DataVXACS Applied Materials & InterfacesPaper
journal article·2021-06-02Open access

Carbon-Decorated Na3V2(PO4)3 as Ultralong Lifespan Cathodes for High-Energy-Density Symmetric Sodium-Ion Batteries

Qingbo Zhou, Linlin Wang, Wenyao Li, Suyuan Zeng, Kangning Zhao, Yujie Yang, Qian Wu, Minmin Liu, Qiu-an Huang, Jiujun Zhang, Xueliang Sun

ACS Applied Materials & Interfaces· Volume 13· Issue 21
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Source abstract

Abstract

In this work, several carbon-decorated Na3V2(PO4)3 materials (NVP@C-750/800/850) are successfully fabricated using a sol–gel approach and subsequent heat treatment. When NVP@C-800 is used as a cathode, it shows an ultralong cycle life (2000 cycles) at a high rate of 10C, which is superior to the other two electrodes and those of reported NVP@C cathodes in the literature. The excellent results of NVP@C-800 are attributed to its nanostructure and the well-defined conductive carbon layer. The symmetric sodium (Na)-ion battery (SIB) with NVP@C-800 as both a cathode and an anode shows a high capacity at 40 mA g–1 with a voltage plateau of about 1.79 V and energy density of 113 W h kg–1, revealing that NVP@C is of great application prospect.
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Research context

Energy storageNanomaterialsMaterials processing

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Engineering, Shanghai University of Engineering Science, Shanghai 201620, P. R. China

Institute for Sustainable Energy/College of Science, Shanghai University, 99 Shangda Road, Shanghai 200444, P. R. China

Department of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, P. R. China

Laboratory of Advanced Separations (LAS), École Polytechnique Fédérale de Lausanne (EPFL), Sion CH-1950, Switzerland

Department of Mechanical and Materials Engineering, University of Western Ontario, 1151 Richmond St, London, Ontario N6A 3K7, Canada

Funding

Science and Technology Commission of Shanghai Municipality · National Natural Science Foundation of China · Natural Science Foundation of Shandong Province · Belt and Road Initiatives International Cooperation Project

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