新型多孔炭的制备及其储锂性能
收稿日期: 2022-01-08
网络出版日期: 2022-09-22
基金资助
国家自然科学基金(22065017);江西省自然科学基金(20202BABL213012);江西省教育厅科技项目(GJJ211801);大学生创新创业计划项目(202111843004);九江市科技计划项目(S2021QNZZ020)
Preparation of new porous carbon and its lithium storage performance
Received date: 2022-01-08
Online published: 2022-09-22
刘金杭 , 杨志鹏 , 陈修栋 , 罗宇轩 , 余浪华 , 汪亚威 , 占昌朝 , 曹小华 . 新型多孔炭的制备及其储锂性能[J]. 无机盐工业, 2022 , 54(9) : 85 -89 . DOI: 10.19964/j.issn.1006-4990.2021-0754
Bamboo shoots were used as raw material to carbonize to obtain biomass charcoal，and then activated with KOH to obtain porous biomass charcoal.The microstructure and morphology of porous biomass charcoal were characterized by scanning electron microscope（SEM），transmission electron microscope（TEM），X-ray diffraction（XRD） and physical adsorption of nitrogen，etc.By using this porous biomass carbon as a anode material to explore its electrochemical performance，the results showed that at a current density of 1 000 mA/g，the first?round charging specific capacity was 286.9 mA·h/g，and after 50 cycles，the charging specific capacity remained at 201.8 mA·h/g.After 500 cycles，the charging specific capacity was still 221.5 mA·h/g，indicating that the porous carbon material had excellent electrochemical cycling performance，making it a promising anode material for lithium batteries.
Key words： biomass material; porous carbon; anode material; lithium ion battery
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