the fabrication of advanced polymer electrolytes for high-voltage lithium metal cells.
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