temperature cathode 中文意思是什麼
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The cathode at the left is raised to a high temperature by the heater, and electrons evaporate from its surface.
左邊的陰極被燈絲加熱到高溫，同時電子從陰極表面蒸發出來。 -
Usage : manufacture tungsten wire, frame of grid, elicit wire, bracket, unsag tungsten wire, mould rods in high temperature, eradiate cathode, electrodes, bracket of heating
用途：用於製造鎢絲柵極邊桿引出線支架不下垂鎢絲，高溫定型桿發射陰極電極加熱子支撐桿等。 -
The experimental results demonstrate that the suitable mea hot - pressing temperature and pressure are 120 and 15. 5mpa, respectively. the optimum catalyst loading in anode is 4 mg pt / cm2, and the best contents of nafion ionomer in anode and cathode layer are 45wt % and 35. 3wt %, respectively
實驗結果顯示，制備膜電極時最佳的熱壓溫度和壓力分別為120和15 . 5mpa ；陽極催化劑的適宜載量為4mgpt / cm2 ；陽極和陰極催化劑層的nafion最優含量分別為45 . 0wt %和35 . 3wt % 。 -
The crystal grain boundary of v2o5 films was melted and disappeared as increasing the deposition temperature, and the crystalline v2o5 films can be obtained by deposition at > 300. these films showed excellent cathode and anodic electrochromic performance at different wavelength region
而襯底溫度升高促進薄膜晶體顆粒長大、熔結，晶粒邊界消失，在較高襯底溫度（ 300 400 ） ，得到連續的結晶性能良好的v _ 2o _ 5薄膜。 -
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。 -
The na2fepo4f cathode materials for sodium ion battery were prepared by solid state reaction and the influence of synthesizing temperature and morphology on the electrochemical performance of na2fepo4f powders in sodium ion batteries were systematically studied. the results indicate that na2fepo4f synthesized at 750 exhibited good electrochemical performance, whose first specific discharge capacity is 60mah / g, after 20 times cycling, the average specific discharge capacity is 51. 1mah / g
首先採用固相法制備了氟磷酸亞鐵鈉粉體，研究了不同煅燒溫度對合成材料顯微結構和電化學性能的影響，結果表明750下合成材料體現出較好的電化學性能，首次放電容量為60mah / g ，循環20次后，容量下降為51 . 1mah / g 。 -
Moreover, the li / s batteries with above - mentioned composite cathode materials have very low self - discharge rate at room temperature
而且，得到的li / s電池在室溫下自放電率十分低。 -
This research has studied the microstructure of cathode materials systematically by the means of high resolution transmission electron microscopy and scanning electron microscopy, surveyed the electron emission performance of la2o3, - mo, la2o3 - y2o3 - mo, la2o3 - sc2c > 3 - mo cathode with the self - designed electron emission surveyor and analyzed the elements changing of the surface of mo - la2o3 - sc2c > 3 cathode in - situ. while it was heated to different temperature. at last, the relationship of the microstructure of cathode, diffusion of active matter and electron emission performances has been discussed
本研究採用高分辨掃描電鏡、透射電鏡對稀土鉬鎢陰極材料的顯微結構進行了系統研究；利用本課題研究組設計研製的電子發射測量儀對la2o3 - mo ， la2o3 - sc2o3 - mo ， la2o3 ? y2o3 - mo三種陰極（以下稱鑭?鉬陰極、鑭鈧?鉬陰極、鑭釔?鉬陰極）的發射性能進行了測量；利用經改造后的俄歇電子能譜儀「原位」分析了發射性能較好的鑭鈧鉬陰極在不同溫度下表面活性元素的變化情況。 -
Depth profile acquired with aes has shown that excellent emission character owns to the yielding of the surplus la. analysis the active element concentration on the mo - la2o3 - sc2o3 cathode during it heated. results show la and o diffuse rapidly above 1000 ?, but diffusion rate of o gets slow above 1250 ?, so surplus la maybe produce at this temperature
而在高於1250時，鑭含量依然上升，而氧含量變化已經不大，故可以認為這是超額鑭生成的溫度，元素鈧在從800加熱到1290 ，其含量基本沒有變化，說明在這種材料中，鈧元素向表面的擴散不明顯。 -
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。 -
In contrast with conventional thermo - ionic cathode, field emitter array ( fea ) cathode has many special advantages, such as room - temperature operation without a cathode heater, high current density, low power dissipation, excellent on / off isolation characteristics and instant turn - on characteristics
與傳統的熱陰極相比，場發射陣列陰極具有許多獨特的優點，如無需加熱，可以在室溫下工作;電流密度比熱陰極高幾個數量級，並可工作在低電壓調制下;功耗低;極好的開關特性;可瞬時啟動等。 -
Scandate cathode has outstanding properties of high emission at low work temperature. it ’ s the only thermionic cathode which can suffice to the development of new electronic device ’ s requirement
含鈧擴散陰極具有極其優異的低溫高電流密度的電子發射的能力，是目前唯一能滿足新型電子器件發展要求的熱陰極材料。 -
Methods of sampling and test for carbonaceous materials used in aluminium manufacture - electrodes - determination of electrical resistivity of cathode blocks and prebaked anodes at ambient temperature - section 3. 6 determination of electrical resistivity of cathode blocks and prebaked anodes at ambient temperature
制鋁工業用碳素材料的取樣與試驗方法.電極.室溫下陰極碳塊和預焙陽極電阻率的測定 -
In this paper, the low - temperature synthesis method - sol - gel mehtod was used to improve the capacity fading of the cathode with cycling for lithium - ion secondary battery
本文針對鋰錳氧化物循環過程中容量衰減的問題，採用了低溫合成方法即溶膠凝膠法。 -
For adapting to the need of industrialization and improving the properties of materials, the method of mechanical activation has introduced on the basis of traditional calcinations at high temperature. the stardard spinel limn204 is prepared by the mechanical activation - high temperature solid synthesis method. the thermodynamic property, the physical - chemistry performance and the producing techniques of. battery have been studied by means of thermogravimetry ( tg ), differential scanning calorimetry ( dsc ), x - ray diffraction ( xrd ), scanning electric microscopy ( sem ) as well as various electrochemical analysis methods. studies show that synthesis temperature, calcinations time, recipe of raw materials, heat treatment and particle size of products are main factors affecting the performances of limn204 cathode materials. with the increment of synthesis temperature and time, the structure and crystal of products are getting to perfect
隨著合成溫度和時間的增加，產物的結構和晶型越趨于完善，但在1100得到的產物有燒結和晶粒增大的現象，恆溫時間超過24h后對材料的性能影響不是很大； li mn比在0 . 95 1 . 05 2的條件下都可得到標準的尖晶石limn _ 2o _ 4 ，尤其當li mn比為1 . 05 2時，所合成的材料具有較好的電化學性能；通過兩段合成法制備的產物性能要比一段合成法法制備的產物性能好，而兩段間隔合成法比兩段連續合成法處理的材料性能更佳；顆粒的粒度隨著球磨時間的延長而減小，比表面昆明理工大學碩士學位論文摘要卻增大，粒度小且分佈范圍窄的材料有利於鏗離子的擴散。 -
Spinel limn2o4 is regarded as the most promising cathode material for lithium - ion cells because of its low cost and environmental friendly nature over licoo2. however its poor cyclabiliry greatly prevented it from wide application, especially at high temperature
Limn _ 2o _ 4尖晶石型化合物作為鋰離子電池的正極材料之一，被認為是最有希望替代licoo _ 2的綠色電源材料，但其較差的循環性能（特別是在高溫條件下）嚴重地阻礙了它的應用。 -
In this paper, the preparing technological parameters, formation mechanism and structures of ( lithium ) vanadium oxides ( nanocrystalline vo2, amorphous v2o5, layered li1 + xv3o8 and inverse spinel linivo4 ) are systematically studied and discussed, and some properties of the products are measured as cathode materials for lithium ion batteries. the main results are as follows : ( 1 ) nanocrystalline vo2 has been successfully synthesized by a solution chemical reaction method in normal temperature and pressure. the procedure involves v2o5 reacts with koh to form k3vo3 in water and then k3vo3 is reduced with kbh4 around ph = 4 forming vo2 precipitation in aqueous
本文從實驗與理論分析相結合的角度對（鋰）釩氧化物（納米vo _ 2 、非晶態v _ 2o _ 5 、層狀li _ （ 1 + x ） v _ 3o _ 8及反尖晶石型linivo _ 4 ）制備過程中工藝參數、結構和形成機理等方面進行了系統深入的研究，對（鋰）釩氧化物電性能進行了初步測試，取得的主要結果如下： （ 1 ）成功的在常溫常壓下通過溶液化學反應直接制得具有納米結構的vo _ 2粉。 -
A study on the synthesis, structure and performance of linio2 - based compounds as cathode materials for lithium ion batteries was carried out systemically and in detail in this dissertation. as the first step of this study, a sol - gel method using citric acid as a chelating agent was developed. the reaction conditions in sol - gel process, pre - calcination process and calcination process, especially sintering temperature and sintering time in calcinations process, were analyzed and optimized carefully
本文採用多種結構分析、表面分析、熱分析和電化學研究方法和實驗手段，從合成方法、結構特徵、電化學性能、熱穩定性和貯存性能等多方面對鋰鎳氧系列電極材料進行了系統深入的研究，制備出性能良好的鋰鎳氧系列電極材料，解釋了鈦的摻雜對電極材料的作用機理，揭示了鋰鎳氧系列電極材料的貯存失效機理，並借鑒和發展了rietveld結構精修方法和tpd - ms技術在鋰離子電池電極材料研究中的應用。 -
Intermediate - low temperature solid oxide fuel cell ( iltsofc ) is the tendency of the solid oxide fuel cell ( sofc ) commercializing development, and one key problem is the study of cathode materials
摘要中低溫固體氧化物燃料電池的研製是固體氧化物燃料電池商業化的必然趨勢，陰極材料的研製是影響其發展的關鍵問題之一。 -
Remarkably, the temperature must be limited between softening point and solidification value, at which the bond can get perfect fluidity and stickiness. effects of bond content and pressure on magnet product during heating - pressing process are the same with effects during common - pressing process. fourthly, it is more than 250 hours before magnet is eroded when it is coated with lacquer by way of cathode electrophoresis
溫度對溫壓效果影響明顯，應當選擇在粘結劑軟化點以上、固化反應前的某一點，保證粘結劑具有適當的粘度和良好的流動性；與普通壓制工藝相同，溫壓工藝制備的粘結磁體密度和磁性能均隨壓制壓力的增大而提高，磁體性能和磁粉體積分數隨粘結劑含量變化的規律一致。
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