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蓄電池板柵耐腐性能 |
| 鉛基合金的微觀結(jié)構(gòu)是單個晶體粒子的普通組合，可看做是蓄電池鉛中含有“雜質(zhì)”（變晶劑）的固溶體。包括共晶網(wǎng)圍住的基本鉛固溶體晶體的枝狀物，存在著很多相與內(nèi)界面，因而有很多不同的機(jī)理。 當(dāng)蓄電池正極在極化時（充電時）就發(fā)生陽極極化，就有兩個電化學(xué)步驟發(fā)板柵合金的另一個屬性一一板柵表面與活性物質(zhì)的機(jī)械接觸與電接觸。這種接觸可以通過添加某種元素（添加劑）取得有效結(jié)果，而且添加元素產(chǎn)生的氧化產(chǎn)物不會增加腐蝕層中的電阻，也不應(yīng)使活性物質(zhì)鈍化；此外板柵表面對活性物質(zhì)需要有良好的貓合作用，并能長期保持這種貓合作用。 The tiny view structure of the lead radicle metal alloy is list the common combination of the crystal grain son, can see do is that there are"impurities"(become crystal) in the storage battery lead of solid dissolve a body.Include the totally crystal net surrounds of the basic lead is solid to dissolve a body of the -like in shape thing of crystal, exist a lot of mutually with inside interface, as a result have much different mechanism. When the storage battery cathode turns in the pole(refresh) take place the anode turn very much, have two electricity chemistry steps the hair the machine contact and electricity contact of 11 the plank grid surface and activity materials of another attribute of the plank grid metal alloy.This contact can pass to add a certain chemical element(additive) to obtain effectively as a result, and add an oxidizing of chemical element creation outcome can't increase to decay the electric resistance in the layer and should not make live material bluntness turn, either;In addition plank grid the surface need to have a good cat cooperation to use to the live material, and can keep this kind of cat cooperation to use over a long period of time. |
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