Lignin derived carbon materials: current status and future trends

Carbon Research, Journal Year: 2022, Volume and Issue: 1(1)

Published: July 29, 2022

Abstract Developing novel techniques to convert lignin into sustainable chemicals and functional materials is a critical route toward the high-value utilization of lignocellulosic biomass. Lignin-derived carbon hold great promise for applications in energy chemical engineering, catalysis environmental remediation. In this review, state-of-art sciences technologies controllable synthesis lignin-derived are summarized, pore structure crystalline morphology controlling methodologies thoroughly outlined critically discussed. Green engineering with cost-effectiveness precise carbonization tuning microstructure future research trends materials. Future directions that could be employed advance commercial then proposed.

Language: Английский

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Lignin for energy applications – state of the art, life cycle, technoeconomic analysis and future trends

Green Chemistry, Journal Year: 2022, Volume and Issue: 24(21), P. 8193 - 8226

Published: Jan. 1, 2022

Lignin in advanced energy applications: source, extraction methodolgy, structure/property relationships.

Language: Английский

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Self-assembly of biomass derivatives into multiple heteroatom-doped 3D-interconnected porous carbon for advanced supercapacitors

Carbon, Journal Year: 2022, Volume and Issue: 199, P. 258 - 267

Published: Aug. 10, 2022

Language: Английский

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Engineering Pore Nanostructure of Carbon Cathodes for Zinc Ion Hybrid Supercapacitors

Advanced Functional Materials, Journal Year: 2022, Volume and Issue: 32(49)

Published: Oct. 21, 2022

Abstract Zinc ion hybrid supercapacitors (ZIHCs) with both high power density and energy have tremendous potential for storage applications such as electric vehicles renewable storage. However, the large radius of hydrated Zn 2+ ions hampers their efficient in micropores limited pore sizes, resulting gravimetric specific capacitance inferior rate capability ZIHCs. Therefore, it is critically important to understand what extent size influences pores sizes. Herein, porous carbon nanosheets different architectures are prepared using an ammonium chloride molten salt carbonization strategy. The influence on nanostructured divergent analyzed by electrochemical methods molecular dynamic simulation. Micropores smaller than 6.0 Å obstruct diffusion ions, while larger 7.5 exhibit a low barrier ions. Mesopores improve exposing electrochemically active sites enhancing

Language: Английский

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Lignin-derived electrode materials for supercapacitor applications: progress and perspectives

Journal of Materials Chemistry A, Journal Year: 2022, Volume and Issue: 11(3), P. 1061 - 1082

Published: Dec. 7, 2022

Lignin is one of the most abundant natural polymers and affordable, has high carbon content active functional groups. It been utilized as electrode materials in electrical double-layer supercapacitors pseudo-supercapacitors.

Language: Английский

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Supermolecule-mediated defect engineering of porous carbons for zinc-ion hybrid capacitors

Nano Energy, Journal Year: 2022, Volume and Issue: 103, P. 107827 - 107827

Published: Sept. 23, 2022

Language: Английский

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Sustainable lignin precursors for tailored porous carbon-based supercapacitor electrodes

International Journal of Biological Macromolecules, Journal Year: 2022, Volume and Issue: 221, P. 1142 - 1149

Published: Sept. 14, 2022

Sustainable materials are attracting a lot of attention since they will be critical in the creation next generation products and devices. In this study, hydrogels were effectively synthesized utilizing lignin, non-valorised biopolymer from paper industry. This study proposes method based on lignin to create highly swollen using poly(ethylene) glycol diglycidyl ether (PEGDGE) as crosslinking agent. The influence different crosslinker ratios structural chemical properties resultant was investigated. Pore size observed lowered when amount increased. inclusion additional hydrophilic groups hydrogel network decreased swelling capacity density increases. These precursor carbonised electrochemically tested for application electrodes supercapacitors with capacitance characterized function ratio.

Language: Английский

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Defect Engineering of Disordered Carbon Anodes with Ultra-High Heteroatom Doping Through a Supermolecule-Mediated Strategy for Potassium-Ion Hybrid Capacitors

Nano-Micro Letters, Journal Year: 2023, Volume and Issue: 15(1)

Published: Jan. 27, 2023

Amorphous carbons are promising anodes for high-rate potassium-ion batteries. Most low-temperature annealed amorphous display unsatisfactory capacities. Heteroatom-induced defect engineering of could enhance their reversible Nevertheless, most lignocellulose biomasses lack heteroatoms, making it a challenge to design highly heteroatom-doped (> 10 at%). Herein, we report new preparation strategy carbon anodes. Nitrogen/sulfur co-doped lignin-derived porous (NSLPC) with ultra-high nitrogen doping levels (21.6 at% N and 0.8 S) from renewable lignin biomacromolecule precursors were prepared through supramolecule-mediated pyrolysis strategy. This supermolecule/lignin composite decomposes forming covalently bonded graphitic carbon/amorphous intermediate product, which induces the formation high heteroatom in obtained NSLPC. unique chemistry NSLPC enable abundant defective active sites adsorption K+ improved kinetics. The anode delivered capacity 419 mAh g‒1 superior cycling stability (capacity retention 96.6% at 1 A 1000 cycles). Potassium-ion hybrid capacitors assembled by exhibited excellent (91% 2000 cycles) energy density 71 Wh kg-1 power 92 W kg-1.

Language: Английский

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Enzymatic Hydrolysis Lignin-Derived Porous Carbons through Ammonia Activation: Activation Mechanism and Charge Storage Mechanism

ACS Applied Materials & Interfaces, Journal Year: 2022, Volume and Issue: 14(4), P. 5425 - 5438

Published: Jan. 20, 2022

The low energy density and cost performance of electrochemical capacitors (ECs) are the principal factors that limit wide applications ECs. In this work, we used enzymatic hydrolysis lignin as carbon source an ammonia activation methodology to prepare nitrogen-doped lignin-derived porous (NLPC) electrode materials with high specific surface areas. We elucidated free radical mechanism relationship between nitrogen doping configurations, levels, preparation temperatures. Furthermore, assembled NLPC∥NLPC symmetric ECs NLPC∥Zn asymmetric using aqueous sulfate electrolytes. Compared KOH electrolyte, densities were significantly improved. divergence charge storage characteristics in KOH, Na2SO4, ZnSO4 electrolytes compared by analyzing their area capacitance. This work provides a strategy for sustainable carbons toward densities.

Language: Английский

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Recent Advances in Porous Carbon Materials as Electrodes for Supercapacitors

Nanomaterials, Journal Year: 2023, Volume and Issue: 13(11), P. 1744 - 1744

Published: May 26, 2023

Porous carbon materials have demonstrated exceptional performance in various energy and environment-related applications. Recently, research on supercapacitors has been steadily increasing, porous emerged as the most significant electrode material for supercapacitors. Nonetheless, high cost potential environmental pollution associated with preparation process of remain issues. This paper presents an overview common methods preparing materials, including carbon-activation method, hard-templating soft-templating sacrificial-templating self-templating method. Additionally, we also review several emerging such copolymer pyrolysis, carbohydrate self-activation, laser scribing. We then categorise carbons based their pore sizes presence or absence heteroatom doping. Finally, provide recent applications electrodes

Language: Английский

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