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硅酸硅酸钠为粘结剂热电池正极薄膜的制备(3)
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摘要:(1)制备FeS2正极薄膜使用硅酸/硅酸钠混合物作为粘结剂时粘结效果更好; (2)正极薄膜中FeS2粉末球磨24 h,粘结剂的添加量(质量分数)为15%,导电剂选用碳纳
(1)制备FeS2正极薄膜使用硅酸/硅酸钠混合物作为粘结剂时粘结效果更好;
(2)正极薄膜中FeS2粉末球磨24 h,粘结剂的添加量(质量分数)为15%,导电剂选用碳纳米管且添加质量分数为1%时单体电池的放电性能更好;
(3)通过单体电池放电测试可知,薄膜工艺可以使正极材料中活性物质的比容量明显提高,截止放电电压1.5 V时,薄膜工艺制备的正极单体电池中的活性物质的比容量为317.24 mAh/g,粉末工艺制备的正极单体电池中活性物质的比容量为210.85 mAh/g。
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文章来源:《硅酸盐学报》 网址: http://www.gsyxbzz.cn/qikandaodu/2021/0502/498.html
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