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nandhutu金虫 (正式写手)
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1.Methyltrimethoxysilane of 2 ml ( purity>98%), 5 ml of distilled water and 0.1 ml of HCl (BDH，37%) or 0.1 ml of ammonium hydroxide (Merck, 25%) were mixed with agitation to produce the gelation medium. 2.As the silica gel obtained is chemically inert to lithium insertion, an estimate of its content was essential for subsequent calculations. The total weight of a dry glass beaker and a magnetic stirrer was determined before the reagents were mixed. 3.The test cells were discharged and charged at 20℃between 0.005 and 1.5 V (versus Li/Li+) at a constant current density of 0.2 mA cm-2 for the first three cycles, followed by 0.5 mA cm-2 for the next 30 cycles. |
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longhua7085
至尊木虫 (著名写手)
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2楼2009-05-24 10:18:35
longhua7085
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nandhutu(金币+3,VIP+0): 5-24 16:29
nandhutu(金币+3,VIP+0): 5-24 16:29
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3.The test cells were discharged and charged at 20℃between 0.005 and 1.5 V (versus Li/Li+) at a constant current density of 0.2 mA cm-2 for the first three cycles, followed by 0.5 mA cm-2 for the next 30 cycles. 测试电池在20℃时进行充放电，电压范围为0.005~1.5V（相对 Li/Li+），前三个周期恒定电流密度为0.2mA cm-2，后30个周期变为0.5mA cm-2。 |
3楼2009-05-24 10:25:39
longhua7085
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nandhutu(金币+3,VIP+0): 5-24 16:30
nandhutu(金币+3,VIP+0): 5-24 16:30
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2.As the silica gel obtained is chemically inert to lithium insertion, an estimate of its content was essential for subsequent calculations. The total weight of a dry glass beaker and a magnetic stirrer was determined before the reagents were mixed. 由于得到的硅胶相对于嵌锂是化学惰性的，所以估计其含量对后面的计算是必不可少的。反应物在混合之前应先确定干燥的玻璃烧杯和磁力搅棒的总重量。 |
4楼2009-05-24 10:31:42