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Industrial‐Scale Hard Carbon Designed to Regulate Electrochemical Polarization for Fast Sodium Storage

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July 29, 2024
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Research Abstract & Technology Focus

AbstractGiven the merits of abundant resource, low cost and high electrochemical activity, hard carbons have been regarded as one of the most commercializable anode material for sodium‐ion batteries (SIBs). However, poor rate capability is one of the main obstacles that severely hinder its further development. In addition, the relationships between preparation method, material structure and electrochemical performance have not been clearly elaborated. Herein, a simple but effective strategy is proposed to accurately construct the multiple structural features in hard carbon via adjusting the components of precursors. Through detailed physical characterization of the hard carbons derived from different regulation steps, and further combined with in‐situ Raman and galvanostatic intermittent titration technique (GITT) analysis, the network of multiple relationships between preparation method, microstructure, sodium storage behavior and electrochemical performance have been successfully established. Simultaneously, exceptional rate capability about 108.8 mAh g−1 at 8 A g−1 have been achieved from RHC sample with high reversible capacity and desirable initial Coulombic efficiency (ICE). Additionally, the practical applications can be extended to cylindrical battery with excellent cycle behaviors. Such facile approach can provide guidance for large‐scale production of high‐performance hard carbons and provides the possibility of building practical SIBs with high energy density and durability.
industrial scale carbon designed regulate electrochemical
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What is the core focus of the research titled 'Industrial‐Scale Hard Carbon Designed to Regulate Electrochemical Polarization for Fast Sodium Storage'?

This literature focuses on: AbstractGiven the merits of abundant resource, low cost and high electrochemical activity, hard carbons have been regarded as one of the most commercializable anode material for sodium‐ion batteries (SIBs). However, poor rate capability is one of ...

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What other academic literature is closely related to 'Industrial‐Scale Hard Carbon Designed to Regulate Electrochemical Polarization for Fast Sodium Storage'?

Yes, highly correlated activity was mapped. An entry titled 'Nanoconfined Strategy Optimizing Hard Carbon for Robust Sodium Storage' discusses this: AbstractDeveloping non‐graphitic carbons with unique microstructure is a popular strategy to enhance the significant potential in practical applica...

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