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A ζ-potential behavior of close to zero in high pH solutions is observed when carbons and carbides are treated with acetone and ultra-pure water in turn in order to improve the wetting of samples. The abnormal ζ-potential behavior can not be explained by the view of the dissociation of acidic functional groups, but could be accounted for by the effect of H 2 O and atmospheric CO 2 ...
We prepared Sn particles dispersed carbons by pyrolysis of pitch containing various organotin compounds, i.e. tetra-n-butyltin, poly(di-n-butyl(maleate)tin, tetrakis(diethylamino)tin, di-n-butyltin sulfide, poly(di-n-butyltin) and poly(di-n-butyltinoxide), and investigated the characteristics of the carbons and Li ions discharge and charge capacities. The crystallinity of the carbons decreased and...
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