Facile fabrication of polyacrylonitrile-derived porous carbon beads via electron beam irradiation as anode materials for Li-ion batteries

被引：10
作者：
Lee, Byoung-Min [1 ]
Umirov, Nurzhan [2 ]
Lee, Jang-Yong [1 ]
Lee, Jae-Young [2 ]
Choi, Beom-Seok [1 ]
Hong, Sung-Kwon [1 ]
Kim, Sung-Soo [2 ]
Choi, Jae-Hak [1 ]
机构：
[1] Chungnam Natl Univ, Dept Polymer Sci & Engn, 99 Daehak Ro, Daejeon 34134, South Korea
[2] Chungnam Natl Univ, Grad Sch Energy Sci & Technol, 99 Daehak Ro, Daejeon 34134, South Korea
来源：
INTERNATIONAL JOURNAL OF ENERGY RESEARCH | 2021年 / 45卷 / 06期
关键词：
anode; electron beam irradiation; Li-ion battery; polyacrylonitrile; stabilization;
D O I：
10.1002/er.6479
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
In this study, porous carbon beads (PCBs) as an anode material for Li-ion batteries (LiBs) were prepared from polyacrylonitrile (PAN) via electron beam irradiation (EBI). Porous PAN beads (PPBs) were irradiated with electron beams, stabilized under the optimized conditions, and finally carbonized to produce PCBs. EBI was introduced to shorten the conventional thermal stabilization. The results of N-2 physisorption measurement revealed that the PCBs had hierarchical pore structures. The PCB-based anodes exhibited an initial reversible capacity of 387 mAh g(-1) at 0.2 C and a high capacity retention of 83.2% after 200 cycles. Therefore, the PCBs prepared via EBI are promising anode material for LiBs.
引用
收藏
页码：9530 / 9540
页数：11
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