New Phosphate-based Electrode Material for High Performance Sodium-Ion Batteries

被引：0
|
作者：
Chari, A. [1 ,2 ]
Dahbi, M. [1 ]
El Ouardi, K. [1 ,2 ]
Orayech, B. [3 ]
El Bouari, A. [2 ]
Saadoune, I. [1 ,4 ]
机构：
[1] Mohammed VI Polytech Univ, Mat Sci & Nanoengn Dept, Ben Guerir, Morocco
[2] Hassan II Univ Casablanca, Fac Ben Msik, Lab Phys Chem Appl Mat Sci, Casablanca, Morocco
[3] MEXAM Corp Holding, Technol Ctr Energet Mat, Carretera N-623 Km 28, Burgos 09141, Spain
[4] Univ Cadi Ayyad, FST Marrakesh, Ave A Khattabi,BP 549, Marrakech 40000, Morocco
来源：
PROCEEDINGS OF 2019 7TH INTERNATIONAL RENEWABLE AND SUSTAINABLE ENERGY CONFERENCE (IRSEC) | 2019年
关键词：
Sodium-ion batteries (NIBs); NaSICON; Cathode; Phosphate; Energy Storage; CONDUCTIVITY; CATHODE;
D O I：
10.1109/irsec48032.2019.9078213
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A new Nasicon-type phosphate Na3ZrCo(PO4)(3) is successfully synthesized using a sol-gel method In this study, we investigate the synthesis, structural and electrochemical properties of this 3D phosphate. The Rietveld refinement of the XRD pattern showed that at room temperature, the material exhibits a hexagonal symmetry with the space group (R-3) and the cell parameters a = 8.931(3) angstrom; c = 22.310(1) angstrom. The structure of Na3ZrCo(PO4)(3) consists of edge sharing [MO6] octahedra (M = Zr, Co) resulting in chains parallel to [-101]. These chains are linked together via the [PO4] tetrahedra to form two distinct tunnels in which sodium cations are located The synthesized Na3ZrCo(PO4)(3) were tested in sodium half-cell An initial discharge capacity of 120 mAhg(-1) at C/20 for the first cycle and good capacity retention at high rates were obtained.
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收藏
页码：746 / 749
页数：4
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