Graphitized Carbon Xerogels for Lithium-Ion Batteries

被引：7

作者：

Canal-Rodriguez, Maria ^{[1
]}

Arenillas, Ana ^{[1
]}

Villanueva, Sara F. ^{[1
]}

Montes-Moran, Miguel A. ^{[1
]}

Angel Menenedez, J. ^{[1
]}

机构：

[1] Inst Nacl Carbon INCAR CSIC, Francisco Pintado Fe 26, Oviedo 33011, Asturias, Spain

来源：

MATERIALS | 2020年 / 13卷 / 01期

关键词：

carbon xerogels; graphitization; graphene; lithium-ion batteries; SURFACE-AREA; ELECTRICAL-CONDUCTIVITY; RATE PERFORMANCE; ANODE MATERIALS; GRAPHENE OXIDE; POROUS CARBON; POROSITY; ELECTRODES; OPTIMIZATION; REDUCTION;

D O I：

10.3390/ma13010119

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

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.

引用

页数：15

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