铜盐辅助木质素基碳气凝胶的快速制备及其电化学性能研究

TS79; 本研究提出了一种铜盐辅助纳米木质素基气凝胶的快速合成方法,实现了具有显著微孔特征和三维(3D)互联结构的碳气凝胶制备.以绿色低共熔溶剂(DES)为反应溶剂,原位添加铜盐催化剂,快速合成了纳米木质素基碳气凝胶前驱体(LRF),经过高温一步热解处理得到木质素基碳气凝胶(LRFC).研究结果表明,铜盐的原位掺杂加快了胶体形成的反应速率,缩短了LRF的成胶时间.其中,Cu(NO3)2的原位催化效果最好,可使得LRF凝胶点缩短至2.5 h;同时,其相应的碳气凝胶(N-LRFC)的微孔率高达94.44%,孔径集中分布在1 nm;在电流密度为0.5 A/g时,N-LRFC的比电容最高可达347....

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Published in中国造纸学报 Vol. 38; no. 3; pp. 97 - 103
Main Authors 张依依, 娄瑞, 曹启航, 牛涛嫄, 张斌, 尉国栋, 陈海峰
Format Journal Article
LanguageChinese
Published 浙江大学能源高效清洁利用全国重点实验室,浙江杭州, 310027 2023
陕西科技大学机电工程学院,陕西西安,710021%陕西科技大学机电工程学院,陕西西安,710021
Subjects
催化
electrochemical
carbon aerogel
纳米木质素
碳气凝胶
lignin nanoparticles
电化学
catalysis
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ISSN1000-6842
DOI10.11981/j.issn.1000-6842.2023.03.97

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Abstract TS79; 本研究提出了一种铜盐辅助纳米木质素基气凝胶的快速合成方法,实现了具有显著微孔特征和三维(3D)互联结构的碳气凝胶制备.以绿色低共熔溶剂(DES)为反应溶剂,原位添加铜盐催化剂,快速合成了纳米木质素基碳气凝胶前驱体(LRF),经过高温一步热解处理得到木质素基碳气凝胶(LRFC).研究结果表明,铜盐的原位掺杂加快了胶体形成的反应速率,缩短了LRF的成胶时间.其中,Cu(NO3)2的原位催化效果最好,可使得LRF凝胶点缩短至2.5 h;同时,其相应的碳气凝胶(N-LRFC)的微孔率高达94.44%,孔径集中分布在1 nm;在电流密度为0.5 A/g时,N-LRFC的比电容最高可达347.6 F/g,表现出优异的电化学性能,且在电化学过程中其扩散控制占主导地位.
AbstractList TS79; 本研究提出了一种铜盐辅助纳米木质素基气凝胶的快速合成方法,实现了具有显著微孔特征和三维(3D)互联结构的碳气凝胶制备.以绿色低共熔溶剂(DES)为反应溶剂,原位添加铜盐催化剂,快速合成了纳米木质素基碳气凝胶前驱体(LRF),经过高温一步热解处理得到木质素基碳气凝胶(LRFC).研究结果表明,铜盐的原位掺杂加快了胶体形成的反应速率,缩短了LRF的成胶时间.其中,Cu(NO3)2的原位催化效果最好,可使得LRF凝胶点缩短至2.5 h;同时,其相应的碳气凝胶(N-LRFC)的微孔率高达94.44%,孔径集中分布在1 nm;在电流密度为0.5 A/g时,N-LRFC的比电容最高可达347.6 F/g,表现出优异的电化学性能,且在电化学过程中其扩散控制占主导地位.
Author 陈海峰
娄瑞
尉国栋
张斌
曹启航
牛涛嫄
张依依
AuthorAffiliation 陕西科技大学机电工程学院,陕西西安,710021%陕西科技大学机电工程学院,陕西西安,710021;浙江大学能源高效清洁利用全国重点实验室,浙江杭州, 310027
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Author_FL NIU Taoyuan
CAO Qihang
ZHANG Bin
WEI Guodong
ZHANG Yiyi
LOU Rui
CHEN Haifeng
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DocumentTitle_FL Study on Copper Salt Assisted Fast Preparation of Lignin-based Carbon Aerogel and Its Electrochemical Properties
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Keywords 催化
electrochemical
carbon aerogel
纳米木质素
碳气凝胶
lignin nanoparticles
电化学
catalysis
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陕西科技大学机电工程学院,陕西西安,710021%陕西科技大学机电工程学院,陕西西安,710021
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Snippet TS79; 本研究提出了一种铜盐辅助纳米木质素基气凝胶的快速合成方法,实现了具有显著微孔特征和三维(3D)互联结构的碳气凝胶制备.以绿色低共熔溶剂(DES)为反应溶剂,原位添加...
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StartPage 97
Title 铜盐辅助木质素基碳气凝胶的快速制备及其电化学性能研究
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