Lithium Insertion Behavior of Nanoscopic Co<sub>3</sub>O<sub>4</sub>Prepared with Avian Egg Membrane as a Template

Christy, Maria; Jisha, M.R.; Kim, Ae-Rhan; Nahm, Kee-Suk; Yoo, Dong-Jin; Suh, Eun‐Kyung; Kumari, Tanya; Kumar, T. Prem; Stephan, A. Manuel

doi:10.5012/bkcs.2011.32.4.1204

Cited by 21 publications

(5 citation statements)

References 32 publications

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“…where D represents the average particle size of crystallites, λ is the X-ray wavelength, β is the full width at half maximum (FWHM) of the peak and θ is the Bragg's angle. The X-ray pattern of the synthesized Co3O4 nanoparticles displayed distinct peaks with both sharp and fine widths, affirming the high crystallinity [36]. The PEG/Co3O4 nanoparticles have extremely tiny crystallite sizes as shown in Table -1.…”

Section: Structural Studies Of Peg/ Co3o4 Via X-ray Diffraction (Xrd)mentioning

confidence: 54%

A Hybrid Synthesis Approach: Tailoring Photocatalytic Activity of Co3O4 Nanoparticles by PEG Functionalization

Kaur,

Kumar,

Kaur

et al. 2024

ajc

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This study presents a novel fusion of precipitation and hydrothermal methods for the synthesis of polyethylene glycol (PEG)-functionalized cobalt oxide (Co3O4) nanoparticles. The synthesized PEG/Co3O4 nanoparticles characterized using various techniques to elucidate their structure, composition, properties and application. The XRD analysis confirmed the formation of cubic phase of Co3O4 with a crystallite size of 2.04 nm. Two direct bandgap (Eg) transitions were observed at energy levels of 1.68 and 2.5 eV, exhibiting intensities that exceeded those reported in prior studies. The synthesized nanoparticles exhibited distinct structural features as revealed by FESEM and HRTEM investigations. Furthermore, the FTIR analysis provided evidence of interactions between PEG and Co3O4, suggesting successful functionalization. The high crystallinity of the PEG-mediated Co3O4 nanoparticles was further confirmed by the selected area electron diffraction (SAED) pattern. The XPS analysis revealed the presence of Co2+ and Co3+ ions, along with defect sites, confirming the successful synthesis of Co3O4 NPs with controlled oxidation states. These findings offer valuable insights into the chemical composition and electronic structure of the synthesized PEG-mediated Co3O4 nanoparticles. The photocatalytic activity of the PEG/Co3O4 nanoparticles was evaluated through the degradation of Congo red dye, a typical azo dye pollutant. The study revealed that PEG/Co3O4 (dose 200 mg L-1) acted as an efficient photocatalyst for Congo red degradation. These results suggest that PEG-mediated Co3O4 nanoparticles hold promising potential as efficient photocatalysts for the treatment of wastewater containing organic contaminants.

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Section: Structural Studies Of Peg/ Co3o4 Via X-ray Diffraction (Xrd)mentioning

confidence: 54%

A Hybrid Synthesis Approach: Tailoring Photocatalytic Activity of Co3O4 Nanoparticles by PEG Functionalization

Kaur,

Kumar,

Kaur

et al. 2024

ajc

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“…The purified AP is being used as starting materials for the synthesis of lithium perchlorate (LP) derivatives. Generally, LP is used in lithium ion polymer batteries as an electrolyte in a gel‐type mixture with propylene carbonate and dimethoxyethane [22–25]. This project could have great significance in demilitarization research because transformation of obsolete ammunition into energy‐related materials has not previously been realized.…”

Section: Introductionmentioning

confidence: 99%

Recovery of Ammonium Perchlorate from Obsolete Ammunition and Its Application in Synthesis of Lithium Perchlorate

Shim¹,

Yoo

et al. 2021

Propellants Explo Pyrotec

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Ammonium perchlorate (AP) is used as a strong solid oxidizer in propellants, gun powder, fireworks, and light signals. Recycling or recovery of AP from demilitarization or outdated propellant items is a challenging task. Herein, we report the purchase of recycled crude AP from commercially, and then subsequently AP was purified through filtration with activated carbon and recrystallization. After recrystallization, the yield of AP was 85 %, and the resultant product was characterized by various techniques including Fourier‐transform infrared spectroscopy, nuclear magnetic resonance spectroscopy, X‐ray diffraction, scanning electron microscopy, and inductively coupled plasma mass spectrometry. These results indicate that recrystallized AP had excellent purity and crystallinity compared to crude AP. In addition, purified AP was used as source material for the synthesis of lithium perchlorate (LP), which was characterized using various analytical techniques. This process provides a new avenue for recycled AP that could be effectively used as starting material for synthesis of LP.

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“…The fluctuation in oil prices and associated global warming issues have accelerated extensive research in finding alternative energy resources. , Although lithium-ion batteries (LIBs) find an inevitable place in portable electronic devices, improvements in energy density, cycle life, and safety for hybrid electric vehicle applications are still needed. , Several attempts have been widely made to improve the performance of cathode anode and solid electrolytes (SEs) . Nonaqueous liquid electrolytes, which are widely employed in the commercialized LIBs, are highly inflammable and prone to cause poor safety issues .…”

Section: Introductionmentioning

confidence: 99%

Physical and Interfacial Studies on Li_0.5La_0.5TiO₃- Incorporated Poly(ethylene oxide)-Based Electrolytes for All-Solid-State Lithium Batteries

et al. 2021

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The poly(ethylene oxide)-based hybrid solid polymer electrolytes (HSPE) of different compositions comprising Li 0.5 La 0.5 TiO 3 (LLTO) and lithium bis(trifluoromethanesulfonyl)imide (LiTFSI) have been prepared by hot-press method. The prepared membranes were characterized by differential scanning calorimetry (DSC), thermogravimetric (TG), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR) spectroscopy, nuclear magnetic resonance (NMR), and tensile analyses. By assembling Li/HSPE/Li symmetric cells, the electrochemical and interfacial properties such as Li + transference number, lithium dendrite, and compatibility of HSPE with lithium metal were studied at 60 °C. The ionic conductivity measurements revealed that HSPE membrane containing 20% Li 0.5 La 0.5 TiO 3 exhibited a maximum value of 8.7 × 10 −4 S cm −1 at 60 °C. The addition of LLTO as a filler not only enhanced the ionic conductivity and thermal and mechanical stabilities but also improved the electrochemical and interfacial properties appreciably. The enhanced performance of HSPE was attributed to the interaction between the polymeric host and the added filler, which was further confirmed by NMR and FTIR studies.

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Lithium Insertion Behavior of Nanoscopic Co₃O₄Prepared with Avian Egg Membrane as a Template

Cited by 21 publications

References 32 publications

A Hybrid Synthesis Approach: Tailoring Photocatalytic Activity of Co3O4 Nanoparticles by PEG Functionalization

A Hybrid Synthesis Approach: Tailoring Photocatalytic Activity of Co3O4 Nanoparticles by PEG Functionalization

Recovery of Ammonium Perchlorate from Obsolete Ammunition and Its Application in Synthesis of Lithium Perchlorate

Physical and Interfacial Studies on Li_0.5La_0.5TiO₃- Incorporated Poly(ethylene oxide)-Based Electrolytes for All-Solid-State Lithium Batteries

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Lithium Insertion Behavior of Nanoscopic Co3O4Prepared with Avian Egg Membrane as a Template

Cited by 21 publications

References 32 publications

A Hybrid Synthesis Approach: Tailoring Photocatalytic Activity of Co3O4 Nanoparticles by PEG Functionalization

A Hybrid Synthesis Approach: Tailoring Photocatalytic Activity of Co3O4 Nanoparticles by PEG Functionalization

Recovery of Ammonium Perchlorate from Obsolete Ammunition and Its Application in Synthesis of Lithium Perchlorate

Physical and Interfacial Studies on Li0.5La0.5TiO3- Incorporated Poly(ethylene oxide)-Based Electrolytes for All-Solid-State Lithium Batteries

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Product

Resources

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Lithium Insertion Behavior of Nanoscopic Co₃O₄Prepared with Avian Egg Membrane as a Template

Physical and Interfacial Studies on Li_0.5La_0.5TiO₃- Incorporated Poly(ethylene oxide)-Based Electrolytes for All-Solid-State Lithium Batteries