巴黎澳门人娱乐网站——三十年激光粒度仪厂家,高新技术企业, 颗粒测试领域上市企业。

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中文  ▏ENGLISH

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电池应用

以石墨为例

  在锂电池材料中,负极材料是决定电池性能的关键。石墨粉是锂电池的理想负极材料,其中天然石墨粉以其来源丰富、价格低廉,经过改性处理后具有优良的使用性能和强劲的市场竞争力,在商品化锂电池负极中得到了广泛的应用。

  作为一种高结晶度的石墨材料,天然石墨粉的粒度大小对锂电池的初始充放容量有较大的影响。现今全球的石墨材料颗粒度最高制造水平为3um以内。但颗粒度小了之后,相对的抗折强度就会大大下降,第一生产时电极内部会产生裂纹,第二在高温使用下会产生折断现象,影响石墨使用寿命。所以大规格的石墨电极一般不会采用小颗粒。综上如何准确分析出石墨粉体的粒度分布是生产厂家和用户关心的问题。为了改善颗粒分布情况和控制颗粒粒径,可通过激光粒度进行检测。

案例

  河北联冠电极股份有限公司,是科研、生产、销售为一体的专业炭素产品制造企业,中国炭素行业协会理事单位。公司研发成功了矿热冶炼用“高强高石墨炭素电极”“铁合金冶炼专用炭电极”等新产品。

  炭电极是以电煅无烟煤、石油焦、石墨碎、煤沥青等为主要原料,经配料、成型、焙烧、机械加工而成的炭质导电材料,是一种新型节能环保材料。产品系列中冶金有、化工专用制作石墨管件的“细颗粒特种石墨”。

  公司采用济南巴黎澳门人娱乐网站仪器研发、生产的Winner2000E湿法激光粒度仪进行石墨粒度的测试。此款仪器性价比极高,粒径十余年的考验,经过数次技术改进,结果已十分成熟,且测试稳定性好,顺应了石墨市场需求,是石墨相关粒度测试的得力搭档和得力助手。

这里是占位文字

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