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An adsorption unit is provided, including an electrical heating substrate defined with a fluid channel therein, and an adsorptive material layer formed on the electrical heating substrate to contact the fluid channel for adsorbing moisture or volatile organic compounds (VOCs) in a gas flow through t

An adsorption unit is provided, including an electrical heating substrate defined with a fluid channel therein, and an adsorptive material layer formed on the electrical heating substrate to contact the fluid channel for adsorbing moisture or volatile organic compounds (VOCs) in a gas flow through the fluid channel.

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1. An adsorption device, comprising: an insulating frame defined with a space therein;a plurality of adsorption units, connected and evenly disposed in the space in the insulating frame, wherein each of the adsorption units comprises: an electrical heating substrate defined with a fluid channel ther

1. An adsorption device, comprising: an insulating frame defined with a space therein;a plurality of adsorption units, connected and evenly disposed in the space in the insulating frame, wherein each of the adsorption units comprises: an electrical heating substrate defined with a fluid channel therein; andan adsorptive material layer formed on the electrical heating substrate to contact the fluid channel for adsorbing moisture or volatile organic compounds (VOCs) in a gas flowing through the fluid channel;anda plurality of contact electrode plates disposed over an outer surface of the insulating frame, wherein the plurality of contact electrode plates electrically couple to the plurality of adsorption units. 2. The adsorption device as claimed in claim 1, wherein the electrical heating substrate comprises a super conducting film heating plate or a positive temperature coefficient thermistor. 3. The adsorption device as claimed in claim 1, further comprising: a thermal conductive bonding layer disposed between the electrical heating substrate and the adsorptive material layer, wherein the thermal conductive bonding layer comprises organic or inorganic adhesives or binder. 4. The adsorption device as claimed in claim 3, wherein the inorganic adhesives comprise silicon oxide or aluminum oxide. 5. The adsorption device as claimed in claim 3, wherein the organic adhesives comprise poly (vinyl butyral), poly (vinyl alcohol), or a combination thereof. 6. The adsorption device as claimed in claim 1, wherein the adsorptive material layer comprises porous adsorptive materials. 7. The adsorption device as claimed in claim 1, wherein the adsorptive material comprises silica gels, activated alumina, zeolites, or activated carbons. 8. The adsorption device as claimed in claim 1, wherein the insulating frame is an insulating wheel-like body, and the adsorption device further comprises: a plurality of insulating plates disposed in the insulating wheel-like body, thereby defining a plurality of areas therein, wherein the areas comprise the adsorption units; andan axis disposed at a center of the insulating wheel-like body to fix the adsorption device. 9. The adsorption device as claimed in claim 8, further comprising a conductive metal plate penetrating the insulating wheel-like body to connect the adsorption units with one of the contact electrode plates. 10. The adsorption device as claimed in claim 8, further comprising a gas-inlet cap and a gas-outlet cap disposed on opposite sides of the insulating wheel-like body, wherein the gas-inlet cap and the gas-outlet cap define an adsorption area and a desorption area in the adsorption device. 11. The adsorption device as claimed in claim 10, wherein the gas-inlet cap and the gas-outlet cap further define a pre-cooling area in the adsorption device, and the pre-cooling area is adjacent to the desorption area. 12. The adsorption device as claimed in claim 1, wherein the insulating frame is an insulating cubic-like frame, and the insulating device further comprises: a gas-inlet cap connected with a side of the insulating cubic-like frame; anda gas-outlet cap connected to another side of the insulating cubic-like frame, opposing to the gas-inlet cap. 13. The adsorption device as claimed in claim 12, wherein the adsorption device is a tower type adsorption device.