Non-fossil fuels are urgently needed for maritime and inland shipping applications to mitigate the sector's adverse impact on the global climate. This study investigates the performance of potassium borohydride (KBH 4 ) as an alternative, carbon-free energy carrier on the basis of detailed process simulations of the overall energy storage cycle in Aspen Plus . After optimizing the individual on-board and off-board process steps, the feasibility of installing a KBH 4 -based energy supply system

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... n board of an inland-waterway cargo vessel is evaluated and critical process steps are highlighted along with current research challenges.