Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Jian Qiu Deng"'
Autor:
Luo-Yang Li, Feng-Bin Huang, Jing Deng, Peng Liu, Feng Wang, Qing-Rong Yao, Zhong-Min Wang, Huai-Ying Zhou, Jian-Qiu Deng
Publikováno v:
Rare Metals. 41:1512-1519
Publikováno v:
Metals, Vol 7, Iss 1, p 9 (2016)
NaMgH3 perovskite hydride and NaMgH3–carbon nanomaterials (NH-CM) composites were prepared via the reactive ball-milling method. To investigate the catalytic effect of CM on the dehydriding kinetic properties of NaMgH3 hydride, multiwall carbon nan
Externí odkaz:
https://doaj.org/article/5e22e56df7484e0788ba32fdea7968c5
Autor:
Chang Cheng Fang, Jian Qiu Deng, Zhongmin Wang, Qing Rong Yao, Huai Ying Zhou, Yong Qiang Xu, Guang Hui Rao
Publikováno v:
Materials Science Forum. 914:73-79
To understand the phase composition and improve the magnetic performances of Ce2Fe14B-type alloys, the ribbons of Ce16Fe95-xCoxB8(x=0-4.0) were prepared by melt-spinning at a quench wheel velocity of 40 m/s. The phase composition and magnetic propert
Publikováno v:
Key Engineering Materials. 727:738-743
Spherical Li3V2(PO4)3/C cathode materials have been successfully synthesized by a spray drying method. The structure and morphology of the cathode materials are characterized with X-ray diffraction (XRD), scanning electron microscopy (SEM) and thermo
Publikováno v:
Key Engineering Materials. 727:403-409
Effect of Na doping on the structural and magnetic properties of La1-xNaxCoO3 (0≤x≤0.4) nanopowder samples synthesized by sol-gel method have been investigated. Rietveld crystal structure refinement of the X-ray diffraction data shows that La1−
Autor:
Yan Zhong, Zhongmin Wang, Chaohao Hu, Huaiying Zhou, Dianhui Wang, Zhenzhen Wan, Jian-qiu Deng
Publikováno v:
Chinese Journal of Chemical Physics. 29:545-548
First-principles calculations based on density functional theory were performed to study the effect of alloying on the thermodynamic stability of MgH2 hydride (rutile and fluorite structures) with transitional metals (TM=Sc, Ti, Y) and group IIA elem
Improved Dehydriding Properties of NaMgH3 Perovskite Hydride by Addition of Graphitic Carbon Nitride
Publikováno v:
Materials Science Forum. 852:502-508
NaMgH3 perovskite hydride and graphitic carbon nitride (g-C3N4) powder with multi-layer structure have been synthesized by high-energy ball-milling and heating-decomposition method respectively. In comparison with pristine NaMgH3 hydride, the as–mi
Publikováno v:
Materials Science Forum. 852:199-204
The effect of temperature on the structural evolution and physical properties of nanocrystalline BiFeO3 compound has been studied systematically. The results show that the compound crystallizes in the hexagonal LiNbO3 type-structure (space group R3c)
Autor:
Zhongmin Wang, Guang Hui Rao, Huai Ying Zhou, Tian Chen, Ren Cheng Shen, Jian Qiu Deng, Qing Rong Yao, Jin Pan
Publikováno v:
Materials Science Forum. 852:894-900
The Sn–Cu nanocomposites composing of Sn, Cu6Sn5, Cu3Sn and SnO2 are synthesized by a facile precipitation method. Their morphologies and structures are characterized using X-ray diffraction (XRD) technique, scanning electron microscopy (SEM), tran
Publikováno v:
Materials Science Forum. 814:113-117
The perovskite-type oxides have a newly application for alkaline batteries due to the excellent cyclic performance. In this work, La1-xBaxCoO3(x= 0.2, 0.4, 0.6) powders were prepared by a sol-gel method as negative electrode materials for Ni/MH batte