一、鋁電解電容器是什么

鋁電解電容器是由鋁(lv)(lv)(lv)圓筒(tong)做(zuo)負極，里(li)面裝有液體電(dian)解(jie)質，插入一(yi)(yi)片彎曲(qu)的(de)鋁(lv)(lv)(lv)帶(dai)做(zuo)正極而制(zhi)成(cheng)(cheng)的(de)電(dian)容(rong)(rong)器稱作鋁(lv)(lv)(lv)電(dian)解(jie)電(dian)容(rong)(rong)器。它是一(yi)(yi)種用鋁(lv)(lv)(lv)材料制(zhi)成(cheng)(cheng)的(de)電(dian)性能好、適用范圍寬(kuan)、可靠(kao)性高的(de)通用型(xing)電(dian)解(jie)電(dian)容(rong)(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)領域(yu)的不同鋁電(dian)(dian)解電(dian)(dian)容器(qi)分為消(xiao)費類(lei)(lei)(lei)、工業(ye)(ye)(ye)類(lei)(lei)(lei)和特(te)種應用(yong)鋁電(dian)(dian)解電(dian)(dian)容器(qi)，消(xiao)費類(lei)(lei)(lei)鋁電(dian)(dian)解電(dian)(dian)容器(qi)主(zhu)要(yao)用(yong)于(yu)(yu)節(jie)能照明、電(dian)(dian)視機、顯(xian)示(shi)器(qi)、計算機及空調等(deng)消(xiao)費類(lei)(lei)(lei)市場；工業(ye)(ye)(ye)類(lei)(lei)(lei)鋁電(dian)(dian)解電(dian)(dian)容器(qi)主(zhu)要(yao)用(yong)于(yu)(yu)工業(ye)(ye)(ye)和通訊電(dian)(dian)源、專業(ye)(ye)(ye)變頻(pin)器(qi)、數控和伺服系統、風力(li)發電(dian)(dian)及汽車等(deng)工業(ye)(ye)(ye)領域(yu)；特(te)種鋁電(dian)(dian)解電(dian)(dian)容器(qi)主(zhu)要(yao)應用(yong)于(yu)(yu)軍事(shi)、航(hang)(hang)空航(hang)(hang)天以及其(qi)他特(te)殊領域(yu)。

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(cai)料則為導電(dian)性(xing)高分子。

由于(yu)固態(tai)電(dian)(dian)(dian)(dian)容采用(yong)導電(dian)(dian)(dian)(dian)性(xing)高(gao)分(fen)子產(chan)(chan)(chan)品(pin)作(zuo)為介電(dian)(dian)(dian)(dian)材料，該材料不(bu)會與氧化鋁(lv)產(chan)(chan)(chan)生作(zuo)用(yong)，通電(dian)(dian)(dian)(dian)后不(bu)致(zhi)于(yu)發生爆炸的(de)(de)現象；同(tong)時它為固態(tai)產(chan)(chan)(chan)品(pin)，自然也就不(bu)存在由于(yu)受熱膨(peng)脹導致(zhi)爆裂(lie)的(de)(de)情(qing)況了。固態(tai)電(dian)(dian)(dian)(dian)容具(ju)備環(huan)保(bao)、低阻抗(kang)、高(gao)低溫穩定(ding)、耐(nai)高(gao)紋波及高(gao)信賴(lai)度(du)等優(you)越(yue)特性(xing)，是(shi)目前電(dian)(dian)(dian)(dian)解電(dian)(dian)(dian)(dian)容產(chan)(chan)(chan)品(pin)中(zhong)最高(gao)階(jie)的(de)(de)產(chan)(chan)(chan)品(pin)。由于(yu)固態(tai)電(dian)(dian)(dian)(dian)容特性(xing)遠優(you)于(yu)液態(tai)鋁(lv)電(dian)(dian)(dian)(dian)容，固態(tai)電(dian)(dian)(dian)(dian)容耐(nai)溫達(da)260度(du)，且導電(dian)(dian)(dian)(dian)性(xing)、頻率(lv)特性(xing)及壽命均佳，適用(yong)于(yu)低電(dian)(dian)(dian)(dian)壓、高(gao)電(dian)(dian)(dian)(dian)流的(de)(de)應(ying)用(yong)，主要應(ying)用(yong)于(yu)數字產(chan)(chan)(chan)品(pin)如薄(bo)型(xing)DVD、投影機及工業計算機等，近年來也被電(dian)(dian)(dian)(dian)腦板卡(ka)產(chan)(chan)(chan)品(pin)廣泛使用(yong)。