CN220420820U - Metal air battery - Google Patents

Abstract

The utility model discloses a metal-air battery, which belongs to the field of batteries and comprises a battery body, wherein the battery body comprises a first side surface, a through hole is formed in the first side surface, a metal electrode is arranged in the battery body, and a lug assembly matched with the through hole is arranged on the metal electrode. The metal electrode sets up inside the battery body, and the tab subassembly of metal electrode wears out from the through-hole of battery body first side, as the tab of battery, and in the use of battery, the tab subassembly rarely has the condition of installing and removing at first side, so can effectively improve metal-air battery cell performance, and when the battery body established ties simultaneously, positive pole and negative pole between the adjacent battery body are close to, and the wiring is convenient simple, compact structure.

Description

Metal air battery

Technical Field

The present utility model relates to a battery, and more particularly, to a metal-air battery.

Background

After the metal electrode of the existing metal-air battery is arranged in the battery shell, the lug of the metal electrode penetrates out of the battery cover and is sealed by the sealing ring, after the battery cover is disassembled and assembled for many times, the sealing performance of the sealing ring is reduced, the lug is easy to leak, the battery performance is influenced, and the specific energy of the battery is reduced.

For example: chinese patent publication No. CN112640197a, publication No. 2021, 4, 9, entitled metal-air battery module, which discloses a metal-air battery comprising a unit assembly formed by connecting units of a plurality of batteries by a first connection member and held by a sheet member, with tabs of metal electrodes thereof penetrating from the upper portion through a battery cover; according to the scheme, connection of a plurality of battery elements can be simplified, but after the metal electrode lugs and the battery cover are used and disassembled for a long time, the tightness is reduced, and the battery performance is affected.

Disclosure of Invention

The utility model solves the problem of tightness between the metal electrode lug and the battery of the traditional metal-air battery, and provides the metal-air battery, wherein the metal-air battery separates the metal electrode lug from the battery cover, so that the sealing performance of the battery cover is prevented from being reduced at the lug parts caused by repeated disassembly and assembly.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a metal-air battery, includes the battery body, the battery body includes the first side, first side is equipped with the through-hole, the inside metal electrode that is equipped with of battery body, metal electrode be equipped with the utmost point ear subassembly of through-hole looks adaptation. The metal electrode is arranged in the battery body, but the lug component of the metal electrode penetrates out of the through hole on the first side face of the battery body to serve as the lug of the battery, and the lug component rarely has the condition of assembly and disassembly on the first side face in the use process of the battery, so that the tightness between the lug component and the battery body is not degraded, and the battery performance of the metal-air battery is effectively improved.

Preferably, the tab assembly includes a first connector fixedly connected to the metal electrode. The electrode lug assembly is connected with the metal electrode to play a role of conducting electricity, the first connector of the electrode lug assembly is fixedly connected with the metal electrode, the specific mode is welding, the stable connection of the first connector and the metal electrode is ensured, and the condition of breaking the battery is prevented.

Preferably, the tab assembly further comprises a second connector, the second connector comprises a slot and a tab, the slot is matched with the first connector, and the tab is matched with the through hole. The second connector is provided with a slot, the back of the slot is connected with the tab, the slot is connected with the first connector in a clamping mode and used for communicating the metal electrode and the tab, and the tab can penetrate out of a through hole on the first side face of the battery body and is used for being externally connected with the battery body.

Preferably, the tab is provided with a connection hole, and the connection hole is located at the outside of the battery body. The connecting hole on the tab is mainly used for externally connecting a wire or a load, the wire and the load can be fixed on the connecting hole, on one hand, the circuit stability can be improved, on the other hand, the connecting hole is not easy to damage, the connecting hole can be used for multiple times, when the wire or the load needs to be replaced, the wire or the load only needs to be removed, the integrity of the tab is reserved, and the service life of the battery is prolonged.

Preferably, the slot is in a dovetail structure, and the dovetail structure of the slot is arranged upwards. The slot is a dovetail clamp structure and is mainly used for clamping the first connector to ensure the conductivity. The dovetail structure of the slot is upwards arranged, and the opening of the dovetail structure of the slot is larger and gradually becomes smaller from the inlet to the inside, so that the slot has a guiding function; after the dovetail structure of the slot is arranged upwards, only the metal electrode and the welded first connector are required to be placed into the battery body, and the first connector can be automatically clamped into the slot along the dovetail structure, so that tight fit is realized, and the installation process is greatly reduced.

Preferably, the tab is connected with the through hole by using sealant. Adopt the sealing glue adhesion between utmost point ear and the through-hole, realize sealed effect, prevent that the weeping from reducing battery performance.

Preferably, the battery body further comprises an air electrode and a second side surface, the second side surface and the first side surface are opposite, and wires led out from the air electrode are arranged on two sides of the first side surface. The air electrode is positioned on the surface of the battery body, is directly contacted with air, and two leads are led out from the air electrode at the opposite side of the first side surface, and the air electrode and the metal electrode of the battery are positioned on the side surface of the battery, so that the wiring between the air electrode and the metal electrode is facilitated.

Preferably, the number of the battery bodies is several, and two adjacent battery bodies are arranged reversely. The plurality of battery bodies are used for being connected in series, and two adjacent battery bodies are arranged reversely, so that the metal electrode of the former battery body is close to the air electrode of the latter battery body, and the wiring length is reduced.

Preferably, the wires between the two adjacent battery bodies are connected with the connecting holes of the lugs. The lead and the tab are connected to connect adjacent battery bodies in series, so that the capacity of the metal-air battery is increased.

Preferably, the battery cover is detachably connected with the opening of the battery body. The battery cover is detachably connected, so that the replacement and maintenance treatment of the internal structure of the battery are facilitated.

Compared with the prior art, the utility model has the beneficial effects that: (1) The influence of the disassembly of the battery cover on the sealability of the tab is avoided, and the performance of the battery is improved; (2) When the batteries are connected in series, the output capacity of the batteries is increased, the structure is more compact, and the length of the lead is reduced; (3) the wiring position is stable and firm, and the occurrence of open circuit can be prevented; (4) simple structure, convenient to use, the practicality is higher.

Drawings

Fig. 1 is an isometric view of a battery body of the present utility model.

Fig. 2 is a side view and a cross-sectional view of the battery body of the present utility model.

Fig. 3 is an exploded view of the battery body of the present utility model.

Fig. 4 is a schematic diagram showing the assembly of the battery body according to the present utility model.

In the figure: 1. the battery comprises a battery body, a first side surface, a second side surface, a through hole, a metal electrode, a lug assembly, a first connector, a slot, a second connector, a lug, a connecting hole, an air electrode, a wire and a battery cover.

Detailed Description

The technical scheme of the utility model is further specifically described below through specific embodiments and with reference to the accompanying drawings.

Example 1: a metal-air battery as shown in fig. 1 to 3, comprising a battery body 1 and a tab assembly 6, the battery body 1 comprising a first side 2 and a second side 3, the first side 2 and the second side 3 being opposite; the tab assembly 6 comprises a first connector 7 and a second connector 9, the first side face 2 is provided with a rectangular through hole 4, the second connector 9 is fixed in the through hole 4, the second connector 9 comprises a slot 8 and a tab 10, the tab 10 is fixed at the back of the slot 8, the tab 10 passes through the through hole 4 and is positioned outside the battery body 1, the slot 8 is positioned inside the battery body 1, the tab 10 is used as the positive electrode of the battery, the tab 10 is provided with a connecting hole 11 for connecting a lead 13 or an external load, the connecting hole 11 is not easy to damage, the tab is used repeatedly, and when the lead 13 or the load needs to be replaced, the lead 13 or the load only needs to be removed, the integrity of the tab 10 is reserved, and the service life of the battery is prolonged. In order to ensure the tightness of the battery and prevent leakage of the battery, sealing glue is adopted between the tab 10 and the through hole 4 for sealing treatment. The battery body 1 is internally provided with the metal electrode 5, the metal electrode 5 is of a plate type structure matched with the internal space of the battery body 1, a first connector 7 is welded at a position of the metal electrode 5 corresponding to the through hole 4, the first connector 7 is matched with a slot 8 of a second connector 9, the first connector 7 can be clamped into the slot 8, the first connector 7 is of a square block structure, the slot 8 of the second connector 9 is of a dovetail structure, the dovetail structure is upwards arranged, the opening size of the dovetail structure is larger than the longitudinal size of the first connector 7, and the slot 8 of the dovetail structure provides a guiding function for the first connector 7, so that the battery body is convenient to assemble; when the metal electrode 5 is put into the battery body 1, the metal electrode enters from a battery port and keeps the first connector 7 corresponding to the slot 8, when the first connector 7 enters into the slot 8, the dovetail-shaped structure guides the first connector 7, finally clamps the first connector 7, and the first connector 7 has a certain thickness, so that the clamping force of the slot 8 to the first connector 7 can be increased, and disconnection or poor contact caused by disconnection can be prevented. Compared with the traditional method that the lug 10 is arranged at the battery cover 14, the problem that the tightness of the lug 10 is reduced due to repeated disassembly and assembly of the battery cover 14 is avoided, and the assembly process is simplified.

Two air electrodes 12 are respectively arranged on two planes between the first side surface 2 and the second side surface 3 of the battery body 1, a wire 13 is arranged on one side of the air electrode 12 close to the second side surface 3, and the wires 13 are respectively led out from the two air electrodes 12 and are combined together to serve as a negative electrode of the battery.

The metal-air battery further comprises a battery cover 14, wherein the battery cover 14 is detachably connected with the opening of the battery body 1, and a plurality of sealing strips are arranged on the opening of the battery body 1, so that on one hand, the sealing effect inside the battery body 1 can be ensured, and on the other hand, the battery cover 14 can be clamped tightly, and the battery cover 14 is prevented from loosening.

Example 2: a metal-air battery as shown in fig. 4 differs from example 1 only in that a plurality of battery bodies 1 of example 1 are employed in series, a battery having a larger capacity is formed, and the output capacity of the battery is increased.

When the plurality of battery bodies 1 are arranged, two adjacent battery bodies 1 are arranged in a reverse mode, namely, the positive electrode end of the front battery body 1 corresponds to the negative electrode end of the rear battery body 1, namely, the tab 10 of the front battery body 1 corresponds to the lead 13 of the rear battery body 1, and due to the fact that the thickness of the battery body 1 is smaller, two adjacent battery bodies 1 can be connected in series only by adopting the shorter lead 13, the lead 13 is directly connected with the connecting hole 11 of the tab 10, the operation of connecting the battery bodies 1 in series is greatly simplified, and the battery pack is compact and attractive.

Claims (8)

1. The metal-air battery is characterized by comprising a battery body, wherein the battery body comprises a first side surface, a through hole is formed in the first side surface, a metal electrode is arranged in the battery body, and a lug assembly matched with the through hole is arranged on the metal electrode; the tab assembly comprises a first connector which is fixedly connected with the metal electrode; the tab assembly further comprises a second connector, the second connector comprises a slot and a tab, the slot is matched with the first connector, and the tab is matched with the through hole.

2. A metal-air battery according to claim 1, wherein the tab is provided with a connection hole, and the connection hole is located outside the battery body.

3. A metal-air cell according to claim 1, wherein the slot is of dovetail configuration and the dovetail configuration of the slot is disposed upwardly.

4. The metal-air cell of claim 2, wherein the tab is connected to the through hole with a sealant.

5. The metal-air battery of claim 4, wherein the battery body further comprises an air electrode and a second side, the second side being opposite the first side, and wires leading from the air electrode being disposed on both sides of the first side.

6. A metal-air battery according to claim 5, wherein the number of battery bodies is several, and two adjacent battery bodies are arranged in opposite directions.

7. A metal-air cell according to claim 6, wherein the leads between the adjacent two cell bodies are connected to the connection holes of the tabs.

8. A metal-air cell according to any of claims 1-7, further comprising a battery cover removably coupled to the opening of the battery body.