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http://dx.doi.org/10.5012/bkcs.2014.35.8.2357

High-Performance Soft Carbons Prepared by Treatment with Various Phosphorus Acids  

Jeong, Seong Hun (Department of Chemical Engineering, Korea University of Technology and Education (KOREATECH))
Koh, Jeong Yoon (Department of Chemical Engineering, Korea University of Technology and Education (KOREATECH))
Kim, Tae Jeong (Department of Chemical Engineering, Korea University of Technology and Education (KOREATECH))
Jung, Yongju (Department of Chemical Engineering, Korea University of Technology and Education (KOREATECH))
Publication Information
Abstract
Phosphorus-doped soft carbons were successfully prepared by carbonizing petroleum cokes treated with phosphorus acids, such as $H_3PO_2$, $H_3PO_3$, and $H_3PO_4$. The effect of the type of phosphorus acids used on the composition, structure, and electrochemical performance of the soft carbons was extensively investigated. The soft carbons modified with $H_3PO_3$ and $H_3PO_4$ exhibited dramatically improved reversible capacities and outstanding rate capabilities.
Keywords
Soft carbons; Phosphorus acid; Reversible capacities; Rate capabilities;
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