阴极催化层厚度减小,可提高电池输出电压;
When the thickness of cathodic catalyst layer is decreased, the electrode potential is increase.
研究的区域包括阴极和阳极的流道、扩散层、催化层和质子交换膜。
The studied domain consists of fluid channels, diffusion layers and catalyst layers of anode and cathode, and membrane.
该双催化层阴极结构有利于氧气扩散和水的排出,提高了电池性能。
The double-layered structure was beneficial for oxygen diffusion and water removal, and thus improved the DMFC performance.
火焰燃料电池依次由阳极催化层、阳极层、固体电解质层和阴极层组成。
The flame fuel battery comprises anode catalyzing layer, anode layer, solid electrolyte layer and cathode layer.
研究的区域包括阳极和阴极的流道、扩散层和催化层以及质子交换膜在内的整个单电池。
The studied domain consists of flow channels, diffusion layers and catalyst layers of both the anode and cathode, and the membrane.
采用碳酸铵作为造孔剂,研究了阳极催化层孔结构对直接甲醇燃料电池(DMFC)性能的影响。
The effect of pore structure in the anode catalyst layer on the performance of direct methanol fuel cell(DMFC) was investigated using ammonium carbonate as a pore former.
将气相生长碳纤维(VGCF)加入到锌空气电池空气电极催化层中,通过热压成型制备三相气体扩散电极。
Vapor grown carbon fiber (VGCF) was mixed in the catalyst layer of the air electrode for zinc-air battery, prepared by hot-pressing method.
利用正交实验设计法优选出质子交换膜燃料电池(PEMFC)电极催化层制备的最佳条件,即制备亲水电极。
The optimal composition of catalyst layer in proton exchange membrane fuel cell (PEMFC) electrode was prepared through orthogonal method, which is called hydrophilic electrode.
首先,对MEA的制备及优化研究,主要从热压工艺参数、催化层组分优化、扩散层和质子交换膜的选择等方面考虑的。
First, Fabrication and optimization of MEA are studied in many aspects, for example hot press parameters, components of catalyst layer and diffusion layer, PEM thickness, etc.
这一新催化剂是IBM十年来研究的成果,寻找更好的方法来制胜用于计算机芯片绝缘层的聚合物。
The new catalysts are a result of a decade-long research project at IBM to develop better ways to make the polymers used as an insulating layer in computer chips.
氢氯氟化碳以替换破坏臭氧层物质的形式被引进进来,尽管氢氯氟化碳不会破坏臭氧层,但是它却是强有力的全球变暖催化剂,被当成“超级”温室气体。
Introduced as replacements for ozone depleting substances, HFCs do not damage the ozone layer but are potent global warming agents and considered 'super' greenhouse gases.
我觉得中国的领导层很明白必须改善环境。如果奥运会或者无论什么事件能成为一种催化剂,那何乐而不为呢。
'I think the leadership quite genuinely knows the environmental situation has to change -- and if it's the Olympics or whatever that is the catalyst, then so be it.'
异丁醇气体和空气混合后通过催化剂层的固定床反应器,使氧化反应和分子重排反应同时进行。
The oxidation and molecular recomposition proceeded in the same time, when the isobutanol gas and air passed the fixed bed catalytic reactor continuously.
该催化剂床层需要定期用热氮中稀释的氢气物流再生。
The catalyst bed requires periodic regeneration with a stream of hydrogen diluted in hot nitrogen.
结果表明,钯层柱粘土是一种低温下裂化活性高、芳烃饱和性能强、异构化性能好的加氢催化剂。
PdPM was used as a hydrocracking catalyst, which exhibited high activity of hydrocracking, strong aromatic saturation and good isomerization performances at lower temperature.
工业上用过的污染膜和滤饼层的组分分析表明,污染物主要是骨架镍催化剂。
The components of the cake and fouled membrane in the plant were analyzed. It indicated the pollutants were mainly composed of Raney nickel catalyst.
结果表明:缩短停留时间和高温处理使得构成纳米炭纤维催化生成的炭含量增加,碳层的结构接近石墨晶体的有序结构。
The result indicates that shortening of reaction time and graphitic treatment make catalytic carbon increasing and carbon layer incline to the order structure of graphitic crystalline.
通过对阳极扩散层和催化剂层的疏水处理,降低了阳极产生的CO2导致的催化活性比表面积损失,有效地提高了电池性能。
The decrease of active surface area in the anode caused by CO2 accumulation is reduced through treating the diffusion layer and catalyst layer with PTFE, resulting in increased DMFC performance.
本发明适合于作吸附剂、催化剂载体、双电层电容器及合成其它介孔材料的硬模板剂等。
The invention is adapted to be used as adsorbent, catalyst support, electric double-layer capacitor and hard-template agent for synthesizing the other meso-porous material, etc.
这种新型表面活性层用于碱性水电解时具有析氧催化活性高,稳定性好等特点。
The new DSA for alkaline water electrolysis has higher catalytic activity and longer life time.
通过分别以催化剂层和纳米颗粒层分别作为底部电极和顶部电极,研究人员成功地设计了一个气体传感器并测试了其传感性能。
By employing the catalyst and nanoparticle layers as bottom and top electrodes respectively, the researchers successfully designed and tested a gas sensor.
膜电极包含的催化剂层、材料和结构等对PEMFC的性能影响很大。
Therefore, including the catalyst layer, the materials and structures of the MEA are considered to have most effects on PEMFC performance.
通过分析,我们发现了分子体系的价层轨道平均结合能与金属氧化物催化活性间的内在规律。
Inherent laws between the average binding energy of valence orbits of molecular systems and the catalytic activity of metal oxides are found by analysis.
一般有一个通称为料腿的管子与此底部出口相连,在催化裂化中用此料腿将固体送回到催化剂床层。
Usually a pipe, known as a dip leg, is connected to this bottom outlet and, in catalytic cracking, serves to convey the solids back to the catalyst bed.
以环己烯、苯和苯乙烯为探针物,采用原位FT-IR技术对贵金属催化剂上(活性组分呈壳层分布)吸附烃类的原位加氢反应进行了研究。
Using cyclohexene, benzene and styrene as probe molecules, hydrogenate reaction in situ of hydrocarbons adsorbed on noble metal catalysts (egg-shell distribution) were researched by in situ FT-IR.
同时分析了孔隙率和催化剂表面积对催化剂层性能的影响。
The influence of porosity and active catalyst surface area on the performance of cathode is analyzed as well.
全面系统地考察了在层柱稀土固体酸催化剂上甲醇和环氧乙烷醚化反应。
Etherification of methanol with ethylene oxide (EO) was investigated systematically on the pillared rare earth solid acid catalyst.
所采用的U型管式反应器基本实现床层内等温操作,用于筛选新型颗粒催化剂有较强的可比性。
The U tubular reactor employed in this reaction practically achieves isothermal operation inside the bed, and presents good comparable results in screening new catalyst.
通过在催化剂床层上部气相空间填充惰性材料,考察了甲烷氧化反应中气相自由基反应对催化反应的影响。
The influence of filling inert stuffing on the partial oxidation of methane was investigated by fully filling inert material into the space of empty reactor or into the upper space of catalyst bed.
提高起始反应温度使催化剂床层温度整体过高导致飞温。
应用推荐