Carbon xerogels graphitized by microwave heating as anode materials in lithium-ion batteries

被引：47

作者：

Canal-Rodriguez, M. ^{[1
]}

Arenillas, A. ^{[1
]}

Menendez, J. A. ^{[1
]}

Beneroso, D. ^{[2
]}

Rey-Raap, N. ^{[3
]}

机构：

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

[2] Univ Nottingham, Fac Engn, Dept Chem & Environm Engn, Nottingham NG7 2RD, England

[3] Univ Porto, Fac Engn, Dept Engn Quim, Associate Lab LSRE LCM, R Dr Roberto Frias S-N, P-4200465 Porto, Portugal

来源：

CARBON | 2018年 / 137卷

关键词：

CATALYTIC GRAPHITIZATION; RESORCINOL-FORMALDEHYDE; ACTIVATED CARBON; ELECTROCHEMICAL PERFORMANCE; ELECTRICAL-CONDUCTIVITY; MESOPOROUS CARBONS; THERMAL-TREATMENT; SURFACE-AREA; POROSITY; CARBONIZATION;

D O I：

10.1016/j.carbon.2018.05.045

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：

An easy method to prepare carbon xerogels with tailored porous properties and high degree of graphitization is reported. A pristine carbon xerogel was obtained by microwave-assisted synthesis, which was then transformed into a graphitic carbon also via microwave heating. Graphitized carbon materials were obtained by using different microwave power densities and processing times, these parameters enabling the control of both the microporosity and the degree of graphitization of the initial carbon xerogel. This simple method has been found to improve the electrical conductivity of the pristine carbon xerogel up to 90%. The prepared graphitized materials were also evaluated as anode materials in lithium-ion batteries, resulting in stable cycle performances with specific capacities 70% higher than that of raw carbon xerogels. (c) 2018 Elsevier Ltd. All rights reserved.

引用

页码：384 / 394

页数：11

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