DataVXChemNanoMatPaper
journal article·2016-07

One‐Dimensional Na3V2(PO4)3/C Nanowires as Cathode Materials for Long‐Life and High Rate Na‐Ion Batteries

Yu Jiang, Yu Yao, Jinan Shi, Linchao Zeng, Lin Gu, Yan Yu

ChemNanoMat· Volume 2· Issue 7
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Source abstract

Abstract

Abstract The material Na3V2(PO4)3 (denoted as NVP) has attracted ubiquitous attention as a promising cathode material for sodium ion batteries (NIBs) because it has a fast Na+ transportable NASICON framework. However, the major challenge for the wide application of NVP in NIBs is the poor intrinsic electric conductivity that results in poor electrochemical performance. In this work, nanosized electrochemically active carbon‐coated NVP nanoparticles embedded in 1D porous carbon nanowires (NVP@C‐CNW) were designed and fabricated to improve the intrinsic electric conductivity. The 1D carbon nanowires easily percolate and enable fast electron/ion transport to the NVP particles, while also accommodating the volume variation during Na ion insertion and extraction. In addition, the porous structure facilitates easy electrolyte access, leading to improved fast charge performance. The NVP@C‐CNW exhibits superior rate performance (62.2 mA h g−1 at 60 C) and an ultralong cycle life (96.6 mA h g−1 after 1000 cycles at 1C), indicating its great potential for application as the cathode material in high‐performance NIBs.
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Research context

Energy storageNanomaterials

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Supercapacitor Materials and Fabrication

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

Affiliations

Key Laboratory of Materials for Energy Conversion Chinese Academy of Sciences (CAS) Department of Materials Science and Engineering University of Science and Technology of China Hefei Anhui 230026 China

Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) Nankai University Tianjin 300071 China

State Key Laboratory of Fire Science University of Science and Technology of China Hefei Anhui 230026 China

Beijing Laboratory for Electron Microscopy Institute of Physics Chinese Academy of Sciences (CAS) Beijing 100190 China

Collaborative Innovation Center of Quantum Matter Beijing 100190 China

Funding

National Natural Science Foundation of China · “Recruitment Program of Global Experts” · New Century Excellent Talents in University · Fundamental Research Funds for the Central Universities · Collaborative Innovation Center of Suzhou Nano Science and Technology

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