CN210379255U

CN210379255U - Electrode for secondary battery

Info

Publication number: CN210379255U
Application number: CN201921637521.2U
Authority: CN
Inventors: 高晓松; 翟赟; 姜楠; 杨涛
Original assignee: Suzhou Qianxun New Energy Technology Co Ltd
Current assignee: Suzhou Qianxun New Energy Technology Co Ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-04-21
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses an electrode for secondary battery, including the battery frame, the inner chamber of battery frame is equipped with negative plate and positive plate, supreme setting of arranging in proper order is followed to negative plate and positive plate, the negative plate is including natural graphite, magnesium oxide coating, active powder thick liquid layer and diffusion powder thick liquid layer, the positive plate is including plumbous system basic unit, nickel oxide powder thick liquid layer and conductive powder thick liquid layer. The utility model discloses a set up battery frame, negative plate, polyethylene diaphragm, positive plate, positive pole pile head, liquid feeding pipe, negative pole pile head, natural graphite, magnesium oxide coating, active powder thick liquid layer, diffusion powder thick liquid layer, plumbous system basic unit, nickel oxide powder thick liquid layer and conductive powder thick liquid layer, solved secondary battery on the current market and used the electrode and do not possess long service life's function, long-time use easily the phenomenon that muddy liquid stored up the electric quantity is poor, the duration variation influences the use, has reduced battery life's problem.

Description

Electrode for secondary battery

Technical Field

The utility model relates to a secondary battery technical field specifically is an electrode for secondary battery.

Background

The secondary battery is also called as a rechargeable battery or a storage battery, and refers to a battery which can be continuously used by activating an active substance in a charging mode after the battery is discharged, the self-discharge of the secondary battery is also called as charge retention capacity, and the retention capacity of the electric quantity stored in the battery under a certain environmental condition in an open circuit state is referred to as the retention capacity of the battery.

The use of an electrode in a secondary battery is vital, the electrode for the secondary battery in the existing market does not have the function of long service life, the phenomenon of poor electricity storage amount of turbid liquid is easy to occur after long-time use, the use is influenced by the deterioration of the endurance capacity, and the service life of the battery is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrode for secondary battery possesses long service life's advantage, has solved the problem that electrode for secondary battery does not possess the long service life function in the current market.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electrode for secondary battery, includes the battery frame, the inner chamber of battery frame is equipped with negative plate and positive plate, supreme setting for arranging in proper order is followed to negative plate and positive plate, the negative plate is including natural graphite, magnesium oxide coating, active powder thick liquid layer and diffusion powder thick liquid layer, the positive plate is including plumbous basic unit, nickel oxide powder thick liquid layer and conductive powder thick liquid layer, the left side intercommunication at battery frame inner chamber top has anodal pile head, the right side intercommunication at battery frame inner chamber top has negative pole pile head.

Preferably, the top and the bottom of the natural graphite are both fixedly connected with a magnesium oxide coating, one side of the magnesium oxide coating, which is far away from the natural graphite, is fixedly coated with an active slurry layer, and one side of the active slurry layer, which is far away from the magnesium oxide coating, is fixedly coated with a diffusion slurry layer.

Preferably, the top and the bottom of the lead base layer are both fixedly connected with a nickel oxide powder slurry layer, and one side of the nickel oxide powder slurry layer, which is far away from the lead base layer, is fixedly coated with a conductive powder slurry layer.

Preferably, a liquid feeding pipe is communicated with a middle shaft at the top of the inner cavity of the battery frame, and a fixed cover is connected to the top of the surface of the liquid feeding pipe in a threaded sealing mode.

Preferably, a polyethylene diaphragm is arranged on one surface of the negative plate opposite to the positive plate, and the use thickness of the polyethylene diaphragm is 0.2 mm.

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

1. the utility model discloses a set up battery frame, the negative plate, the polyethylene diaphragm, the positive plate, positive pole pile head, the liquid feeding pipe, negative pole pile head, natural graphite, the magnesium oxide coating, active powder thick liquid layer, diffusion powder thick liquid layer, plumbous system basic unit, nickel oxide powder thick liquid layer and conductive powder thick liquid layer, can make battery electrode reach long service life's function, the secondary battery electrode that has solved on the current market does not possess long service life's function, the phenomenon that muddy liquid stored up the electric quantity difference easily appears in long-time use, the duration variation influences the use, battery service life's problem has been reduced.

2. Through the use of the magnesium oxide coating, the natural graphite can be effectively protected, the phenomenon that the natural graphite is embrittled and falls off to influence the use after long-time use is avoided, and the service life of the negative plate is prolonged;

by using the nickel oxide powder layer, the surface reaction effect of the positive plate is better, the chemical energy storage effect is stronger, and the electricity storage capacity and the endurance effect of the battery are improved;

through the use of the liquid adding pipe and the fixed cover, the maintenance and liquid adding use of the battery by workers can be more convenient, and the phenomenon that the sealing performance and the service life of the battery are influenced by frequent disassembly is avoided;

through the use of the polyethylene diaphragm, the positive electrode and the negative electrode can be effectively isolated, electrons in the battery can not freely pass through the polyethylene diaphragm, ions in the electrolyte can freely pass through the polyethylene diaphragm between the positive electrode and the negative electrode, the safety of the battery during use is guaranteed, and the service life of the battery is prolonged.

Drawings

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

fig. 2 is a cross-sectional view of the negative plate of the present invention;

fig. 3 is a cross sectional view of the positive plate of the present invention.

In the figure: 1. a battery frame; 2. a negative plate; 3. a polyethylene separator; 4. a positive plate; 5. a positive pile head; 6. a liquid feeding pipe; 7. a negative pile head; 8. natural graphite; 9. a magnesium oxide coating; 10. an active powder slurry layer; 11. a diffusion slurry layer; 12. making a base layer of lead; 13. a nickel oxide powder slurry layer; 14. and (4) a conductive powder slurry layer.

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.

Examples

Referring to fig. 1-3, an electrode for a secondary battery comprises a battery frame 1, wherein a negative plate 2 and a positive plate 4 are arranged in an inner cavity of the battery frame 1, the negative plate 2 and the positive plate 4 are sequentially arranged from bottom to top, the negative plate 2 comprises natural graphite 8, a magnesium oxide coating 9, an active powder slurry layer 10 and a diffusion powder slurry layer 11, the positive plate 4 comprises a lead base layer 12, a nickel oxide powder slurry layer 13 and a conductive powder slurry layer 14, a left side of the top of the inner cavity of the battery frame 1 is communicated with a positive pile head 5, and a right side of the top of the inner cavity of the battery frame 1 is communicated with a negative pile head 7.

In this embodiment, it is concrete, the equal fixedly connected with magnesium oxide coating 9 in top and the bottom of natural graphite 8, one side that natural graphite 8 was kept away from to magnesium oxide coating 9 is fixed to be smeared with active powder thick liquid layer 10, one side that magnesium oxide coating 9 was kept away from to active powder thick liquid layer 10 is fixed to be smeared with diffusion powder thick liquid layer 11, use through magnesium oxide coating 9, can effectively protect natural graphite 8, avoid its long-time use, the phenomenon that the influence was used is come off to the embrittlement appears, the life of negative plate 2 has been prolonged.

In this embodiment, it is concrete, the equal fixedly connected with nickel oxide powder thick liquid layer 13 in the top and the bottom of lead system basic unit 12, and the fixed electrically conductive powder thick liquid layer 14 that has scribbled in one side that lead system basic unit 12 was kept away from to nickel oxide powder thick liquid layer 13, through the use of nickel oxide powder thick liquid layer 13, can make positive plate 4 surface reaction effect better, and chemical energy storage effect is stronger, has promoted the accumulate ability and the continuation of the journey effect of battery.

In this embodiment, it is concrete, the axis department intercommunication at 1 inner chamber top of battery frame has liquid feeding pipe 6, and the top thread sealing on liquid feeding pipe 6 surface is connected with fixed lid, through the use of liquid feeding pipe 6 and fixed lid, can make things convenient for the staff to maintain the battery and the liquid feeding uses more, has avoided frequently tearing open the phenomenon that the machine influences battery use leakproofness and life.

In this embodiment, specifically, the opposite side of the negative plate 2 and the positive plate 4 is provided with the polyethylene diaphragm 3, the use thickness of the polyethylene diaphragm 3 is 0.2mm, and through the use of the polyethylene diaphragm 3, the positive electrode and the negative electrode can be effectively isolated, electrons in the battery cannot freely pass through the battery, ions in the electrolyte can freely pass through the positive electrode and the negative electrode, so that the safety of the battery during use is ensured, and the service life of the battery is prolonged.

When in use, the magnesium oxide coating 9 can effectively protect the natural graphite 8 from being embrittled and falling off after long-term use, the service life of the negative plate 2 is prolonged, the active powder slurry layer 10 is made of cadmium oxide slurry, the diffusion powder slurry layer 11 is made of iron oxide slurry, the active powder slurry layer 10 can be effectively prevented from caking in use by using the diffusion powder slurry layer 11, the reaction speed is reduced, the electricity storage efficiency of the battery is improved, the service life of the battery is prolonged, the surface reaction effect of the positive plate 4 can be better and the chemical energy storage effect is stronger by using the nickel oxide slurry layer 13, the electricity storage capacity and the endurance effect of the battery are improved, the conductive powder slurry layer 14 is made of graphite slurry, and the conductivity of the surface of the positive plate 4 can be effectively improved by using the conductive powder slurry layer 14, the efficiency of charge and discharge has been promoted, use through liquid feeding pipe 6 and fixed lid, can make things convenient for the staff to maintain the battery and the liquid feeding uses more, the phenomenon of influence battery use leakproofness and life has been avoided frequently tearing open the machine, practicality when having promoted the battery use, use through polyethylene diaphragm 3, can effectively keep apart just, the negative pole makes the electron in the battery can not freely pass, let the ion in the electrolyte freely pass through between positive negative pole, the security when having ensured the battery use, the life of battery has been promoted, cooperation through above-mentioned structure, can make battery and electrode reach long service life's function, and is suitable for being generalized to use.

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. An electrode for a secondary battery, comprising a battery frame (1), characterized in that: the inner chamber of battery frame (1) is equipped with negative plate (2) and positive plate (4), supreme the setting of arranging in proper order is followed to negative plate (2) and positive plate (4), negative plate (2) are including natural graphite (8), magnesium oxide coating (9), active powder thick liquid layer (10) and diffusion powder thick liquid layer (11), positive plate (4) are including lead system basic unit (12), nickel oxide powder thick liquid layer (13) and electrically conductive powder thick liquid layer (14), the left side intercommunication at battery frame (1) inner chamber top has positive pile head (5), the right side intercommunication at battery frame (1) inner chamber top has negative pole pile head (7).

2. The electrode for a secondary battery according to claim 1, characterized in that: the top and the bottom of the natural graphite (8) are fixedly connected with a magnesium oxide coating (9), one side, far away from the natural graphite (8), of the magnesium oxide coating (9) is fixedly coated with an active powder slurry layer (10), and one side, far away from the magnesium oxide coating (9), of the active powder slurry layer (10) is fixedly coated with a diffusion powder slurry layer (11).

3. The electrode for a secondary battery according to claim 1, characterized in that: the top and the bottom of the lead base layer (12) are both fixedly connected with a nickel oxide powder slurry layer (13), and one side of the nickel oxide powder slurry layer (13) far away from the lead base layer (12) is fixedly coated with a conductive powder slurry layer (14).

4. The electrode for a secondary battery according to claim 1, characterized in that: the middle shaft at the top of the inner cavity of the battery frame (1) is communicated with a liquid feeding pipe (6), and the top of the surface of the liquid feeding pipe (6) is in threaded sealing connection with a fixed cover.

5. The electrode for a secondary battery according to claim 1, characterized in that: the negative plate (2) and the positive plate (4) are opposite to each other in surface and are provided with a polyethylene diaphragm (3), and the use thickness of the polyethylene diaphragm (3) is 0.2 mm.