2–4 Jul 2025
Sola Strand Hotel
Europe/Oslo timezone

Local structural features of medium-entropy garnet with ultra-long cycle life

2 Jul 2025, 16:34
4m
Sola Strand Hotel

Sola Strand Hotel

Speaker

Prof. Wang Hay Kan (China Spallation Neutron Source)

Description

In the last two decades, the high-entropy effect has significantly enhanced the properties of materials ranging from alloys to ceramics, broadening the application fields of high-entropy materials. Intriguingly, the properties of solid-state electrolytes depend greatly on the structure, which is inevitably regulated by the introduction of various species in high-entropy materials. In this work, we synthesized a medium-entropy garnet electrolyte and analyzed the local structure with the combination of the neutron pair distribution function (PDF) refinement and the calculated supercell. Our results confirmed the existence of local clustering and the regulation of bond length due to the different ions. This methodology provides an effective strategy for uncovering the mechanism of high-entropy-caused properties from the structural perspective.

Primary authors

Prof. Hua Yang (China Spallation Neutron Source) Prof. Wang Hay Kan (China Spallation Neutron Source)

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