German energy technology company Enapter is increasing the energy efficiency of green hydrogen production following the startup of production of the water-cooled variant (LC) of its AEM Electrolyser EL 4.0.
Designed to produce green hydrogen at locations where conventional cooling is not possible, the liquid cooled variant enables the direct connection of an external cooling system to optimise thermal management and make use of waste heat more efficiently.
According to Enapter, the heat is released via a secondary circuit and can be combined with a heat pump, in addition to other components such as water-cooled fuel cells.
Suited for installations in smaller rooms and containers, the external water cooling enables the dissipation of heat through external pipes, which the company says is more effective when combining several EL 4.0 LC units in a cluster.
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