Supramolecular polymers with dual energy storage mechanism for high-performance supercapacitors

Zhao, Jingyuan; Liu, Xu; Zhang, Chunfang; Zhang, Pengfei; Jiang, Chaojie; Lin, Jiayu; Liu, Zhenyan; Deng, Kuilin

doi:10.1016/j.jcis.2023.12.094

Journal of Colloid and Interface Science

2024

DOI: 10.1016/j.jcis.2023.12.094

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Supramolecular polymers with dual energy storage mechanism for high-performance supercapacitors

Jingyuan Zhao,

Xu Liu,

Chunfang Zhang

et al.

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Cited by 4 publications

References 51 publications

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Supermolecule‐Opitimized Defect Engineering of Rich Nitrogen‐Doped Porous Carbons for Advanced Zinc‐Ion Hybrid Capacitors

Zhang,

Qin,

Zuo

et al. 2024

ChemSusChem

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Pitch‐based porous carbons with adjustable surface chemical property and controllable pore structure are regarded as promising cathode materials for aqueous zinc‐ion hybrid capacitors (ZIHCs), while its disordered carbon matrix and microstructure as well as insufficient surface defects often result in low Zn2+‐storage capacity and poor rate capability of ZIHCs. Herein, a synergetic strategy of self‐assembled supermolecule and enriched defective carbon engineering was developed to achieve ultrahigh edge‐nitrogen doping for ZIHCs. The crystallite defects and surface structure of porous carbon could be effectively achieved through grafting electronegative oxygen‐containing small molecules and high‐level nitrogen‐containing functional groups between modified polycyclic aromatic hydrocarbon and supermolecule framework. The optimized three‐dimensional carbon structure delivered high capacity of 218 mAh g‐1 at 0.2 A g‐1, fast charge/discharge capability, enhanced energy density (165.4 Wh kg‐1) and superior cycling stability (95% retention after 10000 cycles as cathode of ZIHCs). This provided new insight into the controllable synthesis of carbon cathodes for ZIHCs and expects to prepare functional porous carbon by supermolecules and special precursors.

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Supermolecule‐Opitimized Defect Engineering of Rich Nitrogen‐Doped Porous Carbons for Advanced Zinc‐Ion Hybrid Capacitors

Zhang,

Qin,

Zuo

et al. 2024

ChemSusChem

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Design of cost-effective multi-colored nanoporous 3D conjugated polymer for stable flexible electrochromic supercapacitors

Zhang,

Cao,

et al. 2024

Journal of Energy Storage

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Construction of 2D MOF nanosheets with missing-linker defects for enhanced supercapacitor performance

Zhang,

Yang,

Deng

et al. 2024

Journal of Alloys and Compounds

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Supramolecular polymers with dual energy storage mechanism for high-performance supercapacitors

Cited by 4 publications

References 51 publications

Supermolecule‐Opitimized Defect Engineering of Rich Nitrogen‐Doped Porous Carbons for Advanced Zinc‐Ion Hybrid Capacitors

Supermolecule‐Opitimized Defect Engineering of Rich Nitrogen‐Doped Porous Carbons for Advanced Zinc‐Ion Hybrid Capacitors

Design of cost-effective multi-colored nanoporous 3D conjugated polymer for stable flexible electrochromic supercapacitors

Construction of 2D MOF nanosheets with missing-linker defects for enhanced supercapacitor performance

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