CN213304293U

CN213304293U - Flat-folding high-performance power battery

Info

Publication number: CN213304293U
Application number: CN202022243294.4U
Authority: CN
Inventors: 张武生; 何海军; 祁人杰
Original assignee: Ganzhou Chuangxiang Power Supply Co ltd
Current assignee: Ganzhou Chuangxiang Power Supply Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-05-28
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a flat formula high performance power battery that folds, including shell, end cover, fastening bolt, through-hole, rubber bed course, USB socket, handle, anodal post, negative pole post, positive and negative sign, diaphragm one, diaphragm two, anodal pole piece, negative pole piece and power battery. Compared with the prior art, the utility model discloses possess following beneficial effect: this high energy power battery of flat folding formula, through setting up diaphragm one and diaphragm two, solve in the traditional lamination preparation technology because of positive negative pole piece contact, pole piece edge burr pierces through the short circuit problem that the diaphragm caused, improve battery quality, improve the folding mode of current diaphragm, greatly reduced material cost and technology complexity realize power battery's high efficiency, through setting up USB socket for power battery can be better come out energy conversion, realize power battery's high efficiency is practical, improve power battery's work efficiency, hoisting device's practicality.

Description

Flat-folding high-performance power battery

Technical Field

The utility model relates to a high-efficient device specifically is a flat folding high performance energy power battery.

Background

Lithium ion power batteries for electric vehicles generally adopt a flat-stacked structure because they require a larger heat dissipation area and a higher capacity. The flat-stacked structure is generally formed by stacking a negative plate, a diaphragm and a positive plate layer by layer. For the existing laminated preparation method, the manufactured electrode plate is required to be cut into a plurality of small pieces according to the size of the finished battery, and the small pieces are circularly stacked according to the sequence of the positive electrode plate, the diaphragm, the negative electrode plate and the diaphragm after cutting, so that the process is complicated, burrs of the electrode plate penetrate the diaphragm and the like to cause the diaphragm to break, the positive electrode plate and the negative electrode plate are connected to cause a short circuit phenomenon, and the safety performance of the battery is reduced.

Therefore, a flat-stacked high-performance power battery is provided to solve these problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a flat-stacked high performance power battery for solving the above problems.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a flat-stacked high-performance power battery comprises a shell and a power battery, wherein a rubber cushion layer is arranged at the bottom of the shell, an end cover is arranged at the upper end of the shell, a lifting handle is arranged at the upper end of the end cover, through holes are formed beside the lifting handle, fastening bolts are arranged at four corners of the end cover, a USB (universal serial bus) socket is arranged on the side surface of the shell, and the power battery is arranged in the shell;

the power battery is characterized in that a positive pole column and a negative pole column are arranged at the upper end of the power battery, positive and negative marks are arranged beside the positive pole column and the negative pole column, a first diaphragm and a second diaphragm are arranged inside the power battery, and a positive pole piece and a negative pole piece are respectively arranged at the upper ends of the first diaphragm and the second diaphragm.

Preferably, the bottom of the shell is provided with a rubber cushion layer, and the top end of the shell is provided with a handle.

Preferably, the fastening bolt penetrates through the through hole to fix the end cover at the upper end of the shell, and the flatly-stacked power battery is arranged inside the shell.

Preferably, the first diaphragm and the second diaphragm are folded to form the power battery, and the first diaphragm and the second diaphragm are arranged to be rectangular structures.

Preferably, the upper end faces of the first diaphragm and the second diaphragm are provided with a positive pole piece and a negative pole piece which are uniformly spaced, and the positive pole piece and the negative pole piece are provided with continuous V-shaped folding seams at intervals.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. according to the flat-stacked high-performance power battery, the diaphragm I and the diaphragm II are arranged, so that the problem of short circuit caused by the fact that burrs on the edge of a pole piece pierce a diaphragm due to contact of a positive pole piece and a negative pole piece in the traditional lamination preparation process is solved, the battery quality is improved, the folding mode of the existing diaphragm is improved, the material cost and the process complexity are greatly reduced, and the high efficiency of the power battery is realized.

2. This high-performance power battery of flat folding formula through setting up USB socket for power battery can be better come out energy conversion, realizes power battery's high-efficient practicality, improves power battery's work efficiency, hoisting device's practicality.

Drawings

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

fig. 2 is a schematic structural diagram of the power battery of the present invention;

fig. 3 is a schematic structural diagram of the separator of the present invention;

in the figure: 1. a housing; 2. an end cap; 3. fastening a bolt; 4. a through hole; 5. a rubber cushion layer; 6. a USB socket; 7. a handle; 8. a positive post; 9. a negative pole post; 10. positive and negative marks; 11. a first diaphragm; 12. a second diaphragm; 13. a positive electrode plate; 14. a negative pole piece; 15. and a power battery.

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 to 3, a flat-stacked high-performance power battery includes a housing 1 and a power battery 15, a rubber cushion 5 is disposed at the bottom of the housing 1, the rubber cushion 5 is disposed at the bottom of the housing 1, a handle 7 is disposed at the top end of the housing 1, an end cover 2 is disposed at the upper end of the housing 1, the handle 7 is disposed at the upper end of the end cover 2, a through hole 4 is disposed beside the handle 7, a fastening bolt 3 penetrates through the through hole 4 to fix the end cover 2 at the upper end of the housing 1, the flat-stacked power battery 15 is disposed inside the housing 1, fastening bolts 3 are disposed at four corners of the end cover 2, USB sockets 6 are disposed on the side surface of the housing 1, the power battery 15 is disposed inside the housing 1, the first diaphragm 11 and the second diaphragm 12 form the power battery 15 after being folded, the first diaphragm 11 and the second diaphragm 12 are disposed in a rectangular structure, the upper end of power battery 15 is provided with positive post 8 and negative pole post 9, the next door of positive post 8 and negative pole post 9 is provided with positive negative sign 10, be provided with evenly spaced positive pole piece 13 and negative pole piece 14 on the up end of diaphragm 11 and diaphragm two 12, be provided with continuous V type crease on positive pole piece 13 and the negative pole piece 14 interval, the inside of power battery 15 is provided with diaphragm one 11 and diaphragm two 12, the upper end of diaphragm one 11 and diaphragm two 12 is provided with positive pole piece 13 and negative pole piece 14 respectively.

The working principle is as follows: when the flat-stacked high-performance power battery is used, firstly, the positive pole piece I3 and the negative pole piece 14 are arranged on the diaphragm I11 and the diaphragm II 12 at intervals, secondly, the diaphragm I11 and the diaphragm II 12 are folded to form a folded stack with the positive pole piece and the negative pole piece which are separated by the diaphragm alternately as a battery cell, the battery cell is then cased, welded, injected with electrolyte, sealed and formed, and then the lithium ion battery is flexibly packaged and shaped to obtain a finished product lithium ion battery, and finally, a using device is connected, so that the flat-stacked high-performance power battery can be normally used.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. 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.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A flat-stacked high-performance power battery comprises a shell (1) and a power battery (15), and is characterized in that: a rubber cushion layer (5) is arranged at the bottom of the shell (1), an end cover (2) is arranged at the upper end of the shell (1), a lifting handle (7) is arranged at the upper end of the end cover (2), through holes (4) are formed beside the lifting handle (7), fastening bolts (3) are arranged at four corners of the end cover (2), a USB socket (6) is arranged on the side surface of the shell (1), and a power battery (15) is arranged in the shell (1);

the power battery is characterized in that a positive pole post (8) and a negative pole post (9) are arranged at the upper end of the power battery (15), positive and negative marks (10) are arranged beside the positive pole post (8) and the negative pole post (9), a first diaphragm (11) and a second diaphragm (12) are arranged inside the power battery (15), and a positive pole piece (13) and a negative pole piece (14) are respectively arranged at the upper ends of the first diaphragm (11) and the second diaphragm (12).

2. The flat-stacked high performance power cell according to claim 1, wherein: the top end of the shell (1) is provided with a handle (7).

3. The flat-stacked high performance power cell according to claim 1, wherein: the fastening bolt (3) penetrates through the through hole (4) to fix the end cover (2) at the upper end of the shell (1), and the horizontally-stacked power battery (15) is arranged inside the shell (1).

4. The flat-stacked high performance power cell according to claim 1, wherein: the power battery (15) is formed by folding the first diaphragm (11) and the second diaphragm (12), and the first diaphragm (11) and the second diaphragm (12) are of rectangular structures.

5. The flat-stacked high performance power cell according to claim 1, wherein: the diaphragm I (11) and the diaphragm II (12) are provided with a positive pole piece (13) and a negative pole piece (14) which are uniformly spaced, and the positive pole piece (13) and the negative pole piece (14) are provided with continuous V-shaped folding seams at intervals.