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Robust Brewed Tea Waste/Reduced Graphene Oxide Hydrogel for High Performance Flexible Supercapacitors

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成果类型:
期刊论文
作者:
Wu, Dan;Zhou, Jiajia;Deng, Wuqiang;He, Guowen*;Liu, Zheng
通讯作者:
He, Guowen;Liu, Z
作者机构:
[He, Guowen; Liu, Zheng; Zhou, Jiajia; Deng, Wuqiang; Wu, Dan] Hunan City Univ, Coll Mat & Chem Engn, Yiyang 413000, Peoples R China.
[He, Guowen; Liu, Zheng; Wu, Dan] Coll Hunan Prov, Key Lab Low Carbon & Environm Funct Mat, Yiyang 413000, Peoples R China.
通讯机构:
[He, GW; Liu, Z ] H
Hunan City Univ, Coll Mat & Chem Engn, Yiyang 413000, Peoples R China.
Coll Hunan Prov, Key Lab Low Carbon & Environm Funct Mat, Yiyang 413000, Peoples R China.
语种:
英文
关键词:
tea waste;reduced graphene oxide;hydrogel;supercapacitor
期刊:
Polymers
ISSN:
2073-4360
年:
2024
卷:
16
期:
22
页码:
3170-
基金类别:
Conceptualization, G.H. and Z.L.; methodology, D.W. and Z.L.; software, W.D.; validation, D.W.; formal analysis, D.W.; investigation, D.W. and J.Z.; resources, G.H.; data curation, D.W. and J.Z.; writing—original draft preparation, D.W.; writing—review and editing, Z.L. and G.H.; visualization, D.W. and W.D.; supervision, G.H. and Z.L.; project administration, Z.L. and G.H.; funding acquisition, Z.L. All authors have read and agreed to the published version of the manuscript. This study was funded by the National Natural Science Foundation of China, grant number 52102243.
机构署名:
本校为第一且通讯机构
院系归属:
材料与化学工程学院
摘要:
Tea waste contains various substances with phenolic hydroxyl groups, including lignin, tannins, tea polyphenols, etc., which are rarely utilized. In this study, tea waste was directly dispersed with graphene oxide to prepare tea waste/reduced graphene oxide (TW/rGO) hydrogel through a one-step hydrothermal method. The prepared hydrogel presented a continuous three-dimensional porous structure and exhibited good mechanical properties with a compressive strength of 53.4 ± 4.0 kPa. It also showed excellent electrochemical performance as an electr...

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