Nanocellulose and its derived composite electrodes toward supercapacitors: Fabrication, properties, and challenges

Xiao, Junlei; Li, Huiling; Zhang, Hua; He, Shuijian; Zhang, Qian; Liu, Kunming; Jiang, Shaohua; Duan, Gaigai; Zhang, Kai

doi:10.1016/j.jobab.2022.05.003

Cited by 163 publications

(60 citation statements)

References 175 publications

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“…In addition, it is suggested for future studies to create the suggested enhanced IPMC with a MCC electrode under model B for restoring eyelid movement. Previous studies can help create the model [ 64 , 65 ]. For a better illustration of the function of this model, it can be implemented in an animal or cadaver experiment.…”

Section: Discussionmentioning

confidence: 99%

Enhanced Ionic Polymer–Metal Composites with Nanocomposite Electrodes for Restoring Eyelid Movement of Patients with Ptosis

et al. 2023

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The present study aims to use enhanced ionic polymer–metal composites (IPMC) as an artificial muscle (a soft-active actuator) to restore eyelid movement of patients with ptosis. The previous eyelid movement mechanisms contained drawbacks, specifically in the lower eyelid. We used finite element analysis (FEA) to find the optimal mechanism among two different models (A and B). In addition to common electrodes of IPMC (gold and platinum), the bovine serum albumin (BSA) and microcrystalline cellulose (MCC) polymers, with optimal weight percentages of carbon nanotube (CNT) nanofiller, were also utilized as non-metallic electrodes to improve the efficiency of the IPMC actuator. In both models, IPMC with nanocomposite electrodes had higher efficiency as compared to the metallic electrodes. In model A, which moved eyelids indirectly, IPMC with MCC-CNT electrode generated a higher force (25.4%) and less stress (5.9 times) as compared to IPMC with BSA-CNT electrode. However, the use of model A (even with IPMCs) with nanocomposite electrodes can have limitations such as possible malposition issues in the eyelids (especially lower). IPMC with MCC-CNT nanocomposite electrode under model B, which moved eyelids directly, was the most efficient option to restore eyelid movement. It led to higher displacements and lower mechanical stress damage as compared to the BSA-CNT. This finding may provide surgeons with valuable data to open a window in the treatment of patients with ptosis.

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Section: Discussionmentioning

confidence: 99%

Enhanced Ionic Polymer–Metal Composites with Nanocomposite Electrodes for Restoring Eyelid Movement of Patients with Ptosis

et al. 2023

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“…Materials for energy storage using biochars, viz. supercapacitor electrodes, have also been proposed [ 95 , 96 ]. Carbonized leather waste has displayed high faradaic pseudocapacitance in acidic medium, 268 F g −1 [ 58 ], or 273 F g −1 [ 73 ] in 0.5 M sulfuric acid.…”

Section: Applicationsmentioning

confidence: 99%

Carbonized Leather Waste: A Review and Conductivity Outlook

et al. 2023

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The carbonization of collagen-based leather waste to nitrogen-containing carbon is reviewed with respect to the preparation, characterization of carbonized products, and applications proposed in the literature. The resulting nitrogen-containing carbons with fibrous morphology have been used as adsorbents in water pollution treatment, in electrocatalysis, and especially in electrodes of energy-storage devices, such as supercapacitors and batteries. Although electrical conductivity has been implicitly exploited in many cases, the quantitative determination of this parameter has been addressed in the literature only marginally. In this report, attention has been newly paid to the determination of conductivity and its dependence on carbonization temperature. The resulting powders cannot be compressed into pellets for routine conductivity determination. A new method has been used to follow the resistivity of powders as a function of pressure up to 10 MPa. The conductivity at this pressure increased from 9.4 × 10−8 S cm−1 for carbonization at 500 °C to 5.3 S cm−1 at 1000 °C. The conductivity of the last sample was comparable with conducting polymers such as polypyrrole. The carbonized leather thus has the potential to be used in applications requiring electrical conduction.

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“…In the energy field, nanocellulose membranes are being exploited to design components of energy storage systems, in the development of electrodes via direct carbonization of the cellulose nanofibrils or incorporation of conductive polymers (e.g., polypyrrole), carbon (e.g., carbon nanotubes) and metal/metal oxides (e.g., silver, manganese dioxide) phases ( Xiao et al, 2022 ). Nanocelluloses are also being explored as alternatives for components in energy generators like fuel cells, particularly as replacements for the ion-exchange membranes ( Vilela et al, 2019e ).…”

Section: Exploiting Nanocellulose Fibrils For the Production Of Novel...mentioning

confidence: 99%

Cellulose and protein nanofibrils: Singular biobased nanostructures for the design of sustainable advanced materials

Silva

Silvestre

Vilela

et al. 2022

Front. Bioeng. Biotechnol.

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Polysaccharides and proteins are extensively used for the design of advanced sustainable materials. Owing to the high aspect ratio and specific surface area, ease of modification, high mechanical strength and thermal stability, renewability, and biodegradability, biopolymeric nanofibrils are gaining growing popularity amongst the catalog of nanostructures exploited in a panoply of fields. These include the nanocomposites, paper and packaging, environmental remediation, electronics, energy, and biomedical applications. In this review, recent trends on the use of cellulose and protein nanofibrils as versatile substrates for the design of high-performance nanomaterials are assessed. A concise description of the preparation methodologies and characteristics of cellulosic nanofibrils, namely nanofibrillated cellulose (NFC), bacterial nanocellulose (BNC), and protein nanofibrils is presented. Furthermore, the use of these nanofibrils in the production of sustainable materials, such as membranes, films, and patches, amongst others, as well as their major domains of application, are briefly described, with focus on the works carried out at the BioPol4Fun Research Group (Innovation in BioPolymer based Functional Materials and Bioactive Compounds) from the Portuguese associate laboratory CICECO–Aveiro Institute of Materials (University of Aveiro). The potential for partnership between both types of nanofibrils in advanced material development is also reviewed. Finally, the critical challenges and opportunities for these biobased nanostructures for the development of functional materials are addressed.

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Nanocellulose and its derived composite electrodes toward supercapacitors: Fabrication, properties, and challenges

Cited by 163 publications

References 175 publications

Enhanced Ionic Polymer–Metal Composites with Nanocomposite Electrodes for Restoring Eyelid Movement of Patients with Ptosis

Enhanced Ionic Polymer–Metal Composites with Nanocomposite Electrodes for Restoring Eyelid Movement of Patients with Ptosis

Carbonized Leather Waste: A Review and Conductivity Outlook

Cellulose and protein nanofibrils: Singular biobased nanostructures for the design of sustainable advanced materials

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