Carbon Substrates for Flexible Supercapacitors and Energy Storage Applications

Mousavi, Seyyed Mojtaba; Hashemi, Seyyed Alireza; Parvin, Najmeh; Lai, Chin Wei; Bahrani, Sonia; Chiang, Wei‐Hung; Mazraedoost, Sargol

doi:10.1002/9781119711469.ch5

Cited by 3 publications

(2 citation statements)

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“…This calls for innovation and adaptation of existing materials and technologies to develop flexible and stretchable planar supercapacitors while maintaining their mechanical strength and high performance characteristics, which in turn depend on the active electrode material, Materials 2023, 16, 5208 2 of 13 as well as the supporting substrate. Some of the most popular substrate materials for such devices today are different carbon materials (e.g., carbon fiber, carbon paper, carbon veil), whose advantages include high electrical conductivity, mechanical strength with a large number of bending/folding cycles, environmental friendliness, and high availability of these materials [13,14]. Transition metal oxides (TMO) can be highlighted as the active electrode material of supercapacitors, possessing a pseudocapacitance effect, which leads to higher specific capacitance values compared to electric double-layer capacitors (EDLC) [15][16][17][18].…”

Section: Introductionmentioning

confidence: 99%

Hydrothermal Synthesis of a Cellular NiO Film on Carbon Paper as a Promising Way to Obtain a Hierarchically Organized Electrode for a Flexible Supercapacitor

et al. 2023

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The formation of a cellular hierarchically organized NiO film on a carbon paper substrate under hydrothermal conditions using triethanolamine as a base has been studied. The thermal behavior of the carbon paper substrate with the applied semi-product shell was studied using synchronous thermal analysis (TGA/DSC) and it was demonstrated that such modification of the material surface leads to a noticeable increase in its thermal stability. Using scanning electron microscopy (SEM), it was shown that the NiO film grown on the carbon fiber surface is characterized by a complex cellular morphology, organized by partially layered individual nanosheets of about 4–5 nm thickness and lateral dimensions up to 1–2 μm, some edges and folds of which are located vertically relative to the carbon fiber surface. The surface of the obtained material was also examined using atomic force microscopy (AFM), and the electronic work function of the oxide shell surface was evaluated using the Kelvin probe force microscopy (KPFM) method. The electrochemical parameters of the obtained flexible NiO/CP electrode were analyzed: the dependence of the specific capacitance on the current density was determined and the stability of the material during cycling was studied, which showed that the proposed approach is promising for manufacturing hierarchically organized electrodes for flexible supercapacitors.

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Section: Introductionmentioning

confidence: 99%

Hydrothermal Synthesis of a Cellular NiO Film on Carbon Paper as a Promising Way to Obtain a Hierarchically Organized Electrode for a Flexible Supercapacitor

et al. 2023

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“…Graphene could easily modify various surfaces as used, making it an excellent material with a few side effects [15,16]. Doping nitrogen on GQDs was first introduced in 2012, and from that point onward, more endeavors have been made for investigating various techniques for DFCDs with different heteroatoms [17][18][19]. Yet, before treating individuals with diabetes, the precise, quick, and stable discovery of glucose level is the most extreme genuine errand for the individuals who will probably get individuals with diabetes [20].…”

Section: Introductionmentioning

confidence: 99%

Precise Blood Glucose Sensing by Nitrogen‐Doped Graphene Quantum Dots for Tight Control of Diabetes

et al. 2021

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Graphene quantum dots (GQD) are novel fluorescent carbon nanomaterials based on a graphite structure. Thanks to extraordinary properties such as high surface area and enhanced prevalent optical properties, they have received more interest for special applications. Glucose sensing is a critical factor for the diagnosis, and treatment of diabetes plays an important role and could contribute to the monitoring of diabetes and other related parameters, which has been effectively underscoring the health society. Detecting glucose has been cultivated through different systems, for example, electrochemical or optical techniques. Novel transducers made with GQD that fluorescent coordinate methods have considered the improvement of cutting-edge glucose sensors with prevalent affectability and accommodation. Currently, detection of glucose by nitrogen-doped GQD frameworks concerning the determined objectives has been considerably considered. Here, we explored the properties of fluorescent nitrogen-doped GQD as an excellent and effective index that significantly could promote nitrogen-doped GQDs and make them an appropriate candidate for detecting glucose.

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