Influence of the C/Sn Ratio on the Synthesis and Lithium Electrochemical Insertion of Tin-Supported Graphite Materials Used as Anodes for Li-Ion Batteries

Table 1

Reversible theoretical and experimental capacities of the C/Sn = 42, C/Sn = 24, and C/Sn = 16 nanocomposites.

Materials composition			Reversible capacities calculated from elemental analyses (mAhg^−1)			Reversible capacities calculated from electrochemical curves (mAhg^−1)
Initial C/Sn ratio	Experimental C/Sn ratioa		Total	Graphite	Tin	Total	Graphite	Tin
12	42	Cycle 1	453	279	175	455	285	170
		Cycle 20	453	279	175	478	321	157
8	24	Cycle 1	497	260	237	430	228	202
		Cycle 20	497	260	237	420	240	180
5	16	Cycle 1	550	208	342	450	243	207
		Cycle 20	550	208	342	428	245	182

aDetermined from elemental analysis.