Lignocellulose-derived hydrogel/aerogel-based flexible quasi-solid-state supercapacitors with high-performance: a review

Gu, Ping; Liu, Wei; Hou, Qingxi; Ni, Yonghao

doi:10.1039/d1ta02281d

Cited by 72 publications

(27 citation statements)

References 255 publications

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“…Cellulose, earth-abundant organic polymer consisted of linear chain of several hundreds to many thousands linked d -glucose units ( 20 ) was used as the key material for the high surface coverage NP synthesis through CTS method (Fig. 1A).…”

Section: Resultsmentioning

confidence: 99%

Generation of high-density nanoparticles in the carbothermal shock method

Song

Kim

et al. 2021

Sci. Adv.

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Section: Resultsmentioning

confidence: 99%

Generation of high-density nanoparticles in the carbothermal shock method

Song

Kim

et al. 2021

Sci. Adv.

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“…Extraction of lignin from lignocellulose during the pulping processes changes its chemical structure and introduces inorganic contaminants; technical lignin is the name given to this kind of extracted lignin [ 22 ]. Kraft lignin (KL), organosolv lignin, enzymatic lignin, hydrolysis lignin, and pyrolytic lignin are common examples of technical lignins [ 23 ]. Because they undergo combinations of several reactions, including catalyzed biomass hydrolysis, condensation of lignin fragments, reduction of native lignin functional groups, and generation of new functional groups, technical lignins vary markedly from their native counterparts.…”

Section: Fundamentals Of Ligninmentioning

confidence: 99%

Lignin-Derived Quinone Redox Moieties for Bio-Based Supercapacitors

et al. 2022

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Because of their rapid charging and discharging, high power densities, and excellent cycling life stabilities, supercapacitors have great potential for use in electric vehicles, portable electronics, and for grid frequency modulation. The growing need for supercapacitors that are both efficient and ecologically friendly has generated curiosity in developing sustainable biomass-based electrode materials and electrolytes. Lignin, an aromatic polymer with remarkable electroactive redox characteristics and a large number of active functional groups, is one such candidate for use in renewable supercapacitors. Because its chemical structure features an abundance of quinone groups, lignin undergoes various surface redox processes, storing and releasing both electrons and protons. Accordingly, lignin and its derivatives have been tested as electroactive materials in supercapacitors. This review discusses recent examples of supercapacitors incorporating electrode materials and electrolytes derived from lignin, focusing on the pseudocapacitance provided by the quinone moieties, with the goal of encouraging the use of lignin as a raw material for high-value applications. Employing lignin and its derivatives as active materials in supercapacitor electrodes and as a redox additive in electrolytes has the potential to minimize environmental pollution and energy scarcity while also providing economic benefits.

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“…[4][5][6] In particular, flexible all-solid-state supercapacitors can ensure continuous and stable energy output under many mechanical deformations (bending, folding, torsion, compression, or tension) and countless repeated deformations. [7,8] These advantages ensure that flexible all-solid-state supercapacitors are a good and promising alternative energy supply devices for most flexible electronics in the future.…”

Section: Introductionmentioning

confidence: 99%

Constructing Flexible All‐Solid‐State Supercapacitors from 3D Nanosheets Active Bricks via 3D Manufacturing Technology: A Perspective Review

et al. 2022

Adv Funct Materials

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Due to the unique geometric characteristics and electronic structure of hierarchical 3D nanosheets, they show excellent electron migration rate, ultra‐high specific surface area, and reliable structural stability. Therefore, 3D nanosheets have great application prospects in the field of electrochemical energy storage. Supercapacitor has attracted extensive attention in recent years due to its merits of fast charge and discharge, long cycle life, safety, and stability. Flexibility, miniaturization, and intelligent integration are the development direction of supercapacitor energy storage devices. The emerging 3D printing technology, especially the ink direct writing mode, has greatly improved the design ability and control accuracy of device microstructures. Based on the research progress of 3D graphene nanosheets and 3D MXene nanosheets in the early stage of the authors’ or other teams, this paper proposes to use advanced 3D printing technology to realize the design of flexible all solid‐state supercapacitors by using 3D nanosheets active materials with high specific capacitance. The design methods of interdigital electrodes, multilayer skeleton electrodes and fiber electrodes by 3D printing technology and the performance evaluation of flexible supercapacitor are systematically analyzed. This perspective review aims to provide new conception and theoretical guidance for the design, preparation, and performance optimization of 3D nanosheets‐built materials by 3D printing for the practical application of flexible all‐solid‐state supercapacitor in the future.

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Lignocellulose-derived hydrogel/aerogel-based flexible quasi-solid-state supercapacitors with high-performance: a review

Abstract: The proliferation of electrochemical energy storages (EES) devices demands more advanced power/energy storage technologies. Flexible all-solid-state supercapacitors (FSSCs) have been attracting rapid and considerable attention as they exhibit unique and...

Cited by 72 publications

References 255 publications

Generation of high-density nanoparticles in the carbothermal shock method

Generation of high-density nanoparticles in the carbothermal shock method

Lignin-Derived Quinone Redox Moieties for Bio-Based Supercapacitors

Constructing Flexible All‐Solid‐State Supercapacitors from 3D Nanosheets Active Bricks via 3D Manufacturing Technology: A Perspective Review

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