From Fuel Cells to Feedstocks: A Guide to Hydrogen Applications, Reports IDTechEx

BOSTON, Oct. 4, 2023 /PRNewswire/ -- As the energy and industrial landscapes experience transformative shifts, the hydrogen economy stands at the threshold of sustainable growth. The envisioned hydrogen value chain will integrate production, storage, and distribution systems, supporting a wide array of applications that span industrial processes to various transportation sectors. While electrification remains the predominant means of decarbonization for many sectors, hydrogen emerges as a critical solution for these hard-to-abate industries.

Therefore, it is essential to concurrently develop both the hydrogen value chain and its diverse applications. Each sector presents unique challenges and growth drivers, yet they all highlight the pressing need for decarbonization. Hydrogen, although not a silver bullet, offers a versatile and viable approach to achieving a more sustainable industrial ecosystem. This article presents the multifaceted roles of hydrogen, ranging from its uses in industrial feedstocks to powering fuel cells in mobility sectors. For a more in-depth exploration of each sector, as well as associated technologies and commercial activities, please refer to IDTechEx's market report, "Hydrogen Economy 2023-2033: Production, Storage, Distribution & Applications".

Overview of hydrogen application sectors & fuel cell technologies. Source: IDTechEx

Traditional Industrial Applications: Refining, Ammonia, & Methanol

Traditional industrial sectors such as refining, ammonia, and methanol production continue to play a crucial role in the evolving landscape of hydrogen technologies. IDTechEx projects that petrochemical refining will remain as one of the largest consumers of low-carbon hydrogen for the foreseeable future. Hydrocracking and hydrotreating are key processes that use large amounts of hydrogen, with the latter being the primary hydrogen-consuming operation in a refinery. Factors like increased global oil consumption and the need to process heavier crude oils are driving the growing demand for hydrogen in this sector.

Petrochemical companies are making efforts to reduce their carbon footprint. Many refineries are located in industrial zones or chemical parks, which are becoming focal points for new carbon capture and hydrogen infrastructure projects, such as the Stanlow Refinery within the HyNet North West initiative. Additionally, hydrogen holds the potential for further emission reductions in refineries through its use in energy and heat generation systems, which currently rely on combustion technologies. However, it is worth noting that such advancements are expected to gain momentum in the refining market over the long term.

Ammonia production serves as another vital application for low-carbon hydrogen, significantly contributing to decarbonization initiatives in the fertilizer and chemical industries. Adapting the Haber-Bosch process to accommodate green or blue hydrogen offers a promising avenue for reducing CO₂ emissions. In addition to its traditional uses, ammonia is gaining traction as an effective hydrogen carrier for international transport, indicating prospects for sustained growth in this domain.

Companies such as Yara, Nutrien, OCI Nitrogen, and SAFCO are at the forefront of these efforts, having already implemented carbon capture, utilization, and storage (CCUS) technologies in their plants. Despite limitations, such as carbon capture rates capped at around 70%, new projects spearheaded by Horisont Energi, ADNOC, and CF Industries aim for capture rates above 90%.

On the green ammonia front, multiple companies, including Fertiberia, Yara International, and CF Industries, are planning plant start-ups after 2025 with varying capacities. Projects like the NEOM green ammonia initiative are particularly impressive, setting to install over 2GW of thyssenkrupp nucera's alkaline water electrolyzers, targeting daily NH₃ production of 600 tonnes. Similarly, methane pyrolysis companies like Monolith and Hazer Group are also entering the ammonia sector. These developments, both in blue and green ammonia, signify a combined effort across the industry to push toward more sustainable and efficient ammonia production.

IDTechEx also identifies low-carbon methanol production as a crucial, albeit less prominent, avenue for hydrogen application. Companies like Carbon Recycling International (CRI) are making significant progress in this area, developing projects like the Finnjord E-methanol plant. Methanol serves as a vital component in various chemicals and is increasingly being used in energy storage and as an automotive fuel. The utilization of green or blue hydrogen can substantially reduce emissions in chemical production. However, like green ammonia, green methanol production remains cost-prohibitive and is largely dependent on the CO₂ source. Moreover, the CO₂ needs to be sourced from direct air capture or waste/biomass for the methanol to be classified as truly carbon neutral.

Emerging Industrial Applications: Steelmaking, Power Generation & Synthetic Fuel Production

IDTechEx anticipates a significant role for hydrogen in steelmaking in the medium to long term. Conventional steel production contributes to 7-9% of global CO₂ emissions. Leading companies such as ArcelorMittal, SSAB, and Tata Steel are actively researching hydrogen-powered direct reduced iron-electric arc furnace (H2-DRI-EAF) technologies to produce more sustainable steel. This is exemplified by the HYBRIT Demonstration project – a Swedish collaborative project between SSAB, LKAB, and Vattenfall. The companies are working on demonstrating a fossil-free steel value chain using renewable energy and hydrogen in Sweden, which involves decarbonizing all elements of the steelmaking supply chain. Although technological challenges persist, hydrogen stands as a pillar in this transition.

The application of hydrogen in power and heat generation is still in the early stages but holds critical promise for broader decarbonization efforts. Hydrogen has potential applications in renewable energy storage, off-grid storage, and combined heat and power (CHP) plants. Despite efficiency losses in power-to-gas-to-power conversions, hydrogen presents an attractive alternative for off-grid applications with limited options. However, the use of hydrogen in power and heat applications, particularly renewable energy storage, still requires refined business models to make it more commercially viable.

Hydrogen also plays an essential role in biofuel and synthetic fuel production. First and advanced-generation biofuels can become increasingly carbon-neutral through the application of green hydrogen. Major refiners like Neste and TotalEnergies are focusing on these fuels, propelled by consumer demand and regulatory policies. However, IDTechEx expects hydrogen's role in this sector to be comparatively limited, at least in the medium term.

Mobility Applications: Fuel Cell Electric Vehicles (FCEVs), Maritime, Rail, & Aviation

Fuel cells are a key technology that would be used to power these transportation sectors. These transportation sectors will require the efficient integration of fuel cell stacks with suitable hydrogen storage methods, heat exchanger, and other balance of plant (BOP) components. Most attention is currently focused on the proton exchange membrane fuel cell (PEMFC), as they will power the FCEV segment.

FCEVs have gained momentum, particularly in key regions like Korea, Japan, Germany, and China, with the increasing development of refueling infrastructure and new vehicle concepts for light-, medium- and heavy-duty vehicles. However, rapid advancements in battery electric vehicle (BEV) technology are likely to sustain its market dominance, rendering FCEV adoption more modest. FCEVs present a compelling value proposition in heavy-duty trucks and buses, potentially catalyzing broader hydrogen refueling infrastructure development.

Hydrogen is emerging as a viable alternative in maritime applications, facilitated by advancements from companies like Ballard and PowerCell. Hydrogen fuel cells, particularly solid oxide fuel cells (SOFCs) and PEMFCs, show promise. The advantage of using SOFCs in maritime is their fuel versatility, as they can use LNG and ammonia. The rising production of green hydrogen is paving the way for the supply of green ammonia. As this becomes more readily available and SOFCs become commercially viable, ammonia use in marine vessels will increase and may limit hydrogen's adoption.

Hydrogen is also making strides in rail transport, led by manufacturers like Alstom and Accelera (Cummins). These trains offer advantages in range and refueling compared to their BEV counterparts. However, the higher costs of green hydrogen necessitate government support for mass adoption. Germany is leading the way in fuel cell multiple unit testing and deployment. However, other countries like the US, France, and Italy have also placed orders for hydrogen-powered trains. They are expected to put the technology into passenger service within the next few years.

Aviation is likely to see hydrogen-based solutions in the longer term, post-2035. While sustainable aviation fuel (SAF) will dominate the medium term, hydrogen remains essential for complete decarbonization. However, various hurdles, ranging from technical integration to the absence of regulatory frameworks, impede rapid commercialization. Nonetheless, companies like ZeroAvia, Universal Hydrogen, and H2Fly are making significant progress through flight demonstrations as well as developments of liquid hydrogen and high-temperature PEMFC technologies.

Future Directions & Further Insights

Hydrogen is expected to initially penetrate markets where fossil-fuel-based hydrogen is prevalent – refining, ammonia, and methanol. Among emerging sectors, steelmaking appears most promising for hydrogen adoption. However, applications in power and heat, as well as sustainable fuel production, remain long-term objectives. While the FCEV sector will dominate hydrogen applications in mobility, it will continue to be overshadowed by the rapidly growing BEV sector. Other mobility applications are still in their nascent stages and will remain long-term industry focuses. In summary, hydrogen will maintain its vital role in decarbonization strategies but will likely see an immediate impact in industrial niches rather than widespread adoption.

The IDTechEx report, "Hydrogen Economy 2023-2033: Production, Storage, Distribution & Applications", offers an exhaustive overview of the value chain, including technological analyses, comparisons, commercial activities, innovations, and market trends.

To find out more, including downloadable sample pages, please visit www.IDTechEx.com/hydrogeneconomy.

About IDTechEx

IDTechEx guides your strategic business decisions through its Research, Subscription and Consultancy products, helping you profit from emerging technologies. For more information, contact [email protected] or visit www.IDTechEx.com.

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