Design of grid-like triple-carbon matrix confined ultrafine CoTe<sub>2</sub> nanocrystals toward durable and fast potassium storage

Huang, Zhijiao; Xiong, Shiyun; Zhang, Wei; Wang, Gaoyu; Wang, Lixiang; Peng, Jian; Li, Qinghua; Liang, Zhixin; Cheng, Yajuan; Huang, Shaoming

doi:10.1039/d3ta07553b

J. Mater. Chem. A

2024

DOI: 10.1039/d3ta07553b

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Design of grid-like triple-carbon matrix confined ultrafine CoTe₂ nanocrystals toward durable and fast potassium storage

Zhijiao Huang,

Shiyun Xiong,

Wei Zhang

et al.

Abstract: Developing sophisticated electrode materials has been considered a promising strategy for enhancing the performance of potassium storage. CoTe2, a potential anode material, has been extensively investigated due to its high...

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Grid‐Like Structured Sb@DNC Anode by Self‐Sacrificial Etching for Fast and Durable Sodium Storage

Wang,

Li,

Zhang

et al. 2024

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Alloying‐type materials are promising anodes for sodium storage due to high specific capacities and appropriate redox potentials, but their practical application is impeded by rapid capacity decay from volume change during sodium ion insertion/extraction. Hence, a dual‐type N‐doped carbon‐confined antimony (Sb) nanoparticle (Sb@DNC, where DNC contains an outer N‐doped carbon armor and an inner N‐doped grid‐like carbon skeleton) anode material is fabricated via a self‐sacrificial etching strategy to address this challenge. Specifically, the dual‐type N‐doped carbon matrix can prevent the agglomeration and precipitation of Sb particles, increase a large number of reactive active sites, alleviate severe volume expansion/contraction, and construct a highly interconnected electron/ion transport network. Benefiting from the exquisite structure, the Sb@DNC electrode exhibits excellent cycling stability (2400 cycles at 1.0 A g−1) and astonishing high‐rate performance (331.0 mAh g−1 at 10.0 A g−1). Additionally, the state‐of‐the‐art in/ex situ technologies reveals the sodium storage mechanism of the “battery‐capacitance dual‐mode” and the origin of the ability to withstand continuous volumetric strain for the Sb@DNC electrode. Finally, the derived sodium‐ion full cell presents outstanding practical potential. This work emphasizes the great significance of rational structural engineering strategies in the field of alloy‐type anode materials for high‐performance sodium‐ion batteries.

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Grid‐Like Structured Sb@DNC Anode by Self‐Sacrificial Etching for Fast and Durable Sodium Storage

Wang,

Li,

Zhang

et al. 2024

Small

View full text Add to dashboard Cite

show abstract

Recent progress in design strategies for high-performance metal-tellurium batteries

Kim,

Choi,

2025

Chemical Engineering Journal

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One-dimensional CoTe₂ nanorods combined with an optimal carbon layer for fast and robust potassium storage

Ye,

Wang,

Zhang

et al. 2024

New J. Chem.

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Design of grid-like triple-carbon matrix confined ultrafine CoTe₂ nanocrystals toward durable and fast potassium storage

Abstract: Developing sophisticated electrode materials has been considered a promising strategy for enhancing the performance of potassium storage. CoTe2, a potential anode material, has been extensively investigated due to its high...

Cited by 3 publications

References 45 publications

Grid‐Like Structured Sb@DNC Anode by Self‐Sacrificial Etching for Fast and Durable Sodium Storage

Grid‐Like Structured Sb@DNC Anode by Self‐Sacrificial Etching for Fast and Durable Sodium Storage

Recent progress in design strategies for high-performance metal-tellurium batteries

One-dimensional CoTe₂ nanorods combined with an optimal carbon layer for fast and robust potassium storage

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Design of grid-like triple-carbon matrix confined ultrafine CoTe2 nanocrystals toward durable and fast potassium storage

Abstract: Developing sophisticated electrode materials has been considered a promising strategy for enhancing the performance of potassium storage. CoTe2, a potential anode material, has been extensively investigated due to its high...

Cited by 3 publications

References 45 publications

Grid‐Like Structured Sb@DNC Anode by Self‐Sacrificial Etching for Fast and Durable Sodium Storage

Grid‐Like Structured Sb@DNC Anode by Self‐Sacrificial Etching for Fast and Durable Sodium Storage

Recent progress in design strategies for high-performance metal-tellurium batteries

One-dimensional CoTe2 nanorods combined with an optimal carbon layer for fast and robust potassium storage

Contact Info

Product

Resources

About

Design of grid-like triple-carbon matrix confined ultrafine CoTe₂ nanocrystals toward durable and fast potassium storage

One-dimensional CoTe₂ nanorods combined with an optimal carbon layer for fast and robust potassium storage