Towards a resilient and cost-competitive clean hydrogen economy: the future is green

Shirizadeh, Behrang; Ailleret, Aurelien; Guillon, Augustin; Bovari, Emmanuel; El Khatib, Nazem; Douguet, Sebastien; Issa, Charbel Bou; Brauer, Johannes; Trüby, Johannes

doi:10.1039/d3ee02283h

Cited by 16 publications

(3 citation statements)

References 58 publications

(90 reference statements)

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“…Hydrogen, as a green and renewable energy fuel, has attracted extensive attention since it serves as one of the most appealing candidates to tackle traditional energy problems and environmental issues. 1,2 From eco-friendly viewpoints, solar-driven water splitting induced by photocatalysts has been considered as an ideal approach to produce hydrogen fuel. 3,4 To actualize this goal, the development of semiconductor-based photocatalysts with high hydrogen evolution activity is highly desired for practical implementation.…”

Section: Introductionmentioning

confidence: 99%

In situ construction of Ohmic/Schottky-type MoS₂/S_v-ZnIn₂S₄/Cu(OH)₂ dual-junction photocatalysts with enhanced water splitting into hydrogen generation activity

Yan,

Zhang,

Huang

et al. 2024

J. Mater. Chem. A

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Section: Introductionmentioning

confidence: 99%

In situ construction of Ohmic/Schottky-type MoS₂/S_v-ZnIn₂S₄/Cu(OH)₂ dual-junction photocatalysts with enhanced water splitting into hydrogen generation activity

Yan,

Zhang,

Huang

et al. 2024

J. Mater. Chem. A

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“…Exploring alternative energy sources to fossil fuels has been a basic consensus of all the countries. Consequently, it is undoubted that developing alternative environmentally cleaner fuels are crucial for a sustainable future [3]. Hydrogen, as a clean energy carrier, has drawn sustained attention as an alternative to fossil fuels owing to its pollution-free and high calorific value of combustion.…”

Section: Introductionmentioning

confidence: 99%

Enhanced Hydrogen-Storage Properties of MgH2 Catalyzed via a Cerium Doped TiCrV BCC Alloy

Xiao,

Zhang,

et al. 2024

Metals

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In this work, Ce-doped Ti6Cr14V80 BCC hydrogen-storage alloys have been synthesized as catalysts to enhance the hydrogen-storage performance of MgH2 based on its room-temperature activation features and excellent durability. The Ti6Cr14V80Ce1 alloy was pre-ball milled under a hydrogen atmosphere into a Ti6Cr14V80Ce1Hx hydride. Different amounts of the Ti6Cr14V80Ce1Hx hydride were incorporated into MgH2 by ball milling to obtain the MgH2 + y wt%Ti6Cr14V80Ce1Hx (y = 0, 3, 5, 10, 15) nano-composites. With an optimization doping of 10 wt%Ti6Cr14V80Ce1Hx, the initial dehydrogenated temperature was decreased to 160 °C. Moreover, the composite can rapidly release 6.73 wt% H2 within 8 min at 230 °C. Also, it can absorb 2.0 wt% H2 within 1 h even at room temperature and uptake 4.86 wt% H2 within 10 s at 125 °C. In addition, the apparent dehydrogenated activation energy of the MgH2 + 10 wt%Ti6Cr14V80Ce1Hx composite was calculated to be 62.62 kJ mol−1 fitted by the JMAK model. The capacity retention was kept as 84% after 100 cycles at 300 °C. The ball milled Ti6Cr14V80Ce1Hx transformed from the initial FCC phase structure into a BCC phase after complete dehydrogenation and back into an FCC phase when fullly hydrogenated. A catalyst mechanism analysis revealed that the ‘autocatalytic effect’ originating in Ti6Cr14V80Ce1Hx plays a crucial role in boosting the de-/hydrogenation properties of MgH2. This work provides meaningful insights into rational designs of nano-compositing with different hydrogen-storage alloy catalyzed MgH2.

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“…Currently, green hydrogen costs around $4-6/kg, which is two to three times more than the cost of grey hydrogen [11]. With the accumulation of global efforts towards net-zero emissions by mid-century, the cost of green hydrogen can drop below $1.5-2/kg, making it an economically viable alternative to replace grey hydrogen [12]. In contrast, the integration of green hydrogen and PtX technologies in the transport and electricity sectors is not only linked to the cost of green hydrogen but is also contingent on the development of fuel cell technologies, making the decarbonization of these two sectors more challenging and subjected to higher uncertainty levels [13].…”

Section: Introductionmentioning

confidence: 99%

The Potential of Green Hydrogen and Power-to-X Utilization in Jordanian Industries: Opportunities and Future Prospects

Muhsen,

Al-Mahmodi,

Tarawneh

et al. 2023

Energies

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Green hydrogen and power-to-X technologies hold significant potential in the global energy transition towards net-zero emissions. This is attributed to the premise that these technologies can decarbonize numerous sectors worldwide by providing versatile and sustainable energy carriers and industrial feedstocks to replace fossil-based fuels and chemicals. To this end, the qualitative benefits of green hydrogen and power-to-X technologies have been thoroughly examined for various applications in past years. In contrast, quantifying the potential penetration of such technologies on national and global levels still requires extensive research. Therefore, this paper investigates the prospective integration of green hydrogen and power-to-X technologies within Jordanian industries, considering their quantitative utilization potential for current and future capacities. The findings showed that the Jordanian food processing and heavy industries emerged as major sectors with substantial potential for incorporating green hydrogen and power-to-X products as alternative fuels or chemical feedstocks. In detail, the total potential utilization capacity for these sectors stood at around 57 thousand tons per year. Specifically, fertilizers production, cement industry, steel reforming, and oil refinery possess an annual potential capacity of around 6.8, 11.8, 12.7, and 25.8 thousand tons, respectively. It is also worth mentioning that the current utilization capacity of hydrogen in Jordanian industries was found to be around 8.9 thousand tons per annum, which is completely covered by fossil-based hydrogen to date. These results imply that there will be a promising market for green hydrogen and power-to-X utilization in Jordanian industries, which will play a significant role in integrated energy transition efforts in the future.

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Towards a resilient and cost-competitive clean hydrogen economy: the future is green

Abstract: Renewable hydrogen is set to dominate future clean hydrogen market.

Cited by 16 publications

References 58 publications

In situ construction of Ohmic/Schottky-type MoS₂/S_v-ZnIn₂S₄/Cu(OH)₂ dual-junction photocatalysts with enhanced water splitting into hydrogen generation activity

In situ construction of Ohmic/Schottky-type MoS₂/S_v-ZnIn₂S₄/Cu(OH)₂ dual-junction photocatalysts with enhanced water splitting into hydrogen generation activity

Enhanced Hydrogen-Storage Properties of MgH2 Catalyzed via a Cerium Doped TiCrV BCC Alloy

The Potential of Green Hydrogen and Power-to-X Utilization in Jordanian Industries: Opportunities and Future Prospects

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Towards a resilient and cost-competitive clean hydrogen economy: the future is green

Abstract: Renewable hydrogen is set to dominate future clean hydrogen market.

Cited by 16 publications

References 58 publications

In situ construction of Ohmic/Schottky-type MoS2/Sv-ZnIn2S4/Cu(OH)2 dual-junction photocatalysts with enhanced water splitting into hydrogen generation activity

In situ construction of Ohmic/Schottky-type MoS2/Sv-ZnIn2S4/Cu(OH)2 dual-junction photocatalysts with enhanced water splitting into hydrogen generation activity

Enhanced Hydrogen-Storage Properties of MgH2 Catalyzed via a Cerium Doped TiCrV BCC Alloy

The Potential of Green Hydrogen and Power-to-X Utilization in Jordanian Industries: Opportunities and Future Prospects

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In situ construction of Ohmic/Schottky-type MoS₂/S_v-ZnIn₂S₄/Cu(OH)₂ dual-junction photocatalysts with enhanced water splitting into hydrogen generation activity

In situ construction of Ohmic/Schottky-type MoS₂/S_v-ZnIn₂S₄/Cu(OH)₂ dual-junction photocatalysts with enhanced water splitting into hydrogen generation activity