CN207320259U

CN207320259U - A kind of high-magnification cylindrical green polymer battery

Info

Publication number: CN207320259U
Application number: CN201721467946.4U
Authority: CN
Inventors: 王立平
Original assignee: JIAN LILAI NEW ENERGY TECHNOLOGY Co Ltd
Current assignee: JIAN LILAI NEW ENERGY TECHNOLOGY Co Ltd
Priority date: 2017-11-07
Filing date: 2017-11-07
Publication date: 2018-05-04
Anticipated expiration: 2027-11-07

Abstract

The utility model discloses a kind of high-magnification cylindrical green polymer battery, belongs to polymer battery field, including such as lower structure：Positive polar region, the anode area for being wrapped in the positive polar region, the shell for being wrapped in the anode area；The positive polar region includes such as lower structure：Positive plate, anode ear, cathode microporosity separator, cathode membrane, cathode conductive layer, the first high molecular polymer electrolyte；The anode area includes such as lower structure：Negative plate, negative electrode lug, anode microporosity separator, negative electrode membrane, anode conductive layer, the second high molecular polymer electrolyte.High-magnification cylindrical green polymer battery disclosed in the utility model, makes simply, is widely used, can not only effectively improve high rate performance, security performance and practicality, additionally it is possible to reduce the disqualification rate of battery in the production process.

Description

A kind of high-magnification cylindrical green polymer battery

Technical field

Polymer battery field is the utility model is related to, more particularly to a kind of high-magnification cylindrical green polymer Battery.

Background technology

With the continuous development of science and technology, people be unable to do without electric equipment products, and big portion in these electric equipment products in life Dividing needs battery electric power storage to start.At present, it is excellent since polymer battery has capacity density big, light weight and has a safety feature etc. Point, has been successfully applied in various electronic products, communication apparatus, automation instrument and various electric tools.However, i.e. Just safer battery also is difficult to accomplish high magnification, and using after a period of time, the positive and negative anodes shell of battery is easily by oxygen Change, cause battery conductive degradation, so as to have impact on the service efficiency and practicality of high multiplying polymer battery.

Utility model content

The defects of in order to overcome the prior art, the technical problem to be solved by the utility model is to propose a kind of high magnification Cylindrical green polymer battery, makes simply, is widely used, can not only effectively improve high rate performance, security performance and reality With property, additionally it is possible to reduce the disqualification rate of battery in the production process.

For this purpose, the utility model uses following technical scheme：

The utility model provides a kind of high-magnification cylindrical green polymer battery, including such as lower structure：Positive polar region, bag It is wrapped in the anode area of the positive polar region, is wrapped in the shell in the anode area；The positive polar region includes such as lower structure：Positive plate, Anode ear, cathode microporosity separator, cathode membrane, cathode conductive layer, the first high molecular polymer electrolyte；The anode ear welding In the positive plate upper and lower ends, the first high molecular polymer electrolyte coated on the positive plate, the cathode every Film is placed on the first high molecular polymer electrolyte, forms cathode laminated construction, and along the cathode laminated construction side Cathode cylinder is wound into, winding ensures that the cathode cylinder core is the cathode membrane at the same time；The cathode micropore every Plate around being fixed in around the anode ear of the cathode cylinder upper and lower ends, the cathode conductive layer be covered in it is described just On lug；The anode area includes such as lower structure：Negative plate, negative electrode lug, anode microporosity separator, negative electrode membrane, anode conductive layer, Second high molecular polymer electrolyte；The negative pole lug welding is in the negative plate upper and lower ends, second high molecular polymerization Coated on the negative plate, the negative electrode membrane is placed on the second high molecular polymer electrolyte thing electrolyte, is formed Anode laminated construction, the anode laminated construction side is continued to wind along the cathode cylinder, forms anode ring bodies, volume Ensure that the anode ring bodies innermost layer and outermost layer are the negative electrode membrane around at the same time；The anode microporosity separator is around affixed Around the negative electrode lug of the anode ring bodies upper and lower ends, the anode conductive layer is covered on the negative electrode lug；Institute It is consistent with the cathode leaf length to state anode ear, the negative electrode lug is consistent with the anode leaf length；Surrounded outside the anode ear There is silica gel ring.

In the preferable technical solution of the utility model, silica gel ring height is lower than the height of the anode ear 1.5~ 3mm。

In the preferable technical solution of the utility model, the cathode membrane and the positive plate are highly consistent, described negative Pole membrane and the negative plate are highly consistent, and the positive plate is highly more than negative plate height.

In the preferable technical solution of the utility model, also set among the anode microporosity separator and the anode conductive layer It is equipped with pressure safety valve.

In the preferable technical solution of the utility model, the anode conductive layer is provided with uniformly at the silica gel ring The concealed exhausting-gas hole of arrangement.

In the preferable technical solution of the utility model, a diameter of 1~3mm of the concealed exhausting-gas hole.

The beneficial effects of the utility model are：

The utility model provides a kind of high-magnification cylindrical green polymer battery, the positive and negative lug of the battery and opposite The positive/negative plate length answered is consistent, the favourable charge-discharge magnification for improving polymer battery, and the first high molecular polymer is electrolysed Liquid and the second high molecular polymer electrolyte are separately positioned between pole piece and membrane, can effectively avoid aoxidizing and reducing conductive Efficiency, so as to improve the practicality of battery.By being surrounded with silica gel ring outside anode ear, further strengthen the security of battery core Energy.

The utility model provides a kind of high-magnification cylindrical green polymer battery, makes simply, is widely used, not only High rate performance, security performance and practicality can be effectively improved, additionally it is possible to reduce the disqualification rate of battery in the production process.

Brief description of the drawings

Fig. 1 is the structural representation for the high-magnification cylindrical green polymer battery that the utility model embodiment provides Figure；

Fig. 2 is the pole piece membrane for the high-magnification cylindrical green polymer battery that the utility model embodiment provides Schematic cross-sectional view；

Fig. 3 is the plan structure for the high-magnification cylindrical green polymer battery that the utility model embodiment provides Schematic diagram；

Fig. 4 be the utility model embodiment provide high-magnification cylindrical green polymer battery positive plate just Lug deployed configuration schematic diagram.

In figure：

1st, positive plate；2nd, anode ear；3rd, anode microporosity separator；4th, pressure safety valve；5th, cathode microporosity separator；6th, silica gel Circle；7th, negative plate；8th, negative electrode lug；9th, cathode membrane；10th, concealed exhausting-gas hole；11st, shell；12nd, cathode conductive layer；13rd, bear Pole conductive layer；14th, negative electrode membrane.

Embodiment

Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.

As shown in Figure 1, Figure 2, Figure 3 and Figure 4, the utility model provides a kind of high-magnification cylindrical green polymer electricity Pond, including such as lower structure：Positive polar region, the anode area for being wrapped in the positive polar region, the shell 11 for being wrapped in the anode area；It is described Positive polar region includes such as lower structure：Positive plate 1, anode ear 2, cathode microporosity separator 5, cathode membrane 9, cathode conductive layer 12, first High molecular polymer electrolyte；The anode ear 2 is welded on 1 upper and lower ends of positive plate, the anode ear 2 with it is described just 1 length of pole piece is consistent, and coated on the positive plate 1, the cathode membrane 9 is placed in the first high molecular polymer electrolyte On the first high molecular polymer electrolyte, cathode laminated construction is formed, and be wound into along the cathode laminated construction side Cathode cylinder, winding ensure that the cathode cylinder core is the cathode membrane 9 at the same time；5 ring of cathode microporosity separator Around being fixed in around the anode ear 2 of the cathode cylinder upper and lower ends, the cathode conductive layer 12 be covered in it is described just On lug 2；The anode area includes such as lower structure：Negative plate 7, negative electrode lug 8, anode microporosity separator 3, negative electrode membrane 14, anode Conductive layer 13, the second high molecular polymer electrolyte；The negative electrode lug 8 is welded on 7 upper and lower ends of negative plate, the anode Ear 8 is consistent with 7 length of negative plate, and the second high molecular polymer electrolyte is coated on the negative plate 7, described negative Pole membrane 14 is placed on the second high molecular polymer electrolyte, anode laminated construction is formed, by the anode laminated construction Side continues to wind along the cathode cylinder, forms anode ring bodies, and winding ensures the anode ring bodies innermost layer at the same time It is the negative electrode membrane 14 with outermost layer, has rolled up when start to roll up anode after cathode, the inside will have membrane to completely cut off positive and negative anodes, That spools rear outside will have membrane isolation pole piece and shell；The anode microporosity separator 3 surround and is fixed in the anode ring bodies Around the negative electrode lug 8 of upper and lower ends, the anode conductive layer 13 is covered on the negative electrode lug 8, the periphery of anode ear 2 It is wound with silica gel ring 6.

Cathode conductive layer directly contacts with anode conductive layer and causes short circuit in order to prevent, described in the 6 height ratio of silica gel ring The low 1.5mm of height of anode ear 2.

In order to effectively be completely cut off, and the waste of membrane is not caused, the cathode membrane 9 and the height of the positive plate 1 Unanimously, the negative electrode membrane 14 and the negative plate 7 are highly consistent, and 1 height of the positive plate is high more than the negative plate 7 Degree, cathode membrane 9 and negative electrode membrane 14 use material can be identical, are macromolecule polypropylene film.

In order to further increase the security performance such as battery anti-explosion, anti-overcharge, the anode microporosity separator 3 is led with the anode Connect and pressure safety valve 4 is additionally provided among layer 13.The anode conductive layer 13 is provided with uniform arrangement at the silica gel ring 6 Concealed exhausting-gas hole 10, a diameter of 1 mm of the concealed exhausting-gas hole 10.Pressure safety valve 4 and concealed exhausting-gas hole 10 are equal Can be outwards vented when cell pressure is excessive reduces pressure, so as to achieve the purpose that explosion-proof.

The utility model is described with reference to the preferred embodiments, and those skilled in the art know, is not departing from this reality In the case of with new spirit and scope, various changes or equivalence replacement can be carried out to these features and embodiment.This reality It is not limited to the particular embodiment disclosed with new, other embodiments fallen into claims hereof all belong to In the scope of the utility model protection.

Claims

A kind of 1. high-magnification cylindrical green polymer battery, it is characterised in that：

Including such as lower structure：Positive polar region, the anode area for being wrapped in the positive polar region, the shell (11) for being wrapped in the anode area； The positive polar region includes such as lower structure：Positive plate (1), anode ear (2), cathode microporosity separator (5), cathode membrane (9), cathode are led Connect layer (12), the first high molecular polymer electrolyte；The anode ear (2) is welded on the positive plate (1) upper and lower ends, described For first high molecular polymer electrolyte coated on the positive plate (1), the cathode membrane (9) is placed in first macromolecule On polyelectrolyte, cathode laminated construction is formed, and cathode cylinder is wound into along the cathode laminated construction side, is wound Ensure that the cathode cylinder core is the cathode membrane (9) at the same time；The cathode microporosity separator (5) is described around being fixed in Around the anode ear (2) of cathode cylinder upper and lower ends, the cathode conductive layer (12) is covered in the anode ear (2) On；The anode area includes such as lower structure：It is negative plate (7), negative electrode lug (8), anode microporosity separator (3), negative electrode membrane (14), negative Pole conductive layer (13), the second high molecular polymer electrolyte；The negative electrode lug (8) is welded on the negative plate (7) upper and lower ends, For the second high molecular polymer electrolyte coated on the negative plate (7), the negative electrode membrane (14) is placed in described second On high molecular polymer electrolyte, anode laminated construction is formed, by the anode laminated construction side along the cathode cylinder Continue to wind, formed anode ring bodies, winding at the same time ensure the anode ring bodies innermost layer and outermost layer for the anode every Film (14)；The anode microporosity separator (3) is around the negative electrode lug (8) week for being fixed in the anode ring bodies upper and lower ends Enclose, the anode conductive layer (13) is covered on the negative electrode lug (8)；The anode ear (2) and the positive plate (1) length one Cause, the negative electrode lug (8) is consistent with the negative plate (7) length；Silica gel ring (6) is surrounded with outside the anode ear (2).
2. high-magnification cylindrical green polymer battery according to claim 1, it is characterised in that：The silica gel ring (6) Height is lower 1.5~3mm than the height of the anode ear (2).
3. high-magnification cylindrical green polymer battery according to claim 1, it is characterised in that：The cathode membrane (9) and the positive plate (1) is highly consistent, and the negative electrode membrane (14) and the negative plate (7) are highly consistent, and the cathode Piece (1) is highly more than the negative plate (7) height.
4. high-magnification cylindrical green polymer battery according to claim 1, it is characterised in that：The anode micropore every Plate (3) among the anode conductive layer (13) with being additionally provided with pressure safety valve (4).
5. high-magnification cylindrical green polymer battery according to claim 1, it is characterised in that：The anode conductive layer (13) silica gel ring (6) place is provided with evenly arranged concealed exhausting-gas hole (10).
6. high-magnification cylindrical green polymer battery according to claim 5, it is characterised in that：The concealed exhaust A diameter of 1~3mm in hole (10).