阅读说明：本技术 一种多芯金属空气电池 (Multi-core metal-air battery ) 是由 张树雄 王同新 冯光 张云帆 洪磊 于 2018-06-27 设计创作，主要内容包括：一种多芯金属空气电池,电池壳体具有两个对称的供液体流动的腔体,每个腔体内放置一个合金板,每个合金板的前后两侧各设置一个电极夹板,空气电极安装在电极夹板上,电极夹板上有伸出的电极耳,电极耳通过与连接电极相连来实现对空气电极上电流的引出；在封口时,预紧活结螺栓和U形螺栓上面的紧固件实现电池上口的密封；封盖的底端设有用于固定合金板的四个支耳突起,两个合金板以及对应的两条电极通过极柱螺钉固定在封盖上,从而实现电流自合金板从腔体内部引出到电极上；在电池壳体的上部和下部分别设有上部水口、下部水口。(A multi-core metal air battery, the battery shell has two symmetrical cavities for liquid to flow, an alloy plate is placed in each cavity, an electrode clamping plate is respectively arranged at the front side and the rear side of each alloy plate, an air electrode is installed on the electrode clamping plates, electrode lugs extending out are arranged on the electrode clamping plates, and the electrode lugs are connected with connecting electrodes to realize the leading-out of the current on the air electrode; when sealing, the slipknot bolt and the fastener on the U-shaped bolt are pre-tightened to realize the sealing of the upper opening of the battery; the bottom end of the sealing cover is provided with four lug bulges used for fixing the alloy plates, and the two alloy plates and the two corresponding electrodes are fixed on the sealing cover through pole screws, so that current is led out from the alloy plates to the electrodes from the inside of the cavity; an upper water port and a lower water port are respectively arranged at the upper part and the lower part of the battery shell.)

1. A multi-core metal-air battery is characterized in that: the multi-core metal-air battery comprises a battery shell (1), an alloy plate (13), an electrode clamping plate (12) and a sealing cover (8);

the battery shell is provided with two symmetrical cavities for liquid to flow, an alloy plate is placed in each cavity, an electrode clamping plate is arranged on each of the front side and the rear side of each alloy plate, each electrode clamping plate is provided with a concave hole, a positioning pin (g) is arranged at the meshing position of the battery shell and the electrode clamping plate and matched with the concave hole, an air electrode (11) is installed on the electrode clamping plate, an extended electrode lug is arranged on the electrode clamping plate, and the electrode lug is connected with a connecting electrode (10) to realize the leading-out of current on the air electrode;

five fixing through holes (c) are respectively arranged at the upper part and the lower part of the battery shell, a slipknot bolt (9) is hung on the left and the right fixing through holes at the upper part through a screw rod, a U-shaped bolt (7) is hung on the central fixing through hole at the upper part through a screw rod, and the screw rods pass through the rest fixing through holes, so that the grouping and the fixing of the batteries are realized;

an annular groove is formed in the sealing cover, a sealing ring is arranged in the groove, an annular protrusion is arranged at the opening of the battery shell, and when the sealing is carried out, the slipknot bolt and a fastener on the U-shaped bolt are pre-tightened to realize the sealing of the upper opening of the battery; the bottom end of the sealing cover is provided with four lug bulges used for fixing the alloy plates, and the two alloy plates and the two corresponding electrodes (6) are fixed on the sealing cover through pole screws (5), so that current is led out from the alloy plates to the electrodes from the inside of the cavity; under the condition that the battery monomers are connected in series to form a group, the fastening screw (2) connects the electrode lugs extending out of the front electrode clamping plate and the rear electrode clamping plate with the grouped connecting electrodes (10) of the next group, and then the electrode lugs are connected with the electrodes (6) of the battery monomers of the next group through the embedded nuts (4) and the fastening screw, so that the series connection operation among the monomers is realized; an upper water port (i) and a lower water port (h) are respectively arranged at the upper part and the lower part of the battery shell.

2. The multi-core metal-air cell as claimed in claim 1, wherein: the electrode clamping plate is welded or adhered to the battery shell.

3. The multi-core metal-air cell as claimed in claim 2, wherein: the upper water gap is at both sides of the upper part of the battery case, and the lower water gap is at the center of the lower part of the battery case.

4. The multi-core metal-air cell as claimed in claim 3, wherein: the lower part of the cover has an upper slope (j) inclined downward from one side to the center, the lower part of the battery case has a lower slope (k) inclined downward from one side to the center, the upper slope and the lower slope are parallel and form a parallelogram with both side walls of the battery case, and the upper water gap and the lower water gap are at opposite corners of the parallelogram.

5. The multi-core metal-air cell as claimed in claim 4, wherein: a vent (e) is arranged between the upper nozzles.

6. The multi-core metal-air cell as claimed in claim 5, wherein: grid-shaped protrusions (d) are arranged on the blank areas on the two sides of the battery shell.

7. The multi-core metal-air cell as claimed in claim 6, wherein: a support protrusion (b) is disposed on the electrode clamping plate.

8. The multi-core metal-air cell as claimed in claim 7, wherein: and clamping grooves (a) for fixing the multi-core metal-air battery are formed in two sides of the bottom of the battery shell.

9. The multiple core metal air cell as claimed in claim 8, wherein: triangular reinforcing ribs (f) are arranged on two sides of the battery shell.

10. The multi-core metal-air cell as claimed in claim 9, wherein: concave-convex annular grooves (m) are respectively arranged on two sides of the upper water gap (i), the vent hole (e) and the lower water gap (h), sealing rings (3) are placed in the concave-convex annular grooves, when batteries are grouped, the batteries are fixed into a group by pre-tightening a screw rod penetrating through the fixing through hole (c), and meanwhile, the sealing rings (3) at meshing positions among the batteries are pressed tightly to realize sealing among the batteries.

Technical Field

The invention relates to the technical field of new energy batteries, in particular to a multi-core metal air battery which can be widely applied to the fields of new energy automobiles, mobile base stations, data centers, security and disaster relief projects and the like.

Background

A metal-air battery (i.e., a fuel metal-air battery) is a chemical power source that generates electrical energy by a chemical reaction in the presence of a catalyst, using oxygen in the air as a positive active material, a metal as a negative active material, and a conductive solution (e.g., water) as an electrolyte.

The metal-air battery has many unique advantages, and the fuel is metal materials, such as aluminum, magnesium and zinc, and metals such as lithium and sodium; because the reserves of aluminum, magnesium and zinc are abundant, the metal-air battery resource can be supplied in a sufficient amount. The positive active material is oxygen in the air, the battery does not need to be carried, and the energy carried by the battery is determined by the amount of the negative metal, so that the actual specific energy of the battery can reach more than 350Wh/kg (100 Wh/kg of the current lithium ion battery), and the battery has great performance advantages. The product after reaction can be used for utilizing clean energy such as wind energy, solar energy, hydroenergy and the like or electric energy in areas with abundant electric energy to electrolyze aluminum oxide (or magnesium hydroxide) into metal again, and then the metal-air battery is mounted again to discharge so as to drive the electric vehicle. Therefore, centralized large-scale production can be realized, pollution can be reduced, emission is reduced, centralized power supply and decentralized use can be realized, electric energy with lower cost is transferred to a place with high electric energy cost for use, and electric energy is transferred from a place where the energy is easy to obtain to a place where the energy is difficult to obtain for use. Can really realize the brand-new automobile life without pollution and zero emission. The pollution-free and zero-emission green energy recycling is realized in the process, and the metal air battery is increasingly paid attention in the world.

However, most of the metal-air batteries are single-cell products, and have many process and production limitations in the production and manufacturing process, and low specific energy and product reliability.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a multi-core metal-air battery, which is provided with a metal-air battery monomer with two battery cores, improves the specific energy and the discharge reliability of a product, and further improves the technical level of the production process of the battery, and the applicability and the expansibility of the product.

The technical scheme of the invention is as follows: the multi-core metal air battery comprises a battery shell (1), an alloy plate (13), an electrode clamping plate (12) and a sealing cover (8);

the battery shell is provided with two symmetrical cavities for liquid to flow, an alloy plate is placed in each cavity, an electrode clamping plate is arranged on each of the front side and the rear side of each alloy plate, each electrode clamping plate is provided with a concave hole, a positioning pin (g) is arranged at the meshing position of the battery shell and the electrode clamping plate and matched with the concave hole, an air electrode (11) is installed on the electrode clamping plate, an extended electrode lug is arranged on the electrode clamping plate, and the electrode lug is connected with a connecting electrode (10) to realize the leading-out of current on the air electrode;

five fixing through holes (c) are respectively arranged at the upper part and the lower part of the battery shell, a slipknot bolt (9) is hung on the left and the right fixing through holes at the upper part through a screw rod, a U-shaped bolt (7) is hung on the central fixing through hole at the upper part through a screw rod, and the screw rods pass through the rest fixing through holes, so that the grouping and the fixing of the batteries are realized;

an annular groove is formed in the sealing cover, a sealing ring is arranged in the groove, an annular protrusion is arranged at the opening of the battery shell, and when the sealing is carried out, the slipknot bolt and a fastener on the U-shaped bolt are pre-tightened to realize the sealing of the upper opening of the battery; the bottom end of the sealing cover is provided with four lug bulges used for fixing the alloy plates, and the two alloy plates and the two corresponding electrodes (6) are fixed on the sealing cover through pole screws (5), so that current is led out from the alloy plates to the electrodes from the inside of the cavity; under the condition that the battery monomers are connected in series to form a group, the fastening screw (2) connects the electrode lugs extending out of the front electrode clamping plate and the rear electrode clamping plate with the grouped connecting electrodes (10) of the next group, and then the electrode lugs are connected with the electrodes (6) of the battery monomers of the next group through the embedded nuts (4) and the fastening screw, so that the series connection operation among the monomers is realized;

an upper water port (i) and a lower water port (h) are respectively arranged at the upper part and the lower part of the battery shell.

Because the battery shell is provided with two symmetrical cavities for liquid to flow, an alloy plate is placed in each cavity, the front side and the rear side of each alloy plate are respectively provided with an electrode clamping plate, the positioning pins are matched with the concave holes, the air electrode is arranged on the electrode clamping plates, the electrode clamping plates are provided with extended electrode lugs, the electrode lugs are connected with the connecting electrodes to realize the extraction of current on the air electrode, so that two cavities capable of liquid flow are formed in the battery shell, the bottom end of the seal cover is provided with four lug bulges for fixing the alloy plates, the two alloy plates and the corresponding two electrodes are fixed on the seal cover through pole screws, thereby improving the specific energy and the discharge reliability of the product, further improves the technical level of the production process of the battery, and the applicability and expansibility of the product.

Drawings

Fig. 1 is a schematic view of a disassembled structure of a multi-core metal-air battery according to the present invention.

Fig. 2 is a schematic structural view of a multicore metal-air battery according to the present invention with an alloy plate and a cap drawn out.

Fig. 3 is a schematic structural diagram of a multi-core metal-air battery according to the present invention, wherein an alloy plate is exposed from one cell.

Fig. 4 is a schematic view of a multi-core metal-air battery according to the present invention after a plurality of sets are assembled.

Detailed Description

As shown in fig. 1 and 3, the multi-core metal-air battery comprises a battery shell 1, an alloy plate 13, an electrode clamping plate 12 and a sealing cover 8;

the battery shell is provided with two symmetrical cavities for liquid to flow, an alloy plate is placed in each cavity, the front side and the rear side of each alloy plate are respectively provided with an electrode clamping plate, each electrode clamping plate is provided with a concave hole, a positioning pin g is arranged at the meshing position of the battery shell and the electrode clamping plate and matched with the concave hole, an air electrode 11 is arranged on the electrode clamping plate, an extended electrode lug is arranged on the electrode clamping plate, and the electrode lug is connected with a connecting electrode 10 to lead out the current on the air electrode;

five fixing through holes c are respectively arranged at the upper part and the lower part of the battery shell, slipknot bolts 9 are hung at the left and the right fixing through holes at the upper part, U-shaped bolts 7 are hung at the central fixing through holes at the upper part (the large-span upper opening sealing is realized through the U-shaped bolts), and the rest fixing through holes pass through screws, so that the grouping and the fixing of the batteries are realized;

an annular groove is formed in the sealing cover, a sealing ring is arranged in the groove, an annular protrusion is arranged at the opening of the battery shell, and when the sealing is carried out, the slipknot bolt and a fastener on the U-shaped bolt are pre-tightened to realize the sealing of the upper opening of the battery; four lug bulges for fixing the alloy plates are arranged at the bottom end of the sealing cover, and the two alloy plates and the two corresponding electrodes 6 are fixed on the sealing cover through pole screws 5, so that current is led out from the alloy plates to the electrodes from the inside of the cavity; under the condition that the battery monomers are connected in series to form a group, the fastening screw 2 connects the electrode lugs extending out of the front and rear electrode clamping plates with the connecting electrodes 10 of the next group after the group, and then the electrode lugs are connected with the electrodes 6 of the next group of battery monomers through the embedded nuts 4 and the fastening screw, so that the series connection operation among the monomers is realized;

an upper water port i and a lower water port h are respectively arranged at the upper part and the lower part of the battery shell.

Because the battery shell is provided with two symmetrical cavities for liquid to flow, an alloy plate is placed in each cavity, the front side and the rear side of each alloy plate are respectively provided with an electrode clamping plate, the positioning pins are matched with the concave holes, the air electrode is arranged on the electrode clamping plates, the electrode clamping plates are provided with extended electrode lugs, the electrode lugs are connected with the connecting electrodes to realize the extraction of current on the air electrode, so that two cavities capable of liquid flow are formed in the battery shell, the bottom end of the seal cover is provided with four lug bulges for fixing the alloy plates, the two alloy plates and the corresponding two electrodes are fixed on the seal cover through pole screws, thereby forming a metal-air battery monomer with two battery cores, improving the specific energy and the discharge reliability of the product, further improves the technical level of the production process of the battery, and the applicability and expansibility of the product.

Preferably, the electrode clamping plate is welded or bonded to the battery case. Other fastening means may of course be used. After the electrode clamping plate 12 is installed on the casing 1, the battery casing 1 is divided into two parts, so that two cavities capable of flowing liquid are formed in the battery casing 1.

Preferably, as shown in fig. 3, the upper water gap is at both sides of the upper portion of the battery case, and the lower water gap is at the center of the lower portion of the battery case. This enables the liquid to flow more smoothly.

Preferably, as shown in fig. 3, the lower portion of the cap cover has an upper slope j that is inclined downward from one side to the center, the lower portion of the battery case has a lower slope k that is inclined downward from one side to the center, the upper slope and the lower slope are parallel and form a parallelogram with both sidewalls of the battery case, and the upper and lower ports are at opposite corners of the parallelogram. This design can let liquid flow more evenly smooth and easy in the cavity inside. Of course, a parallelogram-like shape, or other shapes may be constructed.

Preferably, as shown in fig. 2, a vent e is arranged between the upper nozzles. The vent hole is used for exhausting gas in the battery, and the gas can reach the vent hole e through gaps between the sealing cover and two sides of the inner wall of the battery shell, so that the gas is exhausted.

Preferably, as shown in fig. 2, grid-like protrusions d are formed at both side blank regions of the battery case. The protrusion is used for increasing the surface area of the shell and improving the heat dissipation effect of the product.

Preferably, as shown in fig. 2, a support protrusion b is disposed on the electrode clamping plate. The supporting protrusions b are mainly used for supporting the unit cells after the cells are grouped.

Preferably, as shown in fig. 2, there are slots a for fixing the multicore metal-air battery on both sides of the bottom of the battery case. The clamping groove a can be matched with an external structure after batteries are grouped to be used for fixing the grouped battery pack.

Preferably, as shown in fig. 2, triangular reinforcing ribs f are provided at both sides of the battery case for improving the overall strength of the case.

Preferably, as shown in fig. 3, concave and convex annular grooves m are respectively formed at both sides of the upper nozzle i, the vent hole e and the lower nozzle h, and sealing rings 3 are placed therein, and when the batteries are grouped, the batteries are fixed as a group by pre-tightening a screw rod passing through the fixing through hole c, and simultaneously the sealing rings 3 at the meshing positions between the batteries are pressed to realize the sealing between the cells.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and all simple modifications, equivalent variations and modifications made to the above embodiment according to the technical spirit of the present invention still belong to the protection scope of the technical solution of the present invention.