阅读说明：本技术 一种新型可充电锌空气电池 (Novel chargeable zinc-air battery ) 是由 黄荣杰 吕宗哲 蔡衔臻 于 2021-09-13 设计创作，主要内容包括：本发明公开了一种新型可充电锌空气电池,属于金属空气电池领域,包括电池本体,所述电池本体由电池外壳、空气电极、锌片电极、隔膜组成,所述空气电极、锌片电极、隔膜采用三明治插层方式固定在电池外壳的内部,所述电池外壳包括电池下壳、电池上壳；所述电池下壳的内侧设有与锌片电极下侧相匹配的锌片固定槽。本发明中空气电极、锌片电极、隔膜采用三明治插层方式固定在电池外壳的内部,目的在于提高电池使用效率,优化可充电锌空气电池结构；电池外壳外部侧面设有注液孔、排液孔,目的在于可以及时更换电解液,保证电池的使用性能。固定进气隔板的大进气通道面积能够保持空气在电池中流通,并起到透气、散热、防水和防护作用。(The invention discloses a novel rechargeable zinc-air battery, which belongs to the field of metal-air batteries and comprises a battery body, wherein the battery body consists of a battery shell, an air electrode, a zinc sheet electrode and a diaphragm, the air electrode, the zinc sheet electrode and the diaphragm are fixed in the battery shell in a sandwich intercalation mode, and the battery shell comprises a battery lower shell and a battery upper shell; and a zinc sheet fixing groove matched with the lower side of the zinc sheet electrode is arranged on the inner side of the lower battery shell. The air electrode, the zinc sheet electrode and the diaphragm are fixed inside the battery shell in a sandwich intercalation mode, so that the battery use efficiency is improved, and the structure of the rechargeable zinc-air battery is optimized; the outside side of battery case is equipped with notes liquid hole, outage, and aim at can in time change electrolyte, guarantees the performance of battery. The large air inlet passage area of the fixed air inlet partition plate can keep air to circulate in the battery, and the air inlet partition plate plays roles in ventilation, heat dissipation, water prevention and protection.)

1. A novel rechargeable zinc-air battery comprises a battery body (1), and is characterized in that the battery body (1) consists of a battery shell (2), an air electrode (6), a zinc sheet electrode (7) and a diaphragm (9), wherein the air electrode (6), the zinc sheet electrode (7) and the diaphragm (9) are fixed in the battery shell (2) in a sandwich intercalation mode, and the battery shell (2) comprises a battery lower shell (3) and a battery upper shell (4);

the inner side of the battery lower shell (3) is provided with a zinc sheet fixing groove (8) matched with the lower side of the zinc sheet electrode (7), the diaphragm (9) is fixed in a diaphragm frame (10), the diaphragm frame (10) is bonded between the air electrode (6) and the zinc sheet electrode (7) through sealing foaming glue (13), and form a positive and negative reaction chamber together, a sealing foaming glue (13) is filled between the air electrode (6) and the fixed air inlet clapboard (5), the battery upper shell (4) is provided with an air electrode lug (11) which is electrically connected with the air electrode (6), the battery upper shell (4) is provided with a zinc sheet electrode lug (12) which is electrically connected with the zinc sheet electrode (7), a liquid injection hole (14) is formed in one side of the battery upper shell (4), a liquid discharge hole (15) is formed in one side of the battery lower shell (3), and a buckle sliding groove (16) is formed in the lower portion of the side face of the battery lower shell (3).

2. The new type of rechargeable zinc-air battery as claimed in claim 1, characterized in that the battery case (2), the fixed air intake partition (5) and the diaphragm frame (10) are made of organic glass or teflon.

3. The novel rechargeable zinc-air battery as claimed in claim 1, wherein the air electrode (6) is made of stainless steel mesh coated with catalyst with ORR performance, and the mesh number of the stainless steel mesh is 100-500.

4. The new type of rechargeable zinc-air battery as claimed in claim 1, characterized in that the sealing foam (13) is polyurethane type material.

Technical Field

The invention relates to the technical field of metal-air batteries, in particular to a novel rechargeable zinc-air battery.

Background

The zinc-air battery is one of metal-air batteries, also belongs to a new energy battery, has the advantages of low cost, high safety, no pollution, high specific capacity and the like, has stable working voltage and flexible adaptability and designability, and the anode active substance of the novel rechargeable zinc-air battery is derived from oxygen in the air, while the cathode active substance is metal zinc, and is potassium hydroxide aqueous solution used as electrolyte, and generates an electrochemical reaction under the action of a rechargeable catalyst to generate a chemical power supply of electric energy.

The zinc-air battery has the advantages of high safety, high specific capacity and the like, so that the zinc-air battery can be applied to the field of power batteries, but has not been widely applied all the time. The reaction system of the zinc-air battery is in contact with air, so the structure of the zinc-air battery is required to be an air-permeable and waterproof open structure, and the heat dissipation and the durability of the battery are also ensured in order to meet the cyclic charge and discharge of the zinc-air battery.

The conventional zinc-air battery is mainly a button battery, and does not have the related technology and structure applied to the field of power batteries, so that the invention provides a novel rechargeable zinc-air battery.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a novel rechargeable zinc-air battery.

In order to achieve the purpose, the invention adopts the following technical scheme:

a novel rechargeable zinc-air battery comprises a battery body, wherein the battery body consists of a battery shell, an air electrode, a zinc sheet electrode and a diaphragm, the air electrode, the zinc sheet electrode and the diaphragm are fixed in the battery shell in a sandwich intercalation mode, and the battery shell comprises a battery lower shell and a battery upper shell;

the battery lower shell is characterized in that a zinc sheet fixing groove matched with the lower side of a zinc sheet electrode is formed in the inner side of the battery lower shell, the diaphragm is fixed in the diaphragm frame, the diaphragm frame is adhered between the air electrode and the zinc sheet electrode through a sealing foaming adhesive and forms a positive-negative electrode reaction chamber together, the sealing foaming adhesive is filled between the air electrode and the fixed air inlet diaphragm, the battery upper shell is provided with an air electrode lug electrically connected with the air electrode, the battery upper shell is provided with a zinc sheet electrode lug electrically connected with the zinc sheet electrode, a liquid injection hole is formed in one side of the battery upper shell, a liquid discharge hole is formed in one side of the battery lower shell, and a buckle sliding groove is formed in the lower side of the battery lower shell.

Furthermore, the battery shell, the fixed air inlet partition plate and the diaphragm frame are made of organic glass or polytetrafluoroethylene materials.

Further, the air electrode adopts a stainless steel mesh with the surface coated with the catalyst with ORR performance, and the mesh number of the stainless steel mesh is 100-500.

Further, the sealing foaming glue is a polyurethane material.

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

the air electrode, the zinc sheet electrode and the diaphragm are fixed inside the battery shell in a sandwich intercalation mode, so that the battery use efficiency is improved, and the structure of the rechargeable zinc-air battery is optimized; the outside side of battery case is equipped with notes liquid hole, outage, and aim at can in time change electrolyte, guarantees the performance of battery. The large air inlet passage area of the fixed air inlet partition plate can keep air to circulate in the battery, and the air inlet partition plate plays roles in ventilation, heat dissipation, water prevention and protection.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention.

Fig. 1 is a schematic view of the overall structure of a novel rechargeable zinc-air battery according to the present invention;

fig. 2 is an exploded view of a battery case structure of a novel rechargeable zinc-air battery according to the present invention;

fig. 3 is a schematic structural distribution diagram of an air electrode, a zinc sheet electrode, a diaphragm and sealing foam of a novel rechargeable zinc-air battery provided by the invention.

In the figure: the battery comprises a battery body 1, a battery shell 2, a battery lower shell 3, a battery upper shell 4, a fixed air inlet clapboard 5, an air electrode 6, a zinc sheet electrode 7, a zinc sheet fixed groove 8, a diaphragm 9, a diaphragm frame 10, an air electrode tab 11, a zinc sheet electrode tab 12, a sealing foaming adhesive 13, a liquid injection hole 14, a liquid discharge hole 15 and a buckle sliding groove 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a novel rechargeable zinc-air battery comprises a battery body 1, wherein the battery body 1 is composed of a battery shell 2, an air electrode 6, a zinc sheet electrode 7 and a diaphragm 9, the air electrode 6, the zinc sheet electrode 7 and the diaphragm 9 are fixed inside the battery shell 2 in a sandwich intercalation manner, and the battery shell 2 comprises a battery lower shell 3 and a battery upper shell 4;

the inner side of the battery lower shell 3 is provided with a zinc sheet fixing groove 8 matched with the lower side of a zinc sheet electrode 7, a diaphragm 9 is fixed in a diaphragm frame 10, the diaphragm frame 10 is bonded between an air electrode 6 and the zinc sheet electrode 7 through a sealing foaming adhesive 13 and forms a positive-negative reaction chamber together, the air electrode 6 and the fixed air inlet partition plate 5 are filled with the sealing foaming adhesive 13, the battery upper shell 4 is provided with an air electrode lug 11 electrically connected with the air electrode 6, and the battery upper shell 4 is provided with a zinc sheet electrode lug 12 electrically connected with the zinc sheet electrode 7.

The upper battery case 4 is provided at one side thereof with a liquid injection hole 14 for injecting a new electrolyte, and the lower battery case 3 is provided at one side thereof with a liquid discharge hole 15 for discharging an old electrolyte.

The buckle spout 16 is equipped with to the side below of battery inferior valve 3 for the fixed battery position when rechargeable zinc air battery cell assembles the module can realize convenient installation and dismantle battery cell.

The battery shell 2, the fixed air inlet partition plate 5 and the diaphragm frame 10 are made of organic glass or polytetrafluoroethylene materials.

The air electrode 6 uses a stainless steel mesh coated with a catalyst having ORR performance, and the mesh number of the stainless steel mesh is 100-500.

The sealing foaming glue 13 is made of polyurethane materials.

As shown in fig. 3, the novel rechargeable zinc-air battery of the present invention has two air electrodes 6, and a novel rechargeable zinc-air battery forms two positive and negative electrode reaction chambers, so as to improve the reaction efficiency of the zinc sheet electrode 7.

The air electrode 6, the zinc sheet electrode 7 and the diaphragm 9 are fixed in the battery shell 2 in a sandwich intercalation mode, and the diaphragm 9 and the diaphragm frame 10 separate the air electrode 6 and the zinc sheet electrode 7.

The area of an air inlet channel of the fixed air inlet clapboard 5 accounts for 70-80% of the area of the air electrode 6 outside the novel rechargeable zinc-air battery, and the novel rechargeable zinc-air battery plays roles in ventilation, heat dissipation, water prevention and protection.

The novel rechargeable zinc-air battery is provided with a liquid injection hole 14 and a liquid discharge hole 15, and has the effects of convenience and quick replacement of electrolyte.

The novel rechargeable zinc-air battery is outside, and the side of battery inferior valve 3 is equipped with buckle spout 16 and plays the effect of effective fixed, be convenient for installation and dismantlement in rechargeable zinc-air battery unit assembles the module.

The working principle and the working process of the invention are as follows: the zinc-air battery generates electric energy through the chemical reaction of the cathode active material in the electrolyte and the oxygen in the air of the anode active material, and realizes the discharge of the battery. The negative electrode deposits metal zinc by receiving the charge of an external charging device, and the air diffusion electrode of the positive electrode releases oxygen, so that the battery is charged.

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.