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Facile construction of nanoscale laminated Na3V2(PO4)(3) for a high-performance sodium ion battery cathode
Zheng, Qiong1; Liu, Wanqiu1,3; Li, Xianfeng1,2; Zhang, Hongzhang1,2; Feng, Kai1; Zhang, Huamin1,2
刊名JOURNAL OF MATERIALS CHEMISTRY A
2016
DOI10.1039/c6ta07109k
4期:48页:19170-19178
收录类别SCI
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
类目[WOS]Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
研究领域[WOS]Chemistry ; Energy & Fuels ; Materials Science
关键词[WOS]CARBON-COATED NA3V2(PO4)(3) ; RECHARGEABLE BATTERY ; ELECTRODE MATERIAL ; CYCLING STABILITY ; ENERGY-STORAGE ; NA ; NAFEPO4 ; UNIFORM ; MATRIX
英文摘要A novel facile construction of nanoscale laminated Na3V2(PO4)(3) for a high-performance sodium ion battery (SIB) cathode is proposed. In the synthesis process, a crystallized intermediate precursor with low-cost raw materials is prepared by introducing a high temperature molten-state NH3 thermal-reduction process, which acts as a reaction template to control the crystal growth and the final morphology of Na3V2(PO4)(3). The assynthesized nanoscale laminated Na3V2(PO4)(3) possesses continuous Na+/electron pathways, large electrode/electrolyte contact area and sufficient carbon coating, resulting in fast Na+ extraction/insertion and electron transport during the electrochemical reaction process, which is shown to achieve excellent rate capability and decent cycling stability. At a low rate of 0.5C, the discharge specific capacity is approximately 117 mA h g(-1), which is very close to its theoretical specific capacity, and there is only a very minor capacity fade after continuous 250 cycles at 2C. Even at 50C, the discharge specific capacity is as high as 80 mA h g(-1) and the reversible capacity retention after 3000 cycles remains more than 78%. In addition, the X-NVP cathode shows stable cycling performance and acceptable rate performance with a reversible capacity of 110 mA h g(-1) at 0.2C at a low temperature of -20 degrees C, which has rarely been reported previously in the SIB field. The intermediate precursor prepared by the high temperature moltenstate thermal-reduction method, acting as the reaction template of the final product, provides a facile and economic solution for the synthesis of high-performance SIB cathode materials.
语种英语
WOS记录号WOS:000390433700059
引用统计
被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/151844
专题中国科学院大连化学物理研究所
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Zhongshan Rd 457, Dalian 116023, Peoples R China
2.Collaborat Innovat Ctr Chem Energy Mat iChEM, Dalian 116023, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100039, Peoples R China
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Zheng, Qiong,Liu, Wanqiu,Li, Xianfeng,et al. Facile construction of nanoscale laminated Na3V2(PO4)(3) for a high-performance sodium ion battery cathode[J]. JOURNAL OF MATERIALS CHEMISTRY A,2016,4(48):19170-19178.
APA Zheng, Qiong,Liu, Wanqiu,Li, Xianfeng,Zhang, Hongzhang,Feng, Kai,&Zhang, Huamin.(2016).Facile construction of nanoscale laminated Na3V2(PO4)(3) for a high-performance sodium ion battery cathode.JOURNAL OF MATERIALS CHEMISTRY A,4(48),19170-19178.
MLA Zheng, Qiong,et al."Facile construction of nanoscale laminated Na3V2(PO4)(3) for a high-performance sodium ion battery cathode".JOURNAL OF MATERIALS CHEMISTRY A 4.48(2016):19170-19178.
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