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UPS阀控密封电池先进设计型AGM隔板 |
| UPS阀控密封铅酸蓄电池电解液支撑体系分胶体技术用胶体、吸附式玻纤两大类。其中AGM 在发展，开发AGMS （超细玻纤棉）由硼硅玻璃为原料，通过火焰拉丝，其单丝直径0.25-4um 范围。这种玻纤具有坚实性与柔性，可以通过造纸方法湿式铺层生产片式材料。超细玻纤棉的微孔结构与对酸接触角为零，所以它具有较高的芯吸作用。 先进设计的AGM 有“活性物质”（促进氧扩散与传送）与“板栅结构”（极好的拉伸强度）的特点，以下是先进设计AGM 的要求。① 表面积表面积直接影响电池寿命与电池性能的主要参数。表面积与孔的大小有关，通常孔越小表面积越大，表面积涉及对强度的影响，AGM 应有一定强度，才能确保电池寿命。强度与表面积及厚度有关．作为技术进步及越来越多的经验积累认为表面积不能太强调，向较小表面积趋势的走向。由当前1.1 ② 可压缩性组装电池的压缩比是一个重要参数，压缩比不应低于10 % ，也不能过高大于40％，这样会损坏AGM ，使其不能恢复弹性，湿态时压缩比会降低，AGM 收缩，所以干态压缩比应有更高的压缩。 ③ 隔板厚度选择薄隔板对高率放电的电池更合适，对于低率放电的电池，储存电解液尽可能多一点，要求隔板厚一点。对起动型（SLI ) 电池AGM 厚度是正极厚的1-1.5 倍。 ④ 隔板的渗透性AGM （或AGMs ）的渗透性对电解液“分层”现象的发生至关重要。在富液式电池里，由于充电析气的搅拌作用能使电解液分层现象得以消除。对于阀控密封铅酸蓄电池电解液“贫”化，AGM 的渗透力值越低越优异，通常AGM 渗透力值为2 一10 达西（Darcy )（多孔介质渗透力值单位）。渗透力是一个参数，是测量物质对牛顿流体的阻量大小，并以此计算孔结构，不同粗细玻纤组成的AGM （或AGMs ）中细纤维含量多，AGM 才有更多的优点。 The valve controls to seal completely sour storage battery electrolyte of lead to prop up system a gum body technique for cent is used gum body and the adsorb type Bo Xian is two major types.Among them in the development, AGM's development AGMS(super thin cotton of Bo Xian) is been a raw material by the glass of Peng Huo, pulls silk through a flame, it list the silk diameter 0.25-4 um scope.This kind of Bo Xian has solid with gentle, can spread through a wet type of deckle method the 1 F production slice type material.The tiny bore structure of super thin cotton of Bo Xian and to sour contact Cape is zero, so it has higher Xin to absorb a function. AGM of advanced design has "live material"(promote oxygen proliferation and transmission) with the characteristics of "plank grid structure"(best pull to stretch strength), is the request that the forerunner designs AGM as follows.①The surface accumulates the main parameter that the surface accumulates direct influence battery life and battery function.The surface accumulates to relate to the size of bore, usually the bore more small surface accumulates more big, the surface accumulates to involve the influence to the strength, AGM should have certain strength, so as to ensure battery life.The strength has something to do with surface accumulating and thickness. is technique progress and more and more experience backlogs to think that the surface accumulates to emphasize too much, toward the alignment that smaller surface accumulates trend.From current 1.1-1.3 ms 2| gs is 2| g developments to the 0.79-0.9 ms, however the surface accumulates decrease will also invite strength to lower, insulate sex to lower, the "the anti- lead wears a sting" dint lowers.The trend that Gao surface accumulates should be commendable, Gao surface accumulates to bear high pressure for assembling battery to shrink a ratio and consumedly improves battery circulating life span.The surface accumulates to still influence Xin to absorb the velocity that the function carries on.The AGM(or AGMS) Xin that the low surface accumulates absorbs the velocity that the function carries on Gao, but the Xin absorbs height limited, still recommend an use to Gao Xing's battery Gao the surface accumulate AGM. ②Condensability sex assembles the compression of battery than is an important parameter, compress compare don't should be lower than 10%, also can not lead is higher big than 40%, will damage AGM like this, it can not resume flexibility, wet Tai compress than will lower, AGM constringency, so stem Tai compression than should have higher compression. ③Separate plank thickness to choose thin separate the battery that the plank turns on electricity to Gao Lu more suitable, battery turn on electricity to the low rate, store electrolyte possibly more, request that separating plank is a little bit thicker.To start the type(SLI) battery AGM thickness is a cathode thick of 1-1.5 times. ④Separate knothole to permeate permeating of sex AGM(or AGMs)'s sex to the taking place of the electrolyte"layering" phenomenon is to the pass importance.At rich liquid type battery in, because of refresh the agitation function of Xi spirit can make electrolyte layering the phenomenon can get rid of.Control to seal completely sour storage battery electrolyte"poverty" of lead to turn to the valve, permeating of AGM the dint value is more low more excellent, usually AGM permeates dint to be worth to 2 a 10 reach west(Darcy).(many bores lie quality to permeate a dint value unit)Permeating the dint is a parameter, is measure the material has great capacity to the Zu of Newton's fluid small, and computes bore structure with this, the dissimilarity thick thin Bo Xian constitutes of the thin fiber content in AGM(or AGMs) is many, AGM just has more advantages. |
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