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Following their groundbreaking study in inorganic perovskite tandem photovoltaics published in Nature in 2024, Professor Yan Keyou's research team at SCUT has achieved a major advancement inhigh-energy-density lithium metal batteries. Their research outcome has been published in the world'sleading science journal Nature under the title 'Li?ZrF?-Based Electrolytes for Durable Lithium MetalBatteries'.

Lithium metal batteries are widely regarded as one of the most promising candidates for next?generation energy storage systems. However, the conventional carbonate-based electrolytes used inlithium-ion batteries remain fundamentally incompatible with lithium metal batteries. Consequently,constructing an ideal solid electrolyte interphase at the lithium metal anode interface has consistentlyrepresented a critical challenge in this field of research.

To address this challenge, SCUT researchers have demonstrated the feasibility of using t-Li?ZrF? crystalsto construct an optimal solid electrolyte interphase. They proposed using an electric field to drive thephase transition from m-Li?ZrF? to t-Li?ZrF? for solid electrolyte interphase formation. Experimentalresults show that this approach not only leverages t-Li?ZrF?'s superior electron-insulating properties toprevent electron-induced breakdown of the solid electrolyte interface, thereby suppressing electrolytedecomposition, but also facilitates rapid Li? ion transport and thereby significantly enhances the ratecapability of lithium metal batteries.