What question did this study set out to answer?

To explore the enhancement of high-voltage performance in lithium-rich electrodes through electrolyte additive engineering.

May 8, 2026ACS Applied Materials & Interfaces1 citations

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Tris(trimethylsilyl) Phosphite as an Efficient Electrolyte Additive for a High-Voltage Li-Rich Disordered Rocksalt Cathode

MCMathieu Cogniard IPIrina Profatilova MPMélanie Pichardo

Key Points

To explore the enhancement of high-voltage performance in lithium-rich electrodes through electrolyte additive engineering.
Investigated the effects of tris(trimethylsilyl) phosphite as an electrolyte additive
Evaluated performance improvements in disordered rocksalt (DRX) cathodes
Utilized electrochemical testing to measure outcomes
Significant performance improvements observed with the additive
High-voltage operation improved in the lithium-rich disordered rocksalt cathode
Enhanced cycling stability and capacity retention reported

Abstract

. This work demonstrates that electrolyte engineering through rational additive design offers a simple yet scalable route to significantly improve the performance of high-voltage DRX positive electrodes.

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Tris(trimethylsilyl) Phosphite as an Efficient Electrolyte Additive for a High-Voltage Li-Rich Disordered Rocksalt Cathode

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Abstract

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