Mesoporous and microporous carbons from one-pot hydrothermal products for supercapacitor electrodes: effects of porous structures and surface functionality

Wang, Siwen; Geng, Zhongxing; Sun, Wei

doi:10.1039/d3nj04086k

New J. Chem.

2023

DOI: 10.1039/d3nj04086k

|View full text |Cite

Mesoporous and microporous carbons from one-pot hydrothermal products for supercapacitor electrodes: effects of porous structures and surface functionality

Siwen Wang,

Zhongxing Geng,

Wei Sun

Abstract: Mesoporous carbons were prepared from carbon dots via physical activation. Mesoporous carbons exhibit higher Cg than high-surface-area microporous carbons, and the efficiency of the surface area for mesopores is much higher than for micropores.

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...

Citation Types

Supporting

Mentioning

Contrasting

Year Published

2024

Publication Types

Select...

Article2

Relationship

Self Cite0

Independent2

Authors

Journals

Cited by 2 publications

References 45 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

Compression‐Assisted Improvement of Electrochemical Performances of Carbon Nanotube in Symmetric Supercapacitors

Sun,

Ding,

Jiao

et al. 2024

Energy Tech

View full text Add to dashboard Cite

The unique geometry of carbon nanotubes (CNTs) contributes to their excellent rate capability when used as electrode materials for supercapacitors (SCs). However, the practical application of low‐cost commercial CNTs is limited by their moderate specific capacitance due to the relatively low surface area which is around 220 m2 g−1. This limitation can be addressed by applying proper compressive stress to the CNTs, resulting in improved capacitance. The effects of compression on capacitance vary depending on the length and inner diameter of the CNTs, which have been systematically investigated. It has been found that longer and narrower CNTs exhibit more significant improvements in capacitance due to compression. Specifically, under 12 MPa, there is an ≈135% increase in specific capacitance compared to that under 1 MPa, with the optimum value of 68.2 F g−1 at 1 A g−1. An excellent rate capability of 93.5% at 40 A g−1 is also obtained by compression. Furthermore, when an light emitting diode light is powered by a compressed CNT‐based SC, both brightness and lasting time are dramatically enhanced compared to the case without compression. This cost‐efficient strategy for improving the energy storage performance of CNTs may facilitate their practical application as electrode materials for ultrafast supercapacitors.

show abstract

Compression‐Assisted Improvement of Electrochemical Performances of Carbon Nanotube in Symmetric Supercapacitors

Sun,

Ding,

Jiao

et al. 2024

Energy Tech

View full text Add to dashboard Cite

show abstract

Green synthesis of nitrogen and oxygen enriched porous carbon from lignite humate for high-performance supercapacitors

Wu,

Liu,

et al. 2024

Journal of Energy Storage

View full text Add to dashboard Cite

scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.

Contact Info

customersupport@researchsolutions.com

10624 S. Eastern Ave., Ste. A-614

Henderson, NV 89052, USA

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

Blog Terms and Conditions API Terms Privacy Policy Contact Cookie Preferences Do Not Sell or Share My Personal Information

Made with 💙 for researchers

Part of the Research Solutions Family.

Mesoporous and microporous carbons from one-pot hydrothermal products for supercapacitor electrodes: effects of porous structures and surface functionality

Abstract: Mesoporous carbons were prepared from carbon dots via physical activation. Mesoporous carbons exhibit higher Cg than high-surface-area microporous carbons, and the efficiency of the surface area for mesopores is much higher than for micropores.

Cited by 2 publications

References 45 publications

Compression‐Assisted Improvement of Electrochemical Performances of Carbon Nanotube in Symmetric Supercapacitors

Compression‐Assisted Improvement of Electrochemical Performances of Carbon Nanotube in Symmetric Supercapacitors

Green synthesis of nitrogen and oxygen enriched porous carbon from lignite humate for high-performance supercapacitors

Contact Info

Product

Resources

About