鎳氫拼音讀法是nie qing，也被叫金屬氫化物，被人們接觸了解是通過鎳氫電池發明應用開始的，鎳氫的化學分子式是Ni（OH）₂，是作為鎳氫電池正極的材料。

目(mu)前鎳(nie)氫(qing)材料主(zhu)要(yao)應用來(lai)做圓柱(zhu)(zhu)形(xing)鎳(nie)氫(qing)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)和(he)新能源鎳(nie)氫(qing)燃料電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)，而生活中最(zui)常(chang)見(jian)的是(shi)圓柱(zhu)(zhu)形(xing)鎳(nie)氫(qing)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)。圓柱(zhu)(zhu)形(xing)鎳(nie)氫(qing)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)有(you)(you)比(bi)較(jiao)多(duo)的型號和(he)叫(jiao)法，比(bi)如生活中常(chang)見(jian)的7號電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)（aaa）、5號電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)（aa）、4號電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)和(he)D型電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)等(deng)，很(hen)(hen)大一(yi)部(bu)分是(shi)屬(shu)于鎳(nie)氫(qing)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)的，當(dang)然有(you)(you)部(bu)分是(shi)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)，但(dan)是(shi)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)污染比(bi)鎳(nie)氫(qing)嚴重(zhong)很(hen)(hen)多(duo)，所以未來(lai)鎳(nie)氫(qing)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)完全代(dai)替干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)是(shi)趨(qu)勢，目(mu)前之所以沒有(you)(you)完全代(dai)替，主(zhu)要(yao)是(shi)因(yin)為(wei)鎳(nie)氫(qing)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)比(bi)干(gan)(gan)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)或鎳(nie)鎘電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)要(yao)貴(gui)些。但(dan)是(shi)環(huan)保發展政策(ce)的要(yao)求，鎳(nie)氫(qing)電(dian)(dian)池(chi)(chi)(chi)(chi)(chi)(chi)(chi)代(dai)替它(ta)們只是(shi)時間問題。

下面(mian)來看看一(yi)些圓(yuan)柱形鎳氫(qing)電池產品圖吧(ba)：

至于鎳(nie)氫(qing)燃料電池一(yi)般比(bi)較(jiao)大(da)，技術也還(huan)不(bu)是(shi)很(hen)成熟，所以(yi)目前(qian)還(huan)處在研發階段，距離在新能源汽車或其他工業電源備用領域還(huan)有一(yi)段比(bi)較(jiao)遠的路(lu)。

鎳(nie)氫(qing)材(cai)料制作的鎳(nie)氫(qing)電(dian)池(chi)(chi)(chi)可以實現低自放電(dian)性(xing)能，比如(ru)格瑞普(pu)電(dian)池(chi)(chi)(chi)生(sheng)產制造的低自放電(dian)鎳(nie)氫(qing)電(dian)池(chi)(chi)(chi)，電(dian)池(chi)(chi)(chi)出(chu)廠后在(zai)按(an)規定(ding)下存儲一年后仍然有原來電(dian)池(chi)(chi)(chi)容量的70%這樣。這是其他(ta)電(dian)池(chi)(chi)(chi)比不了(le)的。