CN206225477U - A kind of flexible battery - Google Patents
A kind of flexible battery Download PDFInfo
- Publication number
- CN206225477U CN206225477U CN201621065152.0U CN201621065152U CN206225477U CN 206225477 U CN206225477 U CN 206225477U CN 201621065152 U CN201621065152 U CN 201621065152U CN 206225477 U CN206225477 U CN 206225477U
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- China
- Prior art keywords
- connecting strap
- negative
- positive
- positive pole
- pole ear
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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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- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
A kind of flexible battery, including more than two single battery cores and aluminum plastic film, aluminum plastic film include drain pan and face-piece, and bottom surface is provided with more than two pits, and single battery core is arranged in the pit；Positive connecting strap and negative connecting strap are respectively provided on two sides with aluminum plastic film, positive pole ear and negative lug are drawn respectively in the two ends of single battery core, positive connecting strap is located at positive pole ear side, positive pole ear is electrically connected with after bending inwards with positive connecting strap, negative connecting strap is located at negative lug side, and negative lug is electrically connected with after bending inwards with negative connecting strap；Positive connecting strap, negative connecting strap, positive pole ear and negative lug surface are provided with insulating barrier.It is collected in aluminum plastic film after positive pole ear and the negative lug connection that battery core monomer is drawn, so that the volume of whole flexible battery is smaller, therefore installing space needed for it is smaller；Flexible battery of the present utility model is higher than the energy density of existing flexible battery under same volume.
Description
Technical field
The utility model is related to lithium ion battery, especially a kind of bent flexible battery.
Background technology
Electronic equipment generally existing in society, from Portable mobile phone to wrist-watch, electronic equipment is visible everywhere.These electronics
Certain compact power is much required in equipment.It is many with unique form factor in these electronic equipments, therefore,
The compact power of any one electronic equipment possibly cannot be assembled in any other electronic equipment.Additionally, these uniquenesses
Form factor is frequently necessary to flexible battery arrangement, and conventional batteries group is usually excessively firm, repeatedly bending they may cause electricity
Pool unit is damaged and battery failures.Attempt accommodate non-flexible cells group as a result, the package dimension of portable electric appts can
Can be undesirable.As wearable smart machine is fast-developing, need to research and develop can meet its " thin, different in nature, bent, energy density is high "
The features such as flexible battery used for it.
Existing there are many flexible battery groups, such as China Patent Publication No. be 103824985 a kind of flexible battery group and
Its manufacture method, flexible battery group includes：Aluminum plastic film, the multiple punching holes for setting in the width direction, multiple batteries, each battery tool
There is the electrolyte of battery core, positive pole ear and negative lug and injection, the positive pole ear of multiple batteries links together, adjacent
Battery between it is mutually isolated；And polylith silica gel, the side for rushing hole that each silica gel passes through the glue battery adjacent with its both sides
The aluminum plastic film in face and the aluminum plastic film rushed between the hole bonding with two adjacent batteries.This kind of positive pole ear of flexible battery group
Drawn in the same side of battery pack with negative lug, positive pole ear is interleaved together with negative lug, is susceptible to short circuit, exists
Potential safety hazard；In addition, therefore drawing the multiple positive pole ears and negative lug outside battery, the volume of battery pack is occupied, not only
Be inconvenient to install, and, the energy density of battery is low.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of flexible battery, and small volume, energy density is high.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of flexible battery, including it is more than two
Battery core monomer and aluminum plastic film, the aluminum plastic film include drain pan and face-piece, and the bottom surface is provided with more than two pits, the electricity
Core monomer is arranged in the pit；Positive connecting strap and negative connecting strap are respectively provided on two sides with the aluminum plastic film, it is described
Positive pole ear and negative lug are drawn in the two ends of battery core monomer respectively, and the positive connecting strap is located at positive pole ear side, described
Positive pole ear is electrically connected with after bending inwards with positive connecting strap, and the negative connecting strap is located at negative lug side, described negative
Pole lug is electrically connected with after bending inwards with negative connecting strap；The positive connecting strap, negative connecting strap, positive pole ear and negative pole
Lug surface is provided with insulating barrier.The positive pole ear and negative lug that the utility model draws battery core monomer are collected in aluminium after connecting
In plastic film, so that the volume of whole flexible battery is smaller, therefore installing space needed for it is smaller；This practicality under same volume
New flexible battery is higher than the energy density of existing flexible battery.
Used as improvement, one end of the positive connecting strap draws to form positive pole ear welding piece from one end of flexible battery,
Draw to form negative lug welding piece from one end of flexible battery in one end of the negative connecting strap.Strip of the present utility model
Flexible battery lug head draw, the structure is more reasonable, and occupies little space.
Used as improvement, the junction between adjacent pit is provided with silica gel block, strengthens the bending ability of flexible battery.
Used as improvement, the distance between adjacent pit is 3 ~ 5cm.
Used as improvement, the positive pole ear and negative lug bend along the edge of battery core monomer, diminution flexible electrical as far as possible
The volume in pond, and such lug, closer to the surface of battery core monomer, the stationarity of lug is more preferable.
The beneficial effect that the utility model is brought compared with prior art is：
The positive pole ear and negative lug that the utility model draws battery core monomer are collected in aluminum plastic film after connecting, so that
So that the volume of whole flexible battery is smaller, therefore installing space needed for it is smaller；Flexibility of the present utility model under same volume
Battery is higher than the energy density of existing flexible battery.
Brief description of the drawings
Fig. 1 is the schematic diagram before lug does not bend.
Fig. 2 is the schematic diagram after lug bending.
Fig. 3 is the outside drawing of flexible battery.
Specific embodiment
With reference to Figure of description, the utility model is described in further detail.
As shown in figure 3, a kind of flexible battery, including more than two battery core monomers 4 and aluminum plastic film 9, the aluminum plastic film 9 is wrapped
Include drain pan 1 and face-piece, the bottom surface 1 is provided with more than two pits, the length of pit is recessed than the length 1.5mm of battery core monomer 4
The width in hole 1.5mm bigger than the width of battery core monomer 4, the thickness 0.5mm smaller than the thickness of battery core monomer 4 of pit, it is two neighboring
The direct spacing of pit is 4cm.The battery core monomer 4 is arranged in the pit, after face-piece doubling with drain pan 1 coordinate so as to
Battery core monomer 4 is wrapped up.As shown in Figure 1, 2, positive connecting strap 2 and negative pole connection are respectively provided on two sides with the aluminum plastic film 9
Band 3, positive connecting strap 2 and negative connecting strap 3 are close to the back side of battery core monomer 4, and the two ends of the battery core monomer 4 are drawn just respectively
Pole lug 5 and negative lug 6, the positive connecting strap 2 are located at the side of positive pole ear 5, and the positive pole ear 5 is along battery core monomer 4
Edge bend inwards after be electrically connected with positive connecting strap 2；The negative connecting strap 3 is located at the side of negative lug 6, described negative
Pole lug 6 is electrically connected with after being bent inwards along the edge of battery core monomer 4 with negative connecting strap 3.In order that in aluminum plastic film 9
Positive pole ear 5, negative lug 6, positive connecting strap 2 and negative connecting strap 3 can insulate, the connection of the positive connecting strap 2, negative pole
Band 3, positive pole ear 5 and the surface of negative lug 6 are provided with insulating barrier.Segment length's CPP cladded types aluminum strips such as the use of the positive pole ear 5 connect
Connect, the negative lug 6 using etc. the connection of segment length's CPP cladded types nickel bar, the insulation processing mode is for patch insulating cement or applies exhausted
Edge layer.Junction between adjacent pit is provided with silica gel block, strengthens the bending ability of flexible battery.As shown in figure 3, the positive pole
One end of connect band 2 draws to form positive pole ear welding piece 7 from one end of flexible battery, one end of the negative connecting strap 3 from
Draw to form negative lug welding piece 8 in one end of flexible battery；The lug of the flexible battery of strip of the present utility model is in head
Portion draws, and the structure is more reasonable, and occupies little space.
The preparation method of the utility model flexible battery：The positive pole ear 5 of battery is connected to one by positive connecting strap 2
Rise, negative lug 6 is connected together by negative connecting strap 3；By 6 points of the positive pole ear 5 of electrical monomer both sides and negative lug
Do not bent to the battery core back side along battery core edge, insulating barrier is coated in bending place and junction；By aluminum plastic film 9 along battery core closure
The airbag of multiple 4cm is left on doubling, right side, and to the sealing-in one by one by the bottom of aluminum plastic film 9 of each pit, sealing temperature 185
DEG C, sealing time 10.0s, sealing-in pressure 0.6MPa；The vertical with doubling direction of each pit is entered without air bag side afterwards
Row side seal, 185 DEG C of side seal temperature, sealing time 10.0s, sealing-in pressure 0.6MPa, and closedtop are completed, 185 DEG C of closedtop temperature, envelope
Meet time 4.0s, sealing-in pressure 0.4MPa；Electrolyte is injected in pit air bag side battery core opening, and battery core is melted into, and is melted into
After vacuumize degasification excision airbag, pumpdown time 8-10s, vacuum -85KPa, 190 DEG C of sealing temperature, sealing time 4s, envelope
Pressure 0.35MPa is met, encapsulation is completed, and forms battery pack.
The positive pole ear 5 and negative lug 6 that the utility model draws battery core monomer 4 are collected in aluminum plastic film 9 after connecting,
So that the volume of whole flexible battery is smaller, therefore installing space needed for it is smaller；It is of the present utility model under same volume
Flexible battery is higher than the energy density of existing flexible battery.
Claims (5)
1. a kind of flexible battery, it is characterised in that：Including more than two single battery cores and aluminum plastic film, the aluminum plastic film includes bottom
Shell and face-piece, the drain pan are provided with more than two pits, and the single battery core is arranged in the pit；The aluminum plastic film
Interior is respectively provided on two sides with positive connecting strap and negative connecting strap, and the two ends of the single battery core are drawn positive pole ear and born respectively
Pole lug, the positive connecting strap is located at positive pole ear side, and the positive pole ear is electrical with positive connecting strap after bending inwards
Connection, the negative connecting strap is located at negative lug side, and the negative lug electrically connects after bending inwards with negative connecting strap
Connect；The positive connecting strap, negative connecting strap, positive pole ear and negative lug surface are provided with insulating barrier.
2. a kind of flexible battery according to claim 1, it is characterised in that：One end of the positive connecting strap is from flexible electrical
The one end in pond draws to form positive pole ear welding piece, and one end of the negative connecting strap draws to form negative from one end of flexible battery
Pole tab welding piece.
3. a kind of flexible battery according to claim 1, it is characterised in that：Junction between adjacent pit is provided with silica gel
Block.
4. a kind of flexible battery according to claim 1, it is characterised in that：The distance between adjacent pit is 3 ~ 5cm.
5. a kind of flexible battery according to claim 1, it is characterised in that：The positive pole ear and negative lug are along battery core
The edge bending of monomer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065152.0U CN206225477U (en) | 2016-09-20 | 2016-09-20 | A kind of flexible battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621065152.0U CN206225477U (en) | 2016-09-20 | 2016-09-20 | A kind of flexible battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206225477U true CN206225477U (en) | 2017-06-06 |
Family
ID=58781580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621065152.0U Active CN206225477U (en) | 2016-09-20 | 2016-09-20 | A kind of flexible battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206225477U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109103494A (en) * | 2018-07-24 | 2018-12-28 | 安普瑞斯（无锡）有限公司 | A kind of flexible polymer Li-ion battery group |
| CN110661035A (en) * | 2018-06-29 | 2020-01-07 | 成都市银隆新能源有限公司 | Single battery cell, flexible battery pack and preparation method of flexible battery pack |
| CN112736293A (en) * | 2020-12-30 | 2021-04-30 | 惠州市惠德瑞锂电科技股份有限公司 | Preparation method of soft package lithium metal battery |
| WO2021143625A1 (en) * | 2020-01-13 | 2021-07-22 | 比亚迪股份有限公司 | Battery, battery module, battery pack, and electric vehicle |
| WO2023000277A1 (en) * | 2021-07-22 | 2023-01-26 | 京东方科技集团股份有限公司 | Flexible battery and electronic device |
-
2016
- 2016-09-20 CN CN201621065152.0U patent/CN206225477U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110661035A (en) * | 2018-06-29 | 2020-01-07 | 成都市银隆新能源有限公司 | Single battery cell, flexible battery pack and preparation method of flexible battery pack |
| CN109103494A (en) * | 2018-07-24 | 2018-12-28 | 安普瑞斯（无锡）有限公司 | A kind of flexible polymer Li-ion battery group |
| WO2021143625A1 (en) * | 2020-01-13 | 2021-07-22 | 比亚迪股份有限公司 | Battery, battery module, battery pack, and electric vehicle |
| CN112736293A (en) * | 2020-12-30 | 2021-04-30 | 惠州市惠德瑞锂电科技股份有限公司 | Preparation method of soft package lithium metal battery |
| WO2023000277A1 (en) * | 2021-07-22 | 2023-01-26 | 京东方科技集团股份有限公司 | Flexible battery and electronic device |
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