Reinforced Hydrophobic Molecular Layer Promoting Waterproof Lithium for High-Performance Lithium-Metal Batteries

Abstract:

The employment of lithium (Li) metal is crucial to sustainable Li metal batteries (LMBs) with realistically high energy density. The management and usage of Li in reality, however, remain high challenge due to the desirable of obtaining an undamaged Li structure arising from the indispensable in extenuating strongly environmental dependence of Li during stored procedure and minimizing the Li depletion and pulverization on long-term cycles. Herein, we impair the molecular hydrogen bonding cooperation between lithium and water molecules on the surface of Li to demonstrate an achievement of environmental independent and durable Li via integrating a reinforced molecular hydrophobic interface on the surface of Li. As a result, the molecular hydrophobic interface modified Li metal can exhibit dendrite-free Li deposition and achieve stable operation for 200 cycles in Li-S full cell at a current of 1 C.

• Periodical: Key Engineering Materials (Volume 939)
• Pages: 117-122
• DOI: https://doi.org/10.4028/p-lm3si4
• Online since: January 2023
• Authors: Yu Hong Ma*
• Keywords: Hydrophobic Interface, Lithium Dendrites, Lithium Metal Anode, Lithium Sulfur Batteries

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