Electrolyzer and electrolytic device thereof

Abstract

An electrolyzer includes a casing and an electrolytic device. The casing includes two side plates. The electrolytic device is disposed between the two side plates, and the electrolytic device includes a plurality of porous layers, a plurality of current collector plates, a plurality of membranes and a plurality of heating units. The current collector plates are arranged in an alternating manner with the porous layers. The membranes are disposed corresponding to the porous layers. The heating units are respectively disposed on at least some of the current collector plates.

What is claimed is: 
     
         1 . An electrolyzer comprising:
 a casing comprising two side plates; and   an electrolytic device disposed between the two side plates, and the electrolytic device comprising:
 a plurality of porous layers; 
 a plurality of current collector plates arranged in an alternating manner with the plurality of porous layers; 
 a plurality of membranes disposed corresponding to the plurality of porous layers; and 
 a plurality of heating units respectively disposed on at least some of the plurality of current collector plates. 
   
     
     
         2 . The electrolyzer according to  claim 1 , wherein each of the plurality of current collector plates comprises a tab, and the plurality of heating units are respectively disposed on at least some of the tabs. 
     
     
         3 . The electrolyzer according to  claim 2 , wherein the plurality of heating units are respectively disposed on each of the tabs of the plurality of current collector plates. 
     
     
         4 . The electrolyzer according to  claim 2 , wherein the plurality of current collector plates comprises two first current collector plates and a second current collector plate, the second current collector plate is located between the two first current collector plates, each of the two first current collector plates is provided with one of the plurality of heating units, and the second current collector plate is not provided with any of the plurality of heating units. 
     
     
         5 . The electrolyzer according to  claim 1 , wherein two or more of the plurality of heating units are disposed on one of the plurality of current collector plates. 
     
     
         6 . The electrolyzer according to  claim 1 , further comprising a temperature sensor and a control unit, wherein the control unit is in signal communication with the temperature sensor and the plurality of heating units, the temperature sensor is configured to sense a temperature of an electrolyte, the plurality of porous layers, or the plurality of current collector plates to obtain a temperature value, and the control unit is configured to control an operation of the plurality of heating units based on the temperature value. 
     
     
         7 . The electrolyzer according to  claim 1 , wherein each of the plurality of membranes comprises a catalyst material. 
     
     
         8 . The electrolyzer according to  claim 1 , wherein each of the plurality of membranes is an anion exchange membrane. 
     
     
         9 . An electrolytic device comprising:
 two porous layers;   two current collector plates, wherein the two porous layers are disposed between the two current collector plates;   a membrane disposed between the two porous layers;   at least one first heating unit disposed on one of the two current collector plates; and   at least one second heating unit disposed on other of the two current collector plates.   
     
     
         10 . The electrolytic device according to  claim 9 , wherein each of the two current collector plates comprises a tab, and the at least one first heating unit and the at least one second heating unit are respectively disposed on the tabs of the two current collector plates. 
     
     
         11 . The electrolytic device according to  claim 10 , wherein the tabs extend beyond an edge of each of the two porous layers. 
     
     
         12 . The electrolytic device according to  claim 9 , wherein the at least one first heating unit comprises a plurality of first heating units, the at least one second heating unit comprises a plurality of second heating units, the plurality of first heating units are arranged, spaced apart from each other, in a circumferential direction of one of the two current collector plates, and the plurality of second heating units are arranged, spaced apart from each other, in a circumferential direction of other of the two current collector plates. 
     
     
         13 . The electrolytic device according to  claim 9 , wherein the membrane is an anion exchange membrane. 
     
     
         14 . The electrolytic device according to  claim 9 , wherein the membrane comprises a catalyst material.