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-4.0kwh/Nm³ – LONGi Hydrogen launches a new generation of hydrogen production equipment from ALK Hi1 electrolyzed water

BEIJING, Feb. 17, 2023 /PRNewswire/ — LONGi Hydrogen, a wholly-owned subsidiary of China’s solar giant LONGi Green Energy Technology Co. Ltd. (LONGi), officially launched its new generation of hydrogen production equipment in Beijing made from ALK Hi1 alkaline electrolyzed water, which continuously explores minimal energy consumption and redefines the height of energy efficiency.

Based on the rich experience in PV field, LONGi found that, similar to the LCOE of PV, the main path is to reduce the electricity consumption of hydrogen production units, that is, for the same electricity consumption to produce more hydrogen. The lower the levelized cost of hydrogen (LCOH), the more profitable green hydrogen is.

The price of electricity and the energy consumption per unit of hydrogen production are the two variables that contribute to the higher sensitivity of the LCOH. ALK Hi1’s full load continuous current consumption can be as low as 4.3kwh/Nm³. In the case of the ALK Hi1 Plus it is even lower, up to 4.1kwh/Nm³, to adapt to hydrogen production scenarios that require longer hours of use. It even reaches 4.0 kWh/Nm³ when the current density is 2500 A/㎡.

The research also shows that the full-load DC power consumption of the global electrolyzed water hydrogen production industry, including alkaline water (ALK) hydrogen production technology and water electrolysis power by proton exchange membrane (PEM), is basically in the range of 4.5-4.6kwh/Nm³. Li Can, a scholar from the Chinese Academy of Sciences, said that this is already a comparatively good energy efficiency performance at the industrial level.

So far, LONGi ALK Hi1 series products have passed empirical tests and their performance has been certified by third-party authorities such as Det Norske Veritas and DEKRA Testing and Certification (Shanghai) Ltd., and measured in accordance with the GB national standard. -32311-2015. LONGi ALK Hi1 series products are classified to have the energy efficiency level 1 of the hydrogen production system.

LONGi ALK Hi1 series products have the characteristics of high efficiency and high production capacity, which means the reduction of DC power consumption by more than 10%, and the LCOH of hydrogen production under different scenarios is reduced. will greatly reduce. That is, for a 0.1kwh/Nm³ reduction in DC power consumption from hydrogen production, based on the number of hours the system is used, the LCOH of hydrogen can be reduced by 1.8% to 1.5%. 2.2%, which is equivalent to a reduction of the initial investment of the hydrogen production equipment of between 10% and 25%.

“The history of the development of human civilization is also the history of energy development.” In the context of “Peak Carbon and Carbon Neutrality”, the trend of energy development will gradually shift from carbon-based energy to silicon-based energy, and then to hydrogen energy. Li Zhenguo, founder and chairman of LONGi, said solar energy has become the world’s cheapest clean energy, and “photovoltaic hydrogen production” is a true “double clean” energy solution.

Through the comparison of different scenarios, Ma Jun, President of LONGi Hydrogen, introduced the advanced technology and business value of LONGi ALK Hi1 to the participants at the launch event. LONGi Hydrogen always adheres to “First Principles” to carry out scientific and technological exploration, and is dedicated to becoming a world-leading provider of large-scale green hydrogen production equipment and solutions.

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