Next Article in Journal
Optimization of the Split-Spinach Aptamer for Monitoring Nanoparticle Assembly Involving Multiple Contiguous RNAs
Previous Article in Journal
A Facile Method for Batch Preparation of Electrochemically Reduced Graphene Oxide
Article Menu
Issue 3 (March) cover image

Export Article

Open AccessArticle

Phosphate Ion-Modified RuO2/Ti3C2 Composite as a High-Performance Supercapacitor Material

1,2,3, 4 and 1,3,4,*
1
Key Laboratory of Marine Environmental Corrosion and Bio-Fouling, Institute of Oceanology, Chinese Academy of Sciences, 7 Nanhai Road, Qingdao 266071, China
2
University of Chinese Academy of Science, Beijing 100049, China
3
Qingdao National Laboratory for Marine Science and Technology, Wenhai Road, Aoshanwei, Jimo, Qingdao 266237, China
4
School of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, China
*
Author to whom correspondence should be addressed.
Nanomaterials 2019, 9(3), 377; https://doi.org/10.3390/nano9030377
Received: 30 January 2019 / Revised: 27 February 2019 / Accepted: 27 February 2019 / Published: 5 March 2019
  |  
PDF [3490 KB, uploaded 5 March 2019]
  |  

Abstract

Pseudocapitor materials, usually metal oxides, are used as active materials in an electrode to achieve high energy density. However, these kinds of materials often suffer from poor conductivity and high cost. Herein, a phosphate ion-modified RuO2/Ti3C2 composite is prepared via a chemical solution synthesis followed by an annealing process. In this composite material, Ti3C2 layers are introduced to improve the conductivity and the binary material is doped with phosphate ions into to increase the number of active reaction sites. As a result, the phosphate ion-modified RuO2/Ti3C2 delivers a high specific capacitance of 612.72 F g−1 at a current density of 2 A g−1 in H2SO4 electrolyte. What is more, the capacitance of the phosphate ion-modified RuO2/Ti3C2 can retain 97.95% (600.14 F g−1) of the original value even after 10,000 cycles at a current density of 2 A g−1. View Full-Text
Keywords: supercapacitors; RuO2/Ti3C2 composite; phosphate ion modification supercapacitors; RuO2/Ti3C2 composite; phosphate ion modification
Figures

Figure 1

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).
SciFeed

Share & Cite This Article

MDPI and ACS Style

Zhao, J.; Liu, F.; Li, W. Phosphate Ion-Modified RuO2/Ti3C2 Composite as a High-Performance Supercapacitor Material. Nanomaterials 2019, 9, 377.

Show more citation formats Show less citations formats

Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Related Articles

Article Metrics

Article Access Statistics

1

Comments

[Return to top]
Nanomaterials EISSN 2079-4991 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
Back to Top