電池換極 的英文怎麼說
中文拼音 [diànchíhuànjí]
電池換極
英文
battery reversal- 電 : Ⅰ名詞1 (有電荷存在和電荷變化的現象) electricity 2 (電報) telegram; cable Ⅱ動詞1 (觸電) give...
- 池 : 名詞1 (池塘) pool; pond 2 (旁邊高中間窪的地方) an enclosed space with raised sides 3 (舊指劇...
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 極 : i 名詞1 (頂點; 盡頭) the utmost point; extreme 2 (地球的南北兩端; 磁體的兩端; 電源或電器上電流...
- 電池 : [電學] cell; battery; element; electric battery
-
So, how to consider about these factors and design out suitable dc / dc converter becomes very important. at the same time, it helps a lot to bring the fuel cell to market use
因此,如何綜合考慮這些因素,合理設計符合要求的dc / dc變換器就顯得尤為重要,同時這對于燃料電池的市場化推廣應用也具有極其重要的意義。Modeling of the cathode of proton exchange membrane fuel cell using interdigitated flow fields
交指型極板的質子交換膜燃料電池陰極模擬Numerical simulation of mass transfer in the cathode of a proton exchange membrane fuel cell with interdigitated gas distributors
交指型電極的質子交換膜燃料電池陰極內傳質過程的數值模擬A hydrogen - oxygen proton exchange membrane fuel cell, with a control system for pressure, temperature and humidity, was set up
摘要在組裝的單體質子交換膜氫氧燃料電池系統上,用線性電位掃描法研究了不同電池溫度和濕度下的陽極極化行為。The research on electrocatalysts for oxygen reduction is of great importance to the development of proton exchange membrane fuel cell
摘要氧電極還原電催化劑對于質子交換膜燃料電池的發展具有重要的意義。Oxygen diffusion transport and electrochemical reaction in the oxygen cathode of alkaline fuel cell ( afc ) and pemfc have been expressed with the tffa model, including oxygen transferring in gas channel of gas diffusion layer and reaction layer, oxygen dissolution and diffusion in thin - film of reaction layer, oxygen reaction and diffusion in flooded - agglomerate of reaction layer and the conduction of electron and ion. numeric algorithm of the model equations is also obtained
本文將tffa模型應用於堿性燃料電池( afc )和質子交換膜燃料電池( pemfc )陰極,推導出陰極各種傳遞和反應過程的描述方程,包括氧氣在氣體擴散層和反應層氣體通道中的擴散,氧氣在反應層薄膜中的溶解和擴散,氧在反應層浸漬聚集體中的反應和擴散以及電子和離子的傳導,並給出方程的數值解法。In the thesis, we proposed a random lattice model of mea the lattice model randomly occupied by three kinds of particles, pt / c, nafion and ptfe ( poly - tetra - fluoro - ethylene ), was generated on a computer by the means of monte carlo method. it was supposed that current was only produced on those catalysts which have not only channels of electrons via carbon but also have channels of proton via nafion. the purpose of the work, in a word, is to find how many catalysts, pt / c, with such a two - types channels
本文首先建立了質子交換膜燃料電池的膜電極的隨機方格子模型,在電極模型各格點位置用montecarlo方法生成隨機分佈的電極粒子、 nafion粒子和聚四氟乙烯團粒,認為只有那些既有質子傳輸通道,又有連續的電子通道和氣體擴散通道的胞元才產生有效的電流,而其餘胞元不產生電流,把電極的輸出電流轉化成一個概率事件。According to the test conditions, the double polarity inputting mode is adopted in the circuit of voltage - frequency converting part ; storage batteries are used in the optical emission part of optical fibre isolating and transmitting device, that can guarantee isolation between the main circuit and the testing system ; the 89c51 singlechip is used in the singlechip testing - controlling unit, the peripheral circuits are extended, data are transmitted through the serial port in this part ; the p opular software delphi5. 0 is used in the pc part, the communication between singlechip and pc by serial port, plotting of current wave, regulation of data ; the optical - electrical isolating and triggering are used in the controlling part, this can guarantee the veracity and reliability of breakers triggered, this triggering mode is also used in the triggering of the main closing breaker, the tested breaker and the assistant breaker, the triggering signals are sent out by a singlechip
壓頻轉換部分電路中根據實際情況採用了雙極性輸入方式;光纖隔離傳輸裝置的光發射部分電源採用了蓄電池供電,確保了主迴路與測試迴路的完全隔離;單片機測控部分採用了89c51單片機,擴充了外圍電路,通過串口向pc機傳送數據; pc機與單片機之間的串口通訊、波形繪制、數據管理等都採用了軟體delphi5 . 0編寫。該測試系統中預留了輸出口,可以對合成迴路中的主合閘開關、被試開關、輔助開關進行觸發,信號由單片機發出,控制部分採用了光電耦合隔離觸發的方法。軟體設計主要集中在對電流信號的數據採集、數據處理、數據傳送、人機界面、波形繪制和數據管理,軟體部分又可分為單片機和pc機程序設計兩大部分。Preparation and characterization of the carbon nano tubes supporting oxygen electrode material for pemfc
質子交換膜燃料電池中碳納米管負載的氧電極材料制備與表徵The key part of proton exchange membrane fuel cells ( pemfc ) is membrane electrode assembly ( mea ), where mass transfer processes and electrochemical reactions proceed simultaneously. the accurate, systematic and in - deepth acquaintance with mea has not been obtained yet. so a comprehensive study about mea is completely necessary
質子交換膜燃料電池( pemfc )的膜電極中包含多種傳輸過程,且傳輸過程與電化學反應過程在相互交錯的區域內進行,目前人們對膜電極的結構、傳輸過程和電極的微觀性質還缺乏準確、系統和深層次的認識。However, the pure cdte films have high electrical resistivity and this is mighty unfavourable to improve the conversion efficiency of cdte solar energy cells, and the best way is to doping donor or acceptor in pure cdte films
但本徵cdte薄膜均為高阻半導體,這對于提高cdte薄膜太陽能電池的光電轉換效率是極為不利的,要提高cdte薄膜的光電性能必須通過施主或受主的摻雜。Progress of research on pt - based alloy catalysts for the cathode of proton exchange membrane fuel cell
質子交換膜燃料電池陰極鉑合金催化劑研究進展分享友人