Topic Review
Direct Borohydride–Hydrogen Peroxide Fuel Cell
Direct liquid fuel cells (DLFCs) operate directly on liquid fuel instead of hydrogen, as in typical proton-exchange membrane fuel cells (PEMFCs). DLFCs have the advantages of higher energy densities and fewer issues with the transportation and storage of their fuels compared with compressed hydrogen and are adapted to mobile applications. Among DLFCs, the direct borohydride–hydrogen peroxide fuel cell (DBPFC) is one of the most promising DLFC technologies. DBPFCs are fed sodium borohydride (NaBH4) as the fuel and hydrogen peroxide (H2O2) as the oxidant. 
  • 137
  • 08 Dec 2023
Topic Review
Technical and Economic Viability of Underground Hydrogen Storage
The concept of underground hydrogen storage (UHS) is less known than its natural gas counterpart, which is expected due to its less significant role in the past. Despite this, the insights gained with natural gas can be applied to hydrogen storage due to the shared cavern design and operation.
  • 33
  • 08 Dec 2023
Topic Review
Adverse Impact of Additive Carbon Material on Microorganisms
Biochar could be a brilliant additive supporting the anaerobic fermentation process. However, it should be taken into account that in some cases it could also be harmful to microorganisms responsible for biogas production. The negative impact of carbon materials could be a result of an overdose of biochar, high biochar pH, increased arsenic mobility in the methane fermentation solution caused by the carbon material, and low porosity of some carbon materials for microorganisms. 
  • 35
  • 08 Dec 2023
Topic Review
High-Density Polyethylene
Due to its mechanical, rheological, and chemical properties, high-density polyethylene (HDPE) is commonly used as a material for producing the pipes for transport of various media.Low thermal conductivity (0.4 W/mK) narrows down the usage of HDPE in the heat exchanger systems.
  • 14
  • 08 Dec 2023
Topic Review
Catalysis for Biogas Steam Reforming
Hydrogen production from natural gas or biogas, at different purity levels, has emerged as an important technology with continuous development and improvement in order to stand for sustainable and clean energy. Regarding biogas, which can be obtained from multiple sources, hydrogen production through the steam reforming of methane is one of the most important methods for its energy use. In that sense, the role of catalysts to make the process more efficient is crucial, normally contributing to a higher hydrogen yield under milder reaction conditions in the final product.
  • 11
  • 08 Dec 2023
Topic Review
Crumb Rubber
The crumb rubber (CR) recycled from waste tyres could be a viable alternative in achieving green pavements that offer exciting new markets to global investors. Adding CR into flexible pavements enhances their performance and ensures environmental sustainability.
  • 21
  • 08 Dec 2023
Biography
Munder Bilema
  Dr. Munder Bilema is a Lecturer in public and private universities. He obtained his Bachelor's in Civil Engineering (Concrete) in 2013 from the University of Benghazi and a Master's in Civil Engineering (Asphalt Additives) in 2017 from Universiti Tun Hussein Onn Malaysia. He completed his Ph.D. in Civil Engineering (Asphalt Recycling) at the Universiti Tun Hussein Onn Malaysia in 2021. His Ph.
  • 12
  • 08 Dec 2023
Topic Review
Wireless Communication Technologies for Localization
The rapid development of information communication and artificial intelligence (AI) technology is driving innovation in various new application fields such as autonomous driving, augmented reality, and the metaverse. In particular, the advancement of wireless localization technology plays a great role in these cutting-edge technologies. However, traditional wireless localization systems rely on the global navigation satellite system (GNSS), which is ineffective in indoor or underground environments. To overcome this issue, indoor positioning systems (IPS) have gained attention, and various localization techniques utilizing wireless communication were studied. Subsequently, AI technologies are improving the performance of wireless localization and addressing problems that were previously difficult to solve. 
  • 23
  • 08 Dec 2023
Topic Review
Principles of Modularity in Timber Buildings
When facing the increasing demands of the housing market and balancing the requirements of sustainable development in the construction sector, building design methods should practise material conservation and adopt carbon reduction measures to alleviate the current environmental burden through the implementation of a circular economy approach. Volumetric modular timber design is recognised as a practical application to test the feasibility of a waste-reduced approach. 
  • 17
  • 08 Dec 2023
Topic Review
Vehicular Ad Hoc Network
Vehicular ad hoc networks (VANETs), which are integral to the infrastructure of intelligent transport systems, facilitate the critical exchange of information between vehicular nodes.
  • 71
  • 08 Dec 2023
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