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Article
Materials Science, Paper & Wood
Xiaodan Yuan et al.
Summary: In this study, nitrogen self-doped hierarchical porous carbon was synthesized for electrical double-layer capacitors. The carbonization process of bean dregs-based tar with potassium acetate as the template agent was used to control the pore structure and composition. The resulting porous carbons exhibited high specific surface area and unique hierarchical architecture, with the best sample showing excellent specific capacitance and high surface area.
Article
Engineering, Environmental
Yinying Long et al.
Summary: Porous carbon nanoparticles with hierarchical porous core-shell graphitized superstructure (KGC-EHL@ZIF-8) were successfully prepared as electrode materials for high-performance supercapacitors. By carbonizing ZIF-8 NPs as core and using lignin derived graphitized porous carbon layer as shell, the resulting KGC-EHL@ZIF-8 NPs exhibited high graphitization degree, high porosity, and high content of N/O co-dopants, ensuring excellent electrochemical performance.
CHEMICAL ENGINEERING JOURNAL
(2023)
Article
Engineering, Environmental
Yin Sun et al.
Summary: Introducing Mn cations through microwave-assisted isomorphism doping into porous CoCo2O4 nanowires enhances electrochemical storage capacity and widens the operating voltage window, while effectively suppressing water-splitting.
CHEMICAL ENGINEERING JOURNAL
(2022)
Article
Materials Science, Multidisciplinary
Xiandong Yue et al.
Summary: This study successfully prepared nitrogen-doped cornstalk activated carbon with a high specific surface area, showing excellent electrochemical performance and particularly high cycling stability.
JOURNAL OF MATERIALS SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Zijian Yang et al.
Summary: In this study, N/O-codoped high-capacity porous carbons were prepared by catalytically synthesizing a quinoline pitch (QLP) and then activating it with KOH at high temperature. These porous carbons exhibited excellent electrochemical performances with hierarchical and interconnected pore structures and high N/O-doping contents. They maintained high specific capacitances even under high current densities and showed good cycling stability.
NEW JOURNAL OF CHEMISTRY
(2022)
Article
Chemistry, Physical
Zhangyi Xiong et al.
Summary: The DIB-SCHD device cleverly integrates the advantages of both a dual-ion battery and a supercapacitor, delivering exceptional electrochemical performance. With a state-of-the-art electrode and electrolyte design, it achieves high mass capacitance, specific energy, and specific power. The synergistic energy storage mechanism involving ion intercalation/deintercalation and adsorption/desorption processes promotes reaction kinetics and boosts overall performance.
ADVANCED ENERGY MATERIALS
(2022)
Article
Energy & Fuels
Qinghai Ma et al.
Summary: In this study, hierarchical multi-heteroatoms co-doped porous carbon materials were successfully prepared by carbonization and activation of tea waste. The obtained MHPC exhibits excellent supercapacitance and capacitance retention, making it a valuable guideline for the development of high-performance energy storage devices.
JOURNAL OF ENERGY STORAGE
(2022)
Review
Chemistry, Multidisciplinary
Yu Sun et al.
Summary: This review summarizes the latest research progress in biomass-derived carbon materials as energy storage materials for batteries, covering structures and mechanisms. It also highlights the challenges and strategies for future development. This is of great importance for researchers to choose appropriate strategies to design biomass-derived carbon materials and promote the application of biomass materials in battery design.
ADVANCED FUNCTIONAL MATERIALS
(2022)
Article
Chemistry, Physical
Pengxu Ren et al.
Summary: This paper presents a method to prepare N, O doped honeycomb-like carbon using coal tar pitch as carbon precursors, K2CO3-KCl as activator, and molten salt flame retardant. The as-prepared carbon electrode exhibits high specific capacitance and carbon yield. Additionally, a new type of K2CO3-ethylene glycol deep eutectic solvent (DES) electrolyte is prepared, and the composed symmetrical supercapacitor shows superior energy density in this DES electrolyte.
JOURNAL OF POWER SOURCES
(2022)
Article
Chemistry, Multidisciplinary
Bin Jia et al.
Summary: Biomass has been extensively researched and applied in various fields due to its abundance, low cost, renewability, and environmental friendliness. In this study, cottonseed meal was used to prepare high-performance porous carbon materials, and a new deep eutectic solvent electrolyte was developed, showing superior energy density.
MATERIALS TODAY CHEMISTRY
(2022)
Article
Chemistry, Physical
Shuang Zhang et al.
Summary: Activated carbon (HCDC) produced from household expired food shows excellent electrochemical performance and has potential applications in supercapacitors and energy storage devices.
APPLIED SURFACE SCIENCE
(2022)
Article
Chemistry, Physical
Wei Li et al.
Summary: A novel cage-like lignin-based phenolic resin was successfully synthesized through direct spray drying of the mixture of phenolic resin and unmodified lignin. The resulting lignin-based phenolic resin was pre-carbonized and carbonized using KOH to produce mesoporous carbon materials for use as supercapacitor electrodes. This study offers a simple and scalable approach to prepare cage-like mesoporous carbon with excellent electrochemical performance from lignin-based phenolic resin, providing a promising route for lignin valorization in energy storage materials.
Article
Chemistry, Physical
Hyo Chan Lee et al.
Summary: The study developed triple-layered boron-containing carbon nanofibers with hollow channels for high-performance freestanding supercapacitors. The unique sandwich nanostructure showed excellent electrochemical performance with a maximum specific capacitance of 180 Fg(-1), high energy density of 22.38 Whkg(-1), and a retention rate of 96% after 10,000 cycles. This was achieved through the use of hollow channels for fast ion diffusion in the second layer and surface boron functional groups in the third layer.
Article
Thermodynamics
M. Federico Ponce et al.
Summary: This study presents the development of a symmetric solid-state supercapacitor using activated carbon from olive pruning waste. Chemically activated carbons with high surface area and developed pore structure showed superior electrochemical performance compared to physically activated carbons. By assembling three supercapacitors with chemically activated carbon and PVA-KOH hydrogel, excellent performance was achieved.
Article
Chemistry, Physical
Thibeorchews Prasankumar et al.
Summary: In this study, high surface area porous carbons derived from sustainable biomass wastes were prepared and showed excellent performance in energy storage and gas sorption applications. The activated porous carbon derived from Tasmanian Blue Gum tree bark exhibited a hierarchically connected mesoporous structure with a large surface area and showed remarkable electrochemical storage capacity and CO2 capture performance. This work provides a simple and feasible strategy for converting waste biomass into value-added activated carbon.
Article
Chemistry, Physical
Yangkai Sun et al.
Summary: This study presents a multiple heteroatom-doped three-dimensional interconnected carbon material obtained from the self-assembly of biomass derivatives with the assistance of boric acid, demonstrating high specific surface area and good specific capacitance in 6 M KOH electrolyte. It shows excellent performance in both fast charge/discharge and long-term cycling stability in PVA/KOH gel electrolyte.
Article
Chemistry, Physical
Guofeng Qiu et al.
Summary: This study systematically investigated the hierarchical porous structure of bamboo shavings hierarchical porous carbon (BPC) and the role of cellulose, hemicellulose, and lignin in influencing the pore structure and electrochemical properties of BPC. An efficient three-component separation method of bamboo shavings was proposed. The findings showed that cellulose and hemicellulose mainly provide microporous structure, while lignin provides both mesopores and micropores. The cellulose-derived BPC demonstrated superior cycling stability, and the lignin-derived BPC exhibited the highest specific capacitance and rate performance.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2022)
Article
Chemistry, Physical
Xueying Fan et al.
Summary: This study synthesized hierarchical porous carbons with different meso-structure and investigated their energy storage performance in supercapacitors and LIBs. The results show that smaller mesopore size can effectively improve the energy storage performance. The optimized HPC sample exhibits high capacitance and stability in supercapacitor application, as well as a high capacity in LIBs.
JOURNAL OF COLLOID AND INTERFACE SCIENCE
(2022)
Review
Energy & Fuels
Pantrangi Manasa et al.
Summary: This review focuses on recent research progress in biomass-derived carbon electrode materials for supercapacitor applications, including materials derived from plants, fruits, vegetables, animal waste, and microorganisms. The review also discusses various synthesis methods for converting and activating biomass waste. Furthermore, it provides a summary and future research trends in this field.
JOURNAL OF ENERGY STORAGE
(2022)
Review
Chemistry, Multidisciplinary
Li Sun et al.
Summary: This paper summarizes the latest progress of biomass-derived porous carbon materials in the field of supercapacitors, analyzes the preparation methods and design strategies in detail, reviews the application of biomass-based porous carbon materials in advanced supercapacitors, and discusses the challenges and prospects for future development. It shows the great potential of high-performance biomass-based porous carbon materials and provides good design ideas for their application in the field of high-performance supercapacitors.
Article
Chemistry, Physical
Guangfa Zheng et al.
Summary: This study focuses on the preparation of N/P/O co-doped HPCs using beet pulp and fly ash, with fly ash acting as a pore-forming template. The optimal sample, BFC-2, shows exceptional specific capacitance and high energy densities in different electrolytes, as well as excellent rate retention and cycling durability. This approach offers a low-cost, environmentally friendly, and profitable method for producing HPCs for high-performance supercapacitors, aligning with the green energy principle of waste-to-wealth.
JOURNAL OF POWER SOURCES
(2021)
Article
Green & Sustainable Science & Technology
Jianhua Yu et al.
Summary: The hydrothermal process effectively stabilizes heteroatoms (N and P), improves graphitization, and enhances the capacitive properties of biomass-derived carbon materials.
Article
Chemistry, Physical
Jie Yang et al.
Summary: In this study, mesopore-dominant porous carbon was fabricated from poplar catkin bio-wastes using a facile and mild one-pot strategy, with optimized fabrication parameters leading to superior capacitive energy storage behavior. The carbon material exhibited high specific capacitance, energy density, power density, and cycling stability, making it a promising candidate for advanced electric energy storage devices.
JOURNAL OF ALLOYS AND COMPOUNDS
(2021)
Article
Engineering, Environmental
Liqiang Hou et al.
Summary: This study developed a one-pot strategy to synthesize N, O co-doped hierarchically porous carbon nanosheets with large surface area and abundant pseudocapacitive active species. The resulting carbon material showed outstanding specific capacitance and high rate capability in supercapacitors, as well as high energy density in symmetric supercapacitors.
CHEMICAL ENGINEERING JOURNAL
(2021)
Article
Energy & Fuels
Chen Zhu et al.
Summary: Porous carbon materials doped with nitrogen and sulfur were prepared by KOH activation and a hydrothermal process, showing excellent capacitance data performance and stable cycling performance. The optimal pore distribution and heteroatoms doping contribute to the excellent electrochemical behavior of the electrode.
INTERNATIONAL JOURNAL OF ENERGY RESEARCH
(2021)
Article
Chemistry, Physical
Weidong Lei et al.
Summary: In this study, a heteroatom-doped porous biochar was prepared from waste biomass using a self-sacrificial template strategy, showing increased specific surface area and specific capacitance for enhanced electrochemical performance. The biochar with moderate heteroatom doping exhibited significantly improved capacitance and stability in a two-electrode symmetric supercapacitor.
JOURNAL OF POWER SOURCES
(2021)
Article
Energy & Fuels
Tao Feng et al.
Summary: This study presents a promising strategy to convert sorghum seeds into efficient electrode material for supercapacitors, achieving high specific surface area, abundant hierarchical pores, and doping elements. The derived carbon displays excellent capacitance and cycling stability, providing a sustainable and eco-friendly approach for high-performance supercapacitors.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Energy & Fuels
Yunlong Xi et al.
Summary: Carbon-based supercapacitors are commonly used in energy storage applications due to their stability and high power, but improvements are needed for specific energy. This study introduced a method using cornstalk pith aerogel to prepare hierarchical N-doped porous carbon with high mesoporous volume and large surface area. Nitrogen doping from organic components and NH3 enhanced electron conductivity, leading to improved capacitive performance and surface wettability. The carbon electrode exhibited high specific capacitance, rate performance, and capacitance retention. Additionally, using an organic electrolyte, the electrode showed high specific energy and large specific power.
JOURNAL OF ENERGY STORAGE
(2021)
Article
Chemistry, Physical
Lu Luo et al.
Summary: The N and B co-doped hierarchical porous carbon material prepared through a two-step activation and hydrothermal post-treatment process exhibits high specific surface area, facilitating electrolyte circulation and electrostatic adsorption. The high boron and nitrogen content contributes to Faradaic pseudocapacitance, leading to excellent electrochemical performance at high current densities.
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
(2021)
Article
Green & Sustainable Science & Technology
Honghui Bi et al.
Summary: This study presents an environmentally friendly method to prepare three-dimensional N, P co-doped hierarchical porous carbon for supercapacitors. The porous carbon exhibits high capacitance and good rate performance, with enhanced surface charge storage through morphology and doping engineering.
Article
Chemistry, Multidisciplinary
Hongqiang Wang et al.
Summary: The study successfully constructed biomass-derived carbon microspheres with highly graphitized porous surface and amorphous subsurface through a flexible coupled catalysis-activation process. The optimized graphitized/amorphous structure endowed the carbon microspheres with rapid electron transfer and ultra-high specific surface area, leading to impressive energy storage capability, robust cycle performance, and good rate performance in alkaline aqueous electrolyte. This work provides a strategy for flexible construction of biomass-derived carbon electrode materials with an optimized structure for enhanced energy storage in supercapacitor applications.
NANOSCALE ADVANCES
(2021)
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CHEMICAL ENGINEERING JOURNAL
(2020)
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ELECTROCHIMICA ACTA
(2020)
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Zhen Shang et al.
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Yiwei Zheng et al.
CHEMICAL ENGINEERING JOURNAL
(2020)
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Jing Wu et al.
JOURNAL OF POWER SOURCES
(2020)
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Hualong Cheng et al.
ACS APPLIED ENERGY MATERIALS
(2020)
Review
Chemistry, Physical
Arthi Gopalakrishnan et al.
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(2020)
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Duo Dong et al.
APPLIED SURFACE SCIENCE
(2020)
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Yulin Wang et al.
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Zhen Wang et al.
JOURNAL OF POWER SOURCES
(2018)
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Byong Chol Bai et al.
CHEMICAL ENGINEERING JOURNAL
(2016)
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Byong Chol Bai et al.
APPLIED SURFACE SCIENCE
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Min-Jung Jung et al.
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS
(2011)
