CN217158275U

CN217158275U - High-capacity high-rate battery

Info

Publication number: CN217158275U
Application number: CN202220831036.4U
Authority: CN
Inventors: 管耀新; 覃小梅; 何飞; 夏富强; 丁文杰; 赖文龙
Original assignee: Meizhou Bofuneng Technology Co ltd
Current assignee: Meizhou Bofuneng Technology Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-09
Anticipated expiration: 2032-04-12

Abstract

The utility model discloses a high capacity multiplying power battery, which comprises a housin, the casing is close to the inboard of top and installs the block sealing washer, the block top cap is installed to the inboard of block sealing washer, wherein, the below of top cap is provided with the CID, the CID passes through the safety valve piece and installs the inboard at the block sealing washer, the below of CID is provided with the ventilating board, the bleeder vent has been seted up on the ventilating board, the casing is close to the internally mounted of ventilating board below has the gasket. The utility model discloses, the positive plate made through high nickel system material and the negative pole piece that artificial graphite and natural graphite complex were made, capacity and the multiplying power that can effectual improvement battery to reduce the internal resistance through 2 negative pole ears, and support big multiplying power to discharge, make reaching 3.0 of battery Ah, long-time multiplying power 15A that continuously discharges, and the multiplying power that discharges in the twinkling of an eye can reach 20A, make the battery can have the performance of high capacity big multiplying power.

Description

High-capacity high-rate battery

Technical Field

The utility model relates to a battery technology field specifically is a high capacity big multiplying power battery.

Background

A battery refers to a device that converts chemical energy into electrical energy in a portion of the space of a cup, tank, or other container or composite container that holds an electrolyte solution and metal electrodes to produce an electrical current.

Although the types and the number of the existing batteries are very large, the existing batteries still have certain problems and bring certain inconvenience to the use of the batteries.

The requirements of the existing battery on the performance of lithium ions are continuously increased, particularly the requirements on the rate capability and the high-capacity product of the lithium ion battery are met, the capacity of the existing battery is about 2.5Ah generally, the discharge rate is within 20A and cannot reach 20A, the capacity is low, and the discharge rate is small, so that the high-capacity and high-rate battery is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high capacity big multiplying power battery has solved current battery and has required continuous increase to lithium ion's performance, especially to lithium ion battery's multiplying power performance and high capacity product's demand, and current battery universal capacity is about 2.5Ah, and within 20A of the multiplying power that discharges, can't reach 20A, the lower and less problem of multiplying power that discharges of capacity.

In order to achieve the above purpose, the utility model provides a following technical scheme: a high-capacity high-rate battery comprises a shell, a cap sealing ring is arranged on the inner side of the shell close to the upper part, a cap top cover is arranged on the inner side of the cap sealing ring, wherein,

a CID is arranged below the top cover, the CID is mounted on the inner side of the cap sealing ring through a safety valve plate, a vent plate is arranged below the CID, vent holes are formed in the vent plate, and a gasket is mounted inside the shell close to the lower side of the vent plate;

the casing is close to the internally mounted of gasket below and has positive plate and negative pole piece, positive plate and negative pole piece are kept apart by the diaphragm, positive plate one side is connected with the negative pole ear, ventilative board is connected with the negative pole piece through positive ear.

Preferably, the positive electrode sheet is made of a high nickel material.

Preferably, the negative electrode sheet is made of artificial graphite and natural graphite through compounding.

Preferably, the number of the negative electrode tabs is two, and the negative electrode tabs are respectively connected with the positive electrode plates on the inner side and the outer side.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses, the positive plate made through high nickel system material and the negative pole piece that artificial graphite and natural graphite complex were made, capacity and the multiplying power that can effectual improvement battery to reduce the internal resistance through 2 negative pole ears, and support big multiplying power to discharge, make reaching 3.0 of battery Ah, long-time multiplying power 15A that continuously discharges, and the multiplying power that discharges in the twinkling of an eye can reach 20A, make the battery can have the performance of high capacity big multiplying power.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of a partial enlarged structure at A in FIG. 1 according to the present invention;

fig. 3 is a schematic view of a part of the enlarged structure at B in fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a cap sealing ring; 3. a cap top cover; 4. CID; 5. a safety valve plate; 6. a gas permeable plate; 7. air holes are formed; 8. a gasket; 9. a positive plate; 10. a negative plate; 11. a diaphragm; 12. a negative tab; 13. and a positive tab.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example (b):

referring to fig. 1 to 3, the present invention provides a technical solution: a high-capacity high-rate battery comprises a shell 1, a cap sealing ring 2 is arranged on the inner side of the shell 1 close to the upper part, a cap top cover 3 is arranged on the inner side of the cap sealing ring 2, wherein,

a CID4 is arranged below the top cover 3, a CID4 is arranged on the inner side of the cap sealing ring 2 through a safety valve plate 5, a vent plate 6 is arranged below the CID4, a vent hole 7 is formed in the vent plate 6, and a gasket 8 is arranged inside the shell 1 close to the lower side of the vent plate 6;

the inside of casing 1 near gasket 8 below installs positive plate 9 and negative pole piece 10, and positive plate 9 is kept apart by diaphragm 11 with negative pole piece 10, and positive plate 9 one side is connected with negative pole ear 12, and ventilative board 6 is connected with negative pole piece 10 through positive ear 13.

Referring to fig. 1 and 3, the positive electrode sheet 9 is made of a high-nickel 811 material, the high-nickel system material has a high-capacity long-cycle characteristic, and the positive electrode sheet 9 can have the high-capacity long-cycle characteristic, the negative electrode sheet 10 is made of artificial graphite and natural graphite in a composite manner, the artificial graphite has advantages of long cycle and high rate, the natural graphite has advantages of high capacity, and the advantages of long cycle and high rate of the negative electrode sheet 10 can be exerted after the composite.

Referring to fig. 1, two negative electrode tabs 12 are provided, the negative electrode tabs 12 are respectively connected to the positive electrode plates 9 on the inner side and the outer side, and 2 negative electrode tabs 12 are adopted, so that the internal resistance can be effectively reduced, and the high-rate discharge can be supported, and the negative electrode tabs 12 are made of a copper-nickel alloy material, and the copper-nickel alloy material has a strong electrical conductivity and a rapid heat dissipation function.

The working principle is as follows: this high capacity big multiplying power battery, positive plate 9 made through high nickel system material and the negative pole piece 10 that artificial graphite and natural graphite complex were made, can effectual improvement battery capacity and multiplying power, and reduce the internal resistance through 2 negative pole ears 12, and support big multiplying power to discharge, make reaching 3.0Ah of battery, long-time lasting discharge multiplying power 15A, and the multiplying power that discharges in the twinkling of an eye can reach 20A, make the battery can have the performance of high capacity big multiplying power, when the battery short circuit, can produce 7 promotion CID4 rebound of bleeder vent through ventilative board 6, make CID4 and 5 disconnect-type of safety valve block, can make the battery directly cut off the power supply, avoid taking place accident.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high capacity high rate battery, includes casing (1), its characterized in that: a cap sealing ring (2) is arranged on the inner side of the shell (1) close to the upper part, a cap top cover (3) is arranged on the inner side of the cap sealing ring (2), wherein,

a CID (4) is arranged below the top cover (3), the CID (4) is installed on the inner side of the cap sealing ring (2) through a safety valve plate (5), a vent plate (6) is arranged below the CID (4), vent holes (7) are formed in the vent plate (6), and a gasket (8) is installed inside the shell (1) close to the lower side of the vent plate (6);

the novel lithium battery is characterized in that a positive plate (9) and a negative plate (10) are arranged inside the shell (1) close to the lower side of the gasket (8), the positive plate (9) and the negative plate (10) are isolated by a diaphragm (11), one side of the positive plate (9) is connected with a negative lug (12), and the ventilation plate (6) is connected with the negative plate (10) through a positive lug (13).

2. The high-capacity high-rate battery according to claim 1, wherein: the positive plate (9) is made of high nickel 811 material.

3. The high-capacity high-rate battery according to claim 1, wherein: the negative plate (10) is made of artificial graphite and natural graphite through compounding.

4. The high-capacity high-rate battery according to claim 1, wherein: the number of the negative electrode tabs (12) is two, and the negative electrode tabs (12) are respectively connected with the positive electrode plates (9) on the inner side and the outer side.