Functionalization of supercapacitors electrodes oriented hydrochar from cornstalk: A new vision via biomass fraction

被引:15
作者
Jia, Jixiu [1 ,2 ,3 ]
Yao, Zonglu [2 ]
Zhao, Lixin [2 ,3 ]
Xie, Teng [2 ]
Sun, Yuxuan [1 ]
Tian, Liwei [2 ]
Huo, Lili [2 ,3 ]
Liu, Zhidan [1 ]
机构
[1] China Agr Univ, Coll Water Resources & Civil Engn, Lab Environm Enhancing Energy E2E, Key Lab Agr Engn Struct & Environm, Beijing 100083, Peoples R China
[2] CAAS, Inst Environm & Sustainable Dev Agr, Beijing 100081, Peoples R China
[3] Minist Agr & Rural Affairs, Key Lab Low Carbon Green Agr North China, Beijing, Peoples R China
关键词
Corn stalks; Hydrothermal carbonization; Supercapacitor; Different fractions; Porous carbons; KOH activation; POROUS CARBON; CORN STALK; CARBONIZATION; PRETREATMENT; ACTIVATION; BIOCHAR;
D O I
10.1016/j.biombioe.2023.106858
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
The development of corn stalk-based carbon materials presents a promising approach towards sustainable energy storage and agricultural waste valorization. However, the impact of varying portions of the cornstalk on electrochemical performance has been previously disregarded. An innovative strategy is proposed herein for the preparation of supercapacitor electrodes from different fractions of the same corn stalks via hydrothermal carbonization and KOH activation. The potential of the resulting composition, morphology structure, and electrochemical performance was analyzed to evaluate its suitability for supercapacitor electrodes. The capacity of CC-carbons could reach up to 133.32 F g-1 at 1 A g-1 and exhibit excellent electrochemical properties owing to their highly specific surface area (812.84 m2 g-1) in combination with their abundant active sites. Moreover, the leaf blade (LB) was found unsuitable for preparing porous carbon. The results further revealed that the high lignin content increased the material's defects and active sites. Additionally, inorganic components present in raw materials may remain in the activated carbons in the form of ash through mineralization reactions, thereby affecting pore formation and charge ion transport. The outcomes of this study provide a novel perspective on the high-value utilization of corn stalks.
引用
收藏
页数:11
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共 42 条
[21]   Cell morphology and chemical characteristics of corn stover fractions [J].
Li, Zhiyong ;
Zhai, Huamin ;
Zhang, Yan ;
Yu, Li .
INDUSTRIAL CROPS AND PRODUCTS, 2012, 37 (01) :130-136
[22]   Black Carbon (Biochar) In Water/Soil Environments: Molecular Structure, Sorption, Stability, and Potential Risk [J].
Lian, Fei ;
Xing, Baoshan .
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2017, 51 (23) :13517-13532
[23]   Overview on hybrid solar photovoltaic-electrical energy storage technologies for power supply to buildings [J].
Liu, Jia ;
Chen, Xi ;
Cao, Sunliang ;
Yang, Hongxing .
ENERGY CONVERSION AND MANAGEMENT, 2019, 187 :103-121
[24]   Fabrication, characterization and sorption properties of activated biochar from livestock manure via three different approaches [J].
Liu, Ziyun ;
Wang, Zihan ;
Tang, Shuai ;
Liu, Zhidan .
RESOURCES CONSERVATION AND RECYCLING, 2021, 168
[25]   Sustainable biomass-based hierarchical porous carbon for energy storage: A novel route to maintain electrochemically attractive natural structure of precursor [J].
Luo, Min ;
Zhu, Ziqi ;
Yang, Kai ;
Yang, Pei ;
Miao, Yingchun ;
Chen, Minzhi ;
Chen, Weimin ;
Zhou, Xiaoyan .
SCIENCE OF THE TOTAL ENVIRONMENT, 2020, 747
[26]   Heteroatom-doped hierarchical porous carbon from corn straw for high-performance supercapacitor [J].
Nie, Zhiguo ;
Wang, Ye ;
Li, Xinyi ;
Wang, Rui ;
Zhao, Yang ;
Song, Hua ;
Wang, Huan .
JOURNAL OF ENERGY STORAGE, 2021, 44
[27]   Supercapacitors as next generation energy storage devices: Properties and applications [J].
Olabi, Abdul Ghani ;
Abbas, Qaisar ;
Al Makky, Ahmed ;
Abdelkareem, Mohammad Ali .
ENERGY, 2022, 248
[28]   Research progress in the preparation of high-quality liquid fuels and chemicals by catalytic pyrolysis of biomass: A review [J].
Qiu, Bingbing ;
Tao, Xuedong ;
Wang, Jiahao ;
Liu, Ya ;
Li, Sitong ;
Chu, Huaqiang .
ENERGY CONVERSION AND MANAGEMENT, 2022, 261
[29]   Biochar-based carbons with hierarchical micro-meso-macro porosity for high rate and long cycle life supercapacitors [J].
Qiu, Zhipeng ;
Wang, Yesheng ;
Bi, Xu ;
Zhou, Tong ;
Zhou, Jin ;
Zhao, Jinping ;
Miao, Zhichao ;
Yi, Weiming ;
Fu, Peng ;
Zhuo, Shuping .
JOURNAL OF POWER SOURCES, 2018, 376 :82-90
[30]   Converting biowaste corncob residue into high value added porous carbon for supercapacitor electrodes [J].
Qu, Wen-Hui ;
Xu, Yuan-Yuan ;
Lu, An-Hui ;
Zhang, Xiang-Qian ;
Li, Wen-Cui .
BIORESOURCE TECHNOLOGY, 2015, 189 :285-291