CN213124578U

CN213124578U - Novel polymer lithium battery

Info

Publication number: CN213124578U
Application number: CN202021533663.7U
Authority: CN
Inventors: 高忠
Original assignee: Jiangxi Hester New Energy Co Ltd
Current assignee: Jiangxi Hester New Energy Co Ltd
Priority date: 2020-07-29
Filing date: 2020-07-29
Publication date: 2021-05-04
Anticipated expiration: 2030-07-29

Abstract

The invention relates to the field of lithium batteries, in particular to a novel polymer lithium battery which comprises a battery main body, wherein a top cover is fixed above the battery main body, electrode structures are symmetrically fixed on two sides of the top cover, each electrode structure comprises a mounting groove arranged on the top cover, a lug is fixed in each mounting groove, each lug is connected with an electrode on the battery main body through a copper flat cable, a connecting block is fixed at the bottom of each lug, fixed shafts are fixed on two sides of each connecting block, each lug is fixed on the top cover through the corresponding fixed shaft and is rotationally connected with the top cover, sliding grooves are further formed in the top covers on two sides of each mounting groove, gears are fixed on the fixed shafts in the sliding grooves, sliding rails are symmetrically fixed on the upper end faces of the top covers on two sides of each mounting groove. After the production of the lithium battery is completed, the pole lugs are transversely fixed in the mounting grooves, and the tops of the mounting grooves are sealed through the cover plates, so that the pole lugs can be effectively prevented from being deformed or broken in a collision manner in the transportation process.

Description

Novel polymer lithium battery

[ technical field ] A method for producing a semiconductor device

The invention relates to the field of lithium batteries, in particular to a novel polymer lithium battery.

[ background of the invention ]

Lithium ion batteries are classified into liquid lithium ion batteries and polymer lithium ion batteries or plastic lithium ion batteries according to the difference of electrolyte materials used in the lithium ion batteries. The positive and negative electrode materials used by the polymer lithium ion battery are the same as liquid lithium ions, the positive electrode material is divided into lithium cobaltate, lithium manganate, ternary material and lithium iron phosphate material, the negative electrode is graphite, and the working principle of the battery is basically consistent. The main difference is the difference of electrolyte, liquid electrolyte is used in liquid lithium ion battery, solid polymer electrolyte is used instead in polymer lithium ion battery, the polymer can be dry state or colloidal state, most of the present uses polymer gel electrolyte.

However, the existing polymer lithium battery has the following problems in the practical application process, that is, 1, the existing polymer lithium battery is bumped to cause the mutual collision between the batteries to bend or even break in the transportation process, so that the lithium battery cannot be normally used, resources are wasted, 2, the batteries are intensively placed, the mutual connection discharge of the positive electrode and the negative electrode is easily caused, and potential safety hazards exist.

The invention is provided for overcoming the defects of the prior art.

[ summary of the invention ]

The invention aims to overcome the defects of the prior art and provide a novel polymer lithium battery, which can effectively collect the lug in the top cover in the transportation process of the lithium battery.

The invention can be realized by the following technical scheme:

the invention discloses a novel polymer lithium battery, which comprises a battery main body, wherein a top cover is fixed above the battery main body, electrode structures are symmetrically fixed on two sides of the top cover, each electrode structure comprises a mounting groove arranged on the top cover, a tab is fixed in the mounting groove, the tab is connected with an electrode on the battery main body through a copper flat cable, a connecting block is fixed at the bottom of the tab, fixed shafts are fixed on two sides of the connecting block, the tab is fixed on the top cover through the fixed shafts and is rotationally connected with the top cover, sliding grooves are also arranged on the top cover on two sides of the mounting groove, gears are fixed on the fixed shafts in the sliding grooves, sliding rails are symmetrically fixed on the upper end surfaces of the top cover on two sides of the mounting groove, a cover plate is fixed above the mounting groove and is in sliding connection with the sliding rails at the corresponding position, and racks are fixed on the, the rack is meshed with the gears at the corresponding positions, a top plate is further fixed between the two slide rail ends, threaded holes are fixed at the front end and the rear end of the top plate, and threaded holes are also fixed at the tail ends of the cover plates. When the lithium battery is transported to a designated position for use, a screw in a threaded hole close to one side of the mounting groove is taken down from a top plate, the sliding cover plate is fixed below the cover plate, the rack is meshed with a gear on a fixed shaft, when the rack moves, the gear rotates, the fixed shaft rotates along with the gear, the lug rotates along with the fixed shaft, the top end of the lug rotates out of the mounting groove, after the cover plate slides to the tail end of a sliding groove, the lug rotates to a vertical state, a threaded hole in the cover plate is superposed with a threaded hole in the tail end of the top plate, the cover plate is fixed after the screw passes through the superposed threaded hole again, and the lug is in the vertical state, the lithium battery can be normally used.

Preferably, a limiting block is further fixed on one side of the upper end face of the cover plate. The cover plate can be more conveniently slid through the limiting block.

Compared with the prior art, the invention has the following advantages:

after the production of the lithium battery is completed, the lug is transversely fixed in the mounting groove, the top of the mounting groove is sealed by the cover plate, the lug can be effectively prevented from being deformed or broken in a collision manner in the transportation process, and the phenomenon of discharging caused by the butt joint of the two poles of the battery is avoided.

[ description of the drawings ]

The following detailed description of embodiments of the invention is provided in conjunction with the appended drawings, in which:

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

FIG. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a cross-sectional view taken at B-B of FIG. 2;

FIG. 5 is a cross-sectional view taken at C-C of FIG. 2;

in the figure: 1. a battery main body; 2. a top cover; 3. an electrode structure; 4. mounting grooves; 5. a tab; 6. a cover plate; 7. a slide rail; 8. a top plate; 9. a threaded hole; 10. a limiting block; 11. connecting blocks; 12. copper flat cables; 13. a fixed shaft; 14. a gear; 15. a rack; 16. a chute;

[ detailed description ] embodiments

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings:

as shown in fig. 1 to 5, the present invention discloses a novel polymer lithium battery, comprising a battery main body 1, a top cover 2 fixed on the battery main body 1, electrode structures 3 symmetrically fixed on both sides of the top cover 2, the electrode structures 3 comprising a mounting groove 4 arranged on the top cover 2, a tab 5 fixed in the mounting groove 4, the tab 5 electrically connected with an electrode on the battery main body 1 through a copper flat cable 12, a connecting block 11 fixed at the bottom of the tab 5, fixing shafts 13 fixed on both sides of the connecting block 11, the tab 5 fixed on the top cover 2 through the fixing shaft 13 and rotatably connected with the top cover 2, sliding grooves 16 arranged on the top cover 2 on both sides of the mounting groove 4, gears 14 fixed on the fixing shafts 13 in the sliding grooves 16, sliding rails 7 symmetrically fixed on the upper end surfaces of the top cover 2 on both sides of the mounting groove 4, a cover plate 6 fixed on the mounting groove 4, the cover plate 6 slidably connected with the, the lower end face of the cover plate 6 is fixed with a rack 15 at a position corresponding to the sliding groove 16, the rack 15 is meshed with a gear 14 at a corresponding position, a top plate 8 is further fixed between the tail ends of the two sliding rails 7, threaded holes 9 are fixed at the front end and the rear end of the top plate 8, and the tail end of the cover plate 6 is also fixed with the threaded holes 9. After the production of the lithium battery is finished, the pole lug 5 is transversely fixed in the mounting groove 4, the top of the mounting groove 4 is sealed by the cover plate 6, the collision deformation or the breakage of the pole lug 5 in the transportation process can be effectively avoided, and the discharging phenomenon caused by the butt joint of two poles of the battery does not exist, when the lithium battery is transported to a designated position for use, a screw in the threaded hole 9 close to one side of the mounting groove 4 is taken down from the top plate 8, the cover plate 6 is slid, because the rack 15 is fixed below the cover plate 6, the rack 15 is mutually meshed with the gear 14 on the fixed shaft 13, when the rack 15 moves, the gear 14 rotates, the fixed shaft 13 rotates along with the gear 14, the pole lug 5 rotates along with the fixed shaft 13, the top end of the pole lug 5 rotates out from the mounting groove 4, after the cover plate 6 slides to the tail end of the sliding, the cover plate 6 is fixed after the screw penetrates through the overlapped threaded hole 9, the tab 5 is in a vertical state, and the lithium battery can be normally used.

Wherein, a limiting block 10 is fixed on one side of the upper end surface of the cover plate 6. The cover plate 6 is more convenient to slide through the limiting block 10.

The above description is only a preferred embodiment of the present invention, and it should be noted that a person skilled in the art can make various changes, modifications, substitutions and alterations to the embodiments without departing from the technical principles of the present invention, and such changes, modifications, substitutions and alterations should also be regarded as the protection scope of the present invention.

Claims

1. A novel polymer lithium battery is characterized in that: the battery comprises a battery body, a top cover is fixed above the battery body, electrode structures are symmetrically fixed on the top cover, the electrode structures comprise mounting grooves formed in the top cover, tabs are fixed in the mounting grooves and are connected with electrodes on the battery body through copper wires, connecting blocks are fixed at the bottoms of the tabs, fixing shafts are fixed on the two sides of the connecting blocks, the tabs are fixed on the top cover through the fixing shafts and are rotatably connected with the top cover, sliding grooves are further formed in the top covers on the two sides of the mounting grooves, gears are fixed on the fixing shafts in the sliding grooves, sliding rails are symmetrically fixed on the upper end faces of the top cover on the two sides of the mounting groove, cover plates are fixed above the mounting grooves and are slidably connected with the sliding rails at corresponding positions, racks are fixed on the corresponding positions of the lower end faces of the cover plates and the sliding grooves, and are meshed with the gears at, and a top plate is further fixed between the tail ends of the two slide rails, threaded holes are fixed at the front end and the rear end of the top plate, and threaded holes are also fixed at the tail end of the cover plate.

2. The novel polymer lithium battery of claim 1, wherein: and a limiting block is fixed on one side of the upper end surface of the cover plate.