Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Yanwei Ma"'
Publikováno v:
IEEE transactions on applied superconductivity, Vol. 31, No 5 (2021) P. 7300105
This work reports the longitudinal thermal conductivity, κ, of Ag- and Cu/Ag-sheathed Ba 1-x K x Fe 2 As 2 conductors. Our investigation has been carried out between 4 K and 80 K with magnetic fields up to 19 T. In the case of Ag-sheathed tapes, the
Autor:
Dongliang Wang, Xianping Zhang, Yanwei Ma, Yanchang Zhu, Satoshi Awaji, Chao Yao, Fang Liu, Huajun Liu
Publikováno v:
IEEE Transactions on Applied Superconductivity. 29:1-5
Monofilament MgB2/Fe wires were fabricated by using internal Mg diffusion (IMD) process with ball milled crystalline boron powder. In this paper, the effect of C doping level and the ratio of Mg to B on these IMD-processed MgB2 wires were investigate
Publikováno v:
IEEE Transactions on Applied Superconductivity. 27:1-5
High-performance Fe–Se–Te (FST) films are favorable for revealing the relationships between the crystal structure and the superconducting properties of the material because of their simple structures. Therefore, it is particularly important to pr
Autor:
Kevin Huang, Yanwei Ma, Xiong Zhang, Nansheng Xu, Xinfang Jin, Kai Wang, Xianzhong Sun, Feifei Zhao
Publikováno v:
Electrochimica Acta. 236:443-450
Pre-lithiation is a method that has been demonstrated to avoid the sudden cell voltage drop/rise during the charge/discharge in Li 4 Ti 5 O 12 (LTO) anode and to compensate the energy loss of the first cycle resulting from the high initial potential
Publikováno v:
Electrochimica Acta. 184:347-355
The electrochemical properties of porous carbons used as supercapacitor electrodes are largely determined by the pore size and its distribution. Here, we report that high–mesopore–volume nanocarbons (HMC) produced by one–step sintering process
Publikováno v:
Materials Research Bulletin. 71:111-115
Birnessite-type MnO2 nanoparticles have been successfully synthesized by the microwave-assisted reflux as short as 5 min. The microstructure and morphology of the products were characterized by X-ray diffraction, N2 adsorption–desorption isotherms,
Autor:
Roger P. Webb, Mudassar Nazir, P Papakonstantinou, Zhongtang Xu, Nianhua Peng, Naheed Akhtar, Dongning Zheng, Yanwei Ma
Publikováno v:
Superconductor Science and Technology. 33:075012
Autor:
Jingyuan Yin, Kai Wang, Zhang Xiaohu, Yanwei Ma, Qunhai Huo, Linbin Geng, Yabin An, Xianzhong Sun, Tongzhen Wei, Xiong Zhang
Publikováno v:
Journal of Electroanalytical Chemistry. 850:113386
Lithium-ion capacitors (LICs) are asymmetric electrochemical supercapacitors combining the advantages of high power density and long cycle life of electrical double-layer capacitor (EDLC), and high energy density of lithium-ion battery. A three-elect
Publikováno v:
Journal of Solid State Electrochemistry. 19:2501-2506
Li-ion hybrid capacitor (LIC) is a type of energy storage device that bridge the gap between Li-ion battery and electrical double-layer capacitor. In the present work, LICs are assembled with activated carbon-based cathode and pre-lithiated hard carb
Publikováno v:
Electrochimica Acta. 89:523-529
In this work, a rapid hydrothermal method has been developed to synthesize hierarchical porous nanostructures assembled from ultrathin birnessite-type MnO 2 nanosheets without using any template and surfactant. The microstructure, morphology, and the