Article Per Year (5 Year)
p-Index From 2021 - 2026
0.444
P-Index
This Author published in this journals
All Journal International Journal of Renewable Energy Development International Journal of Renewable Energy Development
Mopoung, Sumrit
Unknown Affiliation
Chemistry Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
Preparation of Anode Material for Lithium Battery from Activated Carbon Mopoung, Sumrit; Sitthikhankaew, Russamee; Mingmoon, Nantikan
International Journal of Renewable Energy Development Vol 10, No 1 (2021): February 2021
Publisher : Center of Biomass & Renewable Energy, Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ijred.2021.32997

Abstract

This research study describes the preparation of corncob derivedactivated carbon to be used as anodematerial for the preparation of lithium ion battery.The corncob was activated at 900 °C for 3 hours with KOH used in a 1:3 weight ratio.The final product was analyzed for chemical, physical, and electrical properties.The results show that the activated carbon is amorphous and contains some graphitic carbon with interconnected nano-channels. Furthermore,carboxyl functional groups were detected on the surface of the activated carbon product.The observed morphological characteristics in terms of surface area, total pore volume, micropore volume, and average pore size are 1367.4501 m²/g, 0.478390 cm³/g, 0.270916 cm³/g, and 2.10872 nm, respectively.In addition, the product also exhibits low electrical resistance in the range 0.706W-1.071W.Finally, the specific discharge capacities at the 1st and the 2nd cycles of the corncob derived activated carbon anode material were 488.67mA h/g and 241.45 mA h/g, respectively with an average of about 225 Ah/kg between the 3rd cycle and the 5th cycle. The averagespecific charge capacities/specific discharge capacities at increasing charging rate of 0.2C, 0.5C, 1C, 2C, and 5C were approximated 190 mAh/g, 155 mAh/g, 135 mAh/g, 120 mAh/g, and 75 mAh/g, respectively, with 100%Coulombic efficiency in all 5 cycles.It was shown that the corncob derived activated carbon anode material has a relatively high rate capability, high reversibility, and rapid and stable capacity when compared to the general of biomass-derived carbon
Cotton-derived biochar fibers modified by doping Al2O3 and MgSO4 for application to hydrogen storage Mopoung, Sumrit; Singse, Wanvilai
International Journal of Renewable Energy Development Vol 14, No 3 (2025): May 2025
Publisher : Center of Biomass & Renewable Energy (CBIORE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61435/ijred.2025.61128

Abstract

Biochar fiber and activated biochar fibers from cotton fiber were prepared by carbonization at 400-700°C and activation with 5 wt.% Al2O3 and MgSO4, respectively. The final products were characterized by BET, FTIR, XRD, and SEM-EDS. The hydrogen storage of the final products at 1.5 bar pressure and room temperature was studied. The objective of this research was to study the effects of Al2O3 or MgSO4 on activation and doping of Al or Mg compounds on cotton fibers and hydrogen storage of products at low pressure and room temperature. The results showed that the surface areas, micropore volumes, and average pore sizes developed well with increasing carbonization temperatures from 400°C to 700°C. In addition, the surface functional groups such as OH, C=O, COOH and C-O-C were also more developed with increasing carbonization temperature. Furthermore, the results confirmed that MgO or Al2O3 accumulated on the surface of the composites. The results of hydrogen storage showed that hydrogen uptake capacity due to spillover mechanism increased with increasing of carbonization temperature from 400°C to 700°C during the preparation of biochar fiber and activated biochar fibers. The hydrogen capacity at room temperature and 1.5 bar fell within the range of 0.32-0.44 wt.%, 0.45-0.52 wt.%, and 0.59-0.63 wt.% for biochar fiber, Mg-activated biochar fibers, and Al-activated biochar fibers, respectively. This is because hydrogen molecules bonded on the surface of the products with physisorption. Therefore, hydrogen desorbs even at low temperature. It was concluded that metal biochar fibers made from cotton fiber with doping and activation by Al2O3 and MgSO2 at 400-700°C are candidate adsorbers for hydrogen storage under 1.5 bar and room temperature with fast kinetics (within 30 min), quite high sorption selectivity/capacity (up 0.63 wt.%), and sorption stability/reversibility (at room temperature and 80°C).
Co-Authors Mingmoon, Nantikan Singse, Wanvilai Sitthikhankaew, Russamee