CN220963524U

CN220963524U - Aluminum-air battery structure

Info

Publication number: CN220963524U
Application number: CN202322613747.1U
Authority: CN
Inventors: 林基列; 陈展
Original assignee: Wenzhou Aluminum Energy Battery Co ltd
Current assignee: Wenzhou Aluminum Energy Battery Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-14
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses an aluminum air battery structure, which relates to the technical field of aluminum air batteries and comprises a shell, wherein a cavity is arranged in the shell and is divided into a first cavity and a second cavity under the action of a separation plate, electrolyte is arranged between the first cavity and the second cavity, one side of the shell is provided with a mounting groove, a reaction plate is arranged in the mounting groove, the reaction plate is connected with a positive electrode, the side, close to the positive electrode, of the upper end of the shell is provided with a sealing sleeve, a reaction rod penetrates through the sealing sleeve, one end of the reaction rod extends into the second cavity, the other end of the reaction rod is connected with a negative electrode, the side, far from the positive electrode, of the sealing sleeve is sequentially provided with an exhaust port and a water filling port, the interior of the shell is divided into the first cavity and the second cavity through the separation plate, the electrolyte is placed in one of the cavities, the shell is rotated to enable the electrolyte to flow in the two cavities, the electrolyte is prevented from corroding the reaction rod under the non-working state of the aluminum air battery, and meanwhile, the exhaust port part is provided with a buffer structure to prevent the electrolyte from exuding in the overturning process of the shell.

Description

Aluminum-air battery structure

Technical Field

The utility model relates to the technical field of aluminum-air batteries, in particular to an aluminum-air battery structure.

Background

The aluminum air battery has very rapid development, has good effect in EV application, and is a very promising air battery.

The chemical reaction of an aluminum air cell is similar to that of a zinc air cell, and the aluminum air cell uses high-purity aluminum Al (99.99% containing aluminum) as a negative electrode, oxygen as a positive electrode, and potassium hydroxide (KOH) or sodium hydroxide (NaOH) aqueous solution as an electrolyte. The aluminum absorbs oxygen in the air, chemical reaction is generated when the battery discharges, the aluminum and oxygen are converted into aluminum oxide, and the aluminum-air fuel battery has the advantages of high energy density, light weight, no pollution, high reliability, long service life and the like, and the basis of the aluminum-air fuel battery is a battery monomer.

In the using process of the traditional aluminum-air battery, because of the limitation of the battery structure, the electrolyte and the reaction rod are placed together, and the problem of unavoidable self corrosion occurs, so that the whole battery has side reaction of hydrogen evolution, and potential safety hazard exists for the whole battery.

Disclosure of utility model

The utility model aims to provide an aluminum-air battery structure so as to solve the problems of self corrosion and ineffective discharge of hydrogen in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an aluminium empty battery structure, includes the casing, the inside cavity that is provided with of casing, this cavity divide into cavity one and cavity two under the effect of separator plate, one alternative is provided with electrolyte between cavity one and the cavity two, open on one side of the casing has the mounting groove, is provided with the reaction plate in this mounting groove, is connected with the anodal on this reaction plate, this side of being close to anodal on the casing upper end is provided with the seal cover, and this seal cover runs through and is provided with the reaction rod, and this reaction rod one end stretches into to cavity two, and the other end is connected with the negative pole, seal cover keeps away from anodal this side and has set gradually gas vent and water filling port, reaction plate and reaction rod all set up in cavity two, and this cavity two is the reaction chamber.

Preferably, the exhaust port further comprises a spring and a plug, wherein two ends of the spring are respectively connected with the exhaust port and the plug, the surface of the exhaust port is provided with a plurality of exhaust holes, the plug is in a gyro-type structure, and the lower surface of the plug faces the cavity.

Preferably, a gap exists between the upper end of the separation plate and the shell, and the height of the electrolyte is lower than that of the separation plate.

Compared with the prior art, the utility model has the beneficial effects that: the electrolyte is placed in one of the chambers by dividing the electrolyte into the first chamber and the second chamber through the separating plate in the shell, the electrolyte flows in the two chambers according to requirements by rotating the shell, the electrolyte is effectively prevented from corroding the reaction rod in the non-working state of the aluminum-air battery, and meanwhile, the buffer structure is arranged at the exhaust port, so that the electrolyte is prevented from exuding in the overturning process of the shell.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the internal structure of the housing according to the present utility model;

FIG. 3 is a top view of the present utility model;

FIG. 4 is a C-C cross-sectional view of FIG. 3;

fig. 5 is a schematic view of the structure of the exhaust port according to the present utility model.

In the figure:

10. A housing; 101. a first chamber; 102. a second chamber; 103. a separation plate; 104. a mounting groove; 20. a reaction plate; 30. a positive electrode; 40. a negative electrode; 50. an exhaust port; 501. a spring; 502. a plug; 60. a water filling port; 70. sealing sleeve; 80. a reaction rod; 90. and (3) an electrolyte.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, an aluminum air battery structure comprises a housing 10, a cavity is arranged in the housing 10, the cavity is divided into a first cavity 101 and a second cavity 102 under the action of a separation plate 103, electrolyte 90 is alternatively arranged between the first cavity 101 and the second cavity 102, a mounting groove 104 is formed in one side of the housing 10, a reaction plate 20 is arranged in the mounting groove 104, a positive electrode 30 is connected to the reaction plate 20, a sealing sleeve 70 is arranged on the side, close to the positive electrode 30, of the upper end of the housing 10, a reaction rod 80 is arranged in a penetrating manner, one end of the reaction rod 80 extends into the second cavity 102, the other end of the reaction rod is connected with a negative electrode 40, the side, far from the positive electrode 30, of the sealing sleeve 70 is sequentially provided with an exhaust port 50 and a water injection port 60, the first cavity 101 and the second cavity 102 are divided into the first cavity by the separation plate 103 in the housing 10, the electrolyte 90 is placed in one cavity, the two cavities flows in accordance with requirements by rotating the housing 10, the electrolyte 90 is effectively prevented from corroding the reaction rod 80 in a non-working state of the aluminum battery, and meanwhile, the exhaust port 50 is arranged in the two cavities 50 and the two cavities 20 are prevented from being connected with the second cavity 20, and the two cavities 20 are connected with the reaction rod 40 in a reverse structure, and the two cavities 20 are connected with the reaction rod 20.

In this embodiment, the air vent 50 further includes a spring 501 and a plug 502, where two ends of the spring 501 are respectively connected to the air vent 50 and the plug 502, the surface of the air vent 50 is provided with a plurality of air vents, the plug 502 is in a gyro-type structure, the lower surface of the plug faces the cavity, and when the air vent 50 is pulled up, the spring 501 and the plug 502 are driven to shift, so that the hydrogen in the shell 10 is discharged, and meanwhile, due to the arrangement of the buffer mechanism, the electrolyte 90 is prevented from exuding in the process of overturning the shell 10.

In this embodiment, a gap exists between the upper end of the separation plate 103 and the housing 10, and the height of the electrolyte 90 is lower than that of the separation plate 103, so that the electrolyte 90 is guaranteed to flow into the second chamber 102 by turning the housing 10 during operation of the aluminum air battery, so that the electrolyte reacts with the reaction rod 80 and the reaction plate 20, and when the aluminum air battery is suspended, the electrolyte 90 flows back into the first chamber 101 from the second chamber 102 by turning the housing 10, so that the electrolyte 90 is effectively prevented from corroding the reaction rod 80 in a state where the aluminum air battery is not operated.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An aluminium empty battery structure, its characterized in that:

Including the casing, the inside cavity that is provided with of casing, this cavity divide into cavity one and cavity two under the effect of separator plate, alternative be provided with electrolyte between cavity one and the cavity two, open on one side of the casing has the mounting groove, is provided with the reaction plate in this mounting groove, is connected with the anodal on this reaction plate, the casing upper end is close to anodal this side and is provided with the seal cover, and this seal cover runs through and is provided with the reaction rod, and this reaction rod one end stretches into cavity two, and the other end is connected with the negative pole, seal cover has kept away from anodal this side and has set gradually gas vent and water filling port, reaction plate and reaction rod all set up in cavity two, and this cavity two is the reaction chamber.

2. The aluminum-air battery structure according to claim 1, wherein: the exhaust port further comprises a spring and a plug, wherein two ends of the spring are respectively connected with the exhaust port and the plug, the surface of the exhaust port is provided with a plurality of exhaust holes, the plug is in a gyro-type structure, and the lower surface of the plug faces the cavity.

3. The aluminum-air battery structure according to claim 1, wherein: and a gap is formed between the upper end of the separation plate and the shell, and the height of the electrolyte is lower than that of the separation plate.