Applied and Computational Engineering

- The Open Access Proceedings Series for Conferences


Proceedings of the 4th International Conference on Materials Chemistry and Environmental Engineering

Series Vol. 63 , 09 May 2024


Open Access | Article

Hierarchical porous carbon with abundant N/O doping as an anode for zinc ion hybrid supercapacitors

Yuchen Li 1 , Shun Yang 2 , Penghao Chai 3 , Jianghuan Li 4 , Qiulong Guan 5 , Lixia Bao 6 , Jiong Pen 7 , Wensheng Deng 8 , Xin Li * 9
1 Beijing Institute of Technology
2 Beijing Institute of Technology
3 Beijing Institute of Technology
4 Beijing Institute of Technology
5 Beijing Institute of Technology
6 Beijing Institute of Technology
7 Beijing Institute of Technology
8 Beijing Institute of Technology
9 Beijing Institute of Technology

* Author to whom correspondence should be addressed.

Applied and Computational Engineering, Vol. 63, 122-130
Published 09 May 2024. © 09 May 2024 The Author(s). Published by EWA Publishing
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Citation Yuchen Li, Shun Yang, Penghao Chai, Jianghuan Li, Qiulong Guan, Lixia Bao, Jiong Pen, Wensheng Deng, Xin Li. Hierarchical porous carbon with abundant N/O doping as an anode for zinc ion hybrid supercapacitors . ACE (2024) Vol. 63: 122-130. DOI: 10.54254/2755-2721/63/20241005.

Abstract

Aqueous zinc-ion hybrid supercapacitors (ZISCs) known for their affordability, stability, and high energy density represent innovative energy storage devices. Porous carbon is usually used as the cathode material of ZISCs, and its structure significantly affects the dual performance of high power density and energy density of ZISCs. Herein, a one-pot carbonization strategy is proposed, eliminating the need for templates, additional heteroatom compounds, and activation processes. By precisely controlling the temperature to optimize the structure and electrochemical performance of carbon materials, we successfully synthesized hierarchical porous carbon materials (NOPC-800) with a high specific surface area of 1545.7 m²g⁻¹, featuring dual doping of 12.3 at% nitrogen and 13.35 at% oxygen. The self-doping of abundant nitrogen and oxygen atoms facilitates the chemical adsorption of ions and accelerates pseudocapacitive reaction kinetics. Leveraging these advantages, ZISCs were assembled using NOPC-800 as the positive electrode and zinc as the negative electrode, showcasing remarkable performance: a specific capacity of up to 121.9 mAh g⁻¹, an energy density of 97.5 Wh kg⁻¹, and a power density of up to 16000 W kg⁻¹. Remarkably, NOPC-800 maintained an excellent capacity retention of 94.9% after 10,000 cycles at a current density of 10 A g⁻¹. This research paves an innovative and feasible path for the design and advancement of novel heteroatom-rich carbon cathodes.

Keywords

Zinc-ion hybrid supercapacitors, carbon material, rich N/O-doping, hierarchical porous structure

References

1. Liu Y, Wu L 2023 Nano Energy 109 108290.

2. Ganfoud N, Sene A, Haefele M, Marin-Laflèche A, Daffos B, Taberna P. L and Rotenberg B 2019 Energy Storage Mater. 21 190-195.

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Data Availability

The datasets used and/or analyzed during the current study will be available from the authors upon reasonable request.

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Volume Title
Proceedings of the 4th International Conference on Materials Chemistry and Environmental Engineering
ISBN (Print)
978-1-83558-417-0
ISBN (Online)
978-1-83558-418-7
Published Date
09 May 2024
Series
Applied and Computational Engineering
ISSN (Print)
2755-2721
ISSN (Online)
2755-273X
DOI
10.54254/2755-2721/63/20241005
Copyright
09 May 2024
Open Access
This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited

Copyright © 2023 EWA Publishing. Unless Otherwise Stated