一、鋁電解電容器是什么

鋁電解電容器是由鋁圓筒做(zuo)負極，里面裝有(you)液體電(dian)(dian)解(jie)質(zhi)，插入一(yi)片彎曲的鋁帶(dai)做(zuo)正極而制(zhi)成(cheng)的電(dian)(dian)容(rong)器稱作鋁電(dian)(dian)解(jie)電(dian)(dian)容(rong)器。它是一(yi)種用鋁材料制(zhi)成(cheng)的電(dian)(dian)性(xing)能好(hao)、適(shi)用范(fan)圍寬、可靠性(xing)高的通用型電(dian)(dian)解(jie)電(dian)(dian)容(rong)器。

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二、鋁電解電容器的用途

鋁電解電容器在電子線路中的基本作用一般概括為：通交流、阻直流，具有濾波、旁路、耦合和快速充放電的功能，并具有體積小、儲存電量大、性價比高的特性。隨著現代科技的進步與電容器性能的不斷提高，鋁電解電容器已廣泛應用于消費電子產品、通信產品、電腦及周邊產品、新能源、自動化控制、汽車工業、光電產品、高速鐵路與航空及軍事裝備等。

鋁電解電容器根據電解質形態的不同可劃分為液態鋁電解電容器和固態鋁電解電容器；按引出方式的不同可分為引線式、焊針式、焊片式、螺栓式、貼片式等五種。按(an)應用(yong)(yong)領域的不同鋁(lv)電(dian)(dian)解電(dian)(dian)容(rong)(rong)器(qi)(qi)分為消費類(lei)(lei)、工業(ye)(ye)(ye)類(lei)(lei)和(he)特(te)種(zhong)應用(yong)(yong)鋁(lv)電(dian)(dian)解電(dian)(dian)容(rong)(rong)器(qi)(qi)，消費類(lei)(lei)鋁(lv)電(dian)(dian)解電(dian)(dian)容(rong)(rong)器(qi)(qi)主(zhu)要(yao)用(yong)(yong)于(yu)節能(neng)照明(ming)、電(dian)(dian)視機(ji)(ji)、顯示(shi)器(qi)(qi)、計算(suan)機(ji)(ji)及(ji)(ji)空調(diao)等(deng)消費類(lei)(lei)市(shi)場；工業(ye)(ye)(ye)類(lei)(lei)鋁(lv)電(dian)(dian)解電(dian)(dian)容(rong)(rong)器(qi)(qi)主(zhu)要(yao)用(yong)(yong)于(yu)工業(ye)(ye)(ye)和(he)通訊電(dian)(dian)源、專業(ye)(ye)(ye)變(bian)頻器(qi)(qi)、數控和(he)伺服(fu)系統、風力發電(dian)(dian)及(ji)(ji)汽車等(deng)工業(ye)(ye)(ye)領域；特(te)種(zhong)鋁(lv)電(dian)(dian)解電(dian)(dian)容(rong)(rong)器(qi)(qi)主(zhu)要(yao)應用(yong)(yong)于(yu)軍事、航空航天(tian)以及(ji)(ji)其(qi)他特(te)殊(shu)領域。

三、鋁電解電容與固態電容的區別

固態電容全稱為：固態鋁質電解電容。它與普通電容（即液態鋁質電解電容）最大差別在于采用了不同的介電材料，液態鋁電容介電材料為電解液，而固態電容的介電(dian)材料則為(wei)導電(dian)性高分子(zi)。

由于(yu)(yu)(yu)固(gu)態(tai)電(dian)(dian)(dian)容(rong)采用導電(dian)(dian)(dian)性高分子產(chan)品(pin)(pin)(pin)作為介電(dian)(dian)(dian)材料，該(gai)材料不(bu)會與氧化鋁產(chan)生作用，通電(dian)(dian)(dian)后不(bu)致于(yu)(yu)(yu)發生爆炸的現(xian)象；同(tong)時(shi)它為固(gu)態(tai)產(chan)品(pin)(pin)(pin)，自(zi)然也(ye)就(jiu)不(bu)存在由于(yu)(yu)(yu)受熱膨脹導致爆裂(lie)的情況了(le)。固(gu)態(tai)電(dian)(dian)(dian)容(rong)具備環保、低(di)阻(zu)抗、高低(di)溫(wen)穩定(ding)、耐高紋波及高信(xin)賴度等(deng)(deng)優越特性，是目前電(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)容(rong)產(chan)品(pin)(pin)(pin)中最(zui)高階的產(chan)品(pin)(pin)(pin)。由于(yu)(yu)(yu)固(gu)態(tai)電(dian)(dian)(dian)容(rong)特性遠優于(yu)(yu)(yu)液態(tai)鋁電(dian)(dian)(dian)容(rong)，固(gu)態(tai)電(dian)(dian)(dian)容(rong)耐溫(wen)達(da)260度，且導電(dian)(dian)(dian)性、頻率特性及壽(shou)命均佳，適用于(yu)(yu)(yu)低(di)電(dian)(dian)(dian)壓、高電(dian)(dian)(dian)流的應(ying)用，主(zhu)要應(ying)用于(yu)(yu)(yu)數字(zi)產(chan)品(pin)(pin)(pin)如薄型(xing)DVD、投影機及工業計算(suan)機等(deng)(deng)，近年來也(ye)被電(dian)(dian)(dian)腦板卡(ka)產(chan)品(pin)(pin)(pin)廣泛(fan)使(shi)用。