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關(guān)于蓄電池正極板添加劑 |
| 目前對正極添加劑使用方面相當(dāng)慎重，成熟的發(fā)孔劑有SiO2、K2SO4海泡石粉（精制白蟹）等，一般用量0.02％-0.1％。導(dǎo)電劑有石墨、碳纖維等，用量在0.1%-0.3%范圍。最新采用鍍錫的微珠玻璃，既發(fā)孔又導(dǎo)電，效果顯著。這些添加劑，特別是負(fù)極膨脹劑，其中有機(jī)膨脹劑在鉛青中會對鉛膏相組成產(chǎn)生影響�；钚晕镔|(zhì)的脫落是可以抑制的，采用強(qiáng)化劑與完善固化工藝可以實現(xiàn)。但必須注意負(fù)極膨脹劑硫酸鋇絕對不容許混人正極，因為PbO2的結(jié)構(gòu)在硫酸鋇存在下會迅速被破壞。 Use aspect equal circumspect to the cathode additive currently, the mature hair bore has SiO2, and the K2 SO4 sea bubble stone powder(is refined white crab)...etc., general the dosage is 0.02%-0.1%.Conduct electricity to there are graphite, and carbon fiber...etc., the dosage is in 0.1%-0.3% scopes.Lately adopt tin-plating tiny bead glass, since the hair bore conducts electricity again, the effect shows Zhao.These additive, especially anode inflation, among them, the organic inflation is green in the lead in will mutually constitute creation influence to the lead cream.The sheding off of activity material can repress, the adoption enhances and perfect solid chemical engineering skill to carry out.But have to notice an anode inflation the sulfuric acid barium absolutely allow of no Xu Hun Ren's cathode, because the structure of the PbO2 exists in the sulfuric acid barium under will quickly be broken. |
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