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Hydrogen and Sea Water Mining

Seawater is a vast, untapped reservoir of essential minerals and elements crucial for various industries. Seawater mining involves extracting valuable resources such as lithium, magnesium, uranium, and rare earth elements, offering a sustainable alternative to traditional mining. With advanced technologies, this process enables efficient recovery of critical materials while minimizing environmental impact. As demand for clean energy and high-tech applications grows, seawater mining presents a promising solution for securing essential raw materials in a sustainable way.

 

NES has developed a groundbreaking seawater mining process, utilizing seawater – an inexpensive and abundant resource – as the seawater mining feedstock. This innovative approach, combined with cost reductions achieved through technological advancements, offers a revolutionary method for generating clean hydrogen energy, various alkali and alkaline earth metals.

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Seawater Electrolysis

At Nordische Energy, we are developing efficient seawater electrolysis technology for green hydrogen production, reducing reliance on scarce freshwater resources. With hydrogen (H₂) offering an energy density of 142 MJ/kg, it holds immense potential as a clean energy source.

Seawater electrolysis presents challenges such as:

  • Oxygen vs. Chlorine Evolution Reaction at the Anode
  • Corrosion-Resistant Electrocatalysts for Chloride-Rich Environments
  • Sediment build up on electrode surface
  • Membrane fouling from microorganisms and microparticles

To overcome these issues, we are working on a membrane-less electrolyzer with noble metal electrodes, streamlining the process with just three components:

  • Cathode for hydrogen evolution
  • Anode for oxygen evolution
  • Chassis for electrolyte flow and gas separation

This design enhances efficiency, durability, and scalability, making seawater electrolysis a viable path for sustainable hydrogen production.

Green Hydrogen from Seawater A Sustainable Solution

Technology Overview

This patent-pending technology developed by NES utilizes a unique box electrode configuration combined with natural fluid dynamics to achieve efficient hydrogen and oxygen gas separation without membranes. The ability to use seawater as an electrolyte further enhances the sustainability and economic viability of green hydrogen production

Key Advantages

  • Cost-Effective: Eliminates expensive membranes, significantly reducing system costs.
  • Efficient: Achieves high hydrogen production rates and energy efficiency comparable to membrane-based systems.
  • Sustainable: Utilizes seawater as an electrolyte, minimizing reliance on freshwater resources.
  • Scalable: Modular design allows for easy scaling to meet growing hydrogen demand.
  • Reliable: Simplified design with fewer components increases reliability and reduces maintenance.
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