Journal
MATERIALS
Volume 13, Issue 1, Pages -Publisher
MDPI
DOI: 10.3390/ma13010119
Keywords
carbon xerogels; graphitization; graphene; lithium-ion batteries
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Funding
- Ministerio de Economia, Industria y Competitividad from Spain [CTQ2017-87820-R]
- Principado de Asturias-FICYT-FEDER [PCTI-Asturias IDI/2018/000118]
- CSIC [I.E. 201880E010]
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Carbon xerogels with different macropore sizes and degrees of graphitization were evaluated as electrodes in lithium-ion batteries. It was found that pore structure of the xerogels has a marked effect on the degree of graphitization of the final carbons. Moreover, the incorporation of graphene oxide to the polymeric structure of the carbon xerogels also leads to a change in their carbonaceous structure and to a remarkable increase in the graphitic phase of the samples studied. The sample with the highest degree of graphitization (i.e., hybrid graphene-carbon xerogel) displayed the highest capacity and stability over 100 cycles, with values even higher than those of the commercial graphite SLP50 used as reference.
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