Hydrogen storage and release device

摘要

A hydrogen storage and release device ( 10 ) is provided for storing and releasing hydrogen from a metal hydride ( 30 ) contained in the device ( 10 ) based on heat transfer to or from a coolant flow provided through the device ( 10 ). The device ( 10 ) includes a housing ( 12 ) and a metal hydride containing a tube bundle located within the housing ( 12 ), with the exteriors ( 26 ) of the tubes ( 16 ) of the bundle ( 14 ) being reduced over a selected length to provide a free flow area for the coolant flow.