electrode catalyst 中文意思是什麼
electrode catalyst
解釋
電極催化劑-
The oxygen reduction catalyst is the key material of air electrode used in the metal - air battery and the electrochemical oxygen generator
氧還原催化劑是金屬空氣電池和電化學制氧空氣電極的核心材料。 -
In this thesis, in order to reducing the amount of the pt catalyst, improving the electrocatalytic activity of the pt catalysts and utilization ratio of pt, the electrochemical codeposition method by cyclic voltammetry ( cv ) was used to prepare a series pt / moox / glassy carbon ( gc ) composite electrodes with high dispersibility. the composite electrode, pt / moox / gc, was characterized to study its composition and its electro chemical behavior by cv. using the xrd and sem techniques, the size and the dispersion degree of the catalyst particles were studied in presence or absence of moox in the catalyst
為了降低主催化劑pt的用量、提高pt的活性和利用率，本論文利用循環伏安法共沉積制備高分散的pt moo _ x催化劑顆粒，利用循環伏安電化學表徵、 xrd和sem技術研究了引入moo _ x后的催化劑即pt moo _ x顆粒的粒子大小、分散狀態；利用icp - aes定量分析pt moo _ x催化劑顆粒的組成含量；並藉助于電化學方法分別評價了pt moo _ x gc電極催化劑的對甲醇的電催化活性和穩定性、氧還原電催化活性。 -
Each electrode is impregnated with a catalyst to speed the oxidation reduction or half reaction.
每個電極摻入催化劑，以加重電池半氧化或還原反應。 -
In order to improve the electro - catalytic activity of platinum based catalyst to methanol oxidation, in this thesis, firstly prepare heteropoly acid modified pt / gc electrode with different concentration by cyclic voltammetry method, and then test the cyclic voltammetry curves individually in vitriolic and methanol solution. the study shows the best concentration for both phosphomolybdic acid and phosphotungstic acid is 1 10 ~ ( - 3 ) mol / l. and find the more heteropoly acid modified on electrode, the lower peak - up potential towards methanol because of the existence of oxygenous species
為了改善鉑基催化劑氧化甲醇的催化活性，本論文首先通過循環伏安掃描法制備了不同濃度磷鉬酸和磷鎢酸修飾的pt / gc電極，通過研究pt / gc電極在修飾前後在硫酸溶液中及含甲醇的硫酸溶液中的循環伏安行為發現，磷鉬酸和磷鎢酸均能在ptru / c電極上發生氧化還原反應，而且雜多酸修飾濃度對pt / gc電極氧化甲醇的催化活性有很大影響。 -
Poly - o - toluidine ( pot ) is selected as the electro - catalyst of 2, 5 - dimercaptan - 1, 3, 4 - thiadiazole ( dmct ) because the solubility of pot in organic solvents is much higher than that of pan. therefore, dmct can contact with pot at molecular level. it suggests that the oxidative reaction order is 2 and the reduced reaction order is 1 by testing its electrode kinetics
聚苯胺難以溶於有機溶劑，因此選用易溶於有機溶劑的聚苯胺衍生物聚鄰甲基苯胺（ pot ）作有機硫化合物2 ， 5 -二巰基- 1 ， 3 ， 4 -噻二唑（ dmct ）的電催化劑，兩者可以達到分子水平的復合。 -
The properties of air electrode and catalyst were investigated by measuring the curve of steady - state polarization
實驗採用恆電流的穩態極化曲線來考察催化劑和空氣電極的性能。 -
Air electrode, in which nh _ 4hco _ 3 is as pore former, is mainly studied in this paper. the manufacturing process of air electrode, the composition of waterproof and gas diffusion layer, the composition of catalysis layer, and two kinds of catalyst were studied by numbers
本文針對以碳酸氫銨為造孔劑的空氣電極進行研究，分別對電極製作工藝、防水透氣層組成、催化層組成以及兩類催化劑進行了初步系統的探索和研究。 -
Preparation and characterization of the bifunctional oxygen electrode catalyst for unitized regenerative fuel cell
組合式再生燃料電池雙效氧電極催化劑制備與表徵 -
The optimum conditions for air electrode preparation were shown as follows : active carbon which was baked for 15 min in 900 as carrier for catalyst, bond is 60mass % polytetrafluoroethylene ( ptfe ) liquor, 20 % ptfe in waterproof layer, 10mass % pore - making in waterproof layer thickness of waterproof layer 0. 30mm, 10mass % ptfe in catalysis layer, nickel screen for current collector, compacting pressure 6mpa
確定製備空氣電極的最佳工藝條件為:催化劑載體的處理條件為在900下灼燒15min ，粘結劑為60mass % ptfe的水溶液。防水層中pefe含量為20mass % ，造孔劑含量為10mass % ，其厚度為0 . 3mm 。催化層中ptfe含量為10mass % 。 -
The voidage of the electrode was improved and the three phases boundary was ameliorated by the thermal annealing process of air electrode, and the performance of catalyst was improved as a result
並通過電極熱處理工藝，明顯提高電極孔隙率、改善三相界面，提高了催化性能。採用穩態極化曲線測試方法研究sr的摻雜對la _ （ 1 - x ） sr _ xmno _ 3催化性能的影響。
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