Jumras Limtrakul

TL;DR: In this article, the structure-activity relationship of amorphous (a-), tetragonal (t-), monoclinic (m-) ZrO 2 phase supported copper catalysts for methanol synthesis from CO 2 hydrogenation were investigated with X-ray diffraction (XRD), high resolution transmission electron microscopy (HR-TEM), N 2 O chemisorption, H 2 -temperature programmed reduction (H 2 -TPR), Xray absorption spectroscopy (XAS), H 2 and CO 2 temperature-programmed des

TL;DR: The results show that including the extra elements of kinetic energy density and Hartree-Fock exchange energy density into gradient approximation density functionals does not usually improve them, and the N12 NGA functional is shown to be almost as accurate as PBE for bulk transition metals, and thus it could be a good choice for studies of catalysis given its proven good performance for molecular species.

TL;DR: In this paper, a supercapacitor electrode of manganese oxide/reduced graphene oxide nanocomposite coated on flexible carbon fiber paper (MnO2-rGO/CFP) was reported.

TL;DR: A systematic study shows that PW91 and PBE consistently provide the smallest differences between the calculated and experimental values, which may be the origin for the reduced surface chemical activity and the better performance of RPBE describing adsorption energies.

TL;DR: A novel asymmetrical supercapacitor of battery-type MnCo2O4 nanofibers//N-doped reduced graphene oxide aerogel (N-rGOAE) was fabricated in this work and leads to the awareness of the uncertain charge storage mechanism of the spinel-type oxide materials.