High performance anode of lithium-ion batteries derived from an advanced carbonaceous porous network
High performance anode of lithium-ion batteries derived from an advanced carbonaceous porous network
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来自先进碳质多孔网络的高性能锂离子电池负极
DOI：
10.1016/j.jallcom.2016.09.192
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发表时间：
2017-02
影响因子：
6.2
通讯作者：
Yue Chen
中科院分区：
文献类型：
--
作者：
Xiaoqing Yang;Chao Wei;Chengcui Sun;Xinxi Li;Yue Chen
Constructing sufficient micropores and small mesopores for Li+storage while maintaining a developed hierarchical macro/mesoporous structure for rapid mass transfer are critical for porous carbons in lithium-ion battery (LIB) applications. Herein, a new kind of hierarchical macro–meso–microporous carbon with high surface area (HSHPC) for LIB application is successfully fabricated by using a porous network structured polymer as a precursor. The as-prepared HSHPC presents a 3D continuous macro/mesopore structure and ultrahigh surface area of 2602 m2g−1. As a result, it exhibits a high specific capacity of 660 mAh g−1and stable cycling performance during 100 cycles at a current density of 0.1 A g−1. Furthermore, the ideal macro/mesoporous network is able to guarantee rapid ion diffusion and transfer, thus attaining an excellent high-rate performance in contrast to graphite.
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DOI：
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期刊：
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