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Directional Polarization of a Ferroelectric Intermediate Layer Inspires a Built-In Field in Si Anodes to Regulate Li⁺ Transport Behaviors in Particles and Electrolyte.

ABSTRACT: The silicon (Si) anode is prone to forming a high electric field gradient and concentration gradient on the electrode surface under high-rate conditions, which may destroy the surface structure and decrease cycling stability. In this study, a ferroelectric (BaTiO₃) interlayer and field polarization treatment are introduced to set up a built-in field, which optimizes the transport mechanisms of Li⁺ in solid and liquid phases and thus enhances the rate performance and cycling stability of Si anodes. Also, a fast discharging and slow charging phenomenon is observed in a half-cell with a high reversible capacity of 1500.8 mAh g^-1 when controlling the polarization direction of the interlayer, which means a fast charging and slow discharging property in a full ba

SUBMITTER: Liu M

PROVIDER: S-EPMC11220674 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature

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Dataset Information

Directional Polarization of a Ferroelectric Intermediate Layer Inspires a Built-In Field in Si Anodes to Regulate Li⁺ Transport Behaviors in Particles and Electrolyte.

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Dataset Information

Directional Polarization of a Ferroelectric Intermediate Layer Inspires a Built-In Field in Si Anodes to Regulate Li+ Transport Behaviors in Particles and Electrolyte.

OmicsDI is part of the ELIXIR infrastructure

Tweets

Directional Polarization of a Ferroelectric Intermediate Layer Inspires a Built-In Field in Si Anodes to Regulate Li⁺ Transport Behaviors in Particles and Electrolyte.