Closed pore structure engineering from ultra-micropores with the assistance of polypropylene for boosted sodium ion storage

Li, Xue; Sun, Ning; Zhang, Shaohong; Soomro, Razium Ali; Xu, Bin

doi:10.1039/d4ta01375a

J. Mater. Chem. A

2024

DOI: 10.1039/d4ta01375a

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Closed pore structure engineering from ultra-micropores with the assistance of polypropylene for boosted sodium ion storage

Xue Li,

Ning Sun,

Shaohong Zhang

et al.

Abstract: Carbonaceous materials with closed pore structure have emerged as promising anodes for sodium-ion batteries. However, the rational design of closed pores and the investigation of their underlying sodium storage mechanisms...

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Cited by 12 publications

References 63 publications

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Rigid‐Flexible Coupling Realized by Synergistic Engineering of the Graphitic‐Amorphous Architecture for Durable and Fast Potassium Storage

Jiang,

Sun,

Cao

et al. 2024

Advanced Science

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Graphite anodes hold great potential for potassium‐ion batteries (PIBs), yet their practical application is hindered by poor cycle performance caused by substantial interlayer expansion. Herein, a partial graphitic carbon (PGC) is elaborately engineered via the catalytic effect of ferric citrate using pitch as a carbon precursor. Systematically varying the catalyst content enables an optimal PGC design integrating a highly graphitized phase providing abundant active sites for K‐ion intercalation, balanced with an amorphous carbon region that accommodates volume expansion and facilitates ion diffusion. The optimized PGC12 electrode exhibits a high reversible capacity of 281.9 mAh g−1, characterized by a prolonged low‐potential plateau region, and excellent cycle stability with a capacity retention of 94.8% after 300 cycles. It also realizes an impressive rate capability with a retained capacity of 222.2 mAh g−1 at 1 C. Moreover, the assembled K‐ion full‐cell delivers an exceptional energy density of 148.2 Wh kg−1. In‐situ XRD and DFT simulations further verify the distinct phase transition mechanisms and reaction dynamics across different carbon configurations. This work elucidates the impact of carbon configurations on K‐storage performance and proposes a structural model for efficient K‐ion storage, which is instrumental in the rational design and advancement of carbon anodes in PIBs.

show abstract

Rigid‐Flexible Coupling Realized by Synergistic Engineering of the Graphitic‐Amorphous Architecture for Durable and Fast Potassium Storage

Jiang,

Sun,

Cao

et al. 2024

Advanced Science

View full text Add to dashboard Cite

show abstract

Revealing Low-Voltage Li/Na/K storage in hard carbon Anodes: Insertion or Pore-Filling under debate

Wang,

Chen,

Xiong

et al. 2024

Chemical Engineering Journal

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Lattice sulfuration enhanced sodium storage performance of Na0.9Li0.1Zn0.05Ni0.25Mn0.6O2 cathode

Lu,

zhao,

Soomro

et al. 2024

Chemical Engineering Journal

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Closed pore structure engineering from ultra-micropores with the assistance of polypropylene for boosted sodium ion storage

Abstract: Carbonaceous materials with closed pore structure have emerged as promising anodes for sodium-ion batteries. However, the rational design of closed pores and the investigation of their underlying sodium storage mechanisms...

Cited by 12 publications

References 63 publications

Rigid‐Flexible Coupling Realized by Synergistic Engineering of the Graphitic‐Amorphous Architecture for Durable and Fast Potassium Storage

Rigid‐Flexible Coupling Realized by Synergistic Engineering of the Graphitic‐Amorphous Architecture for Durable and Fast Potassium Storage

Revealing Low-Voltage Li/Na/K storage in hard carbon Anodes: Insertion or Pore-Filling under debate

Lattice sulfuration enhanced sodium storage performance of Na0.9Li0.1Zn0.05Ni0.25Mn0.6O2 cathode

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