一、鋁電解電容器是什么

鋁電解電容器是由鋁(lv)圓筒做(zuo)負極(ji)，里(li)面(mian)裝有液體電(dian)(dian)解質，插(cha)入一片彎曲的鋁(lv)帶(dai)做(zuo)正極(ji)而(er)制成的電(dian)(dian)容(rong)(rong)器(qi)(qi)稱作鋁(lv)電(dian)(dian)解電(dian)(dian)容(rong)(rong)器(qi)(qi)。它是一種用(yong)鋁(lv)材料制成的電(dian)(dian)性能好、適用(yong)范圍(wei)寬、可靠(kao)性高(gao)的通用(yong)型(xing)電(dian)(dian)解電(dian)(dian)容(rong)(rong)器(qi)(qi)。

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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。按應用領域的不同鋁(lv)(lv)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)器分為(wei)消(xiao)費類、工(gong)業類和特(te)種應用鋁(lv)(lv)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)器，消(xiao)費類鋁(lv)(lv)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)器主要用于(yu)節能照明、電(dian)(dian)(dian)(dian)(dian)視(shi)機(ji)(ji)、顯示器、計算(suan)機(ji)(ji)及(ji)空(kong)(kong)調等消(xiao)費類市(shi)場；工(gong)業類鋁(lv)(lv)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)器主要用于(yu)工(gong)業和通訊電(dian)(dian)(dian)(dian)(dian)源、專業變頻器、數控和伺服系統、風力發電(dian)(dian)(dian)(dian)(dian)及(ji)汽車等工(gong)業領域；特(te)種鋁(lv)(lv)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)器主要應用于(yu)軍事、航空(kong)(kong)航天以及(ji)其他(ta)特(te)殊領域。

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，而固態電容的介電材(cai)料(liao)則為導電性高(gao)分子。

由于(yu)固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)容采用(yong)導電(dian)(dian)(dian)(dian)性高分(fen)子產(chan)(chan)(chan)品(pin)作(zuo)為介電(dian)(dian)(dian)(dian)材(cai)料(liao)，該材(cai)料(liao)不會與氧化鋁產(chan)(chan)(chan)生(sheng)作(zuo)用(yong)，通電(dian)(dian)(dian)(dian)后不致于(yu)發(fa)生(sheng)爆(bao)炸的(de)現象；同時(shi)它為固(gu)(gu)態(tai)產(chan)(chan)(chan)品(pin)，自然也就(jiu)不存在由于(yu)受熱膨脹導致爆(bao)裂的(de)情況了。固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)容具備環保、低阻抗、高低溫(wen)穩定(ding)、耐高紋波及(ji)高信賴度等(deng)優越特(te)性，是(shi)目前(qian)電(dian)(dian)(dian)(dian)解電(dian)(dian)(dian)(dian)容產(chan)(chan)(chan)品(pin)中最高階的(de)產(chan)(chan)(chan)品(pin)。由于(yu)固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)容特(te)性遠優于(yu)液(ye)態(tai)鋁電(dian)(dian)(dian)(dian)容，固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)容耐溫(wen)達260度，且(qie)導電(dian)(dian)(dian)(dian)性、頻(pin)率(lv)特(te)性及(ji)壽(shou)命均佳，適用(yong)于(yu)低電(dian)(dian)(dian)(dian)壓、高電(dian)(dian)(dian)(dian)流的(de)應用(yong)，主要應用(yong)于(yu)數字產(chan)(chan)(chan)品(pin)如薄型DVD、投影機及(ji)工業計算機等(deng)，近年(nian)來也被電(dian)(dian)(dian)(dian)腦板(ban)卡產(chan)(chan)(chan)品(pin)廣泛使用(yong)。