電容性導納 的英文怎麼說
中文拼音 [diànróngxìngdǎonà]
電容性導納
英文
permittance- 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...
- 性 : Ⅰ名詞1 (性格) nature; character; disposition 2 (性能; 性質) property; quality 3 (性別) sex ...
- 導 : 動詞1. (引導) lead; guide 2. (傳導) transmit; conduct 3. (開導) instruct; teach; give guidance to
- 納 : Ⅰ動詞1 (收進來; 放進來) receive; admit 2 (接受) accept; take in 3 (享受) enjoy; take deligh...
- 電容 : electric capacity; capacitance; capacity
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The carbon nanotubes ( cnts ) are attractive materials for electrodes of supercapacitors due to their superb characteristics : chemical stability, low mass density, low resistivity, and large specific surface area
納米碳管導電性好、比表面積大、微孔集中在一定范圍內,從理論上講是製作超級電容器的理想材料。Duo to the intrinsic characteristics of the gaas material, serai - insulating ( si ) gaas photoconductive semiconductor switches ( pcss " s ) have more obvious advantages in the performance of both high power and ultra - fast switching than those pcss " s made of other materials and then can be widely used in ultrahigh speed electronics, field of high power microwave generation and pulse forming ( pulse sources of high power ultra - fast electromagnetism, ultra - wide - band microwave generator )
半絕緣gaas光電導開關( photoconductivesemiconductorswitches簡稱pcss ' s )具有兼備寬頻帶和高功率容量特性,使其在超高速電子學和大功率脈沖產生與整形技術領域(大功率亞納秒脈沖源、超寬帶射頻發生器等)具有廣泛應用前景。In attempt to prepare and investigate the novel high - performance electrically conductive polymer composites, the binary and multicomponent electrically conductive nanocomposites as well as the combined nano and in - situ composites were prepared with polypropylene ( pp ) served as the matrix, expanded graphite ( eg ) as a conductive filler, nylon 66 ( pa66 ) as a modifier, and maleic anhydride grafted polypropylene as an eg intercalater and the compatibilizer of pp - pa66, based on the state - of - art development in the realm of polymer / inorganic nanocomposites and polymer / polymer in - situ composites domestically and overseas. the main outcomes are obtained as follows : 1
本論文以制備和研究新型高性能聚合物導電復合材料為目的,跟蹤和借鑒國內外在聚合物無機物納米復合、聚合物聚合物原位復合領域的最新研究成果,制備和研究了以聚丙烯( pp )為基體、膨脹石墨( eg )為導電填料、尼龍66 ( pa66 )為改性劑、馬來酸酐接枝聚丙烯( gpp )為eg插層劑和pp ? pa66增容劑的二元及多元導電納米復合材料和納米復合與原位復合組合復合材料,取得了以下主要研究成果: 1In the mean time, i test the separator ’ s performance, including the rate of hole 、 the performance of absorbing electrolyte and the conductance eletrochemical steady range 、 machine intensity test, and then make bettery to test its cycle performance. the test result show that, the spreading separator get better performance, when dbp ’ s percentum reach 50 %, and dry temperature reach 90, after ultraviolet radiation disposal. the test show that, the separator has high conductance reach 6. 1 10 - 3s / cm ( 25 ), and the machine intensity can reach 3. 92 mpa, this separator can meet the need of making bettery, the bettery capability will go down after 30 cycle. and the bettery show worse performance under high temperature, under 70, the bettery will get fire. making the intensified seprator, i find that when dbp % : pvdf % = 40 % : 60 %, dbp % + pvdf % : sio2 % = 70 % : 30 %, the separator get
但用其制備的電池循環30周期后容量發生衰減,並且電池高溫性能差, 70下電池燃燒;強化聚合物膜的最佳制備配比條件為: dbp : pvdf為40mass % : 60mass % , dbp含量與pvdf含量之和與納米sio2含量比值為70mass % : 30mass % ;強化電解質隔膜的室溫離子電導率也可達4 10 - 3s / cm左右,完全能滿足聚合物鋰離子電池的使用需要;機械強度遠遠大於流延法制得的隔膜,達到108 . 84mpa 。Nano - sacle coo is apt to dissolve in the electrode homogeneously, and better conductive net of coooh come into being, thus contribute a lot to the procedure of the activation. the electrode with nano - scale coo and cnts shows higher discharge voltage and higher discharge capacity. nano - scale additives can improve the specific capacity of the electrode, the volume specific capacity and the mass specific capacity of the electrode with nano - scale coo are 784mah / cm3 and 224mah / g, respectively
結果表明:添加劑為納米coo的電極的活化性能最好,納米coo相對于普通coo能更加均勻的分佈在鎳電極內,也更易溶解、反應生成coooh導電網路,從而加快了鎳電極的活化進程;添迦納米coo和添加cnts的極片具有較高的放電電位和較大的放電容量,納米添加劑能有效提高鎳正極活性物質的放電效率和利用率;納米添加劑可以有效地提高鎳正極片的容量密度,其中添迦納米coo的極片體積容量密度達到784mah cm ~ 3 ,質量容量密度達到224mah g ;添加cnts的極片體積容量密度達到778mah cm ~ 3 ,質量容量密度達到223mah g 。A brief introduction to semiconductor spintronics that includes magnetic semiconductor, magnetic / semiconductor compound structures, spin phenomena in the non - magnetic semiconductor quantum well and nanostructures, and spin injection into semiconductor etc. is given
摘要簡單介紹了半導體自旋電子學的研究對象和內容,主要包括磁性半導體、磁性半導體復合結構、非磁性半導體量子阱和納米結構中的自旋現象,以及半導體的自旋注入等。分享友人