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Construction of the NaTi2(PO4)3/C electrode with a one-dimensional porous hybrid structure as an advanced anode for sodium-ion batteries

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Abstract

The inferior electronic conductivity of NASICON materials leads to poor cyclability and rate capability, which severely inhibits their extensive development. Therefore, we have developed a one-dimensional (1D) hybrid electrode material that combines small NaTi2(PO4)3 nanoparticles (5–50 nm) with a porous carbon matrix using a controllable sol–gel strategy. This unique design enables the electrode to possess good structural stability, superior charge transfer kinetics, and low polarization. The intimate combination between the nanoparticles and the porous carbon matrix can effectively facilitate Na+/e transfer and accommodate volume variation during cycling. The construction of the new structure presented in this work will extend the applications of the NaTi2(PO4)3 system. Furthermore, the formed hybrid structure has potential to be a universal model for various electrode materials.

Graphical abstract: Construction of the NaTi2(PO4)3/C electrode with a one-dimensional porous hybrid structure as an advanced anode for sodium-ion batteries

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Article information


Submitted
14 Feb 2020
Accepted
10 Mar 2020
First published
25 Mar 2020

Dalton Trans., 2020, Advance Article
Article type
Communication

Construction of the NaTi2(PO4)3/C electrode with a one-dimensional porous hybrid structure as an advanced anode for sodium-ion batteries

Y. Tang, L. Liu, Y. Zhang, J. Xie, Y. Gao, X. Zeng and Y. Zhang, Dalton Trans., 2020, Advance Article , DOI: 10.1039/D0DT00548G

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