Progress and prospect for NASICON-type Na3V2(PO4)3 for electrochemical energy storage

Qiong Zheng; Hongming Yi; Xianfeng Li; Huamin Zhang

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Progress and prospect for NASICON-type Na3V2(PO4)3 for electrochemical energy storage

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Sodium-ion batteries (SIBs) have attracted increasing attention in the past decades,because of high overall abundance of precursors,their even geographical distribution,and low cost.Na3V2(PO4)3 (NVP),a typical sodium super ion conductor (NASICON)-based electrode material,exhibits pronounced structural stability,exceptionally high ion conductivity,rendering it a most promising electrode for sodium storage.However,the comparatively low electronic conductivity makes the theoretical capacity of NVP cannot be fully accessible even at comparatively low rates,presenting a major drawback for further practical applications,especially when high rate capability is especially important.Thus,many endeavors have been conformed to increase the surface and intrinsic electrical conductivity of NVP by coating the active materials with a conductive carbon layer,downsizing the NVP particles,combining the NVP particle with various carbon materials and ion doping strategy.In this review,to get a better understanding on the sodium storage in NVE we firstly present 4 distinct crystal structures in the temperature range of-30℃～225℃ namely α-NVP,β-NVP,β'-NVP and γ-NVR Moreover,we give an overview of recent approaches to enhance the surface electrical conductivity and intrinsic electrical conductivity of NVP.Finally,some potential applications of NVP such as in all-climate environment and PHEV,EV fields have been prospected.

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《天然气化学（英文版）》 |2018年第6期|1597-1617|共21页
作者
Qiong Zheng; Hongming Yi; Xianfeng Li; Huamin Zhang;
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Division of Energy Storage, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;

Division of Energy Storage, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;

University of Chinese Academy of Sciences, Beijing 100039, China;

Division of Energy Storage, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;

Collaborative Innovation Center of Chemistry for Energy Materials(iChEM), Dalian 116023, Liaoning, China;

Division of Energy Storage, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, Liaoning, China;

Collaborative Innovation Center of Chemistry for Energy Materials(iChEM), Dalian 116023, Liaoning, China;

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Progress and prospect for NASICON-type Na3V2(PO4)3 for electrochemical energy storage

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