The US Navy has chosen Nel Hydrogen’s PEM electrolyser product to generate oxygen for submarine life support, but it has not stated what it plans to do with the hydrogen byproduct.
In a $6m deal with Collins Aerospace, Nel will deliver the stacks over several years, beginning in late 2025. The electrolyser solutions will be supplied from its Wallingford, Connecticut facility in the US.
The agreement builds on Nel’s relationship with Collins Aerospace. In 2020, the Norwegian company agreed to an initial $5.4m deal with the aerospace and defence supplier.
However, it is unclear what will happen to the hydrogen produced. Nel told H2 View that it could not provide further information due to the military nature of the contact.
More broadly, non-nuclear submarines can use hydrogen for fuel cells. Nuclear submarines, on the other hand, can use electrolysers primarily to provide oxygen for crew life support, with the hydrogen vented or used.
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