CN206340617U - A kind of circular ring type lithium ion battery - Google Patents
A kind of circular ring type lithium ion battery Download PDFInfo
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- CN206340617U CN206340617U CN201621459958.8U CN201621459958U CN206340617U CN 206340617 U CN206340617 U CN 206340617U CN 201621459958 U CN201621459958 U CN 201621459958U CN 206340617 U CN206340617 U CN 206340617U
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- annulus
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- lithium ion
- ion battery
- negative plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model, which is related in a kind of circular ring type lithium ion battery, including annular shell, annular shell, is filled with positive and negative plate；Positive and negative plate is punched to connect by matrix between some electrode slice annulus, electrode slice annulus using punching cutter, an external anode ear in end of positive plate, an external negative electrode lug in end of negative plate；The electrode slice annulus of positive plate and the electrode slice annulus of negative plate are by together with relatively Z-shaped intersection lamination, the circle diameter two ends of anode ear and negative electrode lug in lamination homonymy end, barrier film is separated between adjacent positive piece annulus and negative plate annulus, lamination assembling is shaped as battery bag；The inner and outer rings footpath of negative plate annulus mutually should be greater than the inner and outer rings footpath of positive plate annulus respectively；Toroidal cavity is provided with annular shell, battery bag is installed in the groove of annular shell.The utility model makes simple, practical, easily produces and suitable for each mobile device and wearable device.
Description
Technical field
The utility model is related to technical field of lithium ion, and in particular to a kind of circular ring type lithium ion battery.
Background technology
Lithium ion is with its high-energy-density, the advantages of high working voltage, long circulation life Environmental Safety, all the time
Largely general use is obtained in portable type electronic product.As electronics industry is continued to develop, portable consumer electronics product function
It is more and more, increasingly improve powerful, especially the appearance of smart mobile phone, panel computer, wearable device, its is powerful,
Component is various, larger to electrical demand, and charge and discharge number of times frequently, pacify by the battery energy density arrived to random fit, cycle life
Full performance requirement more and more higher.Mobile device, wearable device lithium ion battery external form species are more.The utility model is directed to present situation
A kind of circular ring type lithium ion battery is provided, has stronger manufacture and application in mobile device, wearable field.
Utility model content
The purpose of this utility model is that there is provided a kind of annular flexible package aluminum plastic film polymer lithium for existing technology vacancy
Ion battery, it makes simple, practical, easily produced and suitable for each mobile device and wearable device.
To solve above-mentioned technical problem, the technical scheme that the utility model is provided is：
Positive and negative plate is filled with a kind of circular ring type lithium ion battery, including annular shell, the annular shell；
The positive and negative plate is punched to connect by matrix between some electrode slice annulus, electrode slice annulus using punching cutter, described
One external anode ear in end of positive plate, an external negative electrode lug in end of the negative plate；The electrode slice of the positive plate
The electrode slice annulus of annulus and negative plate is by the way that together with relatively Z-shaped intersection lamination, anode ear and negative electrode lug are at lamination homonymy end
The circle diameter two ends at end, between adjacent positive piece annulus and negative plate annulus between be separated with barrier film, lamination assembling is shaped as electricity
Chi Xin bags；The inner and outer rings footpath of the negative plate annulus mutually should be greater than the inner and outer rings footpath of positive plate annulus respectively；The annular
Toroidal cavity is provided with shell, the battery bag is installed in toroidal cavity, the positive and negative lug is from toroidal cavity
Top is drawn, and the toroidal cavity is encapsulated by capping.
Connected between the positive plate annulus by foil substrate；Connected between the negative plate annulus by Copper Foil matrix
Connect.
The annular shell is plastic-aluminum putamina, and the battery bag is filled in the toroidal cavity of plastic-aluminum putamina.
The internal diameter of the electrode slice annulus is 3-60mm, and external diameter is 5-100mm.
The corresponding inner and outer rings footpath than positive plate annulus increases 1.5mm respectively in the inner and outer rings footpath of the negative plate annulus.
The internal diameter of the annular shell is 2-55mm, and external diameter is 6-110mm.
The length of the matrix connected between the electrode slice annulus is 2~70mm, and width is 2~20mm.
The circular ring type lithium ion battery thickness is 1~20mm.
The electrode slice annulus being punched is connected with foil substrate, is stained with pair in positive plate annulus, negative plate ring textures
After the barrier film for answering size, it is stacked to form an electrode group in an interleaved manner, assembling stack manner can be positive pole before this
Or negative pole, wherein to follow the complete clad anode of negative pole, the face or region of no negative pole material can not have anode electrode material.Make
Battery bag be put into prepare rush film shaping plastic-aluminum shell in, by circle heating end socket aluminum plastic film is encapsulated, reserve
Lug be connected with external equipment and realize charging/discharging function.
The utility model using punching cutter by electrode fabrication into annulus continuous type mode, electrode slice one-step punching in place,
Lamination is easy, by positive and negative electrode together with barrier film lamination after, be equipped in aluminum plastic film and be packaged obtained circular battery.Its electricity
Pond is hollow outer shroud, is applicable to each field of mobile equipment, especially there is higher applicability in wearable device.
Brief description of the drawings
Fig. 1：The structural representation of positive plate, negative plate.
Fig. 2：The structural representation of battery bag.
Fig. 3：The side structure schematic view of battery bag.
Fig. 4：The dimensional structure diagram of battery bag.
Fig. 5：The structural representation of annular shell.
Fig. 6：The cross-sectional view of battery bag in annular shell.
Fig. 7：The dimensional structure diagram of packaged circular ring type lithium ion battery.
Embodiment
With reference to specific embodiment, the utility model is described in further detail.
Positive plate 3 is filled with a kind of circular ring type lithium ion battery, including annular shell 1, the annular shell, is born
Pole piece 4；The positive and negative plate is punched to pass through matrix 5 between some electrode slice annulus 6, electrode slice annulus using punching cutter
Connection, the external anode ear 7 in an end of the positive plate 3, the external negative electrode lug 8 in an end of the negative plate 4；It is described just
The electrode slice annulus of pole piece 3 and the electrode slice annulus of negative plate 4 are by together with relatively Z-shaped intersection lamination, anode ear 7 and negative pole
Ear 8 at the circle diameter two ends of lamination homonymy end, between adjacent positive piece annulus and negative plate annulus between be separated with barrier film 9,
Lamination assembling is shaped as battery bag 2；The inner and outer rings footpath of the negative plate annulus mutually should be greater than respectively positive plate annulus it is interior,
External loop diameter；Toroidal cavity 10 is provided with the annular shell, the battery bag 2 is installed in toroidal cavity 10, institute
State positive and negative lug to draw above toroidal cavity, the toroidal cavity is encapsulated by capping.
Connected between the positive plate annulus by foil substrate；Connected between the negative plate annulus by Copper Foil matrix
Connect.The annular shell 1 is plastic-aluminum putamina, and the battery bag 2 is filled in the toroidal cavity 10 of plastic-aluminum putamina.
The internal diameter d of the electrode slice annulus is 3-60mm, and outer diameter D is 5-100mm.The inner and outer rings of the negative plate annulus
The corresponding inner and outer rings footpath than positive plate annulus increases 1.5mm respectively in footpath.The internal diameter h of the annular shell is 2-55mm, external diameter
H is 6-110mm.The length a of the matrix connected between the electrode slice annulus is 2~70mm, and width b is 2~20mm.The circle
Annular lithium ion battery thickness is 0.3~20mm.
The pole described in the utility model for using the positive and negative plate that punching cutter is punched to be coated with electrode active material
Piece, coats adoptable material and method is techniques well known, is not specifically noted herein.
Battery capacity below to circular ring type lithium ion battery, size are measured, the particular content such as material used
Only measuring is carried out to circular ring type lithium ion battery of the present utility model to be illustrated, and non-specifically is limited.
Embodiment 1
By positive active material LiCo2, positive electrode binder PVDF, conductive agent carbon black, solvent NMP is with ratio 100：
1.6.1.2：45 batching mode dispensing is mixed to prepare slurry, and slurry is coated uniformly on into aluminium foil afflux using transfer coated mode
On body it is two-sided and dry, roll, cut after be prepared into anode pole piece.Negative electrode active material graphite, negative pole dispersing agent C MC, negative pole
Binding agent SBR, conductive agent conductive carbon black and aqueous solvent are with ratio 100：2：3：2：90 mode dispensing is mixed to prepare slurry.Will slurry
Material is coated uniformly on two-sided in copper foil current collector and dried, rolled using transfer coated mode, be punched after be prepared into thickness
130um, circular inner diameter 1. 10mm, circular outer diameter 2. 20mm anode pole piece, its correspondence negative electrode inner and outer ring footpath accordingly increase
1.5mm。
Positive and negative plate obtained above is pressed into Z-shaped lamination process into one together with barrier film (PP/PE/PP) by certain
Square lithium-ion battery core, enter to be made after shell (plastic-aluminum packaging film is formed), fluid injection and there must be the lithium ion battery of electrolyte.Through pre- chemical conversion
Afterwards.Exhaust sealing, trimming, normal temperature standing are after 3 days, sorting capacity (charging：0.5 charges to 4.35V, and constant-voltage charge is small to electric current
In 0.02C, electric discharge is discharged to 3.0V with 0.5C) 3.86V is charged to 0.5C measure its thickness and capacity, finished product electricity
Pond.
Embodiment 2
The raw material that the present embodiment is used with embodiment 1, production stage, detection method are essentially identical, unique difference
Place, this example provide positive pole thickness 130um, circular inner diameter 1. 10mm, circular outer diameter 2. 25mm anode pole piece, its correspondence negative electricity
Pole inner and outer ring footpath accordingly increases 1.5mm.
Embodiment 3
The raw material that the present embodiment is used with embodiment 1, production stage, detection method are essentially identical, unique difference
Place, this example provide positive pole thickness 130um, circular inner diameter 1. 20mm, circular outer diameter 2. 37mm anode pole piece, its correspondence negative electricity
Pole inner and outer ring footpath accordingly increases 1.5mm.
Embodiment 4
The raw material that the present embodiment is used with embodiment 1, production stage, detection method are essentially identical, unique difference
Place, this example provide positive pole thickness 130um, circular inner diameter 1. 20mm, circular outer diameter 2. 45mm anode pole piece, its correspondence negative electricity
Pole inner and outer ring footpath accordingly increases 1.5mm
As shown in Table 1, the lithium ion resultant battery prepared using the utility model has higher capacitance linearity ratio, this reality
Used and practical application with all great operability of the electrode fabrication mode and battery appearance of new offer.
The above, is only preferred embodiment of the present utility model, not makees any formal limit to the utility model
System, any those skilled in the art are not being departed from the range of technical solutions of the utility model, according to of the present utility model
Technical spirit, any simple modification, equivalent and the improvement made to above example etc., still fall within the utility model
Within the protection domain of technical scheme.
Claims (8)
1. a kind of circular ring type lithium ion battery, it is characterised in that：Including annular shell, it is filled with the annular shell
Positive and negative plate；The positive and negative plate is punched to pass through base between some electrode slice annulus, electrode slice annulus using punching cutter
Body is connected, an external anode ear in end of the positive plate, an external negative electrode lug in end of the negative plate；The positive pole
The electrode slice annulus of piece and the electrode slice annulus of negative plate are by the way that together with relatively Z-shaped intersection lamination, anode ear and negative electrode lug exist
The circle diameter two ends of lamination homonymy end, between adjacent positive piece annulus and negative plate annulus between be separated with barrier film, stack of laminations
Dress up to form battery bag；The inner and outer rings footpath of the negative plate annulus mutually should be greater than the inner and outer rings footpath of positive plate annulus respectively；
Toroidal cavity is provided with the annular shell, the battery bag is installed in toroidal cavity, the positive and negative lug from
Drawn above toroidal cavity, the toroidal cavity is encapsulated by capping.
2. circular ring type lithium ion battery according to claim 1, it is characterised in that：Pass through aluminium between the positive plate annulus
Paper tinsel matrix is connected；Connected between the negative plate annulus by Copper Foil matrix.
3. circular ring type lithium ion battery according to claim 1, it is characterised in that：The annular shell is aluminum plastic film
Shell, the battery bag is filled in the toroidal cavity of plastic-aluminum putamina.
4. circular ring type lithium ion battery according to claim 1, it is characterised in that：The internal diameter of the electrode slice annulus is 3-
60mm, external diameter is 5-100mm.
5. circular ring type lithium ion battery according to claim 1, it is characterised in that：The inner and outer rings of the negative plate annulus
The corresponding inner and outer rings footpath than positive plate annulus increases 1.5mm respectively in footpath.
6. circular ring type lithium ion battery according to claim 1, it is characterised in that：The internal diameter of the annular shell is 2
~55mm, external diameter is 6-110mm.
7. circular ring type lithium ion battery according to claim 1, it is characterised in that：Connected between the electrode slice annulus
The length of matrix is 2~70mm, and width is 2~20mm.
8. circular ring type lithium ion battery according to claim 1, it is characterised in that：The circular ring type lithium ion battery thickness
For 1~20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459958.8U CN206340617U (en) | 2016-12-29 | 2016-12-29 | A kind of circular ring type lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621459958.8U CN206340617U (en) | 2016-12-29 | 2016-12-29 | A kind of circular ring type lithium ion battery |
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| Publication Number | Publication Date |
|---|---|
| CN206340617U true CN206340617U (en) | 2017-07-18 |
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ID=59304457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621459958.8U Active CN206340617U (en) | 2016-12-29 | 2016-12-29 | A kind of circular ring type lithium ion battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109818080A (en) * | 2018-12-07 | 2019-05-28 | 力神动力电池系统有限公司 | The hollow type winding-structure of lithium battery electric core |
| CN113169403A (en) * | 2018-11-30 | 2021-07-23 | 唐裔隆 | Power supply equipment and parts thereof (Battery tray) |
| CN114914590A (en) * | 2022-05-27 | 2022-08-16 | 重庆市紫建新能源有限公司 | Manufacturing method of circular battery and circular battery thereof |
-
2016
- 2016-12-29 CN CN201621459958.8U patent/CN206340617U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113169403A (en) * | 2018-11-30 | 2021-07-23 | 唐裔隆 | Power supply equipment and parts thereof (Battery tray) |
| CN109818080A (en) * | 2018-12-07 | 2019-05-28 | 力神动力电池系统有限公司 | The hollow type winding-structure of lithium battery electric core |
| CN114914590A (en) * | 2022-05-27 | 2022-08-16 | 重庆市紫建新能源有限公司 | Manufacturing method of circular battery and circular battery thereof |
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