December 8, 2025Open Access

The impact of volume expansion on thermodynamic and kinetic properties of graphite/Si alloy composite anodes

Key Points

Irreversible expansion enhances electrode porosity, supporting better lithium-ion diffusion and charge-transfer.
Key metrics include improved thermodynamic properties associated with volume expansion.
Assessment of graphite/Si alloy composites highlights the role of silicon-induced expansion in performance.
These findings signal potential advancements in battery anode efficiency and energy storage capabilities.

Abstract

Irreversible expansion induced by silicon increases electrode porosity, thereby enhancing thermodynamic and kinetic properties through improved lithium-ion diffusion and charge-transfer within the graphite reaction region.

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Cite This Study

Zhumabay Bakenov (Wed,) studied this question.

synapsesocial.com/papers/693624ba4fa91c937236ca00 https://doi.org/https://doi.org/10.1039/d5ra07317k

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