Zobrazeno 1 - 10
of 71
pro vyhledávání: '"Xue Guo"'
Publikováno v:
Journal of the European Ceramic Society. 41:6393-6405
The electromagnetic waves (EMW) absorption properties of SiOC ceramics synthesized by polymer-derived method were investigated, and additive manufacturing was employed to obtain the integration of structure and functions. The presence of free carbon
Publikováno v:
Ceramics International. 47:19582-19594
The SiCN(Fe) fibers with excellent one-dimensional microstructure and electromagnetic wave (EMW) absorption performance were synthesized by combining polymer-derived ceramics (PDCs) method and electrospinning. The in-situ generation of Fe3Si and CNTs
Autor:
Wang Zhenwei, Fangyong Yu, Guochang Li, Xue Guo, Jiao Li, Haibin Sun, Qiangqiang Hu, Zanzhong Yang
Publikováno v:
International Journal of Hydrogen Energy. 46:22932-22941
Aiming to lower the activation energy and expedite the oxygen reduction reaction (ORR) process of La0.6Sr0.4Co0.2Fe0.8O3-δ (LSCF) cathodes for application in intermediate-temperature solid oxide fuel cells (IT-SOFCs), Er0.4Bi1.6O3 (ESB) modified LSC
Publikováno v:
Ceramics International. 47:3842-3852
The Fe/C/SiCN composite ceramics were synthesized by polymer-derived method to obtain the integration of structure and functions. The electromagnetic waves (EMW) absorption properties at X and Ku bands were investigated. The addition of nano-sized Fe
Autor:
Qiangqiang Hu, Wang Yishang, Xue Guo, Hao Ding, Jiao Li, Haibin Sun, Zanzhong Yang, Fangyong Yu, Guochang Li, Chengfeng Li
Publikováno v:
International Journal of Hydrogen Energy. 46:7515-7527
Ce0.8Sm0.1Bi0.1O2-δ-BaCe0.8Sm0.1Bi0.1O3-δ (BiSDC-BCSBi) composites are fabricated as novel electrolytes for intermediate-temperature solid oxide fuel cells (IT-SOFCs). Both dramatically enhanced sinterability and electrical performance are obtained
Publikováno v:
Ceramics International. 47:1184-1190
Electrostatic spinning precursor fibers with presence of polysilazane and nano-Fe2O3 were herein derived by a thermally-induced polymerization at 1100 °C to prepare Fe-doped SiCN composite fibers. The phases and microstructures were characterized an
Publikováno v:
Ceramics International. 46:27634-27640
The PDCs-SiCN(Fe) ceramics with negative permeability and permittivity (double-negative properties) were synthesized by polymer-derived method with ferric acetylacetonate as additive. The phase composition, microstructure, carbon crystalline state an
Publikováno v:
International Journal of Hydrogen Energy. 45:27754-27763
Bi1-xSrxFeO3-δ (BSFO, x = 0, 0.1, 0.2, 0.3, 0.4) nanofibers were prepared by the electrospinning technology and evaluated as cathodes for intermediate temperature solid oxide fuel cells (IT-SOFCs). With the increase of Sr doping, the crystal structu
Publikováno v:
Light & Engineering. :9-24
The brightness perception of a large (41°) uniform visual field was investigated in a visual psychophysical experiment. Subjects assessed the brightness of 20 light source spectra of different chromaticities at two luminance levels, Lv=267.6 cd/m2 a
Publikováno v:
Ionics. 27:97-105
A new kind of nitrogen–phosphorus co-doped porous carbon (NPPC) material was prepared by using ionic liquids as a dual functional agent and KCl and ZnCl2 as a salt template. Scanning electron microscopy and transmission electron microscopy images d