Modification of carbon anode of lithium ion secondary battery
Wu, YP; Fang, SB; Jiang, YY; Wan, CR
AbstractCarbonaceous materials based upon melamine resin and doped with phosphorous were obtained by heat-treatment and were analyzed by elemental analysis, XPS and XRD. The results showed that the addition of phosphoric acid did not affect severely the content of nitrogen, but greatly affected the relative content of graphene nitrogen. The addition favors the increase of reversible lithium capacity. The addition of phosphoric acid resulted in a decrease of carbonization degree at lower temperature (600 degrees C) and no much changes at higher temperatures (800 degrees C). The phosphorous added the dispersed homogeneously in the carbon materials and bonded not only with oxygen atom but also with the carbon structure, and the later bond was strengthened at higher temperature. All these factors lead to the changes of reversible capacity. At lower temperature, the reversible capacity below 0.9 V decreased with the amount of added phosphoric acid, while at higher temperature, the reversible capacity about 0.9 V increased. The reversible capacity of the carbon obtained in this work can reach 516 mA.h.g(-1).
KeywordLithium Ion Secondary Battery Carbon Anode Modification Melanine Resin Phosphoric Acid
Indexed BySCI
WOS IDWOS:000079017500008
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorWu, YP
Affiliation1.Tsinghua Univ, Inst Nucl Energy Technol, Beijing 102201, Peoples R China
2.Chinese Acad Sci, Inst Chem, Beijing 100080, Peoples R China
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GB/T 7714
Wu, YP,Fang, SB,Jiang, YY,et al. Modification of carbon anode of lithium ion secondary battery[J]. ACTA PHYSICO-CHIMICA SINICA,1999,15(2):133-137.
APA Wu, YP,Fang, SB,Jiang, YY,&Wan, CR.(1999).Modification of carbon anode of lithium ion secondary battery.ACTA PHYSICO-CHIMICA SINICA,15(2),133-137.
MLA Wu, YP,et al."Modification of carbon anode of lithium ion secondary battery".ACTA PHYSICO-CHIMICA SINICA 15.2(1999):133-137.
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