Pre-crosslinking enables a promising cyclodextrin-derived carbon anode with large plateau capacity for sodium ion batteries

Ding, Haifeng; Yue, Liang; Liu, Yonghang; Zhang, Yi; Zhao, Qing; Zhi, Peipei; Qi, Yuruo; Xu, Maowen

doi:10.1039/d3nj04843h

New J. Chem.

2024

DOI: 10.1039/d3nj04843h

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Pre-crosslinking enables a promising cyclodextrin-derived carbon anode with large plateau capacity for sodium ion batteries

Haifeng Ding,

Liang Yue,

Yonghang Liu

et al.

Abstract: The cross-linking reaction tends to produce more sp3-hybrid carbon, which finally results in more curved and shorter carbon layers as well as much more closed pores. Therefore, we can regulate the closed pores and platform capacity.

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Pore structure manipulation‐enhanced sodium storage of calcium‐lignosulfonate‐based hard carbon

Gou,

Bai,

et al. 2024

Battery Energy

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Sodium‐ion batteries (SIBs) have attracted a lot of attention owing to their low cost, as well as similar working mechanism and manufacturing technique to lithium‐ion batteries. However, the practical application of SIBs is severely hindered by limited electrode materials. Disordered carbons are reported to be promising as anode materials for SIBs. Here, for the first time, calcium lignosulfonate (LSCa), one papermaking waste, is explored as a novel low‐cost precursor for carbon materials of SIBs. The optimized LSCa‐derived carbon delivers a high reversible capacity of 317 mA h g−1 at 30 mA g−1 with ~60% plateau capacity, and it retains a capacity of 170 mA h g−1 even at 3000 mA g−1. These achievements are ascribed to the larger d002 values, smaller defects, and more closed pores, compared with the original sample from the direct carbonization of LSCa.

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Pore structure manipulation‐enhanced sodium storage of calcium‐lignosulfonate‐based hard carbon

Gou,

Bai,

et al. 2024

Battery Energy

View full text Add to dashboard Cite

show abstract

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Pre-crosslinking enables a promising cyclodextrin-derived carbon anode with large plateau capacity for sodium ion batteries

Abstract: The cross-linking reaction tends to produce more sp3-hybrid carbon, which finally results in more curved and shorter carbon layers as well as much more closed pores. Therefore, we can regulate the closed pores and platform capacity.

Cited by 1 publication

References 39 publications

Pore structure manipulation‐enhanced sodium storage of calcium‐lignosulfonate‐based hard carbon

Pore structure manipulation‐enhanced sodium storage of calcium‐lignosulfonate‐based hard carbon

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