Temperature impacts on the growth of hydrogen bubbles during ultrasonic vibration-enhanced hydrogen generation

Su, Hongqian; Sun, Jindong; Wang, Caizhu; Wang, Haofeng

doi:10.1016/j.ultsonch.2023.106734

Ultrasonics Sonochemistry

2024

DOI: 10.1016/j.ultsonch.2023.106734

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Temperature impacts on the growth of hydrogen bubbles during ultrasonic vibration-enhanced hydrogen generation

Hongqian Su,

Jindong Sun,

Caizhu Wang

et al.

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2024

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Cited by 3 publications

References 99 publications

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Lattice Boltzmann simulation of oxygen removal from anode porous transport layer in proton exchange membrane electrolyzer

Zhang,

Guan,

Yang

2024

Chemical Engineering Science

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Lattice Boltzmann simulation of oxygen removal from anode porous transport layer in proton exchange membrane electrolyzer

Zhang,

Guan,

Yang

2024

Chemical Engineering Science

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On fluctuations in velocity fields during convective mass transfer in hydrogen generation through water electrolysis

Diehl de Oliveira,

Cardoso,

Rodrigues de Souza

et al. 2024

International Journal of Hydrogen Energy

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Revolutionizing green hydrogen production: the impact of ultrasonic fields

De Menezes,

Sobral,

Dos Santos

et al. 2024

Rev. Bras. Ciênc. Ambient.

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This paper reviews the use of ultrasonic fields in alkaline electrolysis for green hydrogen production, indicating the benefits and challenges of this emerging technology. Applying ultrasound can significantly increase electrolysis efficiency by reducing overpotentials and optimizing mass transfer. Quantitative data in Table 1 show that integrating ultrasound can reduce ohmic resistance by up to 76% and increase hydrogen production efficiency by up to 28%. For instance, under optimized conditions, hydrogen production can be increased by 45%, with energy savings ranging from 10 to 25%. The review examines the impact of ultrasound on removing gas bubbles from electrode surfaces and evaluates the use of ultrasonic transducers in different experimental setups. The effectiveness of ultrasound at specific frequencies (20–100kHz) and adjustable intensities (10–1000W/cm²) is discussed in terms of improving mass transfer and reducing ohmic resistance. Despite the benefits, technical challenges such as selecting appropriate materials and precisely controlling operating conditions are highlighted. The paper suggests that future research should focus on integrating ultrasonic technologies into renewable energy systems, combining ultrasound with advanced techniques to optimize hydrogen electrolysis sustainably and cost-effectively.

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Temperature impacts on the growth of hydrogen bubbles during ultrasonic vibration-enhanced hydrogen generation

Cited by 3 publications

References 99 publications

Lattice Boltzmann simulation of oxygen removal from anode porous transport layer in proton exchange membrane electrolyzer

Lattice Boltzmann simulation of oxygen removal from anode porous transport layer in proton exchange membrane electrolyzer

On fluctuations in velocity fields during convective mass transfer in hydrogen generation through water electrolysis

Revolutionizing green hydrogen production: the impact of ultrasonic fields

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