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蓄電池鉛粉的特性 |
| 出于對鉛酸蓄電池經(jīng)濟與技術(shù)方面的考慮，今天世界鉛酸蓄電池工業(yè)幾乎全部應(yīng)用氧化鉛粉作涂膏式極板與管式極板�；镜奈锢砘瘜W(xué)性質(zhì)都與氧化鉛粉的屬性有關(guān)：a . PbO （氧化鉛）所含的晶體變種（晶體類型）; b ．化學(xué)組成．c ．密度（真實密度、搗實密度、視密度）; d ．吸水量與吸酸值；e ．粒徑大小與分布；f ．比表面積；9 ．孔隙度；h ．原料鉛純度與摻雜。 上述參數(shù)對控制生產(chǎn)過程的某些特性是重要的。主要目的是得到性能穩(wěn)定的適合各個工藝過程與制造工序所必需的特性（化學(xué)組成、視密度、酸值及吸水量），另外一些特性（鉛粉的晶體變種、粒子大小、孔隙度、比表面），對電池的壽命、容量產(chǎn)生直接影響并對電池性能產(chǎn)生最終影響。 測定鉛粉特性相當(dāng)重要，特別是對樣品分析的可重復(fù)性。在大量樣品中取樣，在分析前必須考慮會改變鉛粉性狀的因素，比如鉛粉樣品暴露在大氣中或潮濕氣體里是不合適的。 Proceed from sour storage battery economy and the consideration of technique to the lead, the lead sour storage battery industry in world almost and all applies to oxidize ceruse to make the apply ointment type pole plank and the tube type pole plank today.The basic physical chemistry properties all have something to do with oxidizing the attribute of ceruse:a .The crystal mutation(crystal type) contained by PbO(plumbic oxide);B.the chemistry constitute. c.density;(true density and Dao solid density, see density)D.absorb water quantity with absorb a sour value;E.grain path size with distribute;F.accumulate than the surface;9.hole degree;H.raw material lead pure degree with blend. The above-mentioned parameter is important to some characteristics of control production line.Main purpose is get a function stability of suit each craft process and manufacturing work preface the essential characteristic(the chemistry constitute, sees a density, sour value and absorbs water quantity), moreover some characteristics(the sub- size, hole degree of the crystal mutation, grain of ceruse, ratio surface), directly influence to combine to produce the end influence on battery function to the life span, capacity creation of battery. Measurese ceruse characteristic equal importance, especially analyze to the sample of re-usable.Take a sample in a great deal of sample, at analytical ex- have to consider the factor that will change a ceruse form, for example the ceruse sample exposes in the atmosphere or isn't suitable in damp air. |
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