Facile synthesis of activated carbon derived from Eucalyptus globulus seed as efficient electrode material for supercapacitors

Rajasekaran, Sofia Jeniffer; Raghavan, Vimala

doi:10.1016/j.diamond.2020.108038

Cited by 75 publications

(16 citation statements)

References 53 publications

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“…Furthermore, very few studies are reported on using eucalyptus biomass, e.g., its seeds, leaves and barks as precursors for synthesizing SC materials. [ 35–37 ] These studies followed process involving conventional high activation temperature (800 °C or higher) by treating with ZnCl 2 or with KOH. Such high temperature process was primarily aimed for achieving high surface area which are favorable for charge accumulation process via ion accessibility to the active electrode materials.…”

Section: Introductionmentioning

confidence: 99%

Oxygen‐Rich Porous Activated Carbon from Eucalyptus Wood as an Efficient Supercapacitor Electrode

Atika

Dutta

2021

Energy Tech

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Herein, lignin‐rich KOH‐activated porous carbon from eucalyptus wood (named as PACE) is presented as an efficient electrode for supercapacitors (SCs). Compared with the most commonly used higher activation temperature, i.e., 800 °C with KOH (PACE‐800), a more efficient SC is developed by activating carbon with KOH at lesser temperature, i.e., 600 °C (PACE‐600). The high specific capacitance (i.e., 230 F g−1 at 1 A g−1 measured in a 2 m NaCl electrolyte) measured by galvanostatic charge–discharge (GCD) studies is not primarily due to larger surface area, but due to the inherent electron‐rich oxygen‐based functionalities that persist at the lower activation temperature, contributing to the hydrophilic nature to PACE‐600. The mechanism of the capacitive charge storage is deduced from electrochemical impedance spectroscopy (EIS). The application of PACE‐600 as a SC electrode is confirmed from insignificant loss in the specific capacitance after 10 000 charging–discharging cycles, recorded at 10 A g−1. Further, fabrication of higher‐voltage (1.6 V) symmetric SC PACE‐600//PACE‐600 in aqueous neutral electrolyte (2 m NaCl) is presented, which illuminates a red LED (1.8 V) for 1 min after charging for 5 s. The corresponding energy density is calculated to be 41 W h kg−1, and at a power density of 2396 W kg−1.

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Section: Introductionmentioning

confidence: 99%

Oxygen‐Rich Porous Activated Carbon from Eucalyptus Wood as an Efficient Supercapacitor Electrode

Atika

Dutta

2021

Energy Tech

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“…So as to streamline more secure nanoparticle manufacture, it is famous to utilize bio-based procedures limiting the risky types of material creation. Utilizing models from nature, the way that living beings make inorganic materials during bio-guided courses ought to be received as a propelled way to deal with NPs get together (101)(102)(103)(104). Normally, biomineralization strategies create bimolecular models, which identify with nano-scaled inorganic materials, prompting skilled and controlled amalgamations.…”

Section: Biological Aspects Of Green Synthesismentioning

confidence: 99%

Biogenic Green Synthesis of Nanoparticles from Living sources with Special Emphasis on Their Biomedical Applications

Ga¹,

Nanda²,

Chakravorty³

et al. 2021

Preprint

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Nanobiotechnology has been achieved great significance in terms of nanomedicine & many others. But the first challenge in nanobiotechnology science is the preparation of stable nanoparticles. Presently, many preparation methods have been developed like different chemical & physical processes, but the main drawbacks of these processes are required hazardous chemicals, environmental impact, and ultimately expenses a lot. To overcome these challenges another advanced technology has been developed, which is termed green or biogenic synthesis. This review is discussing the modern approaches of the eco-friendly and cost-effective methodology of green synthesis of nanoparticles by using different eukaryotic & prokaryotic agents like plants, human cell lines, diatoms, algae, fungi, bacteria, viruses, and other organisms. Also, this review gives a clear idea of the different applications of those nanoparticles in drug delivery, dentistry, labeling, diagnostics & sensors.

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“…Seeds of E. globulus are exploited as a source of porous carbon, which proves its performance as a highly efficient supercapacitor and energy storage material [ 74 ]. Eucalyptus wood is a naturally renewable resource consisting of regularly ordered cells that contain different quantities of lignin, cellulose, and hemicelluloses [ 75 ].…”

Section: Eucalyptus In a General Viewmentioning

confidence: 99%

Toward a Better Understanding of Metal Nanoparticles, a Novel Strategy from Eucalyptus Plants

Sawalha

Abiri

Sanusi

et al. 2021

Plants

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Nanotechnology is a promising tool that has opened the doors of improvement to the quality of human’s lives through its potential in numerous technological aspects. Green chemistry of nanoscale materials (1–100 nm) is as an effective and sustainable strategy to manufacture homogeneous nanoparticles (NPs) with unique properties, thus making the synthesis of green NPs, especially metal nanoparticles (MNPs), the scientist’s core theme. Researchers have tested different organisms to manufacture MNPs and the results of experiments confirmed that plants tend to be the ideal candidate amongst all entities and are suitable to synthesize a wide variety of MNPs. Natural and cultivated Eucalyptus forests are among woody plants used for landscape beautification and as forest products. The present review has been written to reflect the efficacious role of Eucalyptus in the synthesis of MNPs. To better understand this, the route of extracting MNPs from plants, in general, and Eucalyptus, in particular, are discussed. Furthermore, the crucial factors influencing the process of MNP synthesis from Eucalyptus as well as their characterization and recent applications are highlighted. Information gathered in this review is useful to build a basis for new prospective research ideas on how to exploit this woody species in the production of MNPs. Nevertheless, there is a necessity to feed the scientific field with further investigations on wider applications of Eucalyptus-derived MNPs.

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Facile synthesis of activated carbon derived from Eucalyptus globulus seed as efficient electrode material for supercapacitors

Cited by 75 publications

References 53 publications

Oxygen‐Rich Porous Activated Carbon from Eucalyptus Wood as an Efficient Supercapacitor Electrode

Oxygen‐Rich Porous Activated Carbon from Eucalyptus Wood as an Efficient Supercapacitor Electrode

Biogenic Green Synthesis of Nanoparticles from Living sources with Special Emphasis on Their Biomedical Applications

Toward a Better Understanding of Metal Nanoparticles, a Novel Strategy from Eucalyptus Plants

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