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Updated: Mar 28, 2026

Solid-state Graft Copolymer Electrolytes for Lithium Battery Applications
Published on: August 12, 2013
Smart-flame-retarding layered composite Li negative electrode for safe Li metal battery
Haoying Qi1,2,3, Lequan Deng1, Yaoyao Liu4
1State Key Laboratory of Crystal Materials, Shandong University, Jinan, People's Republic of China.
None:
The high flammability problem of Li metal negative electrode has persistently impeded the safe application of energy-dense Li metal batteries. Conventional flame-retardant mixing strategy also fails in addressing this challenge because of the severe function-destroying corrosion reaction between flame retardant and Li metal. In this work, we propose a layered graphene oxide/flame retardant/lithiophilic ZnO layer/Li metal negative electrode for eliminating the corrosion between Li metal and flame retardant, while smartly releasing the thermal-triggered flame-retarding gases for covering and bonding with Li metal against combustion. This smart-flame-retard layered Li negative electrode afford 2677.78% prolonged battery cycle life than the pure Li negative electrode after 600 °C ignition, and 94.68% suppressed side reaction than conventional flame retardant-Li mixture during regular electrode operation. This resolution on the flammability challenge of Li metal negative electrode presents a meaningful advancement for safe Li metal battery construction.
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