摘要:
(1) A niobium monoxide powder for capacitors, which is represented by the formula: NbOx (xnull0.8 to 1.2), may contain from 50 to 200,000 ppm of other element, and has a tapping density of 0.5 to 2.5 g/ml, an average particle size of 10 to 1,000 nullm, an angle of repose of 10 to 60null, a BET specific surface area of 0.5 to 40 m2/g and a plurality of pore diameter peak tops in the pore distribution, and a production method thereof; (2) a niobium monoxide sintered body obtained by sintering the niobium monoxide powder, which has a plurality of pore diameter peak tops in the range from 0.01 to 500 nullm, wherein preferably, out of the plurality of pore diameter peak tops, peak tops of two peaks having a highest relative intensity are present in the range from 0.2 to 0.7 nullm and in the range from 0.7 to 3 nullm, respectively, and the peak top of the peak having a highest relative intensity is present in the larger diameter side than the peak top of the peak having a next highest relative intensity, and a production method thereof; (3) a capacitor using the sintered body, and a production method thereof; and (4) an electronic circuit and an electronic instrument each using the capacitor.
摘要:
Provided are a composite ceramic member and a method for preparation thereof, a vaporization assembly, and an electronic cigarette. The composite ceramic member comprises a first ceramic layer, a second ceramic layer, and a third ceramic layer stacked in sequence; in the first ceramic layer, the second ceramic layer, and the third ceramic layer, the first ceramic layer has the smallest pore size and the highest thermal conductivity, the second ceramic layer has the largest porosity, and the third ceramic layer has the highest compressive strength.
摘要:
Anti-ballistic armor element, comprising a ceramic body comprising a sintered material consisting of ceramic grains with a Vickers hardness of more than 5 GPa, the total pore volume of said material being between 0.5 and 10%, said ceramic body being characterized in that the cumulative volume of pores with a diameter of between 30 and 100 micrometers represents between 0.2 and 2.5% of the volume of said material, the cumulative volume of pores with a diameter of more than 100 micrometers is less than 0.2% of the volume of said material , the remainder of said total pore volume consisting of pores whose diameter is less than 30 micrometers.
摘要:
Composites of silicon and various porous scaffold materials, such as carbon material comprising micro-, meso- and/or macropores, and methods for manufacturing the same are provided. The compositions find utility in various applications, including electrical energy storage electrodes and devices comprising the same.
摘要:
Disclosed are hierarchically porous carbon materials with a plurality of discreet nanoparticles dispersed on their carbon phase. The materials possess a continuous network of pores that spans the porous material, permitting the flow of fluids into and through the material. The porous materials can be used as heterogeneous catalysts.
摘要:
The present invention relates to a porous inorganic body comprising pores A having a pore size SA in the range of from 0.005 to 20 micrometer and a total pore volume VA, and comprising pores B having a pore size SB in the range of from more than 20 to 1000 micrometer and a total pore volume VB, wherein the total pore volume of the pores having a pore size in the range of from 0.005 to 1000 micrometer is VC and wherein the ratio RA=VA/VC is in the range of from 0.3 to 0.7 as determined via mercury intrusion porosimetry.
摘要翻译:本发明涉及一种多孔无机体,其包含孔尺寸SA在0.005至20微米范围内的孔A和总孔体积VA,并且包含孔径SB在大于20的范围内的孔B 至1000微米和总孔体积VB,其中孔径在0.005至1000微米范围内的孔的总孔体积为VC,其中RA = VA / VC的比率在0.3至 0.7通过汞侵入孔隙率法测定。
摘要:
In one aspect, methods of storing one or more combustion waste products are described herein. Combustion waste products stored by a method described herein can include solid combustion waste products such as coal ash and/or gaseous combustion products such as carbon dioxide. In some embodiments, a method of storing carbon dioxide comprises providing a carbon dioxide storage medium comprising porous concrete having a macroporous and microporous pore structure and flowing carbon dioxide captured from a combustion flue gas source into the pore structure of the porous concrete.
摘要:
Disclosed are hierarchically porous carbon materials with a plurality of discreet nanoparticles dispersed on their carbon phase. The materials possess a continuous network of pores that spans the porous material, permitting the flow of fluids into and through the material. The porous materials can be used as heterogeneous catalysts.
摘要:
The invention relates to a substrate material, which is highly porous and which is provided with a mechanically stable, component-penetrating framework structure made of alpha-Al2O3, to methods for producing the substrate material, and to the use of the substrate material.
摘要:
The present invention describes a hierarchical graphitized carbon foam comprising an interconnected macroporous structure with an ordered mesoporous wall structure, a process for its preparation, as well as to a process for the synthesis of a variety of bimodal porous organic polymer and/or inorganic metal oxide materials