UZnCl2-DES assisted synthesis of phenolic resin-based carbon aerogels for capacitors

Deng, Junqian; Ling, Chen; Hong, Shu; Lian, Hailan

doi:10.1007/s10934-020-00861-9

Cited by 25 publications

(13 citation statements)

References 44 publications

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“…33,34 Deng and coworkers utilized phenolic resin-derived porous carbon (∼1085.25 m 2 /g) as the electrode material for capacitors. 16 Equally, the application of rice straw-derived porous carbon (∼1007 m 2 /g) for the electrode material of supercapacitors has been recorded in the work of Sudhan and co-workers. 35 Notably, the specific surface area of the mentioned porous carbons is much lower than those of PC-1 and PC-0, especially PC-1.…”

Section: Resultsmentioning

confidence: 99%

Sustainable Lignin-Derived Hierarchical Porous Carbon for Supercapacitors: A Novel Approach for Holding Electrochemical Attraction Natural Texture Property of Precursor

et al. 2021

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Finding low-cost and environmentally friendly precursors that can maintain their electrochemical attraction natural texture properties while obtaining hierarchical porous carbons with high electrochemical performance is desirable for offering a leap forward in industrial applications. However, phenomena associated with the high microporosity of porous carbon remain. Herein, the protective effect of hydrothermal methods and the microporeforming ability of KOH were used. The as-synthesized porous carbon (PC-1) holds the natural texture property (the retention of texture property with apertures higher than 2 nm was up to 80%) and achieves three-dimensional (3D) architecture with hierarchical structures accompanied by an ultrahigh specific surface area (3559.45 m 2 /g). Benefiting from its texture properties, PC-1 possesses a high specific capacitance of 288.75 F/g at 0.5 A/g, excellent rate capability as high as 223.72 F/g at 10 A/g, and remarkable conductivity in a three-electrode system with a 6 M KOH electrolyte. In view of its environment friendliness, low cost, and excellent specific capacitance, PC-1 has promising applications in high-performance supercapacitors.

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Section: Resultsmentioning

confidence: 99%

Sustainable Lignin-Derived Hierarchical Porous Carbon for Supercapacitors: A Novel Approach for Holding Electrochemical Attraction Natural Texture Property of Precursor

et al. 2021

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“…A similar phenomenon has been observed in previous studies. [56][57][58] It is worth noting that 0.983, 0.978, 0.975, 0.956 are very close and are all higher than 0.95. Consequently, the speci c capacitances of the AACs depend not only the speci c surface area, but also on the V micro /V meso , pore-wall thickness, and V micro .…”

Section: Textural Properties/speci C Capacitance Relationshipmentioning

confidence: 89%

“…55 Furthermore, some studies have exhibited the speci c surface area affects speci c capacitance. [56][57][58] It is worth noting that the speci c surface area is only one of the textural properties. As a result, it is necessary to systematically understand the in uence of textural properties (e.g.…”

Section: Textural Properties/speci C Capacitance Relationshipmentioning

confidence: 99%

Valorization of cellulose-doped lignin: application of cellulose-doped lignin-derived activated carbon in capacitors and investigation of its textural properties and electrochemical performance

Wang

Feng

et al. 2021

Preprint

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This work provides an idea for efficient and harmless utilization of lignin and further evaluated the textural properties of lignin-derived activated carbon/specific capacitance relationship. The yield of cellulose-doped apricot shell lignin (ASLC) was 30.42%. H3PO4/KOH was used to assist the preparation of ASLC-derived activated carbon (AAC) for capacitors. The specific surface areas of the as-obtained AAC-P-3 and AAC-K-2 were 1475.16 m2/g and 2136.56 m2/g, respectively. The specific capacitances of AAC-P-3 and AAC-K-2 were 169.14 F/g and 236.00 F/g, respectively, upon the current density of 0.50 A/g. In capacitors containing aqueous KOH as the electrolyte, the AR2 (0.983) between specific surface area and specific capacitance was highest, followed by the AR2 (0.978) between Vmicro/Vmeso and specific capacitance, the AR2 (0.975) between pore-wall thickness and specific capacitance. Consequently, the specific capacitances of the AACs depend not only the specific surface area, but also on the Vmicro/Vmeso, pore-wall thickness, and Vmicro.

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“…Due to pollution and recovery issues, surfactants or block-copolymers are no longer suitable as structure directing agents for carbon materials with controlled pore characteristics [99,100]. Deng et al [57] have used DESs instead of conventional pore structure directing agents to reduce pollution and solve recovery problems. The phenolic resin was selected as the raw material, which was mixed with DES composed of ZnCl 2 and urea to obtain a carbonaceous material.…”

Section: Phenolic Resinmentioning

confidence: 99%

Processing of Functional Composite Resins Using Deep Eutectic Solvent

Xue¹,

Wang²,

Feng³

et al. 2020

Crystals

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Deep eutectic solvents (DESs)—a promising class of alternatives to conventional ionic liquids (ILs) that have freezing points lower than the individual components—are typically formed from two or more components through hydrogen bond interactions. Due to the remarkable advantages of biocompatibility, economical feasibility and environmental hospitality, DESs show great potentials for green production and manufacturing. In terms of the processing of functional composite resins, DESs have been applied for property modifications, recyclability enhancement and functionality endowment. In this review, the applications of DESs in the processing of multiple functional composite resins such as epoxy, phenolic, acrylic, polyester and imprinted resins, are covered. Functional composite resins processed with DESs have attracted much attention of researchers in both academic and industrial communities. The tailored properties of DESs for the design of functional composite resins—as well as the effects of hydrogen bond on the current polymeric systems—are highlighted. In addition to the review of current works, the future perspectives of applying DESs in the processing of functional composite resins are also presented.

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UZnCl2-DES assisted synthesis of phenolic resin-based carbon aerogels for capacitors

Cited by 25 publications

References 44 publications

Sustainable Lignin-Derived Hierarchical Porous Carbon for Supercapacitors: A Novel Approach for Holding Electrochemical Attraction Natural Texture Property of Precursor

Sustainable Lignin-Derived Hierarchical Porous Carbon for Supercapacitors: A Novel Approach for Holding Electrochemical Attraction Natural Texture Property of Precursor

Valorization of cellulose-doped lignin: application of cellulose-doped lignin-derived activated carbon in capacitors and investigation of its textural properties and electrochemical performance

Processing of Functional Composite Resins Using Deep Eutectic Solvent

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