Introduction to the current and future use of H2 and H2-based e-fuels in combustion engines and fuel cells Special Issue

Ghandhi, J. B.; Guenthner, Michael; Novella, Ricardo

doi:10.1177/14680874221093003

Cited by 4 publications

(3 citation statements)

References 18 publications

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“…21 In order to provide full insight to the different applications of hydrogen in the mechanical and electrical power, a special issue focusing on the hydrogen utilization in engines has also been published recently. 22 This study reviews and presents the material considerations and compatibility of metals and their alloys in H 2 -ICEs, following the one from the same Authors on Rubbers and Elastomers. 23 The effects of direct or indirect exposure of high pressure and temperature hydrogen on the properties including mechanical properties of metals and their alloys are discussed in this paper that can serve as a design guide and a resource for future work.…”

Section: Introductionmentioning

confidence: 99%

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Review and evaluation of metals and alloy’s compatibility with hydrogen-fueled internal combustion engines

Azeem

Beatrice

Vassallo³

et al. 2023

International Journal of Engine Research

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Hydrogen internal combustion engines (H2-ICEs) are being examined primarily owing to their low criteria pollutants and zero carbon dioxide emissions. However, there are many components and systems of a H2-ICE (including, i.e., gaskets, fuel injection system, piston, cylinder head, exhaust manifolds,…) that are exposed to direct or indirect high-pressure and temperature hydrogen that can lead to deterioration and degradation of the materials, in particular rubbers, metals and their alloys. In the present article, the implications on the characteristics of metals and their alloys exposed to a hydrogen atmosphere are examined with reference to the typical materials and respective operating conditions found in H2-ICEs. The effects of direct or indirect exposure of high pressure and low/high-temperature hydrogen on the properties including mechanical properties of metals and their alloys have been explored. Finally, based on the previous review, a critical assessment of their suitability for a safe and reliable operation on H2-ICEs is provided.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Review and evaluation of metals and alloy’s compatibility with hydrogen-fueled internal combustion engines

Azeem

Beatrice

Vassallo³

et al. 2023

International Journal of Engine Research

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“…To decarbonise the road transport sector, an estimated 3-4% reduction in CO 2 emissions is needed every year between now and 2030 [2], thus necessitating transformative technological innovations. Some potential transportation decarbonisation pathways include powertrain electrification [3], fuel cell-powered vehicles [4], and internal combustion engines operating on net-carbon neutral fuels, such as renewable hydrogen [5], e-fuels [6] or biofuels [7].…”

Section: Introductionmentioning

confidence: 99%

Prospects of Controlled Auto-Ignition Based Thermal Propulsion Units for Modern Gasoline Vehicles

2023

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Gasoline engines employing the spatially distributed auto-ignition combustion mode, known as controlled auto-ignition (CAI), are a prospective technology for significantly improving engine efficiency and reducing emissions. This review paper provides an overview of developments in various gasoline CAI technologies and discusses their attendant strengths and weaknesses. Hybrid propulsion systems powered by high-efficiency gasoline CAI engines can provide a low-carbon pathway for mobility sector decarbonisation. Therefore, this paper focuses on the challenges and opportunities of CAI implementation, especially for electrified powertrains. Different control actuators that can extend the CAI operating range are discussed, and opportunities for synergistic operation between thermal and electric components of hybridised powertrains are identified. Such synergies can remove impediments in the way of CAI system adoption and can, thus, support CAI adoption and maximise efficiency gains from its implementation. The prospects of supporting CAI combustion for different powertrain electrification levels, hybrid architectures, engine size, and energy management systems are discussed. Load levelling offered by electrified powertrains through CAI-favouring energy management strategies has the potential to substantially relax the operating point requirements for CAI-based thermal propulsion units and to remove the need for expensive actuators. The highly flexible spark-assisted partially premixed compression ignition hybrid mode (SACI-PPCI) emerges as a promising CAI strategy for conventional powertrains, and the moderately flexible spark-assisted compression ignition (SACI) configuration can be a cost-effective thermal propulsion mode for electrified powertrains.

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Analysis and optimization of energy conversion for an on-board methanol reforming engine with thermochemical recuperation

Zhu,

He,

Xuan

et al. 2024

Fuel

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Introduction to the current and future use of H2 and H2-based e-fuels in combustion engines and fuel cells Special Issue

Cited by 4 publications

References 18 publications

Review and evaluation of metals and alloy’s compatibility with hydrogen-fueled internal combustion engines

Review and evaluation of metals and alloy’s compatibility with hydrogen-fueled internal combustion engines

Prospects of Controlled Auto-Ignition Based Thermal Propulsion Units for Modern Gasoline Vehicles

Analysis and optimization of energy conversion for an on-board methanol reforming engine with thermochemical recuperation

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