Aluminum air fuel power generation module and battery device

Abstract

The utility model provides an aluminum air fuel power generation module, and relates to the technical field of fuel cells, the aluminum air fuel power generation module comprises a reaction shell, the reaction shell is provided with a plurality of reaction cavities arranged at intervals, air channels are formed between the adjacent reaction cavities at intervals, the cavity walls of the reaction cavities are provided with vent holes, and the vent holes are communicated with the reaction cavities and the air channels; the power generation assembly comprises an anode piece and a cathode piece, the anode piece and the cathode piece are both arranged in the reaction cavity, and the cathode piece is attached to the cavity wall of the reaction cavity and covers the vent hole so as to be communicated with the air channel through the vent hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to fuel cell technical field especially relates to a kind of aluminium air fuel power module and battery device. BACKGROUND

[0002] Aluminium air battery is with high-purity aluminium Al as negative electrode, oxygen or air as positive electrode, with potassium hydroxide (KOH) or sodium hydroxide solution as electrolyte, by aluminium uptake oxygen in air, in chemical reaction generates electric energy. Compared with general commercial power, the power generation efficiency of aluminium air battery is obviously higher, so aluminium air battery is now widely used in various electric equipment, for example electric vehicle.

[0003] The prior art with publication number CN214848797U discloses an aluminium air fuel cell, comprising a first shell and a second shell, a rectangular groove is arranged in the first shell, an anode sheet is arranged in the rectangular groove, the second shell is provided with a circular through hole, a groove is arranged near the first shell, a cathode sheet is arranged in the groove, the anode sheet and the cathode sheet are both connected with a copper electrode, a partition plate is arranged between the first shell and the second shell, the partition plate is provided with a rectangular through hole, an injection hole is arranged at the top of the first shell, a discharge hole is arranged at the bottom of the second shell, a circulating pipe is movably connected between the injection hole and the discharge hole, the circulating pipe is connected with a liquid container, a circulating pump is connected with the pipe body of the circulating pipe, and electrolyte is arranged between the first shell and the second shell.

[0004] However, the existing aluminium air fuel cell still has deficiencies, for example, it has only one reaction cavity, and the cathode sheet of the reaction cavity is connected to the outside of the shell through the circular through hole on only one side, so the contact area of the cathode sheet with air is small, and the power generation efficiency of the entire aluminium air fuel cell is low, thus there is room for improvement. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide an aluminium air fuel power module and battery device to solve the problems that the existing aluminium air fuel cell has only one reaction cavity, the cathode sheet of the reaction cavity is connected to the outside of the shell through the circular through hole on only one side, the contact area of the cathode sheet with air is small, and the power generation efficiency of the entire aluminium air fuel cell is low.

[0006] In a first aspect, the utility model provides an aluminium air fuel power module, comprising:

[0007] a reaction shell, a plurality of reaction cavities are arranged at intervals, an air passage is formed at intervals between adjacent reaction cavities, a vent hole is arranged on the cavity wall of the reaction cavity, and the vent hole connects the reaction cavity and the air passage; and

[0008] The power generation assembly comprises an anode member and a cathode member, both of which are arranged in the reaction cavity, and the cathode member is attached to the cavity wall of the reaction cavity and covers the air vent to communicate the air passage through the air vent.

[0009] In one of the embodiments, the cavity wall of the reaction cavity is provided with a plurality of air vents, and the cathode member covers all the air vents and communicates the air passage through the plurality of air vents.

[0010] In one of the embodiments, the reaction shell is provided with a plurality of air inlets on the circumferential side of the air passage, and the plurality of air inlets are communicated with the external air of the reaction shell.

[0011] In one of the embodiments, the anode member of each reaction cavity has one, and the cathode member has two, which are located on both sides of the anode member, and the cavity wall on both sides of the reaction cavity is provided with the air vent, and the two cathode members are attached to the cavity wall on both sides of the reaction cavity and cover the air vent on the cavity wall on both sides, respectively.

[0012] In one of the embodiments, the power generation assembly further comprises a first electrode and a second electrode, the first electrode is connected to the anode member, and the second electrode is connected to the two cathode members, and the first electrode and the second electrode are used to connect the positive and negative electrodes of the battery.

[0013] In one of the embodiments, the second electrode has a plurality of electrode columns arranged in the circumferential direction, and when the battery is electrically connected, the plurality of electrode columns can be pressed by the battery to make the plurality of electrode columns elastically deform and move closer to each other.

[0014] In one of the embodiments, the top of each electrode column has a guide arc surface.

[0015] In one of the embodiments, the aluminum-air fuel power generation module further comprises a mounting shell, the mounting shell has a mounting cavity and is connected to the reaction shell through the mounting cavity, and the outer wall of the mounting shell has a mounting socket and a handle.

[0016] In one of the embodiments, the top of the mounting shell is further provided with a movable buckle, and the movable buckle is used to detachably connect the battery, so that the positive and negative electrodes of the battery can be detachably connected to the anode member and the cathode member.

[0017] Secondly, the utility model also provides a battery device, which comprises a battery and the aluminum-air fuel power generation module, and the battery is detachably connected to the aluminum-air fuel power generation module, so that the battery can be detachably connected to the anode member and the cathode member.

[0018] Compared with the prior art, the aluminum air fuel power generation module has the reaction cavity which can be used for storing electrolyte such as potassium hydroxide, the anode member and the cathode member are both in contact with the electrolyte in the reaction cavity and react, the anode member can be high-purity metal aluminum, the cathode member can be sealed to the cavity wall of the reaction cavity and cover the air hole of the cavity wall, the electrolyte in the reaction cavity can be prevented from leaking out of the air hole, the cathode member is communicated with the air passage through the air hole, so that the air in the air passage can be in contact with the cathode member, and the required oxygen for the reaction of the cathode member is provided. Since the air passage is located between the two adjacent reaction cavities, the air passage can provide the required oxygen for the reaction of the cathode members of the two reaction cavities, so as to improve the power generation efficiency under the condition of saving space. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of a battery device of the utility model from one perspective;

[0020] Figure 2 It is a structure schematic view of a battery device of the utility model from another perspective;

[0021] Figure 3 It is a disassembly schematic view of the aluminum air fuel power generation module of the utility model;

[0022] Figure 4 It is an enlarged schematic view of A part in Figure 3

[0023] Figure 5 It is a structure schematic view of adjacent reaction cavities in the reaction shell of the utility model. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific embodiments of the utility model are described clearly and completely below in combination with the drawings. Obviously, the following specific details of the description are only part of the embodiments of the utility model, and the utility model can also be implemented in many other embodiments different from the description. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0025] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements can be present. The terms "vertical", "horizontal", "left", "right", and the like as used herein are used for illustration only and are not intended to be limiting.

[0026] ​Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application.

[0027] Please refer to Figures 1 to 5 The aluminum-air fuel power generation module 100 provided by the application comprises a reaction shell 1 and a power generation assembly. The reaction shell 1 is provided with a plurality of reaction cavities 11 arranged at intervals. An air passage 12 is formed between adjacent reaction cavities 11. The cavity wall of the reaction cavity 11 is provided with a vent hole 13. The vent hole 13 connects the reaction cavity 11 and the air passage 12. The plurality of reaction cavities 11 are independent of each other and do not affect each other.

[0028] The power generation assembly comprises an anode 2 and a cathode 3. The anode 2 and the cathode 3 are arranged in the reaction cavity 11. The cathode 3 is attached to the cavity wall of the reaction cavity 11 and covers the vent hole 13, so as to connect the air passage 12 through the vent hole 13. The cathode 3 obtains oxygen required for the reaction.

[0029] The reaction cavity 11 of the embodiment can be used to store electrolyte. The electrolyte can be one or more of potassium hydroxide, sodium hydroxide or sodium chloride. Preferably, the electrolyte is mainly potassium hydroxide, so that the activity of the electrolyte is stronger. The anode 2 can be made of high-purity aluminum. The cathode 3 is composed of a catalytic layer, a conductive layer and a waterproof and breathable layer. The waterproof and breathable layer is attached to the cavity wall of the reaction cavity 11. The catalytic layer is located in the middle. The conductive layer is located on the side of the catalytic layer away from the waterproof and breathable layer. The main component of the catalytic layer is γ-MnO2. The conductive layer is mainly composed of a mixture of graphene and carbon black. The waterproof and breathable layer adopts a high-molecular waterproof and breathable film and is attached to the cavity wall of the reaction cavity 11 to cover the vent hole 13, so as to prevent the electrolyte in the reaction cavity 11 from overflowing from the vent hole 13. The high-molecular waterproof and breathable film can also allow air / oxygen to penetrate and enter the conductive layer. The catalytic layer, the conductive layer and the waterproof and breathable layer can be connected by an adhesive. The adhesive is polytetrafluoroethylene.

[0030] In one embodiment, please refer to Figure 5 The cavity wall of the reaction cavity 11 is provided with a plurality of vent holes 13. The cathode 3 covers all the vent holes 13 and connects the air passage 12 through the plurality of vent holes 13. In this embodiment, the number of vent holes 13 is multiple, which is beneficial to increase the contact area of the cathode 3 and air, thereby improving the reaction efficiency. The arrangement mode of the plurality of vent holes 13 is not limited, for example, the plurality of vent holes 13 can be arranged in a matrix or in a disorderly manner. In addition, the shape of the vent hole 13 is not limited, for example, the vent hole 13 can be circular or rectangular.

[0031] In one of the embodiments, the reaction shell 1 is provided with a plurality of air inlets 14 on the circumferential side of the air passage 12, and the plurality of air inlets 14 are all communicated with the air outside the reaction shell 1. In this embodiment, the air outside the reaction shell 1 can enter the air passage 12 from the plurality of air inlets 14 at the same time, and the air in the air passage 12 can contact the cathode member 3 through the air passage 13 to provide sufficient oxygen for the cathode member 3, thereby improving the reaction efficiency.

[0032] In one of the embodiments, referring to Figure 5 , the anode member 2 of each reaction cavity 11 has one, and the cathode member 3 has two, which are located on both sides of the anode member 2. The two cathode members 3 are respectively attached to the two side cavity walls of the reaction cavity 11 and cover the air passages 13 of the two side cavity walls. In this embodiment, the cathode member 3 has two and is located on both sides of the anode member 2, which is beneficial to improve the reaction efficiency. In addition, the oxygen contacts the two cathode members 3 from both sides of the reaction cavity 11, which can further improve the reaction efficiency. In other embodiments, the circumferential side of the reaction cavity 11 can also be covered by the cathode member 3, which can further improve the reaction efficiency.

[0033] In one of the embodiments, referring to Figure 3 , the power generation assembly further comprises a first electrode 4 and a second electrode 5, the first electrode 4 is connected to the anode member 2, and the second electrode 5 is connected to the two cathode members 3. The first electrode 4 and the second electrode 5 are used to connect the positive and negative electrodes of the battery to facilitate charging the battery during the reaction. In this embodiment, the positive and negative electrodes of the battery can be detachably connected to the first electrode 4 and the second electrode 5. When the battery needs to be charged, the positive and negative electrodes are connected to the first electrode 4 and the second electrode 5, and after the battery is fully charged, the positive and negative electrodes are separated from the first electrode 4 and the second electrode 5.

[0034] In one of the embodiments, referring to Figure 4 , the second electrode 5 has a plurality of electrode columns 51 arranged in the circumferential direction, and the plurality of electrode columns 51 can be pressed by the battery when the battery is electrically connected to the second electrode 5 to make the plurality of electrode columns 51 elastically deform to approach each other. In this embodiment, the electrode column 51 is made of copper and has good electrical conductivity and a certain elastic deformation capacity, so that the plurality of electrode columns 51 can approach each other or spread apart by elastic deformation. The battery has a plug hole matched with the second electrode 5, and the hole wall of the plug hole can press the plurality of electrode columns 51 at the same time when the plug hole is connected to the second electrode 5 to drive the plurality of electrode columns 51 to elastically deform to approach each other. The plurality of electrode columns 51 tightly abut the hole wall of the plug hole by elastic force, so that the second electrode 5 and the battery can maintain stable electrical connection, and the battery can be stably charged.

[0035] The first electrode 4 of the embodiment is arranged on the top of the anode member 2, and the top of the first electrode 4 is provided with a connecting hole 41 for plugging with the battery. Specifically, the positive and negative poles of the battery can be provided with the same structure as the first electrode 4 and the second electrode 5 of the embodiment, so that the positive and negative poles of the battery can be stably plugged with the first electrode 4 and the second electrode 5.

[0036] In one of the embodiments, referring to Figure 4 , the top of each electrode column 51 is provided with a guide arc surface 511. The electrode column 51 of the embodiment is provided with the guide arc surface 511, which is beneficial to the smooth plugging of the battery with the electrode column 51, so as to improve the plugging efficiency of the battery with the second electrode 5. In addition, the guide arc surface can also be replaced by a guide inclined surface, which can play the same role.

[0037] In one of the embodiments, referring to Figure 3 , the aluminum-air fuel power generation module 100 further comprises a mounting shell 6 provided with a mounting cavity 61 and being clamped to the reaction shell 1 through the mounting cavity 61. The outer wall of the mounting shell 6 is provided with a mounting socket 62 and a handle 63. In the embodiment, the mounting cavity 61 of the mounting shell 6 can be plugged with the reaction shell 1 to complete the mounting. The mounting socket 62 arranged on the side wall of the mounting shell 6 can be plugged into a predetermined mounting position, so as to facilitate the fixation of the entire aluminum-air fuel power generation module 100 at the predetermined mounting position. For example, the aluminum-air fuel power generation module 100 can be mounted on an outdoor vehicle, so as to facilitate the carrying of the aluminum-air fuel power generation module 100. In addition, the side wall of the mounting shell 6 is provided with a plurality of air inlets 65. When the reaction shell 1 is inserted into the mounting cavity 61 of the mounting shell 6, the air inlet hole 14 of the reaction shell 1 corresponds to and communicates with the air inlet 65 of the mounting shell 6. External air can enter the air passage 12 of the reaction shell 1 through the air inlet 65 and the air inlet hole 14 in sequence, and then pass through the air vent hole 13 to contact the cathode member 3, so as to provide the required oxygen for the reaction of the cathode member 3.

[0038] In one of the embodiments, referring to Figure 2 , the top of the mounting shell 6 is further provided with a movable buckle 64 for detachably clamping the battery, so that the positive and negative poles of the battery can be detachably connected with the anode member 2 and the cathode member 3. In the embodiment, the movable buckle 64 is a commonly used buckle structure, and the specific structure is not described in detail. The embodiment can lock the battery with the aluminum-air fuel power generation module 100 through the movable buckle 64, so as to avoid the separation of the aluminum-air fuel power generation module 100 during the charging of the battery.

[0039] In one of the embodiments, referring to Figure 2The aluminum-air fuel power generation module 100 further comprises a heat dissipation fan 7, the heat dissipation fan 7 has two and is arranged on one side of the mounting shell 6 and is communicated with the mounting cavity 61. The reaction shell 1 is located in the mounting cavity 61, and the heat dissipation fan 7 can take out the heat generated by the reaction cavity 11 when working to dissipate heat for the reaction cavity 11.

[0040] In a second aspect, referring to Figure 1 and Figure 2 The utility model further provides a battery device 200, including battery 8 and above-mentioned aluminum-air fuel power generation module 100, battery 8 can detachable connection aluminum-air fuel power generation module 100, to make battery 8 detachable connection anode 2 and cathode 3. When the positive and negative poles of battery 8 connect anode 2 and cathode 3, anode 2 and cathode 3 are charged for battery 8 by reaction in electrolyte.

[0041] The surface of battery 8 is provided with power socket 71, charging interface 72, power switch 73 and electric quantity display screen 74, power socket 71 can be used for inserting the plug of electric equipment to facilitate power supply, for example, the triangular plug of electric fan can be inserted in power socket 71, and battery 8 can power supply for electric fan, and electric fan blows wind. Charging interface 72 can be type-c interface or USB interface to facilitate the insertion of charging wire, and electronic products such as mobile phone are charged through charging wire. Power switch 73 is used to control battery work or not work, when needing battery to provide power supply work, power switch 73 can be opened. Electric quantity display screen 74 is used to display the residual capacity of battery to prompt user whether battery 8 needs to be charged.

[0042] The battery 8 of the embodiment can be provided with multiple, and when idle, each battery 8 can be connected to the aluminum-air fuel power generation module 100 one by one, so that the aluminum-air fuel power generation module 100 charges each battery 8 when reacting, and each battery 8 can act as a mobile power source and be used alone, and can power various electric equipment even without connecting the aluminum-air fuel power generation module 100, especially for use in places without power supply outdoors.

[0043] The technical features of the above-described embodiments can be combined arbitrarily, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combination of the technical features does not exist contradictory, it should be considered that it is within the scope of the present application.

[0044] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations, substitutions and improvements can be made, which should be covered in the protection range of the utility model. Therefore, the protection range of the utility model patent should be subject to the claims.

Claims

1. An aluminum-air fuel power generation module, characterized in that, The application relates to an aluminum-air fuel power generation module. The reaction shell is provided with a plurality of reaction cavities arranged at intervals, and air channels are formed between adjacent reaction cavities. The power generation assembly comprises an anode and a cathode, and the anode and the cathode are arranged in the reaction cavities. The cathode is arranged on the cavity wall of the reaction cavity and covers the air holes, so as to connect the air channels through the air holes.

2. The aluminum-air fuel power module of claim 1, wherein, The cavity wall of the reaction cavity is provided with a plurality of air holes, and the cathode covers all the air holes and connects the air channels through the air holes.

3. The aluminum-air fuel power module of claim 1, wherein, The reaction shell is provided with a plurality of air inlet holes on the side of the air channels, and the air inlet holes are connected with the outside air of the reaction shell.

4. The aluminum-air fuel power module of claim 1, wherein, The anode of each reaction cavity has one, and the cathode has two, which are arranged on the two sides of the anode.

5. The aluminum-air fuel power module of claim 4, wherein, The cavity wall of the reaction cavity is provided with the air holes, and the two cathodes are arranged on the two cavity walls of the reaction cavity and cover the air holes of the two cavity walls respectively.

6. The aluminum-air fuel power module of claim 5, wherein, The power generation assembly further comprises a first electrode connected with the anode and a second electrode connected with the two cathodes, and the first electrode and the second electrode are used for connecting the positive and negative electrodes of a battery.

7. The aluminum-air fuel power module of claim 6, wherein, The second electrode has a plurality of electrode columns arranged in the circumferential direction, and the electrode columns can be pressed by the battery when the battery is electrically connected, so that the electrode columns are elastically deformed and close to each other.

8. The aluminum-air fuel power module of claim 1, wherein, The top of each electrode column has a guide arc surface.

9. The aluminum-air fuel power module of claim 8, wherein, The aluminum-air fuel power generation module further comprises a mounting shell having a mounting cavity and being connected with the reaction shell through the mounting cavity.

10. A battery device characterized by comprising: The top of the mounting shell is further provided with a movable buckle used for detachably connecting the battery, so that the positive and negative electrodes of the battery are detachably connected with the anode and the cathode. The application relates to an aluminum-air fuel power generation module. The battery is detachably connected with the aluminum-air fuel power generation module, so that the battery is detachably connected with the anode and the cathode.

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