Synthesis of porous carbon-coated NaTi2(PO4)3 nanocubes with a high-yield and superior rate properties. Issue 47 (22nd November 2018)

• Record Type: Journal Article
• Authors: Hu, Qiao; Liao, Jia-Ying; Li, Chun-Tong; He, Xiao-Dong; Ding, Xiang; Chen, Chun-Hua
• Is Part Of: Journal of materials chemistry. Volume 6:Issue 47(2018)
• Page Start: 24503
• Page End: 24508
• Publication Date: 2018-11-22
• Subjects: Materials -- Research -- Periodicals; Chemistry, Analytic -- Periodicals; Environmental sciences -- Research -- Periodicals; 543.0284
• DOI: 10.1039/c8ta10182e
• Languages: English
• ISSNs: 2050-7488

Abstract

Abstract : Nanosized porous carbon-coated NaTi2 (PO4 )3 (NTP) particles with a high yield (more than 95%) and superior rate properties are synthesized by a reflux method in ethylene glycol (EG). Abstract : Nanosized porous carbon-coated NaTi2 (PO4 )3 (NTP) particles with a high yield (more than 95%) and superior rate properties are synthesized by a reflux method in ethylene glycol (EG). We report the controllable synthesis of three novel NTP nanocubes. The as-synthesized NTP-EG shows excellent high-rate performances with charge capacities of 99.8 and 96.1 mA h g −1 at 30C and 50C. After 1000 cycles at 5C, the reversible capacity of NTP-EG can still reach 101.7 mA h g −1 with a capacity retention of 94.2%. These superb electrochemical performances can be attributed to both the unique nano-architecture and the suitable carbon layers. Their structures and morphologies are analyzed by X-ray diffraction, scanning/transmission electron microscopy, Raman spectroscopy and N2 adsorption/desorption measurements. Such a low-cost, high-yield and environment friendly synthesis strategy may be extended to other electrode materials.