CN105811048A

CN105811048A - Air battery

Info

Publication number: CN105811048A
Application number: CN201610261569.2A
Authority: CN
Inventors: 王明君; 宋志江; 潜飞
Original assignee: Wuhu Tailunte Energy Technology Co ltd
Current assignee: Wuhu Tailunte Energy Technology Co ltd
Priority date: 2016-04-26
Filing date: 2016-04-26
Publication date: 2016-07-27

Abstract

The invention discloses an air battery which comprises a first polar plate, a second polar plate, a water absorption layer and a partition plate. The first polar plate, the water absorption layer and the second polar plate are sequentially stacked together, and the water absorption layer is attached with electrolyte. The second polar plate is porous structure, and the baffle setting is kept away from the one side that absorbs water the layer at the second polar plate, and the baffle has a plurality of protruding structures near one side of second polar plate, and the second polar plate can form air channel with the baffle cooperation. The invention can improve the energy density of the air battery.

Description

Air battery

Technical Field

The invention relates to the technical field of batteries, in particular to an air battery.

Background

The conventional energy sources of emergency lighting are nickel-metal hydride batteries and zinc-manganese batteries, the batteries have small capacity, the products are troublesome to treat after the batteries are used, the discarded batteries seriously pollute water and soil, and the environmental friendliness is poor.

Air batteries have been extensively studied for their low cost, high energy density, environmental friendliness, and the like. However, since the air battery requires an electrolyte to generate electrochemical reaction and electric energy, the weight of the air battery is increased, and the air battery is not easily assembled with a plurality of battery cells.

Disclosure of Invention

Based on the technical problems in the background art, the invention provides an air battery.

The invention provides an air battery, which comprises a first polar plate, a second polar plate, a water absorption layer and a clapboard, wherein the first polar plate is arranged on the water absorption layer;

the first polar plate, the water absorption layer and the second polar plate are sequentially stacked together, and the water absorption layer is attached with electrolyte; the second polar plate is porous structure, and the baffle setting is kept away from the one side that absorbs water the layer at the second polar plate, and the baffle has a plurality of protruding structures near one side of second polar plate, and the second polar plate can form air channel with the baffle cooperation. When the water absorption layer is specifically implemented, one side of the first polar plate close to the water absorption layer and one side of the second polar plate close to the water absorption layer are both provided with corrugated structures, so that the contact area of the first polar plate and the water absorption layer and the contact area of the second polar plate and the water absorption layer can be increased. After the water absorption layer absorbs water, the electrolyte is dissolved, so that the electrolyte solution can be fully contacted with the first polar plate and the second polar plate, and the stability of the voltage is improved.

Preferably, the separator further comprises a conductor layer, the conductor layer is arranged on one side of the separator far away from the second polar plate, and one side of the conductor layer is connected with the second polar plate.

Preferably, the conductor layer is in a mesh shape.

Preferably, one side of the first polar plate close to the water absorbing layer and one side of the second polar plate close to the water absorbing layer are both provided with a corrugated structure.

Preferably, the conductor layer is made of one or more of copper, nickel and aluminum.

Preferably, the partition board is provided with waterproof and breathable holes, and the protruding structure on the partition board is in a long strip shape.

Preferably, the clapboard is made of one or more of ABS, polypropylene PP, polyethylene PE, polyformaldehyde POM and PPSU.

Preferably, the first electrode plate is made of zinc, magnesium, aluminum, magnesium-aluminum alloy, zinc-aluminum alloy or zinc-magnesium alloy.

Preferably, the second polar plate is made of one or more of acetylene black base, zirconium oxide base, bismuth oxide base, activated carbon base and carbon felt base.

Preferably, the water absorption layer is made of one or more of silicone resin, non-woven fabrics, fiber cloth, cotton cloth and water-locking sponge.

Compared with the prior art, the invention has the following beneficial effects:

according to the air battery provided by the invention, the water absorption layers attached with the electrolyte are arranged on the first polar plate and the second polar plate, and the second polar plate is provided with the holes, so that when the water absorption layers absorb water, the electrolyte is dissolved in the water to form electrolyte. The electrolyte is contacted with the first polar plate and the second polar plate, and the air is contacted with the electrolyte at the second polar plate through the holes on the second polar plate to generate electrochemical reaction, so that electric energy is generated. Through the range upon range of setting between first polar plate, the layer that absorbs water, the second polar plate, can reduce occupation space, and reduce the use amount of electrolyte, be favorable to improving the energy density of battery and the weight of battery itself, can promote air battery's wide application. Through the range upon range of setting, can reduce the quality of battery, and be favorable to modularization production and equipment.

Through keep away from the one side on the layer that absorbs water at the second polar plate and set up the baffle, and the baffle is close to one side of second polar plate and is equipped with a plurality of archs, can form air passage when assembling a plurality of air battery monomer. Ensuring that air can enter the inside of the second plate and come into contact with the electrolyte. This improves the stability of discharge.

Drawings

FIG. 1 is a schematic view of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the following detailed description of the embodiments is provided with reference to the accompanying drawings.

As shown in fig. 1, fig. 1 is a schematic structural diagram of the present invention, and includes a first plate 1, a second plate 3, a water absorption layer 2, a separator 4, and a conductor layer 5.

The first polar plate 1, the water absorption layer 2 and the second polar plate 3 are sequentially stacked together, and the water absorption layer 2 is attached with electrolyte. In specific implementation, the first electrode plate 1 is made of zinc, magnesium, aluminum, magnesium-aluminum alloy, zinc-aluminum alloy or zinc-magnesium alloy, because the chemical property of magnesium is very active, and the chemical property of aluminum is relatively combined, the aluminum-magnesium alloy is adopted, so that the energy output can meet the requirement, and the reaction can be carried out in a relatively mild state. In specific implementation, the water absorbing layer 2 is made of one or more of silicone resin, non-woven fabric, fiber cloth, cotton cloth and water-locking sponge. Thus, the water absorbing layer 2 can absorb water and has the function of locking water, so that the electrolyte attached to the water absorbing layer 2 is dissolved to form the conductive liquid.

The second polar plate 3 is porous structure, and baffle 4 sets up in second polar plate 3 and keeps away from the one side that absorbs water layer 2, and baffle 4 is close to one side of second polar plate 3 and has a plurality of protruding structures, and second polar plate 3 can form air channel with the cooperation of baffle 4. In specific implementation, the partition board 4 is provided with waterproof and breathable holes, and the protruding structure on the partition board 4 is in a strip shape. In this way, air can enter the second plate 3 through the separator on the side adjacent to the first plate 1. During the concrete implementation, the one side that first polar plate 1 is close to layer 2 that absorbs water and the one side that second polar plate 3 is close to layer 2 that absorbs water all are equipped with the ripple architecture, so, multiplicable first polar plate 1 and the area of contact who absorbs water layer 2, second polar plate 3 and the area of contact who absorbs water layer 2. After the water absorption layer 2 absorbs water, the electrolyte is dissolved, so that the electrolyte solution can be fully contacted with the first polar plate 1 and the second polar plate 3, and the stability of the voltage is improved. In specific implementation, the second polar plate 3 is made of one or more materials of acetylene black base, zirconium oxide base, bismuth oxide base, activated carbon base and carbon felt base. In specific implementation, the partition board 4 is made of one or more of acrylonitrile-butadiene-styrene copolymer ABS, polypropylene PP, polyethylene PE, polyoxymethylene POM, and polyphenylene sulfone resin PPSU.

In the present embodiment, the conductor layer 5 is provided on the side of the separator 4 away from the second electrode plate 3, and one side of the conductor layer 5 is connected to the second electrode plate 3. In actual use, different electrodes need to be connected according to different voltage and current requirements, in the prior art, the electrodes are connected in a welding mode in a common method, processing is inconvenient, the electrodes are damaged due to high temperature in the welding process, and the electrodes can be directly connected in a pressing mode by arranging the conductor layer 5 on the outer side of the partition plate 4. The battery is more convenient to assemble. In a specific embodiment, the conductive layer 5 is a mesh. So, can guarantee that the air can pass the inboard that conductor layer 5 entered into second polar plate 3, guarantee the unobstructed of air, be favorable to guaranteeing the power supply stability of battery. The conductor layer 5 is made of one or more of copper, nickel and aluminum. Thus, the conductivity can be ensured.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. An air battery, characterized in that: comprises a first polar plate (1), a water absorption layer (2), a second polar plate (3) and a clapboard (4);

the first polar plate (1), the water absorption layer (2) and the second polar plate (3) are sequentially stacked together, and the water absorption layer (2) is attached with electrolyte; the second polar plate (3) is of a porous structure, the partition plate (4) is arranged on one side, far away from the water absorption layer (2), of the second polar plate (3), the side, close to the second polar plate (3), of the partition plate (4) is provided with a plurality of protruding structures, and the second polar plate (3) and the partition plate (4) are matched to form an air channel.

2. The air battery of claim 1, wherein: the conductive layer (5) is arranged on one side, far away from the second polar plate (3), of the partition plate (4), and one side of the conductive layer (5) is connected with the second polar plate (3).

3. The air battery according to claim 2, characterized in that: the conductor layer (5) is in a net shape.

4. An air battery according to any one of claims 1-3, characterized in that: one side of the first polar plate (1) close to the water absorption layer (2) and one side of the second polar plate (3) close to the water absorption layer (2) are both provided with a corrugated structure.

5. The air battery according to claim 2 or 3, characterized in that: the conductor layer (5) is made of one or more of copper, nickel and aluminum.

6. The air battery of claim 1, wherein: waterproof and breathable holes are formed in the partition plate (4), and the protruding structures on the partition plate (4) are long-strip-shaped.

7. The air battery according to claim 1, characterized in that: the separator (4) is made of one or more of acrylonitrile-butadiene-styrene copolymer, polypropylene, polyethylene, polyformaldehyde and polyphenylene sulfone resin.

8. The air battery according to claim 1, characterized in that: the first polar plate (1) is made of zinc, magnesium, aluminum, magnesium-aluminum alloy, zinc-aluminum alloy or zinc-magnesium alloy.

9. The air battery of claim 1, wherein: the second plate (3) is made of one or more materials of acetylene black base, zirconium oxide base, bismuth oxide base, activated carbon base and carbon felt base.

10. The air battery of claim 1, wherein: the water absorbing layer (2) is made of one or more of silicone resin, non-woven fabrics, fiber cloth, cotton cloth and water-locking sponge.