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Company Develops Electrolyzer Capable of Making Green Hydrogen Production More Accessible

Written by Valdemar Medeiros
Published on 15/05/2024 at 17:34
Empresa cria eletrolisador capaz de tornar a produção de hidrogênio verde mais acessível
Foto: DALl-e
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Company Develops New Revolutionary Technology for Green Hydrogen Production: An Electrolyzer with 95% Efficiency.

The production of green hydrogen consumes, on average, about 52.5 kWh of energy to generate one kilogram of gas, which stores 39.4 kWh of energy. This process results in an energy loss of 20% to 30%. However, the new capillary-fed electrolyzer developed by the Australian company Hysata may be an innovative solution to popularize green hydrogen.

New Electrolyzer Promises to Reduce Cost of Green Hydrogen Production

The Australian company Hysata has developed an electrolyzer that can achieve an efficiency of up to 95%, reducing the energy required to produce one kg of green hydrogen from 52.5 kWh to 41.5 kWh. This represents a significant step towards reducing operational and capital costs for green hydrogen production.

Credits: Hysata

The patented technology developed by the company, in collaboration with the University of Wollongong, aims to eliminate the gas bubbles that form on the electrodes during electrolysis, increasing the electrolyte contact area and reducing internal resistance, thanks to a design that allows the upward flow of the electrolyte through a porous and hydrophilic separator.

The technical progress of Hysata has generated considerable interest among researchers, resulting in the raising of US$ 111 million to expand production and continue developing the technology, aiming for gigawatt-scale production.

Despite advancements, the electrolyzer market faces challenges, such as production capacity exceeding demand, which has caused losses for several manufacturers, with only one company reporting a profit in 2023, according to a study by BloombergNEF.

The device can achieve an efficiency of 95%, using only 41.5 kWh to produce one kg of fuel. This increase in efficiency in green hydrogen production can significantly reduce operational and capital costs for producers, making green hydrogen more accessible.

New Technology Achieves Efficiency of Up to 98% in the Laboratory

The effectiveness of this method is remarkable. The company reported an efficiency of up to 98% under laboratory conditions, according to peer-reviewed studies published in Nature Communications. This efficiency is maintained at around 95% in real operating conditions, representing a significant advancement in green hydrogen production.

Recently, Hysata announced, in a statement, the raising of US$ 111 million (R$ 555 million) in a funding round.

The funds will be used to expand production capacity at the Wollongong facility in Australia and for the ongoing development of the technology, aiming for gigawatt-scale manufacturing.

Hydrogen is seen as a promising clean fuel and a means of energy storage for a zero-carbon economy. Compared to batteries, hydrogen carries more energy by weight and offers a solution for decarbonizing challenging sectors such as aviation and heavy transport.

Brazil Shows Advances in the Green Hydrogen Market

The current global alert regarding climate change has reinforced the need for an extensive and urgent process of decarbonization and energy transition, in which green hydrogen, produced through water electrolysis using renewable sources, has emerged as a promising industry generating alternative, clean, and highly efficient energy.

In Brazil, there is interest in this industry across various regions. However, among the most interested is the Northeast, due to its high installed capacity and potential for solar and wind energy generation as well as strategically located ports in relation to foreign markets.

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Valdemar Medeiros

Formado em Jornalismo e Marketing, é autor de mais de 20 mil artigos que já alcançaram milhões de leitores no Brasil e no exterior. Já escreveu para marcas e veículos como 99, Natura, O Boticário, CPG – Click Petróleo e Gás, Agência Raccon e outros. Especialista em Indústria Automotiva, Tecnologia, Carreiras (empregabilidade e cursos), Economia e outros temas. Contato e sugestões de pauta: valdemarmedeiros4@gmail.com. Não aceitamos currículos!

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