Tandem Catalysts Boost Sulfur Use in Solid-State Batteries (IMAGE)
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(a) Reaction pathways of conventional all-solid-state Li-S batteries. In ASSLSBs, the solid-solid conversion between S8 and Li2S at constrained three-phase interfaces involves high energy barriers, typically resulting in incomplete sulfur conversion. (b) Reaction pathways of all-solid-state Li-S batteries with tandem catalysis. Tandem catalysis significantly reduces these energy barriers and promotes smoother and more complete reduction of S8 to Li2S via Li2S2 intermediates.
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