Electrifying transportation is a promising approach to alleviate climate change issues arising from increased emissions. This study examines a system for the production of hydrogen using renewable energy sources as well as its use in buses. The electricity requirements for the production of hydrogen through the electrolysis of water, are covered by renewable energy sources. Fuel cells are being...

First principles methods can provide the structure and electrical properties of defects in silicon. The theory behind these calculations is presented and illustrated for a number of defect systems. In particular, the energy levels of transition metal hydrogen defects are described along with those of radiation induced complexes.

The use of electrochemically active bacteria to break down organic matter, combined with the addition of a small voltage (> 0.2 V in practice) in specially designed microbial electrolysis cells (MECs), can result in a high yield of hydrogen gas. While microbial electrolysis was invented only a few years ago, rapid developments have led to hydrogen yields approaching 100%, energy yields based on...

Currently, there is an enormous amount of energy available from salinity gradients, which could be used for clean hydrogen production. Through the use of a favorable oxygen reduction reaction (ORR) cathode, the projected electrical energy generated by a single pass ammonium bicarbonate reverse electrodialysis (RED) system approached 78 W h m(-3). However, if RED is operated with the less favora...

This study is aimed at scrutinizing the domestic solar energy potential for electricity and hydrogen production. Under first scenario, it sought to evaluate generation household purposes using RSUs (rooftop units). Then, under second production analyzed purpose of meeting a vehicle demand. For this, one aptest cities, Yazd, located in center Iran investigated. Furthermore, real-world electric l...

Although biogas has many qualities as a source of renewable and distributed energy, most full-scale applications are large facilities due to the lack efficient small-scale systems. In this context, solid oxide fuel cells (SOFC) have been promoted an alternative convert into electricity heat with high efficiency. However, few studies considered use anode exhaust gas co-produce green hydrogen tog...