期刊论文

Preparation and Electrochemical Performance of Fe~(3+)-Doped Activated Lignin Basic Woodceramics

Sun, Delin(sdlszy@163.com)

中文

材料导报

1005-023X

2019

33

20

3390-3395,3407

10.11896/cldb.18100183

31670572:国家自然科学基金 31270611:国家自然科学基金

本校为第一且通讯机构

以造纸黑液提取的木质素为前驱体,柠檬酸铁(FeC_6H_5O_7)为催化剂,在1 200 ℃下保温烧结2 h,再以氢氧化钾(KOH)为活化剂,在800 ℃下活化1.5 h制备木材陶瓷碳电极材料。采用X射线衍射(XRD) 、X射线光电子能谱(XPS) 、扫描电子显微镜(SEM) 、透射电子显微镜(TEM) 、氮气吸附-脱附法(BET) 、恒电流充放电以及循环伏安法等考察木材陶瓷的物相构成、比表面积、孔结构以及电化学性能。结果表明,当柠檬酸铁与木质素的质量比为1 ∶ 1时,活化木质素基木材陶瓷具有良好的石墨化特性,其比表面积可达712.59 m~2/g,且孔径主要分布在1.64 nm。同时,用该木材陶瓷所制备的电极材料在无机体系(6 mol/L KOH)中比电...

Activated woodceramics for electrode materials have been prepared from the carbonized materials of lignin extracted from black liquor with FeC6H5O7 as catalyst at 1 200℃ for 2 h and with KOH as activation agent at 800℃ for 1.5 hours. The phase composition, specific surface area, pore structure and electrochemical properties of as-prepared woodceramics were performed by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), scanning electron microscopy (SEM), transmission electron microscopy (TEM), N2 adsorption-desorption (BET), con...