FUEL CELL DEVICE

Abstract

The present invention is a fuel cell device, which at least comprises: at least one membrane electrode assembly, in which the membrane electrode assembly at least comprises: an anode electrode, a proton exchange membrane, and a cathode electrode; and, at least one double-sided flow board, which is configured on one side of the membrane electrode assembly, and the double-sided flow board employs a wave structure.

Description

BRIEF DESCRIPTION OF DRAWINGS

The above objective and advantages of the present invention will become more apparent with reference to the appended drawings wherein:

FIG. 1 is an elevation diagram for the basic portion of one embodiment for the fuel cell device according to the present invention;

FIG. 2A is an elevation diagram for the basic portion of another embodiment for the fuel cell device according to the present invention;

FIG. 2B is an exploded diagram for FIG. 2A according to the present invention;

FIG. 3A is an elevation diagram for the basic portion of further embodiment for the fuel cell device according to the present invention;

FIG. 3B is an exploded diagram for FIG. 3A according to the present invention;

FIG. 4A is a cross-sectional diagram for double-sided flow board used by the fuel cell device according to the present invention;

FIG. 4B is a cross-sectional diagram for a varied embodiment for double-sided flow board of FIG. 4A; and

FIG. 5 is an exploded diagram for the basic portion of a varied embodiment for the fuel cell device in FIG. 2A.

Claims

1. A fuel cell device, which at least comprises: a plurality of double-sided flow boards, wherein each double-sided flow board employs a wave structure, and each double-sided flow board comprises: a substrate, which comprises at least one channel structure, wherein the configured locations for these channel structures are associated with the configured locations for membrane electrode assemblies;at least one current collection sheet, which is made of conductive material, and the current collection sheets are covered on the channel structures on the substrate, and the electricity collection sheets are fixed with the substrate;the membrane electrode assemblies, each is disposed between the corresponding two double-sided flow boards, wherein each membrane electrode assembly at least comprises: an anode electrode, a proton exchange membrane, and a cathode electrode.

2. The fuel cell device of claim 1, wherein the fuel cell device is a fuel cell stack.

3. The fuel cell device of claim 1, wherein the channel structure is a wave structure.

4. The fuel cell device of claim 1, wherein the electricity collection sheet employs a wave structure.

5. The fuel cell device of claim 1, wherein the substrate is chosen one from anti-chemical non-conductive engineering plastic substrate, plastic carbon substrate, FR4 substrate, FR5 substrate, epoxy resin substrate, glass fiber substrate, ceramic substrate, polymer plastic substrate, and composite material substrate.

6. The fuel cell device of claim 1, wherein the material of the current collection sheet is chosen one from stainless steel, titanium, gold, graphite, carbon metal compound, and anti-chemical metal.

7. The fuel cell device of claim 1, wherein the current collection sheet is made of conductive material, and the surface is treated with anti-erosion and/or anti-acid.

8. The fuel cell device of claim 1, wherein the current collection sheet further comprises a metal layer, which is formed on the surface of the current collection sheet.

9. The fuel cell device of claim 8, wherein the material for the metal layer is chosen one from gold, copper silver, carbon, high conductivity metal.

10. The fuel cell device of claim 1, wherein the double-sided flow board further comprises at least one circuit component, which is disposed on the substrate.

11. The fuel cell device of claim 10, wherein the circuit component is a circuitry.

12. The fuel cell device of claim 11, wherein the circuitry is a printed circuitry, and electrically connected to the current collection sheets.