Ni催化制备纤维素基石墨化材料的研究

doi:10.3969/j.issn.0253-2417.2017.04.004

林产化学与工业 ›› 2017, Vol. 37 ›› Issue (4): 30-34.doi: 10.3969/j.issn.0253-2417.2017.04.004

Ni催化制备纤维素基石墨化材料的研究

陈超, 蒋剑春, 孙康, 卢辛成, 朱光真, 贾羽洁

中国林业科学研究院林产化学工业研究所;生物质化学利用国家工程实验室;国家林业局林产化学工程重点开放性实验室;江苏省生物质能源与材料重点实验室, 江苏南京 210042

收稿日期:2016-11-16 出版日期:2017-08-25 发布日期:2017-09-02
通讯作者: 蒋剑春,研究员,博士,博士生导师,主要从事生物质能源和炭材料的研究开发工作;E-mail:bio-energy@163.com E-mail:bio-energy@163.com
作者简介:陈超(1985-),男,湖南道县人,助理研究员,硕士,主要从事炭材料研究与应用工作;E-mail:cc1985_1019@126.com
基金资助:
中国林科院中央级公益性科研院所基本科研业务费专项资金（CAFYBB2014QA024）

Preparation of Cellulose-based Graphitized Material Catalyzed by Ni

CHEN Chao, JIANG Jianchun, SUN Kang, LU Xincheng, ZHU Guangzhen, JIA Yujie

Institute of Chemical Industry of Forest Products, CAF;National Engineering Lab. for Biomass Chemical Utilization;Key and Open Lab. of Forest Chemical Engineering, SAF;Key Lab. of Biomass Energy and Material, Jiangsu Province, Nanjing 210042, China

Received:2016-11-16 Online:2017-08-25 Published:2017-09-02

摘要/Abstract

摘要： 以纤维素为原料，经过炭化后在Ni的催化作用下制得了石墨化材料。通过X射线衍射（XRD）、拉曼光谱和高分辨率透射电镜（HRTEM）确定了最优反应条件。结果表明：在反应温度1 400℃、Ni负载量3 mmol/g、反应时间3 h的条件下，由纤维素炭化得到的无定形炭发生了有效的石墨化转化，形成了多于40层的环状石墨化结构，而未添加金属的对照样经过相同处理后仍为无定形碳结构；电导率测试结果显示在压力为20 MPa时，石墨化产物的电导率为54 S/cm，为未加入金属的2倍。

关键词: 催化, 石墨化, 石墨化材料, 纤维素

Abstract: Graphitic material was prepared from carbonized cellulose under the effect of catalytic action of Ni. The optimal reaction conditions for graphitization were confirmed by XRD patterns, Raman spectra and high resolution transparent electron microscopy(HRTEM), and the result illustrated that efficient graphitization of the amorphous carbon from cellulose occurred at 1 400℃ for 3 h during which annular-shaped graphitic structure with more than 40 layers formed in the presence of Ni, whereas the carbon still remained amorphous carbon structure at the same condition without any metal. Conductivity test showed that the conductivity of the graphitized product under pressure 20 MPa was 54 S/cm, which was twice of the control sample that treated at the same condition without Ni.

Key words: catalysis, graphitization, graphitized material, cellulose

中图分类号:

TQ351
TQ424

陈超, 蒋剑春, 孙康, 卢辛成, 朱光真, 贾羽洁. Ni催化制备纤维素基石墨化材料的研究[J]. 林产化学与工业, 2017, 37(4): 30-34.

CHEN Chao, JIANG Jianchun, SUN Kang, LU Xincheng, ZHU Guangzhen, JIA Yujie. Preparation of Cellulose-based Graphitized Material Catalyzed by Ni[J]. Chemistry and Industry of Forest Products, 2017, 37(4): 30-34.

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Ni催化制备纤维素基石墨化材料的研究

Preparation of Cellulose-based Graphitized Material Catalyzed by Ni

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