CN212659638U

CN212659638U - Lithium manganate battery structure capable of preventing self-discharge

Info

Publication number: CN212659638U
Application number: CN202020703164.1U
Authority: CN
Inventors: 申长伟; 李永起; 王振辉
Original assignee: Xinxiang Hongli Power Technology Co ltd
Current assignee: Xinxiang Hongli Power Technology Co ltd
Priority date: 2020-04-30
Filing date: 2020-04-30
Publication date: 2021-03-05
Anticipated expiration: 2030-04-30

Abstract

The utility model discloses a lithium manganate battery structure capable of preventing self-discharge, which comprises an outer shell and a protective cover, wherein the protective cover is arranged at the upper end of the outer shell, radiating fins are arranged on the groove surface of a radiating groove, a movable storage box is arranged inside a movable chamber, the movable storage box is arranged at the lower end of a bottom plate, the electrolytic chamber can emit heat in the working process, the self-discharge speed of the battery can be accelerated due to overhigh temperature, the heat in the electrolytic chamber is emitted through the radiating fins, the balance of the internal temperature of the electrolytic chamber is kept, thereby the self-discharge phenomenon is reduced, simultaneously, the movable storage box is filled with active carbon, the active carbon can be utilized to absorb the moisture in the environment near the battery, the self-discharge phenomenon can be reduced, the capacity of the lithium manganate battery is also improved, polytetrafluoroethylene materials have good corrosion resistance, when the lithium manganate battery is not used, the lithium manganate battery is prevented from being aged and corroded along with the lapse of time, and the service life of the lithium manganate battery is prolonged.

Description

Lithium manganate battery structure capable of preventing self-discharge

Technical Field

The utility model relates to the technical field of batteries, specifically be a can prevent from lithium manganate battery structure of discharging.

Background

The lithium manganate battery is a battery with a positive electrode made of a lithium manganate material, the nominal voltage of the lithium manganate battery is 2.5-4.2 v, the lithium manganate battery is low in cost and good in safety and is widely used, the self-discharge of the lithium manganate battery refers to the phenomenon that the voltage of the battery is reduced in the open-circuit and standing process, and the self-discharge phenomenon of the lithium manganate battery is inevitable in lithium iron phosphate, lithium manganate, lithium cobaltate and ternary material electrodes.

Although the self-discharge of the lithium battery is inevitable, the self-discharge amount of the lithium battery can be reduced, the self-discharge amount of the current lithium manganate battery cannot be reduced, the change of the whole capacity of the battery can be influenced after the electric quantity is lost, and the service life of the battery can be shortened in severe cases.

To the above problems, the existing device is improved, and a lithium manganate battery structure capable of preventing self-discharge is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can prevent from lithium manganate battery structure of discharging, adopt this device to work to battery capacity diminishes in having solved above-mentioned background, the problem that life shortens.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium manganate battery structure capable of preventing self-discharge comprises an outer shell and a protective cover, wherein the upper end of the outer shell is provided with the protective cover, the outer shell comprises an electrolytic chamber, a clamping block, a radiating groove, a movable chamber and a protective wall, the electrolytic chamber and the movable chamber are arranged inside the outer shell, the electrolytic chamber comprises an anode plate, a cathode plate, a binding post, a diaphragm, electrolyte and a bottom plate, the upper surface of the bottom plate is provided with the anode plate, the cathode plate and the diaphragm, the diaphragm is arranged between the anode plate and the cathode plate, the upper ends of the anode plate and the cathode plate are respectively provided with the binding post, the electrolyte is filled between the anode plate, the cathode plate and the diaphragm, the outer surface of the outer shell is fixedly provided with the clamping block, the outer surface of the outer shell is provided with, the outer surface of the connecting piece is provided with a connecting groove, and the protective cover is movably mounted with the outer shell through the connecting piece and the clamping block.

Furthermore, a wire pressing ring is arranged on the outer surface of the binding post and is in threaded connection with the binding post.

Furthermore, the groove surface of the heat dissipation groove is provided with a heat dissipation sheet, a movable storage box is arranged inside the movable chamber, and the movable storage box is arranged at the lower end of the bottom plate.

Further, the protection wall comprises an insulating layer, a heat-insulating layer and a corrosion-resistant layer, wherein the heat-insulating layer is arranged between the insulating layer and the corrosion-resistant layer, and the corrosion-resistant layer is arranged on the outer sides of the insulating layer and the heat-insulating layer.

Furthermore, the heat-insulating layer is a member made of an aerogel felt material, and the corrosion-resistant layer is a member made of a polytetrafluoroethylene material.

Further, the movable storage box is filled with activated carbon.

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

1. the utility model provides a can prevent lithium manganate battery structure from discharging, be provided with the fin on stating the trough surface of radiating groove, the inside of activity room is provided with movable case, the activity case sets up the lower extreme at the bottom plate, the electrolysis chamber is in the course of the work, can give out the heat, the battery speed from discharging can be accelerated to the high temperature, distribute out the heat in the electrolysis chamber through the fin, keep the balance of its inside temperature, thereby reach and reduce the emergence from discharge phenomenon, the inside packing of activity case has active carbon simultaneously, can utilize the moisture of active carbon absorption battery near environment, also can reach and reduce the emergence from discharge phenomenon, the capacity of lithium manganate battery has also been improved.

2. The utility model provides a can prevent lithium manganate battery structure from discharging, be provided with the insulating layer in the inside of protecting wall, insulating layer and corrosion-resistant layer keep warm, the corrosion-resistant layer sets up the outside at insulating layer and insulating layer, the insulating layer is the component that an aerogel felt material made, the corrosion-resistant layer is the component that a polytetrafluoroethylene material made, aerogel felt material has good thermal-insulated heat preservation effect, prevent that external environment's change from influencing the inside temperature of battery, indirect prevent lithium manganate battery from discharging, polytetrafluoroethylene material has good corrosion resistance simultaneously, lithium manganate battery is when shelving no, prevent lithium manganate battery from being aged and corroded along with the lapse of the lithium manganate of time, improve lithium manganate battery's life.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a lithium manganate battery capable of preventing self-discharge according to the present invention;

fig. 2 is a schematic view of a structure of a lithium manganate battery capable of preventing self-discharge according to the present invention;

fig. 3 is a schematic diagram of the internal structure of the lithium manganate battery capable of preventing self-discharge according to the present invention;

fig. 4 is a sectional view of the protective wall of the present invention;

fig. 5 is an enlarged view of fig. 2A according to the present invention.

In the figure: 1. an outer housing; 11. an electrolysis chamber; 111. an anode plate; 112. a cathode plate; 113. a binding post; 1131. pressing a wire ring; 114. a diaphragm; 115. an electrolyte; 116. a base plate; 12. a clamping block; 13. a heat sink; 131. a heat sink; 14. an activity room; 141. a movable storage box; 15. a protective wall; 151. an insulating layer; 152. a heat insulation layer; 153. a corrosion-resistant layer; 2. a protective cover; 21. perforating; 22. a connecting member; 221. and connecting the grooves.

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.

Referring to fig. 1-3, a lithium manganate battery structure capable of preventing self-discharge, comprising an outer casing 1 and a protective cover 2, the upper end of the outer casing 1 is provided with the protective cover 2, the outer casing 1 comprises an electrolytic chamber 11, a clamping block 12, a heat sink 13, a movable chamber 14 and a protective wall 15, the inner part of the outer casing 1 is provided with the electrolytic chamber 11 and the movable chamber 14, the electrolytic chamber 11 comprises an anode plate 111, a cathode plate 112, a binding post 113, a diaphragm 114, an electrolyte 115 and a bottom plate 116, the upper surface of the bottom plate 116 is provided with the anode plate 111, the cathode plate 112 and the diaphragm 114, the diaphragm 114 is arranged between the anode plate 111 and the cathode plate 112, the upper ends of the anode plate 111 and the cathode plate 112 are provided with the binding post 113, the electrolyte 115 is filled between the anode plate 111, the cathode plate 112 and the diaphragm 114, protection wall 15 fixed mounting is on the inner wall of shell body 1, and the upper surface of protective cover 2 is provided with perforation 21, and fixed mounting has connecting piece 22 on the surface of protective cover 2, is provided with spread groove 221 on the surface of connecting piece 22, and protective cover 2 passes through connecting piece 22 and fixture block 12 and shell body 1 movable mounting.

Referring to fig. 2 and 5, a wire pressing ring 1131 is disposed on an outer surface of the terminal 113, the wire pressing ring 1131 is in threaded connection with the terminal 113, a heat sink 131 is disposed on a groove surface of the heat dissipating groove 13, a movable storage box 141 is disposed inside the movable chamber 14, and the movable storage box 141 is disposed at a lower end of the bottom plate 116.

Referring to fig. 2 and 4, the protective wall 15 includes an insulating layer 151, a thermal insulating layer 152 and a corrosion-resistant layer 153, the thermal insulating layer 152 is disposed between the insulating layer 151 and the corrosion-resistant layer 153, the corrosion-resistant layer 153 is disposed on the outer sides of the insulating layer 151 and the thermal insulating layer 152, the thermal insulating layer 152 is made of an aerogel felt material, the corrosion-resistant layer 153 is made of a polytetrafluoroethylene material, and the movable storage box 141 is filled with activated carbon.

In summary, the following steps: the lithium manganate battery structure capable of preventing self-discharge is characterized in that a protective cover 2 is arranged at the upper end of an outer shell 1, an electrolytic chamber 11 and a movable chamber 14 are arranged inside the outer shell 1, a clamping block 12 is fixedly arranged on the outer surface of the outer shell 1, a heat dissipation groove 13 is arranged on the outer surface of the outer shell 1, a heat dissipation fin 131 is arranged on the groove surface of the heat dissipation groove 13, a movable storage box 141 is arranged inside the movable chamber 14, the movable storage box 141 is arranged at the lower end of a bottom plate 116, the electrolytic chamber 11 can dissipate heat in the working process, the self-discharge speed of the battery can be accelerated due to overhigh temperature, the heat in the electrolytic chamber 11 is dissipated through the heat dissipation fin 131, the balance of the internal temperature is kept, the self-discharge phenomenon is reduced, meanwhile, the active carbon is filled inside the movable storage box 141, the active carbon can be used for absorbing moisture in the environment near the, the capacity of the lithium manganate battery is also improved, the protection wall 15 is fixedly installed on the inner wall of the outer shell 1, the insulation layer 151, the heat preservation and insulation layer 152 and the corrosion-resistant layer 153 are arranged inside the protection wall 15, the corrosion-resistant layer 153 is arranged outside the insulation layer 151 and the heat preservation and insulation layer 152, the heat preservation and insulation layer 152 is a component made of an aerogel felt material, the corrosion-resistant layer 153 is a component made of a polytetrafluoroethylene material, the aerogel felt material has a good heat preservation and insulation effect, the change of the external environment is prevented from influencing the internal temperature of the battery, the lithium manganate battery is indirectly prevented from self-discharging, meanwhile, the polytetrafluoroethylene material has good corrosion resistance, when the lithium manganate battery is not placed, the lithium manganate battery is prevented from being aged and corroded along with the lapse of time, and the service life of the lithium manganate battery is prolonged.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a can prevent from lithium manganate battery structure of discharging, includes shell body (1) and protective cover (2), the upper end of shell body (1) is provided with protective cover (2), its characterized in that: the outer shell (1) comprises an electrolytic chamber (11), a clamping block (12), a heat dissipation groove (13), a movable chamber (14) and a protection wall (15), the electrolytic chamber (11) and the movable chamber (14) are arranged inside the outer shell (1), the electrolytic chamber (11) comprises an anode plate (111), a cathode plate (112), a binding post (113), a diaphragm (114), electrolyte (115) and a bottom plate (116), the upper surface of the bottom plate (116) is provided with the anode plate (111), the cathode plate (112) and the diaphragm (114), the diaphragm (114) is arranged between the anode plate (111) and the cathode plate (112), the upper ends of the anode plate (111) and the cathode plate (112) are respectively provided with the binding post (113), the electrolyte (115) is filled between the anode plate (111), the cathode plate (112) and the diaphragm (114), the clamping block (12) is fixedly installed on the outer surface of the outer shell (1), the heat dissipation groove, the protective wall (15) is fixedly arranged on the inner wall of the outer shell (1);

the upper surface of protective cover (2) is provided with perforation (21), and fixed mounting has connecting piece (22) on the surface of protective cover (2), is provided with spread groove (221) on the surface of connecting piece (22), and protective cover (2) pass through connecting piece (22) and fixture block (12) and shell body (1) movable mounting.

2. The lithium manganate battery structure capable of preventing self-discharge of claim 1, wherein: and a wire pressing ring (1131) is arranged on the outer surface of the binding post (113), and the wire pressing ring (1131) is in threaded connection with the binding post (113).

3. The lithium manganate battery structure capable of preventing self-discharge of claim 1, wherein: the radiating fins (131) are arranged on the groove surface of the radiating groove (13), the movable storage box (141) is arranged in the movable chamber (14), and the movable storage box (141) is arranged at the lower end of the bottom plate (116).

4. The lithium manganate battery structure capable of preventing self-discharge of claim 1, wherein: the protective wall (15) comprises an insulating layer (151), a heat-insulating layer (152) and a corrosion-resistant layer (153), the heat-insulating layer (152) is arranged between the insulating layer (151) and the corrosion-resistant layer (153), and the corrosion-resistant layer (153) is arranged on the outer sides of the insulating layer (151) and the heat-insulating layer (152).

5. The lithium manganate battery structure capable of preventing self-discharge of claim 4, wherein: the heat-insulating layer (152) is a component made of aerogel felt material, and the corrosion-resistant layer (153) is a component made of polytetrafluoroethylene material.

6. The lithium manganate battery structure capable of preventing self-discharge of claim 3, wherein: the movable storage box (141) is filled with activated carbon.