Author: Arnes Biogradlija

TOTALENERGIES ONETECH recently filed a patent for an installation to convert natural gas into hydrogen. This process involves several key components: a bromination unit, a conversion unit, a physical separation unit, and an electrolysis unit. The patent’s inventors aim to enhance the efficiency and output of chemical conversion from natural gas, providing a streamlined solution for industrial applications. Features and Improvements One of the standout features of this patented installation is its integrated series of units fluidically connected to optimize chemical conversion. The system includes:- Bromination Unit: Comprising at least one bromination reactor and one or more dibromomethane separators, ensuring…

A patent filed by L’Air Liquide, “Device for Storing and Supplying Cryogenic Fluid,” proposes a state-of-the-art technology designed explicitly for storing and supplying liquefied hydrogen. Features and Improvements The patented device presents several unique features that distinguish it from existing technologies in the field. It includes a cryogenic storage tank for liquefied hydrogen, a bleed-off circuit, and a sophisticated system for pressurizing the tank. This system consists of a pressurizing duct connected to the upper and lower portions of the storage tank, a vaporizing heat exchanger, and several valves that regulate liquid flow. One significant improvement is the ability of…

Hitachi Ltd. has made strides in hydrogen production technology with its latest patent. This patent features an advanced hydrogen production system aimed at optimizing the control and efficiency of electrolyzer operations. Unique Features and Innovations The key innovation of this hydrogen production system lies in its structured approach to controlling multiple electrolyzers. The patented system includes:1. Series Connection of Electrolytic Pairs: The system features multiple electrolytic pairs (A100A and B100B) connected in series, each consisting of an electrolytic cell and an AC/DC converter.2. Dummy Pair Integration: A dummy pair, comprising a capacitor and an AC/DC converter, is connected in series…

A recent study titled “Research on Safety Resilience Evaluation of Hydrogen Station Based on System Dynamics Modeling” was published in the International Journal of Hydrogen Energy. The research was conducted by a team of scientists, including Jixin Zhang, Jianyu Qiao, Jincan Zhuo, Jiahui Wei, Lan Wang, Zhonghao Li, Shihao Zhang, and Qiuju You. Context and Relevance Hydrogen stations are critical infrastructure for the burgeoning hydrogen economy, which promises a clean alternative to fossil fuels. Ensuring the safety and resilience of these stations is paramount to gaining public trust and facilitating widespread adoption. This research fits within a broader industry effort…

A recent study published in the International Journal of Hydrogen Energy offers insights into the comparative benefits and challenges of electric and hydrogen mobility infrastructures. Titled “Comparative study of electric and hydrogen mobility infrastructures for sustainable public transport: A PyPSA optimization for a remote island context,” this research is an important contribution to ongoing efforts to decarbonize public transport systems. Context and Relevance Hydrogen and electric vehicles are at the forefront of sustainable transport innovations. The study by Rozzi et al. delves into the critical question of how these two technologies stack against each other in the distinctive setting of…

The Romanian Energy Authority issued a new tender titled “Development and Implementation of Hydrogen Infrastructure Projects,” with a submission deadline of September 30, 2024. This tender is crucial for advancing the hydrogen industry in Romania, aiming to foster sustainable energy solutions and reduce carbon emissions. The primary objective of this tender is to invite proposals for the development of comprehensive hydrogen infrastructure, including production, storage, and distribution systems. The Romanian Energy Authority seeks innovative solutions that can be integrated into the national energy grid, enhancing energy security and promoting clean energy sources. Key requirements for the tender include the design…

The Belgian government has announced a new tender titled “Hydrogen Infrastructure Expansion and Testing Initiatives,” published on July 19, 2024, with a submission deadline set for September 30, 2024. This tender marks a significant step in Belgium’s commitment to advancing its hydrogen energy sector, reflecting its strategic push towards sustainable energy solutions. The main objectives of the tender are to identify and contract with organizations capable of developing cutting-edge evaluation and testing instruments for hydrogen infrastructure. This includes “isolateurs pour tests de stérilité” or isolators for sterility tests, which are crucial for ensuring the safety and efficiency of hydrogen processing…

A new study titled “Experimental investigation and simulation on a small-scale open hydrogen liquefaction system with stepwise cooling” by authors Yujing Bi, Yifan Xu, and Yonglin Ju presents promising results in the field of hydrogen research, addressing the critical challenge of efficient liquefaction. Overview and Relevance Hydrogen liquefaction is pivotal for storing and transporting hydrogen, which is crucial for advancing the hydrogen economy. Efficient liquefaction processes can significantly impact the viability of hydrogen as a sustainable energy resource. This study explores a novel small-scale open hydrogen liquefaction system employing stepwise cooling, aiming to enhance the efficiency and practicality of hydrogen…

A recent review article titled “A Review of Underground Hydrogen Storage Systems: Current Status, Modeling Approaches, Challenges, and Future Prospective” has been published in the International Journal of Hydrogen Energy. Authored by Shree Om Bade, Kemi Taiwo, Uchenna Frank Ndulue, Olusegun Stanley Tomomewo, and Babalola Aisosa Oni, this paper meticulously examines underground hydrogen storage (UHS) systems—a critical component in the burgeoning hydrogen industry. Relevance in the Hydrogen Industry The study’s relevance cannot be overstated, as hydrogen is viewed as a promising clean energy carrier capable of playing a vital role in mitigating climate change. Practical storage solutions are essential to…

A team of researchers led by Ralston Pinto, Fabian Welschinger, Nils Giesselmann, Holger Reinshagen, and Norbert H. Menzler has made strides in hydrogen energy technology with their latest study published in the International Journal of Hydrogen Energy. The paper, titled “A Constitutive Model for Homogenized Solid Oxide Cell Contacts with Dimensional Tolerances,” delves into developing a new model that could potentially enhance the efficiency and durability of solid oxide cells (SOCs). Relevance to the Hydrogen Industry Solid oxide cells, integral to converting chemical energy into electrical energy, are recognized for their high efficiency and fuel flexibility within the hydrogen industry.…