Improving the capacitive performance of wood-derived carbon monolith by anchoring heteroatom-doped carbon nanotubes in the vessels via in situ chemical vapor deposition

Yan, Bing; Zhang, Qian; Yang, Guangjie; He, Chenweijia; Chen, Junxi; Li, Ping; Liu, Zhenlu; Yang, Haoqi; Chen, Dai; He, Shuijian

doi:10.1016/j.colsurfa.2024.134263

Colloids and Surfaces A: Physicochemical and Engineering Aspect

2024

DOI: 10.1016/j.colsurfa.2024.134263

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Improving the capacitive performance of wood-derived carbon monolith by anchoring heteroatom-doped carbon nanotubes in the vessels via in situ chemical vapor deposition

Bing Yan,

Qian Zhang,

Guangjie Yang

et al.

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Cited by 6 publications

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RuO₂/Cysteine Nanocomposites for High‐Performance Supercapacitors

Zhang,

Guo,

Zhu

et al. 2024

ChemNanoMat

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RuO2/Cysteine (RuO2/Cys) nanocomposites were synthesized using a facile high‐temperature hydrothermal method, with improved specific capacitance and good electrochemical durability. The advantage of using cysteine is that its molecule is rich in ligands such as carboxyl, sulfhydryl, and amino groups, which can be easily bound to hydrated RuO2, thus facilitating its effective dispersion. Analyses of its morphology, structure, and chemical composition showed that the incorporation of L‐cysteine greatly inhibited the agglomeration of RuO2 and improved its dispersion, and the scale of RuO2 was reduced from the original micrometer scale to the nanometer scale. Such structures facilitated proton transfer and electron transfer, so RuO2/Cys nanocomposites showed significantly improved specific capacitance, up to 1221.7 F g‐1, and the energy density was up to 108.6 Wh kg‐1 with a power density of 400.2 W kg‐1 at 1 A g‐1 in a 0.5 M H2SO4 electrolyte. The combination of L‐cysteine with RuO2 also effectively prevented the deformation of RuO2 in the redox process, and the capacitance retention rate was increased to 87.7% compared to 48.8% of pristine RuO2 after 10,000 charging‐discharging cycles. High capacitance performance and improved cyclic stability enable RuO2/Cys nanocomposite a favorable electrode material for wide applications in energy storage.

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RuO₂/Cysteine Nanocomposites for High‐Performance Supercapacitors

Zhang,

Guo,

Zhu

et al. 2024

ChemNanoMat

View full text Add to dashboard Cite

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Fabrication of oxygen-rich/nitrogen-doped hierarchical porous Ganoderma lucidum spore activated carbon for enhanced supercapacitor performance

Liu,

Hu,

et al. 2024

J Mater Sci

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The design of binder-free self-supporting carbon paper electrode based on biomass derived hierarchical porous carbon/cellulose nanofibers for sustainable flexible supercapacitors

Bai,

Zhang,

Bai

et al. 2024

Applied Surface Science

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Improving the capacitive performance of wood-derived carbon monolith by anchoring heteroatom-doped carbon nanotubes in the vessels via in situ chemical vapor deposition

Cited by 6 publications

References 62 publications

RuO₂/Cysteine Nanocomposites for High‐Performance Supercapacitors

RuO₂/Cysteine Nanocomposites for High‐Performance Supercapacitors

Fabrication of oxygen-rich/nitrogen-doped hierarchical porous Ganoderma lucidum spore activated carbon for enhanced supercapacitor performance

The design of binder-free self-supporting carbon paper electrode based on biomass derived hierarchical porous carbon/cellulose nanofibers for sustainable flexible supercapacitors

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Improving the capacitive performance of wood-derived carbon monolith by anchoring heteroatom-doped carbon nanotubes in the vessels via in situ chemical vapor deposition

Cited by 6 publications

References 62 publications

RuO2/Cysteine Nanocomposites for High‐Performance Supercapacitors

RuO2/Cysteine Nanocomposites for High‐Performance Supercapacitors

Fabrication of oxygen-rich/nitrogen-doped hierarchical porous Ganoderma lucidum spore activated carbon for enhanced supercapacitor performance

The design of binder-free self-supporting carbon paper electrode based on biomass derived hierarchical porous carbon/cellulose nanofibers for sustainable flexible supercapacitors

Contact Info

Product

Resources

About

RuO₂/Cysteine Nanocomposites for High‐Performance Supercapacitors

RuO₂/Cysteine Nanocomposites for High‐Performance Supercapacitors