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13.318  Articles
1 of 1.333 pages  |  10  records  |  more records»
Developing bi-functional electrocatalysts for both oxygen reduction reaction (ORR) and hydrogen evolution reaction (HER) is crucial for enhancing the energy transfer efficiency of metal–air batteries and fuel cells, as well as producing hydrogen wit... see more

Abstrak. Teknologi penyimpan energi elektrokimia yang ramah lingkungan merupakan aspek yang penting dalam menunjang kinerja sistem konversi energi terbarukan. Studi ini menyiapkan elektroda superkapasitor berbahan asal karbon aktif berpori limbah daun pis... see more

Abstrak. Teknologi penyimpan energi elektrokimia yang ramah lingkungan merupakan aspek yang penting dalam menunjang kinerja sistem konversi energi terbarukan. Studi ini menyiapkan elektroda superkapasitor berbahan asal karbon aktif berpori limbah daun pis... see more

Climate change is increasingly clear and threatening to human life. One of the consequences of climate change is the increase of sea level leading to saline intrusion and serious shortage of fresh water. Today, some technologies are used to treat saline w... see more

The purpose of this work is to expand the class of electrical energy storage devices with non-conjugate functional hybridity. Cyclodextrins of ß- and ?-modifications has used as a starting material for research. These materials containing intramolecular v... see more

In the present paper, porous materials were prepared from the hydrothermal treatment of aqueous solutions of tannin, a renewable phenolic resource extracted from tree barks, containing dissolved salts of transition metals: V, Cr, Ni and Fe. Hydrothermal t... see more

Conventional sand is commonly used in water and wastewater treatment as filter media. However, such effective media may fully or partially replace agro-based materials for less critical applications, including stormwater quality control. This paper highli... see more

The world is clamoring for green synthetic modes of scientific and technological operations. From this point of view, an attempt was made to prepare activated carbon from rice husk using aqueous bitter leaf extract and a mineral acid (H2SO4) separately. T... see more

The rise of carbon dioxide (CO2) emission due to the rapid economic growth becomes a global issue since it is the major factor of global warming and climate change. Hence, improving the efficiency of the CO2 capture technology is up most important. CO2 ca... see more

1 of 1.333 pages  |  10  records  |  more records»