Results 1 to 10 of about 2,844,127 (304)

A Facile Alkali-Assisted Synthesis Strategy for Hierarchical Porous Carbon Aerogels for Supercapacitors [PDF]

Molecules
Carbon aerogels synthesized via the polymerization of resorcinol (R) and formaldehyde (F) exhibit remarkable physiochemical properties, such as high thermal stability and excellent electrical conductivity. However, their limited specific surface area and
Huimin Yang, Mingfang Zhang, Xinwei Guan, Xiaogang Shang, Lingfeng Zhu, Haimei Xu, Songbo Li   +6 more
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Defect Rich Hierarchical Porous Carbon for High Power Supercapacitors

Frontiers in Chemistry, 2020
Tuning hierarchical pore structure of carbon materials is an effective way to achieve high energy density under high power density of carbon-based supercapacitors.
Peng Cai, Kangyu Zou, Xinglan Deng, Baowei Wang, Guoqiang Zou, Hongshuai Hou, Xiaobo Ji, Xiaobo Ji   +7 more
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ZnO-MnO2 co-modified hierarchical porous carbon nanofiber film electrodes for high-energy density supercapacitors [PDF]

Scientific Reports
This study focuses on preparing composite hierarchical porous carbon nanofiber film that includes ZnO and MnO2. Using electrospinning technology, hierarchical porous structure was introduced into the nanofibers, enhancing energy density through the ...
Yongmei Luo, Junqi Li, Chaoyi Chen, Wei Liu   +3 more
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Nitrogen-Doped Hierarchical Porous Carbon Derived from Coal for High-Performance Supercapacitor [PDF]

Molecules, 2023
The surface properties and the hierarchical pore structure of carbon materials are important for their actual application in supercapacitors. It is important to pursue an integrated approach that is both easy and cost-effective but also challenging ...
Leiming Cai, Yanzhe Zhang, Rui Ma, Xia Feng, Lihua Yan, Dianzeng Jia, Mengjiao Xu, Lili Ai, Nannan Guo, Luxiang Wang   +9 more
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In Situ Self-Assembly of Nitrogen-Doped 3D Flower-like Hierarchical Porous Carbon and Its Application for Supercapacitors [PDF]

Molecules
The hierarchical porous carbon-based materials derived from biomass are beneficial for the enhancement of electrochemical performances in supercapacitors. Herein, we report the fabrication of nitrogen-doped 3D flower-like hierarchical porous carbon (NPC)
Liqing Qiu, Hangzhong Liu, Chenweijia He, Shuijian He, Li Liu, Qian Zhang   +5 more
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Hierarchical porous carbon induced by inherent structure of eggplant as sustainable electrode material for high performance supercapacitor

Journal of Materials Research and Technology, 2022
The conversion and utilization of renewable biomass have attracted worldwide focus on sustainable development research. The study of biochar as electrode material for supercapacitors shows that the hierarchical porous structure of biochar directly ...
Wenping Li, Chen Chen, Heng Wang, Pingyun Li, Xiaohong Jiang, Jiazhi Yang, Jian Liu   +6 more
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Superior stability and methanol tolerance of a metal-free nitrogen-doped hierarchical porous carbon electrocatalyst derived from textile waste

Journal of Materials Research and Technology, 2021
Heteroatom-doped carbon materials with hierarchical porous structures are promising alternatives to replace the use of scarce platinum catalysts in fuel cells for oxygen reduction reaction (ORR). In this work, nitrogen-doped hierarchical porous carbon is
S.M. Sauid, S.K. Kamarudin, N.A. Karim, L.K. Shyuan   +3 more
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Pore engineering: Structure-capacitance correlations for biomass-derived porous carbon materials

Materials & Design, 2023
As the world’s demand for green energy storage systems continues to increase, electrochemical double-layer supercapacitors based on porous carbon electrodes are receiving more attention than ever.
Bing Yan, Jiaojiao Zheng, Li Feng, Qian Zhang, Chunmei Zhang, Yichun Ding, Jingquan Han, Shaohua Jiang, Shuijian He   +8 more
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Design of B/N Co-doped micro/meso porous carbon electrodes from CNF/BNNS/ZIF-8 nanocomposites for advanced supercapacitors

Journal of Bioresources and Bioproducts, 2023
Boron (B) and nitrogen (N) co-doped 3D hierarchical micro/meso porous carbon (BNPC) were successfully fabricated from cellulose nanofiber (CNF)/ boron nitride nanosheets (BNNS)/ zinc-methylimidazolate framework-8 (ZIF-8) nanocomposites prepared by 2D ...
Zhen Shang, Xingye An, Shuangxi Nie, Na Li, Haibing Cao, Zhengbai Cheng, Hongbin Liu, Yonghao Ni, Liqin Liu   +8 more
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Hierarchical Porous Heteroatoms—Co-Doped Activated Carbon Synthesized from Coconut Shell and Its Application for Supercapacitors

Nanomaterials, 2022
Coconut husk biomass waste was used as the carbon precursor to develop a simple and economical process for the preparation of hierarchical porous activated carbon, and the electrochemical properties of the electrode material were explored.
Rui Liu, Jing-Xuan Wang, Wein-Duo Yang
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