CN112271387A

CN112271387A - Ultrathin flexible polymer lithium electronic battery

Info

Publication number: CN112271387A
Application number: CN202011150629.6A
Authority: CN
Inventors: 周根华
Original assignee: Jiangxi Meitexin New Energy Co ltd
Current assignee: Jiangxi Meitexin New Energy Co ltd
Priority date: 2020-10-24
Filing date: 2020-10-24
Publication date: 2021-01-26

Abstract

The invention discloses an ultrathin flexible polymer lithium ion battery, which belongs to the technical field of lithium ion batteries and comprises a battery main body, wherein a lithium battery section is arranged on the inner side of the battery main body, protruding strips are arranged on two sides of the lithium battery section, an insulating pad is sleeved on the outer side of the lithium battery section, and side frames are arranged on two sides of the lithium battery section. According to the invention, the left side piece and the right side piece are sleeved at the position of the protruding strip, and the front piece is overlapped at the front end position of the pressing piece, so that the insulating pad is wrapped at the outer side of the lithium battery section, then the U-shaped frame is contacted with the protruding strip wrapped with the insulating pad, and when the U-shaped frame is butted at the outer side of the protruding strip, the first protruding block and the second protruding block are stressed and deformed to generate elastic force, and the protruding strip is supported and fixed by utilizing the rebounded elastic force, so that the butting between the insulator protective shell and the lithium polymer battery is simpler, and the wrapping difficulty is reduced to a certain extent.

Description

Ultrathin flexible polymer lithium electronic battery

Technical Field

The invention relates to the technical field of lithium electronic batteries, in particular to an ultrathin flexible polymer lithium electronic battery.

Background

Compared with the prior battery, the lithium polymer battery has high energy, miniaturization and light weight, is a chemical battery, has the ultrathin characteristic in shape, and can be made into batteries with different shapes and capacities according to the requirements of some products.

However, the butt joint between the insulator protective shell wrapped outside the lithium polymer battery with the conventional strip-shaped structure and the lithium polymer battery is difficult, the wrapping difficulty is increased to a certain extent, and the used area of the protective shell wrapped outside the conventional lithium polymer battery is large, so that the cost is increased to a certain extent, and the utilization rate is reduced.

Disclosure of Invention

The invention aims to: in order to solve the problems that the butt joint between the insulator protective shell of the existing bar-shaped structure and the lithium polymer battery is difficult, the difficulty of the package is increased to a certain degree, and the used area of the protective shell of the existing lithium polymer battery is large, so that the cost is increased to a certain degree, and the utilization rate is reduced, the ultrathin flexible polymer lithium battery is provided.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an ultra-thin flexible polymer lithium ion battery, includes battery subject, battery subject's inboard is provided with the lithium cell festival, the both sides of lithium cell festival all are provided with protruding strip, the outside cover of lithium cell festival is equipped with insulating pad, the both sides of lithium cell festival all are provided with the side frame.

Preferably, the one end of insulating pad is provided with the back part, one side of back part one end is provided with left side piece, one side that left side piece was kept away from to the one end of back part is provided with right side piece, the one end that the back piece was kept away from to left side piece is provided with the preforming, the one end that the back piece was kept away from to right side piece is provided with the anter, one side at anter and preforming top all is provided with the breach.

Preferably, the outside of side frame is provided with U type frame, the inboard of U type frame is provided with the recess, the inside one end of recess evenly is provided with the first protruding piece of multiunit, the inboard one end of keeping away from first protruding piece of recess evenly is provided with the multiunit second protruding piece.

Preferably, the top of lithium battery section one end is provided with the port, one side of the inside bottom of port is provided with external connection end.

Preferably, the tangent plane of first protruding piece and second protruding piece all is the arc structure, first protruding piece and second protruding piece all are elastic material.

Preferably, the two sets of U-shaped frames are mutually matched and detachably connected with the protruding strips through the first protruding blocks and the second protruding blocks.

Preferably, the two sets of U-shaped frames are respectively located at the outer sides of the two sets of convex strips, the left side piece and the right side piece.

Preferably, the front piece is located at the outer side of the pressing piece, and the left side piece and the right side piece are both in a U-shaped structure.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, through the arrangement of the U-shaped frame, the groove, the first protruding block, the second protruding block, the insulating pad, the front piece, the pressing piece, the left side piece, the rear piece and the right side piece, during butt joint, one end of the lithium battery section is firstly contacted with the inner side of the rear piece, then the left side piece and the right side piece are sleeved at the position of the protruding strip, and the front piece is superposed at the front end position of the pressing piece, so that the insulating pad is wrapped at the outer side of the lithium battery section, then the U-shaped frame is contacted with the protruding strip wrapped with the insulating pad, and when the U-shaped frame is butted at the outer side of the protruding strip, the first protruding block and the second protruding block are stressed and deformed to generate elastic force, and the protruding strip is supported and fixed by utilizing the rebounding elastic force, so that the butt joint between the insulating protective shell and the lithium polymer battery is simpler, and the wrapping difficulty is reduced to a certain extent;

2. according to the lithium battery protection shell, the U-shaped frame and the groove are arranged, so that two sides of the lithium battery section are protected by the U-shaped frame, and the lithium battery section is wrapped by the insulating pad, so that the area of the lithium battery protection shell is smaller, the cost is reduced to a certain extent, and the utilization rate is improved.

Drawings

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

FIG. 2 is a schematic structural view of a battery body according to the present invention;

FIG. 3 is a schematic structural diagram of a side frame of the present invention;

FIG. 4 is a schematic view of the structure of the insulating pad of the present invention;

fig. 5 is an enlarged view of the present invention a.

In the figure: 1. a battery main body; 2. a lithium battery section; 3. a side frame; 301. a U-shaped frame; 302. a groove; 303. a first raised block; 304. a second raised block; 4. an insulating pad; 401. a front panel; 402. tabletting; 403. a left side panel; 404. a rear panel; 405. a right side panel; 406. a notch; 5. a raised strip; 6. a port; 7. an external connection terminal.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-5, an ultra-thin flexible polymer lithium ion battery includes a battery main body 1, a lithium battery section 2 is disposed on the inner side of the battery main body 1, protruding strips 5 are disposed on both sides of the lithium battery section 2, an insulating pad 4 is sleeved on the outer side of the lithium battery section 2, and side frames 3 are disposed on both sides of the lithium battery section 2.

According to the invention, when the U-shaped frame 301 is butted on the outer side of the convex strips 5, the first convex blocks 303 and the second convex blocks 304 are stressed and deformed to generate elastic force, the convex strips 5 are supported and fixed by using the rebounding elastic force, so that the butting between the insulation protection shell and the lithium polymer battery is simpler, the wrapping difficulty is reduced to a certain extent, and through the U-shaped frame 301 and the grooves 302, the two sides of the lithium battery section 2 are protected by using the U-shaped frame 301, and the lithium battery section 2 is wrapped by using the insulation pads 4, so that the area of the lithium battery protection shell is smaller, the cost is reduced to a certain extent, and the utilization rate is improved.

Please refer to fig. 1 and 4, a rear plate 404 is disposed at one end of the insulating pad 4, a left side plate 403 is disposed at one side of one end of the rear plate 404, a right side plate 405 is disposed at one side of one end of the rear plate 404, which is far away from the left side plate 403, a pressing plate 402 is disposed at one end of the left side plate 403, a front plate 401 is disposed at one end of the right side plate 405, which is far away from the rear plate 404, notches 406 are disposed at one sides of tops of the front plate 401 and the pressing plate 402, and the front plate 401, the pressing plate 402, the left side plate 403, the rear plate 404 and the right side plate 405 are disposed, so as to better wrap the lithium battery pack 2.

Please refer to fig. 1, 3 and 5, the outer side of the side frame 3 is provided with a U-shaped frame 301, the inner side of the U-shaped frame 301 is provided with a groove 302, one end inside the groove 302 is uniformly provided with a plurality of groups of first protruding blocks 303, one end of the inner side of the groove 302, which is far away from the first protruding blocks 303, is uniformly provided with a plurality of groups of second protruding blocks 304, the top of one end of the lithium battery section 2 is provided with a port 6, one side of the inner bottom end of the port 6 is provided with an external connecting end 7, the U-shaped frame 301 is utilized to protect two sides of the lithium battery section 2, and the lithium battery section 2 is wrapped by an insulating pad 4, so that the area used by the lithium battery protective housing is smaller, the cost is reduced.

Please refer to fig. 1, 2, 3 and 5, the tangent planes of the first protrusion block 303 and the second protrusion block 304 are arc structures, the first protrusion block 303 and the second protrusion block 304 are made of elastic materials, the two sets of U-shaped frames 301 are detachably connected to the protrusion strips 5 by the mutual matching of the first protrusion block 303 and the second protrusion block 304, and the first protrusion block 303 and the second protrusion block 304 generate elastic force when deformed by stress, and the elastic force is used to support and fix the protrusion strips 5, so that the butt joint between the insulator protection shell and the lithium polymer battery is simpler, and the difficulty of wrapping is reduced to a certain extent.

Please refer to fig. 1, 2, 3, 4 and 5, the two sets of U-shaped frames 301 are respectively located at the outer sides of the two sets of protruding strips 5, the left side plate 403 and the right side plate 405, the front plate 401 is located at the outer side of the pressing plate 402, the left side plate 403 and the right side plate 405 are both in a "U" shape structure, and the U-shaped frames 301 are used for protecting the two sides of the lithium battery section 2, thereby prolonging the service life of the lithium battery section 2.

The working principle is as follows: when the lithium battery pack is used, through the U-shaped frame 301, the groove 302, the first protruding block 303, the second protruding block 304, the insulating pad 4, the front piece 401, the pressing piece 402, the left side piece 403, the rear piece 404 and the right side piece 405, during butt joint, one end of the lithium battery section 2 is firstly contacted with the inner side of the rear piece 404, then the left side piece 403 and the right side piece 405 are sleeved at the position of the protruding strip 5, the front piece 401 is overlapped at the front end position of the pressing piece 402, so that the insulating pad 4 is wrapped at the outer side of the lithium battery section 2, then the U-shaped frame 301 is contacted with the protruding strip 5 wrapped with the insulating pad 4, and when the U-shaped frame 301 is butt-jointed at the outer side of the protruding strip 5, the first protruding block 303 and the second protruding block 304 are stressed and deformed to generate elastic force, the supporting and fixing of the protruding strip 5 are realized by utilizing the rebounding elastic force, so that the butt joint between the insulating protective shell and the lithium polymer battery is simpler, the degree of difficulty of parcel has been reduced to a certain extent, and through the U type frame 301 and the recess 302 that set up to utilize U type frame 301 to protect lithium cell section 2's both sides, and utilize insulating 4 pads to wrap up lithium cell section 2, thereby make the used area of lithium cell protective housing littleer, the cost is reduced to a certain extent, has improved the rate of utilization.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An ultra-thin flexible polymer lithium ion battery, includes battery main part (1), its characterized in that: the inboard of main battery body (1) is provided with lithium cell festival (2), the both sides of lithium cell festival (2) all are provided with protruding strip (5), the outside cover of lithium cell festival (2) is equipped with insulating pad (4), the both sides of lithium cell festival (2) all are provided with side frame (3).

2. The ultra-thin flexible polymer lithium ion battery of claim 1, wherein: one end of insulating pad (4) is provided with back part (404), one side of back part (404) one end is provided with left side piece (403), one side that left side piece (403) were kept away from to the one end of back part (404) is provided with right side piece (405), the one end that back part (404) were kept away from in left side piece (403) is provided with preforming (402), the one end that back part (404) were kept away from in right side piece (405) is provided with anter (401), one side at anter (401) and preforming (402) top all is provided with breach (406).

3. The ultra-thin flexible polymer lithium ion battery of claim 1, wherein: the outside of side frame (3) is provided with U type frame (301), the inboard of U type frame (301) is provided with recess (302), the inside one end of recess (302) evenly is provided with the first protruding piece of multiunit (303), the inboard one end of keeping away from first protruding piece (303) of recess (302) evenly is provided with multiunit second protruding piece (304).

4. The ultra-thin flexible polymer lithium ion battery of claim 1, wherein: the top of lithium battery festival (2) one end is provided with port (6), one side of the inside bottom of port (6) is provided with outside link (7).

5. The ultra-thin flexible polymer lithium ion battery of claim 3, wherein: the tangent plane of first protruding piece (303) and second protruding piece (304) all is the arc structure, first protruding piece (303) and second protruding piece (304) are all elastic material.

6. The ultra-thin flexible polymer lithium ion battery of claim 5, wherein: the two groups of U-shaped frames (301) are detachably connected with the protruding strips (5) through the mutual matching of the first protruding blocks (303) and the second protruding blocks (304).

7. The ultra-thin flexible polymer lithium ion battery of claim 3, wherein: the two groups of U-shaped frames (301) are respectively positioned at the outer sides of the two groups of convex strips (5), the left side piece (403) and the right side piece (405).

8. The ultra-thin flexible polymer lithium ion battery of claim 2, wherein: the front piece (401) is positioned at the outer side of the pressing piece (402), and the left side piece (403) and the right side piece (405) are both in U-shaped structures.