NDLI: Mn-doped Li$_{3}$V$_{2}$(PO$_{4}$)$_{3}$ nanocrystal with enhanced electrochemical properties based on aerosol synthesis method

Content Provider	Springer Nature Link
Author	Lai, Chunyan Chen, Zheng Zhou, Huihui Lu, Yunfeng Li, Hexing
Copyright Year	2015
Abstract	Mn-doped Li$_{3}$V$_{2−x }$Mn$_{ x }$(PO$_{4}$)$_{3}$ nanocrystals with enhanced electrochemical properties for lithium-ion batteries were synthesized by aerosol process successfully. The nanocrystals synthesized from aerosol-assisted spray process have an average particle size smaller than 500 nm, with some initial particle size of about 100 nm. The Mn-doped Li$_{3}$V$_{2}$(PO$_{4}$)$_{3}$ cathode materials show higher capacity and coulombic efficiency than pure Li$_{3}$V$_{2}$(PO$_{4}$)$_{3}$ materials. Especially, the Mn-doped Li$_{3}$V$_{1.94}$Mn$_{0.06}$(PO$_{4}$)$_{3}$ shows a capacity of 130 mAh/g in the voltage range of 3.0–4.4 V and a coulombic efficiency of 99.5 % at 1C. The results from XRD, SEM, HRTEM, and EIS suggested that lattice changes of Li$_{3}$V$_{2}$(PO$_{4}$)$_{3}$ due to Mn doping and the fine particles enabled by aerosol-assisted spray process can significantly reduce the charge-transfer resistance and improve the apparent Li$^{+}$ diffusion coefficient of insertion/desertion in the electrodes, which were the critical reason of better electrochemical performance of Mn-doped Li$_{3}$V$_{2}$(PO$_{4}$)$_{3}$ cathode materials.
Starting Page	3075
Ending Page	3082
Page Count	8
File Format	PDF
ISSN	00222461
Journal	Journal of Materials Science
Volume Number	50
Issue Number	8
e-ISSN	15734803
Language	English
Publisher	Springer US
Publisher Date	2015-02-03
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Materials Science Characterization and Evaluation of Materials Polymer Sciences Continuum Mechanics and Mechanics of Materials Crystallography Mechanics
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Mechanics of Materials Mechanical Engineering Polymers and Plastics

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