Biomass–derived cellulose nanofibrils membrane from rice straw as sustainable separator for high performance supercapacitor

Islam, Md. Asadul; Ong, Hui Lin; Villagracia, Al Rey; Halim, Khairul Anwar Abdul; Ganganboina, Akhilesh Babu; Doong, Ruey‐an

doi:10.1016/j.indcrop.2021.113694

Cited by 73 publications

(22 citation statements)

References 49 publications

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“…The results indicated that the most thermally stable material was that of the cellulose standard due to a higher onset decomposition temperature obtained because of the absence of amorphous regions, hence high crystallinity and purity [42,53]. The closer the sample's decomposition temperature to the standard, the higher it's the purity and crystallinity.…”

Section: Resultsmentioning

confidence: 98%

“…The CLS raw fibers showed two-step decomposition while both the M1 and M2 cellulose gave one-step disintegration. The two-step decomposition from 270 °C to 350 °C in CLS raw can be attributed to the decomposition of cellulosic materials, hemicellulose, cellulose, and pectin; the second decomposition step at 350 °C to 400 o C involves the degradation of non-cellulosic lignin [42]. The absence of the observed two-step decomposition in M1 and M2 indicates significant removal of hemicellulose and lignin from the lignocellulosic matrix [53].…”

Section: Resultsmentioning

confidence: 98%

“…Dewaxing was done by Soxhlet extraction using hexane (85 mL) followed by ethanol (85 mL) for 3 h each [41]. For delignification, the ground sample was soaked in 5% NaOH (Uni-Chem) for 12 h at 30 o C. The delignified sample was then filtered off the reaction mixture [41][42][43][44][45]. The dried sample was then bleached using 2% H 2 O 2 ¬ (Sigma-Aldrich) in 4% KOH (J.T.…”

Section: Cellulose Extraction Various Methods (Tablementioning

confidence: 99%

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Polyaniline/agricultural waste microcellulose composites as electrode materials for supercapacitors

Ramirez-Peñafiel¹,

Guzman²,

Perez³

et al. 2022

actamanil

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Supercapacitors are energy storage devices that employ carbon, metal oxides, and conducting polymers as electrode materials. Polyaniline (PANI) was polymerized onto microcellulose (MC) to produce an electroactive material suitable for supercapacitor electrode applications. Microcellulose was prepared from cellulose extracted from Cocos nucifera L. (coconut, CLS) leaf sheaths and Oryza sativa straw (rice, RS). Delignification and bleaching procedures yielded 45% and 28% cellulose from CLS and RS, respectively, followed by acid hydrolysis to produce MC. Acid hydrolysis of the extracted cellulose produced MC. PANI was chemically polymerized onto MC using a 50:50, 70:30, and 90:10 aniline:MC ratios. PANI/MC composites were then characterized by SEM, TGA, FTIR, four-point probe conductivity testing and cyclic voltammetry. SEM micrographs indicated the composite was composed of thin ribbonlike strands with a rough surface coating. TGA revealed that extracted cellulose (CLS -312.55 °C; RS -331.50 °C) had lower purity compared to standard cellulose (335.28 °C). FTIR spectra of the composites showed characteristic peaks of both pure PANI and MC. PANI/MC composites with 90:10 ratio gave the highest conductivity values, ranging from 36.4 µScm -1 to 39.0 µScm -1 ; and specific capacitance values of 51.2 F g -1 to 109 F g -1 at 50 mV s -1 . The results showed effective utilization of waste residues capable of increasing the potential of PANI as an electrode material for supercapacitors.

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Section: Resultsmentioning

confidence: 98%

Section: Resultsmentioning

confidence: 98%

Section: Cellulose Extraction Various Methods (Tablementioning

confidence: 99%

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Polyaniline/agricultural waste microcellulose composites as electrode materials for supercapacitors

Ramirez-Peñafiel¹,

Guzman²,

Perez³

et al. 2022

actamanil

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“…S5b-S8b, ESI †). 47,48 The specific capacitances were calculated based on the GCD curves, as shown in Fig. 5(c).…”

Section: àmentioning

confidence: 99%

Highly graphitic porous carbon preparedviaK₂FeO₄-assisted KOH activation for supercapacitors

Tan

Ren

et al. 2022

New J. Chem.

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“…However, it has a downside in terms of low energy density. [4][5][6][7] Developing high energy-density supercapacitors is thus of wide interest. A supercapacitor can be classified into three categories based on its energy storage mechanisms.…”

Section: Introductionmentioning

confidence: 99%

High‐Performance Supercapacitors Fabricated from Sugarcane Waste‐derived Activated Carbon Electrodes and Carbon Dot‐added Molasses as Electrolytes

et al. 2022

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In this work, bio‐renewable, high‐performance supercapacitors were prepared from sugarcane wastes. Activated carbon and carbon dots (CDs) was prepared from sugarcane bagasse and leaves, whereas electrolyte, for the first time in any kind of electrochemical device, was prepared from molasses. The supercapacitors were then fabricated from activated carbon electrodes and molasses electrolyte. The supercapacitors using bagasse‐ and leaf‐derived activated carbon and molasses aqueous solution yielded a specific capacitance of 101 and 80 F g−1, respectively, at a scan rate of 30 mV s−1. When the molasses electrolyte was prepared in H2SO4 solution, the specific capacitance increased to 308 and 268 F g−1, respectively. Interestingly, when the CDs were added to molasses/H2SO4 electrolyte, the specific capacitance was further boosted to 456 and 356 F g−1, which are equivalent to 148 % and 133 % increases. In addition to enhancing the specific capacitance, the use of CDs also improved the cycling stability of the supercapacitors. A combination of enhanced surface capacitance and reduced interfacial resistance offered by the CDs led to a significantly enhanced performance. This work thus demonstrates a value‐adding strategy for sugarcane wastes and the fabrication of novel, high‐performance supercapacitors.

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Biomass–derived cellulose nanofibrils membrane from rice straw as sustainable separator for high performance supercapacitor

Cited by 73 publications

References 49 publications

Polyaniline/agricultural waste microcellulose composites as electrode materials for supercapacitors

Polyaniline/agricultural waste microcellulose composites as electrode materials for supercapacitors

Highly graphitic porous carbon preparedviaK₂FeO₄-assisted KOH activation for supercapacitors

High‐Performance Supercapacitors Fabricated from Sugarcane Waste‐derived Activated Carbon Electrodes and Carbon Dot‐added Molasses as Electrolytes

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Biomass–derived cellulose nanofibrils membrane from rice straw as sustainable separator for high performance supercapacitor

Cited by 73 publications

References 49 publications

Polyaniline/agricultural waste microcellulose composites as electrode materials for supercapacitors

Polyaniline/agricultural waste microcellulose composites as electrode materials for supercapacitors

Highly graphitic porous carbon preparedviaK2FeO4-assisted KOH activation for supercapacitors

High‐Performance Supercapacitors Fabricated from Sugarcane Waste‐derived Activated Carbon Electrodes and Carbon Dot‐added Molasses as Electrolytes

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Product

Resources

About

Highly graphitic porous carbon preparedviaK₂FeO₄-assisted KOH activation for supercapacitors