Hydrogen Energy Industry Research Articles

Spatial optimization strategies for China’s hydrogen infrastructure industry chain

Promoting the development of China’s hydrogen energy industry is crucial for achieving green energy transition. However, existing research lacks systematic studies on the spatial layout of the hydrogen industry chain. This study constructed a comprehensive theoretical framework encompassing hardware infrastructure, software systems, and soft power. Using multi-source heterogeneous data, GIS analysis, and NVivo text coding methods, the current regional layout and challenges of China’s hydrogen infrastructure industry chain were systematically evaluated. The findings determined that economically developed eastern regions lead in infrastructure and soft power, while central and western regions leverage their resource and manufacturing advantages. Major challenges include regional imbalances in hardware infrastructure, uneven distribution of soft power, and misalignment between software systems and actual needs. Analysis of the “14th Five-Year Plan” of various regions elucidated deep insights into the diversity of local hydrogen energy development strategies, identifying five types of hydrogen cities: resource-advantaged, market-oriented, regionally collaborative, innovation-driven, and policy-supported. Accordingly, strategies to enhance industry chain synergy, clarify city roles, and optimize regional ecosystems were proposed. It is recommended to integrate hydrogen infrastructure with urban planning and incorporate environmental impact assessments into spatial optimization decisions. This study provides a systematic analytical framework and progressive policy recommendations for the efficient and green layout of China’s hydrogen infrastructure, offering important implications for the sustainable development of the hydrogen industry and other rapidly developing economies.

Economic analysis of hydrogen production from electrolyzed water technology by provinces in China

A novel model for measuring the economics of hydrogen generation via electrolytic water projects was constructed. The model overcomes the current problem of incomplete and inaccurate assessments of the price of producing hydrogen via water, which are caused by ignoring the indirect carbon costs of different power generation sources in the process of determining the cost of producing hydrogen via water. The model was used to analyze the price of producing hydrogen via water electrolysis and its sensitivity to the electricity costs of hydrogen production and carbon prices in various provinces of China. With the continuing increase in the penetration of novel energy in China’s power system and the gradual decline in electricity prices, the price of producing hydrogen via electrolytic water is expected to be close to or even lower than that of producing hydrogen via coal in the future. Geographical differences also have a significant impact on the price of producing hydrogen, which is typically higher in the southeastern coastal region than in the western region, because of the local price of electricity and the composition of the energy sources. Provinces that have been effective in developing novel energy sources, such as Qinghai, Sichuan, and others, have been effective in the hydrogen energy industry. Sichuan and other provinces with significant new energy development have a clear advantage in the hydrogen industry. Because provinces with low hydrogen production costs can transport hydrogen to provinces with high hydrogen production costs through pipelines, hydrogen pipelines are planned from Shaanxi to Henan and from Xinjiang to Nei Mongol. These study results reveal the relative economic advantages of producing hydrogen via water electrolysis under various energy and electricity price policies and provide new perspectives on China’s energy strategy and the growth of the hydrogen energy sector.

Pioneering Sustainability: The Development and Policy Framework of Ammonia Fuel Technology in China

This article investigates the complex dynamics of ammonia as an alternative fuel within the ambit of China's strategic initiatives aimed at attaining carbon neutrality. Given ammonia's distinctive characteristics as a fuel, this analysis delves into the nascent development status and the multifaceted challenges confronting this sector within China. Through a comprehensive examination of the plethora of new energy policies promulgated by the Chinese government, this article underscores the initial phase of accelerated growth in the ammonia fuel domain. The imposition of carbon emission restrictions, coupled with the momentum generated by technological innovations, positions green ammonia as an efficacious solution for hydrogen storage and utilization, thereby fostering a symbiotic relationship with the hydrogen energy industry chain. The proactive policy framework adopted by China significantly enhances the pivotal role of ammonia fuel technology, making it one of the principal technological pathways for China to realize its carbon neutrality ambitions in the future.

A study on the macro-micro two-stage site selection of electric-hydrogen hybrid refueling stations based on GIS and Fuzzy-TODIM

With the increasing global demand for clean energy and sustainable development, hydrogen energy has gained significant attention as an environmentally friendly energy carrier. Hydrogen refueling stations, serving as crucial intermediaries in hydrogen production, storage, transport, and refueling, play a pivotal role in the hydrogen energy industry's layout. A novel model for hydrogen refueling stations based on DC microgrids utilizing renewable energy sources for hydrogen production and refueling has become a focal point of interest. However, there is currently limited research on the site selection of electric-hydrogen hybrid refueling stations. Addressing current needs and research gaps, this study proposes a macro-micro two-stage site selection model based on DC microgrids. In the macro-level site selection stage, factors such as regional photovoltaic and wind resources, hydrogen energy policies, and the layout of the hydrogen energy industry are comprehensively considered, with Guangdong Province, China selected as the study area. ArcGIS is utilized to create thematic layers and establish constraints. The DEMATEL method is employed to determine the weights of macro-level site selection criteria. The results indicate that the most suitable areas are located in coastal regions. This study's site selection model offers a scientific and systematic approach to evaluating electric-hydrogen hybrid refueling stations in DC microgrids, providing a scientific basis for decision-making for governments and investors.

Research on the state monitoring system and low-temperature performance degradation of PEMFC

Abstract This paper presents the design and implementation of a Proton Exchange Membrane Fuel Cell (PEMFC) condition monitoring system. The system is capable of real-time monitoring of key parameters of the fuel cell, including voltage, current, temperature, and humidity, and transmits data to the upper computer through a microcontroller. The upper computer software utilizes the LabView platform, which not only parses and processes the data but also visually displays parameter changes through graphical interfaces such as waveform diagrams and circular instruments. The experiment verified that the system can accurately evaluate the output performance and life attenuation of fuel cells. A fuel cell status monitoring system for low temperatures can provide important data for the application and performance optimization of fuel cells in extreme environments. This research is of great significance in promoting the application of hydrogen energy technology and the development of the hydrogen energy industry.

Exploration of the Diversified Path of Energy Economic Transformation Based on the Perspective of Hydrogen Energy Industry Innovation

Exploration of the Diversified Path of Energy Economic Transformation Based on the Perspective of Hydrogen Energy Industry Innovation

The analysis of the future development prospects of hydrogen energy from the perspective of the hydrogen energy industry chain

Hydrogen, with its characteristics of easy access, green, and safety has gradually become a new focus of global energy research. It is noteworthy that the current technology has also achieved the integration of traditional fuels such as hydrogen and natural gas, significantly improving energy utilization efficiency. This article will delve into the development prospects and directions of the hydrogen energy industry from multiple dimensions, including the preparation, storage, and transportation of natural gas. With the continuous progress of technology, the hydrogen energy industry will inevitably usher in a broader world, injecting new vitality into the sustainable development of human society

Research on coupling coordination and spatial-temporal evolution of hydrogen energy industry in hebei province based on R-P-D chain

In order to promote the sustainable development of the hydrogen energy industry in Hebei Province, this paper investigates the coordinated industrial coupling and spatio-temporal evolution of the "resource conditions-project layout-user demand (R-P-D)" chain within the hydrogen energy industry in Hebei Province. First, a fitness model for the hydrogen energy industry is formulated based on the "(R-P-D)" chain perspective, and a comprehensive evaluation is performed using the AHP entropy weighting method.Subsequently, coupling coordination model of resource condition-project layout (R–P), resource condition-user demand (R-D), project layout-user demand (P-D), and R-P-D chain are constructed. The coupling coordination degree data of the system are then linked with the spatial unit for spatiotemporal evolution and analysis using ArcGIS software. The findings indicate that cities with high levels of economic development, advanced industrialization, abundant renewable energy resources, and well-developed clean energy industries tend to exhibit more harmonious development in the hydrogen energy industry.

Research and Analysis on the Development of Hydrogen Industry Conference

In recent years, with the rapid development of the hydrogen energy industry, major enterprises and institutions have rapidly seized the hydrogen energy market. Various types of hydrogen energy conferences emerge one after another, but the quality of attendance is uneven. In order to further improve the quality of hydrogen energy conferences, this article analyzes the existing problems of hydrogen energy conferences and proposes solutions based on the problem ideas, effectively solving the problems of hydrogen energy industry conferences.

A risk decision support model for hydrogen refueling stations based on cloud-analytic hierarchy process

With the rapid development of the hydrogen energy industry and the vigorous promotion of the application of hydrogen fuel cell vehicles, hydrogen refueling station (HRS) has gradually penetrated into cities, mostly built in densely populated areas. Once leakage, fire, and/or explosion accident occurs, it is highly likely to cause casualties, property damage, and environmental pollution. In order to avoid HRS risks, this paper establishes a risk decision support model based on Cloud-Analytic Hierarchy Process for HRS. Firstly, the static and dynamic features of HRS emergency plan selection are analyzed, and the weight coefficient of each feature is determined by using the cloud analysis hierarchy process. Then, the case-based reasoning theory and the weighted Euclidean distance based on the cloud model are used to establish a decision support model based on emergency plan optimization. Finally, taking the HRS hydrogen storage tank fire as an example, the risk decision support model based on the cloud analysis hierarchical process is applied to form the optimal scheme of the HRS hydrogen storage tank fire emergency plan. The results show that the weighted Euclidean distance scheme selection method based on cloud model can be effectively combined with the weight acquisition method based on cloud analysis hierarchy process to provide decision support for HRS emergency risk management and control.

Experimental study on the inhibition of hydrogen deflagration by flame-retardant compounded ultrafine dry powder fire extinguishing media containing zinc hydroxystannate

With the rapid development of global hydrogen energy industry, the issue of hydrogen energy safety has emerged, it is prone to cause a serious explosion accident once hydrogen leaks. Therefore, it is urgent to develop efficient suppression media to reduce the severity of hydrogen explosion accidents. In this paper, a new compounded powder composed of ordinary ultra-fine dry powder extinguishing agent (ODPEA) and zinc hydroxystannate (ZHS) is prepared. On the basis of material preparation, an experimental system of hydrogen explosive suppression is established to explore the inhibitory effect of ODPEA-ZHS. In terms of explosion overpressure, the results show that the peak overpressure suppression rates of ODPEA-ZHS are 90.12 %, 92.31 %, and 93.04 % for hydrogen release pressures of 2.0, 4.0, and 6.0 MPa, respectively. Besides, the flame front propagation velocity under the action of ODPEA-ZHS reaches a suppression rate of 40.55 %. Furthermore, the overpressure suppression efficiency of ODPEA-ZHS exceeds 90 % when ignites 1.0 m axially from leak port. Ultimately, the physicochemical synergistic inhibition mechanism of ODPEA-ZHS is revealed by combining material characterization and pyrolysis results. This study can provide effective countermeasures for accident prevention in hydrogen energy industry, and also contribute to the establishment of hydrogen energy safety standards and norms.

Current Research Status on The Production, Storage, And Application of Hydrogen Energy

With the development of society, the demand for energy has significantly increased, and the hydrogen energy industry is an important engine for optimizing energy structure and promoting the transformation of traditional energy. Hydrogen energy is a clean and renewable energy source with abundant sources. The unit mass of hydrogen contains a large amount of energy and can be applied in a wide range of fields. Therefore, analyzing and comparing the hydrogen energy industry chain will contribute to the healthy development of the hydrogen energy industry. This article first investigates the initial stage of development, current situation, and policies of hydrogen energy in China, Japan, and the United States, in order to gain a deeper understanding of the research status and planning of hydrogen energy in different countries. Secondly, the current mature hydrogen production methods (reforming hydrogen, electrolysis hydrogen) and hydrogen storage methods (high-pressure hydrogen storage, solid-state material hydrogen storage, organic liquid hydrogen storage materials) Hydrogen application are analyzed, and their advantages are proposed. Finally, based on research analysis, the future hydrogen energy market is introduced. This research result also provides certain reference value for enterprises that need to transform and enter the hydrogen energy field.

Technology And Prospect of Hydrogen Energy

This article summarizes the development trend of the hydrogen energy industry, the technical difficulties faced by the production of hydrogen, the problems encountered in the storage and transportation of hydrogen energy, and the potential and development trend of hydrogen energy in the future application. The paper emphasizes that the hydrogen production through hydroelectrolysis and biomass resources can effectively utilize renewable resources and may solve the environmental problem of producing "gray hydrogen" in the conversion process of fossil fuels and methanol, which is in line with the concept of clean energy development. Therefore, improving the efficiency of hydrogen production and realizing its large-scale commercial production has become the focus of the current scientific research work. The core challenge of storing high-pressure gaseous hydrogen and low-temperature liquid hydrogen is to optimize container materials, develop new substances that can adsorb hydrogen, and reduce energy consumption and spending. Whether hydrogen is transmitted by compression, liquefaction, or pipeline means, the cost-effectiveness and safety issues need to be addressed urgently. In general, the large-scale use of hydrogen as an energy source still needs to overcome many difficulties.

Analysis of the Problems and Reasons for the Development of Suzhou Hydrogen Energy Industry and Industrial Policies

In recent years, although there have been some policy plans related to hydrogen energy development in China, a complete fiscal policy system has not yet been established. In policies related to hydrogen energy, we cannot keep up with the times. Only some policies are specifically targeted at solar photovoltaic and wind power generation, and some policies are even temporary. These fiscal policies are severely lagging and lack uniformity, which not only weakens the overall effect of the money supply, but also to some extent hinders the healthy and rapid development of the hydrogen energy industry. In addition, the national development plan, including national and local plans, cannot be well connected, resulting in some policies not forming strong support for hydrogen energy. In these industrial plans, production capacity targets account for the majority, but there is a lack of refinement of utilization targets and little mention of the development balance of the industrial chain.

A Study on the Experience of Hydrogen Energy Research and Development in Suzhou City

Through the exploration of advanced models of the hydrogen energy industry both domestically and internationally, it has been found that many developed countries abroad attach great importance to the hydrogen energy industry and provide policies that greatly help the development of the hydrogen energy industry. Whether it is funding, talent, or related supporting laws, they are relatively complete to help enterprises develop hydrogen energy. Beijing, Zhangjiakou, Foshan, and Yunfu cities in China have advanced experience in the construction of hydrogen energy industrial parks. Their park construction not only conforms to local characteristics, but also brings different changes to their surrounding areas, providing favorable assistance for the development and expansion of hydrogen energy.

Analysis of the Development Status and Industrial Policies of the Hydrogen Energy Industry in Zhangjiagang City

China is currently building hydrogen refueling stations in Beijing, Shanghai, and Zhengzhou. Moreover, there are currently numerous medium-sized hydrogen refueling stations under construction with a capacity of over 400KG/D. From planning, design, construction to operation, hydrogen stations with long-term operational capabilities are required to analyze and develop the system, ensuring the scientific nature of technology and the economic efficiency of operation. The core facilities of the hydrogen refueling station are mainly gas storage tanks. Air compressors and various control systems. At present, the existing hydrogen production stations and core facilities under construction mainly adopt the form of "import+domestic products", basically establishing the conditions for national production. But it is necessary to strengthen the implementation of current standards, the establishment of inspection instruments, and supervision and management.

Impact of Catalysis-Relevant Oxidation and Annealing Treatments on Nanostructured GaRh Alloys.

In this study, we examine the surface-derived electronic and chemical structures of nanostructured GaRh alloys as a model system for supported catalytically active liquid metal solutions (SCALMS), a novel catalyst candidate for dehydrogenation reactions that are important for the petrochemical and hydrogen energy industry. It is reported that under ambient conditions, SCALMS tends to form a gallium oxide shell, which can be removed by an activation treatment at elevated temperatures and hydrogen flow to enhance the catalytic reactivity. We prepared a 7 at. % Rh containing the GaRh sample and interrogated the evolution of the surface chemical and electronic structure by photoelectron spectroscopy (complemented by scanning electron microscopy) upon performing surface oxidation and (activation treatment mimicking) annealing treatments in ultrahigh vacuum conditions. The initially pronounced Rh 4d and Fermi level-derived states in the valence band spectra disappear upon oxidation (due to formation of a GaOx shell) but reemerge upon annealing, especially for temperatures of 600 °C and above, i.e., when the GaOx shell is efficiently being removed and the Ga matrix is expected to be liquid. At the same temperature, new spectroscopic features at both the high and low binding energy sides of the Rh 3d5/2 spectra are observed, which we attribute to new GaRh species with depleted and enriched Rh contents, respectively. A liquefied and GaOx-free surface is also expected for GaRh SCALMS at reaction conditions, and thus the revealed high-temperature properties of the GaRh alloy provide insights about respective catalysts at work.

Assessment of Hydrogen Energy Industry Chain Based on Hydrogen Production Methods, Storage, and Utilization

To reach climate neutrality by 2050, a goal that the European Union set itself, it is necessary to change and modify the whole EU’s energy system through deep decarbonization and reduction of greenhouse-gas emissions. The study presents a current insight into the global energy-transition pathway based on the hydrogen energy industry chain. The paper provides a critical analysis of the role of clean hydrogen based on renewable energy sources (green hydrogen) and fossil-fuels-based hydrogen (blue hydrogen) in the development of a new hydrogen-based economy and the reduction of greenhouse-gas emissions. The actual status, costs, future directions, and recommendations for low-carbon hydrogen development and commercial deployment are addressed. Additionally, the integration of hydrogen production with CCUS technologies is presented.

Working principle and application of hydrogen fuel cells

With the increasing number of people on the earth, technology continues to improve. People enjoy a convenient life at the same time, the ecological pollution and energy consumption problems are constantly aggravating, in the environment is caused by irreversible damage to the fact in front of before waking up, and then began to develop and research a not only meet the energy needs but also minimize the damage to the environment of a new type of clean energy-fuel cells. Fuel cell is one of the most promising energy sources. At present, hydrogen-fueled automobile is one of the most widely used tools of fuel cell in transportation law, and the production of automobiles is increasing year by year, and the production technology is also improving. National governments have issued relevant policies to support the development and research of fuel cells. However, fuel cells still have problems such as high production cost, high energy consumption, and imperfect hydrogen energy industry chain. This article uses the literature to analyze the working principle, development status and future prospects of hydrogen fuel cells. In addition, it also includes the problems of the current use and puts forward some suggestions to solve the problems, such as improving the hydrogen industry chain and reducing the energy consumption of the battery. It helps people to recognize and understand the fuel cell, and also provides some suggestions for the future direction of fuel cell research.

Experimental investigation of rectangular nozzle aspect ratio effects on high-pressure helium leakage characteristics

High-pressure hydrogen leakage is one of the bottlenecks restricting the development of the hydrogen energy industry. In this study, a high-pressure helium leakage experimental system with stable pressure was built to research the influence of aspect ratio on concentration decay rate and mass flow rate. Similar to the circular nozzle, the centerline helium concentration of the rectangular jet is also inversely proportional to the distance from the nozzle. For the rectangular nozzles with aspect ratio of 1–4, the helium concentration decay rate is consistent with the circular nozzle when the leakage pressure is lower than 6.5 MPa. However, the decay rate is obviously larger for rectangular nozzles with aspect ratio of 10 when the leakage pressure is greater than 5.0 MPa. The aspect ratio has a greater influence on the flow coefficient, which increases with the aspect ratio under the same leakage pressure. To comprehensively consider the effects of nozzle size and shape, a weighted characteristic diameter of equivalent diameter and rectangular width, dc=αde+1−αdw, was proposed in this study. The results indicate that the equivalent diameter has greater impact on the centerline concentration decay rate, while the width of nozzles has substantial influence on the flow coefficient.