Membranes for hydrogen rainbow toward industrial decarbonization: Status, challenges and perspectives from materials to processes

Zhang, Yuan; Tang, Jiali; Chen, Danlin; Yang, Li; Hong, Ze-Wen; He, Xuezhong

doi:10.1016/j.cej.2023.144328

Cited by 5 publications

(2 citation statements)

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“…The drive toward environmentally sustainable and energy-efficient hydrogen production gains momentum, spotlighting green hydrogen and blue hydrogen from water electrolysis and steam methane reforming (SMR), respectively. Blue hydrogen, integrating CO 2 capture with reforming, serves as a transitional solution in the shift from fossil fuels to a hydrogen economy, while green hydrogen, produced through electrolysis with renewable energies, takes the forefront in large-scale projects (Lei et al, 2021;Yuan et al, 2023).…”

Section: Introductionmentioning

confidence: 99%

“…Additionally, the 30-year lifespan of solar panels necessitates careful management as special waste at the end of their life (Osman et al, 2022). Despite the dominance expected for green hydrogen in the sustainable energy system of the future, blue hydrogen remains a vital player in expediting the energy transition (Yuan et al, 2023). In addition, the transition to sustainable energy systems requires a comprehensive assessment of hydrogen energy and the hydrogen economy.…”

Section: Introductionmentioning

confidence: 99%

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Life cycle assessment of hydrogen production, storage, and utilization toward sustainability

Osman,

Nasr,

Mohamed

et al. 2024

WIREs Energy & Environment

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In the pursuit of sustainable energy solutions, hydrogen emerges as a promising candidate for decarbonization. The United States has the potential to sell wind energy at a record‐low price of 2.5 cents/kWh, making hydrogen production electricity up to four times cheaper than natural gas. Hydrogen's appeal stems from its highly exothermic reaction with oxygen, producing only water as a byproduct. With an energy content equivalent to 2.4 kg of methane or 2.8 kg of gasoline per kilogram, hydrogen boasts a superior energy‐to‐weight ratio compared to fossil fuels. However, its energy‐to‐volume ratio, exemplified by liquid hydrogen's 8.5 MJ.L−1 versus gasoline's 32.6 MJ.L−1, presents a challenge, requiring a larger volume for equivalent energy. In addition, this review employs life cycle assessment (LCA) to evaluate hydrogen's full life cycle, including production, storage, and utilization. Through an examination of LCA methodologies and principles, the review underscores its importance in measuring hydrogen's environmental sustainability and energy consumption. Key findings reveal diverse hydrogen production pathways, such as blue, green, and purple hydrogen, offering a nuanced understanding of their life cycle inventories. The impact assessment of hydrogen production is explored, supported by case studies illustrating environmental implications. Comparative LCA analysis across different pathways provides crucial insights for decision‐making, shaping environmental and sustainability considerations. Ultimately, the review emphasizes LCA's pivotal role in guiding the hydrogen economy toward a low‐carbon future, positioning hydrogen as a versatile energy carrier with significant potential.This article is categorized under: Emerging Technologies > Hydrogen and Fuel Cells

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%