CN2909547Y

CN2909547Y - Cylindrical portable sealed lead-acid storage battery

Info

Publication number: CN2909547Y
Application number: CNU2006201031703U
Authority: CN
Inventors: 章传宝
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-04-28
Filing date: 2006-04-28
Publication date: 2007-06-06
Anticipated expiration: 2016-04-28

Abstract

The utility model belongs to the technical field of batteries, in particular to a cylindrical portable sealed lead-acid storage battery; the lithium ion battery comprises a plastic cylinder, wherein a positive metal top cover and a negative metal base are connected with two ends of the cylinder, a positive electrode and a negative electrode are arranged in the cylinder, and the positive electrode and the negative electrode are arranged alternately; the cylindrical portable sealed lead-acid storage battery has the advantages of simple structure, sufficient energy, high output power, capability of being continuously used, capability of adapting to low-temperature environment and stable electrical property.

Description

Cylindrical portable sealed lead-acid storage battery

Technical Field

The utility model belongs to the technical field of the battery, especially, relate to a sealed lead acid battery of cylindrical portable.

Background

In the prior art, cylindrical portable sealed batteries mainly comprise alkaline zinc-manganese batteries and common zinc-manganese batteries Chi Liangchong, wherein the positive and negative electrodes of the batteries are made of manganese and zinc materials, the total annual production amount of the batteries in China is about 280 hundred million, and accounts for more than half of the global battery yield, 250 hundred million of the disposable batteries are used, the manganese dioxide material is adopted as the positive electrode of the disposable zinc-manganese, the mined discharge manganese ore resources in China are very limited and are difficult to meet the production requirements of the batteries, the metallic zinc used as a cathode material has strong market demand and excessively fast smelting capacity, so that the concentrate supply is seriously insufficient, the ascertained storage amount of the zinc ore resources in China and the estimation of the current mining speed can only be mined for about 18 years, and therefore, the zinc resources are also very limited; the disposable battery adopting the manganese-zinc metal material as the anode and the cathode of the battery has the defects of low working voltage, poor high rate performance, short continuous working time and service life, low material utilization rate and poor power supply performance when used in a low-temperature environment.

Disclosure of Invention

An object of the utility model is to provide a simple structure, energy are sufficient, output is high, can supply continuous use, can adapt to use in the low temperature environment, the stable cylindrical portable sealed lead acid battery of electrical property.

The purpose of the utility model is to adopt such technical solution to realize: the lithium ion battery comprises a plastic cylinder, wherein a positive metal top cover and a negative metal base are connected with two ends of the cylinder, a positive electrode and a negative electrode are arranged in the cylinder, and the positive electrode and the negative electrode are arranged alternately.

Compared with the prior art, because the positive electrode adopts tubulose positive electrode and edge rolling form positive electrode to constitute, the negative electrode is by the structure that the edge rolling form negative electrode is constituteed, and just, set up insulating composite membrane between the negative electrode, the edge rolling form is just, the negative electrode can be rolled up the alternate utmost point crowd combination of tubulose positive electrode, furthest has utilized the effective space, and adopt ventilative and store the insulating composite membrane that liquid is good as the electrolyte carrier, make battery inside have better gas recombination, reach extension product life's effect, and its compact structure, the leakproofness is good, sufficient energy, it is one of the ideal articles for use that replace traditional disposable portable battery.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention

FIG. 2 is a schematic view of a local structure of the present invention

FIG. 3 is a schematic view of the positive electrode structure of the present invention

FIG. 4 is a schematic view of the negative electrode structure of the present invention

Description of the reference numerals: 1-positive pole metal top cover, 2-air valve, 3-lead insert, 4-plastic upper cover, 5-cylinder, 6-negative pole, 7-diaphragm, 8-positive pole, 9-diaphragm, 10-negative pole, 11-diaphragm, 12-negative pole metal base, 13-lead insert, 14-plastic bottom, 15-negative pole lead, 16-tubular positive pole, 17-positive pole lead, 18-air outlet, 19-mesh fabric, 20-positive pole active material, 21-positive pole core, 22-positive pole grid, 23-positive pole active material, 24-negative pole grid, 25-negative pole active material.

Detailed Description

Referring to fig. 1 and 2: the utility model discloses a plastics barrel 5, connect anodal metal top cap 1 and negative pole metal base 12 at the both ends of barrel 5, be equipped with positive electrode and negative electrode in barrel 5, positive electrode and negative electrode alternate setting, the positive electrode comprises tubulose positive pole 16 and edge roll form positive pole 8, the negative electrode comprises edge roll form

negative electrode

6, 10, the positive electrode is linked together with anodal metal top cap 1, the negative electrode is linked together with negative pole metal base 12, be provided with

insulating compound diaphragm

7, 9, 11 between positive electrode and negative electrode, contain electrolyte in

insulating compound diaphragm

7, 9, 11; the two ends of the cylinder 5 are respectively provided with a plastic upper cover 4 and a plastic bottom 14, the anode metal top cover 1 is positioned on the upper side of the plastic upper cover 4, and the metal base 12 is positioned on the lower side of the plastic bottom 14; the plastic upper cover 4 is provided with an air hole 18 and an air valve 2, and the air valve 2 is matched with the air hole 18; the tubular electrode 16, the rolled positive electrode 8, the insulating

composite diaphragms

7, 9 and 11 and the rolled

negative electrodes

6 and 10 are wound into a pole group combination to achieve the effect of fully utilizing the effective space; the air valve 2 in the plastic upper cover 4 has the function of automatically opening and closing; the tubular electrode 16 and the rolling positive electrode 8 in the positive electrode are communicated with the metal top cover 1 through a positive electrode lead 17, the rolling

negative electrodes

6 and 10 are communicated with the metal base 12 through a negative electrode lead 15, and the sections of the rolling positive electrode 8 and the rolling

negative electrodes

6 and 10 are in an O shape with the head and the tail in contact, or can be rolled into a C shape with a certain gap between the head and the tail; a lead insert 13 is arranged in the plastic bottom 14, the lead insert 13 is matched with the negative lead 15, a lead insert 3 is arranged in the plastic upper cover 4, and the lead insert 3 is matched with the positive lead 17; the tubular electrode 16 is formed by combining a positive pole core 21, a positive pole active substance 20 and a non-metal mesh fabric 19, the positive pole active substance 20 is wrapped in the non-metal mesh fabric 19, and the positive pole core 21 is positioned in the center of the positive pole active substance 20. The rolled positive electrode 8 is composed of a positive electrode grid 22 and a positive electrode active material 23, the positive electrode active material 23 is coated and filled on two sides of the positive electrode grid 22, grids of the positive electrode grid 22 are located in the center of the positive electrode active material 23, the rolled

negative electrodes

6 and 10 are composed of a negative electrode grid 24 and a negative electrode active material 25, the negative electrode active material 25 is coated and filled on two sides of the negative electrode grid 24, and grids of the negative electrode grid 24 are located in the center of the negative electrode active material 25.

The utility model has compact structural design, adopts the combination form of the tubular pole core and the wound pole group, breaks through the difficulty of miniaturization of the lead-acid battery, and can also be provided with a gas-liquid separation device at the air outlet 8 to further ensure the safe discharge of gas; thereby providing favorable conditions for enlarging the application range of the lead-acid battery and facilitating the work and life of people.

Claims

1. The cylindrical portable sealed lead-acid storage battery comprises a plastic cylinder, wherein a positive metal top cover and a negative metal base are connected to two ends of the cylinder, a positive electrode and a negative electrode are arranged in the cylinder, and the positive electrode and the negative electrode are arranged alternately.

2. The cylindrical portable sealed lead-acid battery of claim 1, wherein the two ends of the cylinder are respectively provided with a plastic upper cover and a plastic bottom, the positive metal top cover is located on the upper side of the plastic upper cover, and the metal base is located on the lower side of the plastic bottom.

3. The cylindrical portable sealed lead-acid battery of claim 1, wherein the tubular electrode and the rolled positive electrode plate of the positive electrode are connected to the metal top cap by a positive lead, and the rolled negative electrode is connected to the metal base by a negative lead.

4. The portable sealed lead-acid battery of claim 2, wherein the plastic top cover has air holes and air valves, and the air valves are matched with the air holes.

5. The cylindrical portable sealed lead-acid battery of claim 2, wherein a lead insert is provided in said plastic base, said lead insert cooperating with the negative lead, and a lead insert is provided in the plastic top cover, said cover lead insert cooperating with the positive lead.

6. The cylindrical portable sealed lead-acid battery according to claim 1, wherein the tubular electrode is composed of a positive electrode core, a positive active material and a non-metal mesh fabric, the positive active material is wrapped in the non-metal mesh fabric, and the positive electrode core is located in the center of the positive active material.

7. The portable sealed lead-acid battery of claim 1, wherein the cross-section of the rolled positive and negative electrodes is in the shape of an "O" in end-to-end contact.