Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Meng, Guangyao"'
Publikováno v:
Ceramics International. 30:1049-1053
The preparation of high-quality yttria-stabilized zirconia (YSZ) electrolyte films on porous substrates is critical to the fabrication of high-performance solid-state ionic devices such as solid oxide fuel cells (SOFCs) and gas sensors. In this paper
Publikováno v:
Materials Research Bulletin. 36:1587-1594
SrFeCo 0.5 O 3.25+δ powders have been successfully synthesized from SrCO 3 , 2CoCO 3 ·3Co(OH) 2 ·xH 2 O and Fe 2 O 3 based on using the principle of gelcasting. Thermal decomposition of the gelcasting powder was analyzed by differential thermal an
Publikováno v:
Colloids and Surfaces A: Physicochemical and Engineering Aspects. 179:229-235
Although a lot of work has been done on electroless nickel coating, work on preparing asymmetric nickel membranes on porous ceramic supports is rarely reported. In this work, microfiltration nickel membranes are prepared on porous alumina supports wi
Publikováno v:
Sensors and Actuators B: Chemical. 65:64-67
This paper reports the preparation and gas sensitivity properties of Zn 1− x Cd x Fe 2 O 4 to C 2 H 2 OH. Raw powders of Zn 1− x Cd x Fe 2 O 4 were obtained by a chemical co-precipitation and solid-state reaction method. The effects of the calcin
Publikováno v:
Materials Science and Engineering: B. 64:60-63
The catalytic effect of SmInO 3 , on the conduction and gas-sensing properties of CdIn 2 O 4 was investigated. The results demonstrated that SmInO 3 increases the electrical impedance and improves the sensitivity and selectivity of CdIn 2 O 4 materia
Publikováno v:
Journal of Membrane Science. 162:181-188
Yttria stabilized zirconia (YSZ) polymeric sols were synthesized by controlled hydrolysis and condensation of zirconium tetra- n -propoxide. Yttrium nitrate was added before hydrolysis as the source of yttria. Acetylacetone was used as chelating liga
Publikováno v:
Sensors and Actuators B: Chemical. 55:19-22
This paper reports the preparation and gas-sensing properties of ZnFe 2 O 4 . Raw powders of ZnFe 2 O 4 were obtained by chemical coprecipitation. Effects of the calcining temperature on the phase constituents and microstructure are characterized by
Publikováno v:
Journal of Membrane Science. 116:9-16
A two layer ultrafiltration alumina membrane was prepared by a sol-gel process using boehmite sol as precursor. The sol was prepared by hydrolysation of aluminium tri-sec-butoxide. Sol properties, such as viscosity as a function of concentration and
Publikováno v:
Sensors and Actuators B: Chemical. 31:209-212
A galvanic-cell-type SO x ( x = 2,3) gas sensor with Ag-s″-Al 2 O 3 solid electrolyte, porous Pt as working electrode and Ag as reference electrode has been constructed and tested. The electromotive force (e.m.f.) responses are in good agreement wi
Publikováno v:
Sensors and Actuators B: Chemical. 17:1-5
A.c. complex impedance measurement has been used in a mixed system of tin oxide and iron oxide in an attempt to obtain more information about the gas-sensitive mechanism of semiconducting metallic oxide gas sensors. The impedance spectra in air, liqu