An electrified desorption device, including a conductive water-absorbing material containing titanosilicates, wherein a ratio of silicon atoms to titanium atoms in the titanosilicates of the conductive water-absorbing material is 1 ≤ Si Ti ≤ 10 ; a conductive layer selected from the group consisting of a metal component, an alloy material, a conductive oxide component, and a mixture including either (a) more than one of the foregoing components or (b) the metal component, the alloy material, and graphite, attached to end surfaces at two sides of the water-absorbing material; a pair of electrode structures, coupled to two sides of the water-absorbing material respectively, and each having multiple sub-electrodes insulated from each other; and a voltage source, coupled to the pair of electrode structures.