新型多孔炭的制备及其储锂性能

doi:10.19964/j.issn.1006-4990.2021-0754

无机盐工业 ›› 2022, Vol. 54 ›› Issue (9): 85-89.doi: 10.19964/j.issn.1006-4990.2021-0754

新型多孔炭的制备及其储锂性能

刘金杭¹(),杨志鹏¹,陈修栋^1,²(),罗宇轩¹,余浪华¹,汪亚威¹,占昌朝^1,³,曹小华¹

1.九江学院化学化工学院, 江西九江 332005
2.江西省生态化工工程技术研究中心
3.九江市有机硅化学与应用重点实验室

收稿日期:2022-01-08 出版日期:2022-09-10 发布日期:2022-09-22
作者简介:刘金杭（1985— ），男，博士，讲师，主要从事储能材料和理论计算研究；E-mail:429162235@qq.com。
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

LIU Jinhang¹(),YANG Zhipeng¹,CHEN Xiudong^1,²(),LUO Yuxuan¹,YU Langhua¹,WANG Yawei¹,ZHAN Changchao^1,³,CAO Xiaohua¹

1. School of Chemistry and Chemical Engineering, Jiujiang University, Jiujiang 332005, China
2. Jiangxi Province Engineering Research Center of Ecological Chemical Industry
3. Jiujiang Key Laboratory of Organosilicon Chemistry and Application

Received:2022-01-08 Published:2022-09-10 Online:2022-09-22

摘要/Abstract

摘要：

以竹笋为原料炭化获得生物质炭，再用氢氧化钾活化得到多孔生物质炭，采用扫描电镜（SEM）、透射电镜（TEM）、X射线衍射（XRD）和氮气物理吸附等方法对多孔生物质炭的微观结构和形貌进行了表征。以此多孔生物质炭作负极材料探究其电化学性能，结果表明在1 000 mA/g电流密度下，材料的首次充电比容量为286.9 mA·h/g，循环50次后充电比容量保持在201.8 mA·h/g，循环500次后充电比容量仍有221.5 mA·h/g，表明此多孔炭材料具有优良的电化学循环性能，使其有望成为具有竞争力的锂电池负极材料。

关键词: 生物质材料, 多孔炭, 负极材料, 锂离子电池

Abstract:

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

中图分类号:

TQ15

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.

LIU Jinhang,YANG Zhipeng,CHEN Xiudong,LUO Yuxuan,YU Langhua,WANG Yawei,ZHAN Changchao,CAO Xiaohua. Preparation of new porous carbon and its lithium storage performance[J]. Inorganic Chemicals Industry, 2022, 54(9): 85-89.

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