Nanoarchitectonics of hierarchical porous carbon based on carbonization of heavy fraction of bio-oil and its supercapacitor performance

Qi, Penggang; Su, Yinhai; Yang, Liren; Wang, Jiaxing; Jiang, Mei; Sun, Xiaofei; Zhang, Ping; Xiong, Yuanquan

doi:10.1016/j.est.2023.109398

Journal of Energy Storage

2023

DOI: 10.1016/j.est.2023.109398

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Nanoarchitectonics of hierarchical porous carbon based on carbonization of heavy fraction of bio-oil and its supercapacitor performance

Penggang Qi,

Yinhai Su,

Liren Yang

et al.

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Cited by 12 publications

References 61 publications

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Highly Graphitized Coal Tar Pitch‐Derived Porous Carbon as High‐Performance Lithium Storage Materials

Zhao,

Qi,

Zhang

et al. 2024

Chemistry A European J

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Because of its high specific capacity and superior rate performance, porous carbon is regarded as a potential anode material for lithium‐ion batteries (LIBs). However, porous carbon materials with wide pore diameter distributions suffer from low structural stability and low electrical conductivity during the application process. During this study, the calcium carbonate nanoparticle template method is used to prepare coal tar pitch‐derived porous carbon (CTP‐X). The coal tar pitch‐derived porous carbon has a well‐developed macroporous‐mesoporous‐microporous hierarchical porous network structure, which provides abundant active sites for Li+ storage, significantly reduces polarization and charge transfer resistance, shortens the diffusion path and promotes the rapid transport of Li+. More specifically, the CTP‐2 anode shows high charge capacity (496.9 mAh g‐1 at 50 mA g‐1), excellent rate performance (413.6 mAh g‐1 even at 500 mA g‐1), and high cycling stability (capacity retention rate of about 100% after 1,000 cycles at 2 A g‐1). The clean and eco‐friendly large‐scale utilization of coal tar pitch will facilitate the development of high‐performance anodes in the field of LIBs.

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Highly Graphitized Coal Tar Pitch‐Derived Porous Carbon as High‐Performance Lithium Storage Materials

Zhao,

Qi,

Zhang

et al. 2024

Chemistry A European J

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Natural N/O/S co-doped defect-rich functional carbon materials for aqueous supercapacitors: Effect mechanism of N-containing functional groups on chemical activation

Yue,

Yu,

Zhang

et al. 2024

Applied Surface Science

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Nanoarchitectonics of hierarchical porous biochars from heavy bio-oil by coupling calcium salts assisted template carbonization and K2CO3 activation for high-performance supercapacitors

Zhu,

Wu,

Chen

et al. 2024

Biomass and Bioenergy

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Nanoarchitectonics of hierarchical porous carbon based on carbonization of heavy fraction of bio-oil and its supercapacitor performance

Cited by 12 publications

References 61 publications

Highly Graphitized Coal Tar Pitch‐Derived Porous Carbon as High‐Performance Lithium Storage Materials

Highly Graphitized Coal Tar Pitch‐Derived Porous Carbon as High‐Performance Lithium Storage Materials

Natural N/O/S co-doped defect-rich functional carbon materials for aqueous supercapacitors: Effect mechanism of N-containing functional groups on chemical activation

Nanoarchitectonics of hierarchical porous biochars from heavy bio-oil by coupling calcium salts assisted template carbonization and K2CO3 activation for high-performance supercapacitors

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