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Characterizing Interface Chemistry in All-solid-state Sodium Batteries (T06-Q02-LBP1)

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Characterizing Interface Chemistry in All-solid-state Sodium Batteries (T06-Q02-LBP1)

Phase:	Theme
Theme:	Grids and Storage (T06)
StatusStatut:	Active
Start DateDate de début:	2025-01-01
End DateDate de fin:	2026-05-31
Principal Investigator
Sang, Lingzi

Aperçu de Project Overview

Reaction at the electrolyte/electrode interface is the critical factor dictating the life-time of all-solid-state batteries. Characterize that reaction kinetically is the key to understand decomposition mechanism and develop a protection for longer life-time and enhanced performance. In this project, we optimized the spectroelectrochemical reaction cell design and achieve the real-time Raman/XRD characterization of interfacial degradation evolution in a cycling battery. Beyond pristine electrolyte, impacts of two common modification on it, doping (W doping) and coating (CMC coating), will also be analyzed to obtain a comprehensive picture of their contribution in cycling performance. The ultimate goal of this project to develop and apply this methodology to all components of all-solid-state batteries for a complete kinetic story in batteries decaying and protection.

Outputs

Title	Category	Date	Authors
Pushing the Limit of in-Situ Characterization in All-Solid-State Battery: Full Decomposition Mechanism of Na3SbS4 Electrolyte Under Precise Potential Control	Activity	2025-05-18	Geng Xie, Sang, L.

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