cathode potential 中文意思是什麼

cathode potential 解釋
陰極電勢
  • cathode : n. 【電學】陰極,負極。
  • potential : adj 1 可能的;【語法】可能語氣的。2 潛在的;有潛勢的;【物理學】位的,勢的。3 〈罕用語〉有力的。n...
  1. Cathode potential stabilized emitron

    陰極穩壓攝象管
  2. The dust charging associated with the electron beams including the secondary emission of dust can dominate the dust surface potential in the close cathode region. in this case, dust of the same size can levitate at two different positions in the cathode

    另外還發現:在考慮極板有強電子束發射和塵埃粒子本身的二次電子發射時,同一大小的塵埃粒子能夠懸浮在鞘層中兩個不同的位置。
  3. In particular, the potential developments and the application on the cathode of the high temperature steam electrolysis are put forward

    對陽極材料在高溫電解制氫領域陰極上的應用前景進行了展望。
  4. At first, a two - dimensional across - the - channel mathematical model for simulation of a direct methanol fuel cell is described. the model accounts simultaneously for electrochemical kinetics, hydrodynamics, and multicomponent transport, and fully accounts for the mixed potential effects of methanol oxidation at the cathode as a result of methanol crossover caused by convection, diffusion and electro - osmosis

    首先描述了一個用於模擬直接甲醇燃料電池特性的垂直於流道的二維數學模型,模型考慮了多組分傳遞、水動力學和電化學動力學,並且考慮了甲醇竄流在電池陰極產生的混合電位的影響。
  5. Simulation results show that cathode over - potential under low current density is considerably increased because of methanol crossover, but its effect becomes much lower under high current density

    模型顯示在低放電電流密度下,甲醇穿透顯著地增加了電池陰極過電位,降低了電池電壓;但在高電流密度下,甲醇穿透對電池性能的影響不顯著。
  6. The tffa model calculation has been carried out to investigate the effects of structural parameters of the afc cathode and pemfc cathode on the electrode performance, which is respectively represented by the curve of cathode overpotential versus current density and the curve of cathode potential versus current density

    本文運用tffa模型分別考察了afc陰極過電位?電流密度的曲線和pemfc陰極伏安曲線受陰極結構參數變化的影響程度。
  7. The fitness of four negative electrode materials such as al, fe, zn, cd, and of six membranes materials : microfiber glass mat separator, polyethylene, polypropylene, polyvinyl chloride, vinylon, soapnated cellulose acetate, and of four current collects : carbon fiber ; nickel foam ; nickel foam sthongthened by iron wire net, punched silver grid in the super - iron alkaline batteries was comparatively studied. the influence of two storaged method ( with and without electrolyte ) and two impurities ( zno, fe ( oh ) 3 ) to the experiment cell ' s self - discharge nature was also comparatively studied. at last, the nature of discharge. structure and electrochemistry of experimental cell with k2feo4 as cathode active material prepared by three different methods : high temperature reaction, hypochlorite oxidizing and electrolysis, was comparative ly studied. we can conclude : i ) the open - circuit potential and the flat of work potential and the percent of capacity of k2feo4 till 1. 0v during the discharge at constant load of experimental cells decreased by the order of al / k2feo4, zn / k2feo4, cd / k2feo4, fe / k2feo4. as for the nature of charge - discharge cycle, cd / k2feo4 fe / k2feo4 zn / k2feo4. in water solute electrolyte, although al / k2feo4 can n ' t be used as storage battery, it have great potential as primary cell or storage cell from the aspect of its discharge capacity. discharge power

    採用組裝實驗電池、 x -射線衍射( xrd )和循環伏安( cv )的方法,從實驗電池的放電特性、充放電循環特性、自放電特性,不同高鐵酸鹽的結構特性和電化學特性幾個方面,對4種金屬負極材料( al 、 fe 、 zn 、 cd ) 、 6種隔膜材料(復合玻璃纖維、幅射接枝聚乙烯、改性聚丙烯、聚氯乙烯、維尼綸無紡布、皂化再生纖維素) 、 4種集流體材料(泡沫鎳、以鐵網為加強層的泡沫鎳、切拉銀網、炭纖維編織網)在堿性高鐵電池中的適用性進行了比較研究;對2種雜質組分( zno 、 fe ( oh ) _ 3 )和2類不同貯存方式(干、濕)對實驗電池自放電特性的影響進行了比較研究;對3種方法(高溫固相反應、次氯酸鹽氧化、直流電解)所制k _ 2feo _ 4的實驗電池的放電特性、結構特性和電化學性能進行了比較研究。
  8. Re also enhanced the deposition potential, polarizability and cathode overpotential of the baths, changed the result of chemical deposition reactions and actuate the deposit of cobalt alloy. and the chemical deposit co - b - re, co - ni - p - re alloy include re which electrode potential is much more negative was obtained. the structure of co - b - re was composed of microcrystal

    Re還提高了鍍液的靜止析出電位、極化度和陰極過電位,改變了化學沉積反應的強弱次序,加強了鈷基合金的析出反應,成功地獲得了含電極電位較負的re ( la , ce , y )的化學沉積co - b 、 co - ni - p薄膜。
  9. The composition and mechanism of cdse thin films were explored by x - ray energy dispersion analysis ( eds ) and x - ray penetration spectrum ( xps ). the effect of electro - deposition conditions such as potential ( vs. sce ) of cathode, concentration of electrolyte on composition and mechanism of as - fabricated cdse thin films were gained, which provided experimental foundation and ideal basis for template - electro - deposition preparation of cdse nano - wire arrays

    採用eds和xps兩種分析方法對cdse薄膜的組成進行了表徵,得到了陰極電位值( vs . see )和電解液濃度對edse薄膜組成的影響關系,為以hzseo3和seso32 -為硒源,用模板一電沉積法制備cdse納米線陣列提供了實驗依據和理論基礎。
  10. Cathode potential regulator

    陰極電位調節器
  11. In this paper, based on the previous research result, by using theory of electrochemical mechanism, probability math, reliability theory, basic theory of pre - stressed concrete structures, structure optimum design, theory of control, maintenance strategy decision theory of structures and etc., the research on steel corrosion monitoring method, structural corrosion damage model, reliability analysis, the maintenance and repair method that based on corrosion control, the optimum structural design method of new bridge structures that consider durability and the optimum maintenance strategy decision theory are carried out. 2. corrosion mechanism and monitoring technique it is widely accepted that the corrosion of steel in concrete structure is a electrochemical process, include the formation of anode & cathode area on metal surface and potential difference between different ' area

    本文在已有理論研究的基礎上,針對預應力混凝土橋梁建設及使用中存在的影響結構耐久性的實際問題,綜合運用電化學理論、概率理論、結構可靠性理論、混凝土和預應力混凝土結構基本理論、結構優化理論及控制維修決策等理論和方法,詳細研究了基於電化學理論的鋼筋銹蝕檢測方法、預應力混凝土橋梁結構的腐蝕損傷模型、可靠性分析、基於腐蝕控制的維修方法、橋梁結構方案選型及優化設計以及在役橋梁結構的優化維修決策等問題第二章混凝土結構的腐蝕機理及檢測技術目前普遍認為,結構混凝土中鋼筋的腐蝕是一種電化學的過程,包括在金屬表面形成陽極(腐蝕)和陰極(鈍化)區域以及不同區域間的電位差等。
  12. Special attention is paid to the consequences of methanol crossover in cathode reaction and cathode over - potential. good agreement is found between simulations and experiments in regard to the v - i character of dmfcs. based on the theory of parallel electrode reaction, it becomes possible to obtain quantitatively the value of over - potential caused by methanol crossover, which is either implicit or not included in the overall cathode over - potential in previous models

    該模型涵蓋了dmfc中的主要物理化學過程,包括:甲醇水溶液在膜電極內的擴散、對流和電遷移;質子在陽極催化劑層和陰極催化劑層內的傳遞;氧氣、水蒸汽在陰極的擴散;陽極催化劑層內的甲醇氧化反應動力學;以及陰極催化劑層內的氧還原和甲醇氧化反應動力學。
  13. Cathode potential stabilization

    陰極電位穩定
  14. Transition metal oxides with high inserted potential are used as cathode material of li - ion batteries generally. at present, layered compounds lico02, lini02 and spinel limn204 are extensively studied

    具有高插入電位的過渡金屬氧化物常用作鋰離子電池的正極材料,目前研究較多的是層狀結構的licoo _ 2 、 linio _ 2 。
  15. Using field emission cathode, x ray source can be made with several advantages : smaller volume and brighter, high frequency response, in - time turning on, etc. considering of the merits and potential markets, researching and fabricating miniature x - ray source is meaningful

    由於突起數目大且尖端頂端電場強度高,因此產生很大的場發射電流密度。採用場發射陰極的x射線光源具有體積小,輻射強度高,頻率響應快,可以隨時開啟,無需預熱的優點。
  16. Lithium vanadium oxides display high capacity and low price as cathode materials for lithium ion batteries. lithium vanadium oxides, however, are hard to be synthesized because of the various valences of vanadium. if the factors of price and comprehensive electrochemical properties a re considered, the cathode materials of ( lithium ) vanadium oxides should be recognized as the most potential cathode materials for lithium ion batteries

    (鋰)釩氧化物類正極材料容量大、價格低,但由於釩的多價態導致(鋰)釩氧化物類正極材料制備困難,如果考慮價格和綜合電性能等因素, (鋰)釩氧化物類正極材料更具有實際使用價值,所以(鋰)釩氧化物類正極材料被越來越多的研究者認同為是新一代最具發展潛力的鋰離子電池正極材料。
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