CN205564895U - Energy storage device on layer is piled to inside multicore - Google Patents
Energy storage device on layer is piled to inside multicore Download PDFInfo
- Publication number
- CN205564895U CN205564895U CN201620226521.3U CN201620226521U CN205564895U CN 205564895 U CN205564895 U CN 205564895U CN 201620226521 U CN201620226521 U CN 201620226521U CN 205564895 U CN205564895 U CN 205564895U
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- China
- Prior art keywords
- energy storage
- storage device
- core bag
- negative
- little
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000004146 energy storage Methods 0.000 title claims abstract description 66
- 230000004888 barrier function Effects 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 229910001416 lithium ion Inorganic materials 0.000 claims description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 7
- 238000003475 lamination Methods 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims description 2
- 229920000642 polymer Polymers 0.000 claims description 2
- 238000004804 winding Methods 0.000 claims description 2
- 229910018095 Ni-MH Inorganic materials 0.000 claims 1
- 229910018477 Ni—MH Inorganic materials 0.000 claims 1
- 230000005611 electricity Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 8
- 238000003466 welding Methods 0.000 description 7
- 239000007788 liquid Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 235000010210 aluminium Nutrition 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 4
- 229910052493 LiFePO4 Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000000178 monomer Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000004411 aluminium Substances 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910002986 Li4Ti5O12 Inorganic materials 0.000 description 1
- 229910032387 LiCoO2 Inorganic materials 0.000 description 1
- 229910015020 LiNiCoAlO2 Inorganic materials 0.000 description 1
- 229910015009 LiNiCoMnO2 Inorganic materials 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005087 graphitization Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
Classifications
-
- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Secondary Cells (AREA)
Abstract
The utility model provides an energy storage device on layer is piled to inside multicore, including the vertical stromatolite of the little core of quan jier of cuboid structure package pile up parallelly connected core package, just, the negative pole post is at the energy storage device of the same top surface of device apron and casing. Little core bao jier is full utmost point ear, can lead to overcurrent, adopt the vertical stromatolite of little core package to pile up parallelly connected core package structure, the core package does not have high restriction, and energy storage device does not have high restriction, just, the negative pole post is connected simply at the same top surface of device, the electricity of going here and there in groups, connecting in parallel to make energy storage device organize the electrical property that has high -energy and high power, simple structure, it is with low costs, can make full use of installation space.
Description
Technical field
This utility model relates to a kind of energy storage and manufactures field, is specifically related to the energy storage device of a kind of internal multicore stack layers.
Background technology
Energy storage device includes lithium ion battery and ultracapacitor etc., is widely used in the field such as electric automobile, energy storage.These applications need
Energy storage device system has high-energy and high-power electrical property, and simple in construction, it is possible to make full use of setting height(from bottom) space.
Generally use multiple element with small capacity monomers and be unified into the loong shunt increase-volume of Large Copacity device blocks, the method then connected, meeting electronic vapour
The big energy demand of the system such as car and energy storage.Multiple device loong shunts, owing to each device performance is inconsistent and the problem such as only one of which voltage measurement position,
When system uses, easily cause overcharge or the overdischarge of wherein device, device premature deterioration.The energy storage device of polymeric monomer capacity, it is possible to reduce or
Avoid the groups of parallel connection of energy storage device.
High power energy storage device, core bag uses full extreme ear structure, and positive and negative pole is generally separately positioned on energy storage device to side.So arrange just,
The energy storage device of negative terminal, at energy storage device the most also, series connection time, need to arrange connecting line and voltage acquisition line at device both sides pole, chunk is even
Line is complicated, limits its use to a certain extent.Need positive and negative pole at the high power energy storage device of same end face, make groups of wire and electricity
Pressure gathering line line is simple, and system structure is simple.Owing to internal laminations formula full lug core bag laterally (is perpendicular to the end face at device pole place, lower same)
Stable in placement is poor, it is impossible to be applied to this energy storage device.Interior roll wound full lug little core bag, horizontal stable in placement, can use, but energy storage
The height of device is equivalent to the broadband of takeup type core bag, and its size depends on up-coiler working ability.Limitation because of up-coiler manufacturing capacity, it is difficult to system
Make the positive and negative pole the highest, that monomer capacity the is big high power energy storage device at same end face.
Utility model content
For the problems referred to above, at this utility model, it is desirable to provide use multiple full lugs little core bag longitudinally (be parallel to the end face at device pole place,
The core pack arrangement that stack layers is in parallel the most together), solves to be difficult to manufacture positive and negative pole in high power energy storage same end face, the highest, that monomer capacity is big
Component problem.
According to the embodiment of this utility model technology, including core bag, cover plate of energy storage device and housing.Described energy storage device be first by negative plate,
Barrier film, positive plate, 4 layers of barrier film winding or multi-layer stacks make full lug little core bag, less core bag longitudinal direction lamination is piled up, and pass through conductive connecting piece
Connect the positive and negative electrode lug of each little core bag respectively, make core bag, then positive and negative with cover plate respectively the positive and negative electrode conductive connecting piece of core bag
Pole pole connects, and finally enters into housing, sealing, and fluid injection forms, it is characterised in that: the lug of described little core bag is full lug, described core bag by
Little core bag longitudinal direction lamination is piled up and is formed in parallel, and described positive and negative pole is on the same end face cover plate of device.Described energy storage device includes by electrification
Learn principle carry out the device of energy storage and carried out the device of energy storage by physical principle.
Further, the little core bag of the energy storage device of above-mentioned internal multicore stack layers is stacked rectangular structure, or takeup type rectangular structure.
Further, the little core bag of the energy storage device composition core bag of above-mentioned internal multicore stack layers is 2 or more than 2.
This utility model is suitable for the device of energy storage and includes being carried out the device of energy storage by electrochemical principle and being carried out the device of energy storage by physical principle.This storage
Can device be: lithium-ion energy storage device, polymer Li-ion energy storage device, nickel-hydrogen energy storage device, plumbic acid energy storage device, ultracapacitor energy storage device
Part, super energy storage device, mixed capacitor, electrochemical capacitor etc..
Feature of the present utility model is: little core bag lug is full lug, can lead to super-high-current；Little core bag longitudinal direction lamination is used to pile up core in parallel
Pack arrangement, core bag does not has limitation in height, energy storage device not to have limitation in height；Positive and negative pole at the same end face of device, being electrically connected of series and parallel in groups
Connecing simple, so that using the system of the energy storage device composition that this utility model manufactures, there is high-energy and high-power electrical property, simple in construction,
Low cost, it is possible to make full use of installing space.
Other features and advantages of the utility model the most fully present in described below.
Accompanying drawing explanation
The positive and negative pole of Fig. 1 is at the energy storage device contour structures of same end face
The positive and negative pole of Fig. 2 is at the energy storage device contour structures to side
The stacked rectangular structure of Fig. 3 little core bag
Fig. 4 takeup type rectangular structure little core bag
The core bag of Fig. 5 multicore stack layers
The positive and negative pole of Fig. 6 is in the energy storage device structure of same end face, the statement core bag of this utility model scheme, cover plate and shell structure relation
Detailed description of the invention
Below by example with reference, this utility model is described in detail, simultaneously by comparative illustration effect of the present utility model.Below
Embodiment simply meet the example of this utility model technology contents, do not illustrate that this utility model is only limitted to the content described in following example, according to this
The product of claim manufacture all belongs to this utility model content.
Fig. 1 describes the positive and negative pole energy storage device contour structures at same end face, energy storage device 101 profile visible by positive terminal 102, explosion-proof
Sheet 103, liquid injection hole 104 and the cover plate 106 of negative terminal 105 composition and housing 107, positive pole and negative pole pole are all at the end face of energy storage device.Fig. 2
Positive and negative pole described at the energy storage device contour structures to side, liquid injection hole 202, positive terminal 203, burst disk seen from energy storage device 201 profile
204, negative terminal 205 and housing 206, positive pole and negative pole pole respectively at energy storage device to side.Fig. 3 states the little core of stacked rectangular structure
Bag, little core bag 301 is folded by positive plate 305 order of barrier film 304, the negative plate 302 of outside sideband plain edge, barrier film 304 and outside sideband plain edge
Sheet, then becomes the full lug of negative pole 303, the welding of all positive plate 305 plain edges to become the full lug of positive pole together the welding of all negative plate 302 plain edges together
306 form.Fig. 4 states takeup type rectangular structure little core bag, and little core bag 401 is by barrier film 304, the negative plate 302 of outside sideband plain edge, barrier film
304 and the positive plate 305 of outside sideband plain edge be wound into cuboid circle, then the welding of all negative plate 302 plain edges is become the full lug of negative pole 303 together,
The welding of all positive plate 305 plain edges becomes the full lug of positive pole 306 to form together.Fig. 5 describes the core bag of multicore stack layers, and core bag 501 is by multiple little core bags
401 stack layers, with negative conductive connect sheet 502 and positive conductive connect sheet 503 respectively with the full lug of negative pole 303 and the full pole of positive pole of each little core bag
Ear 306 connects, and forms the core bag 501 of multicore stack layers.The positive and negative pole of Fig. 6 is at the energy storage device structural representation of same end face, energy storage device 101
It is made up of core bag 501, cover plate of energy storage device 106 and housing 107；Cover plate 106 arranges positive terminal 102, burst disk 103, liquid injection hole 104 and bears
Pole 105；The positive strap 503 of core bag 501 and negative straps 502 are connected with positive terminal 102 and the negative terminal 105 of cover plate 106 respectively,
Then put into housing 107, sealing, fluid injection, seal liquid injection hole, make energy storage device 101.
Embodiment 1
In order to this utility model is described, the present embodiment makes 220Ah cuboid lithium ion battery, and profile is as shown in Figure 1.Lithium-ion energy storage device
Positive electrode generally uses LiFePO4、LiNiCoMnO2、LiNiCoAlO2、LiMn2O4, LiCoO2 or two of which mixture, negative pole material
Material uses C, Li4Ti5O12, Si or its compound, Sn or its compound, electrolyte uses 1.2MLiPF6+ EC+EMC, barrier film employing PE film,
PP film, PP/PE film, scribble SiO2Or Ai2O3PE composite membrane.
Make the positive and negative pole cover plate of energy storage device 106 at same end face in advance, use thickness 1mm aluminium sheet, be cut into 58 × 135mm, and press
Position according to design is outputedBurst disk installing hole,Liquid injection hole 104 and the hole of pole is installed；Positive terminal 102 and negative terminal
105 aluminiums being respectively adopted 10 × 10mm and copper material are made；Then burst disk 103, positive terminal 102 and negative terminal 105 are installed to corresponding hole
Go up or in hole.
Use LiFePO4It is positive and negative electrode material with graphite C.Respectively LiFePO4With graphite C according to certain ratio dispensing, homogenate, it is coated with
Overlay on aluminium foil and the Copper Foil position of setting, roll, cut, make 55 × 124mm, that length direction leaves the 11mm of a row culture collector is wide
It is not coated with LiFePO4The positive plate 305 of plain edge, 57 × 125mm, length direction leave the plain edge of the non-graphitization wide for 10mm of a row culture collector
Cathode pole piece 302, scribble AI2O3PE composite diaphragm cut into 58 × 124mm diaphragm 304, then according to diaphragm 304, negative pole pole
Sheet 302, diaphragm 304 and positive plate 305 order build up thickness 9mm little core bag；With ultrasonic bonding, or laser welding, or clinching method divides
The positive and negative plate plain edge of other little core bag is connected as a single entity, and makes the full lug of positive pole 306 and the full lug of negative pole 303, completes stacked rectangular structure
The making of little core bag 301.
30 little core bag 301 anode ears to anode ear, negative electrode lug anticathode ear stack layers, with copper conductive connecting piece 502 and aluminum conductive connecting piece
503 connect with the full lug of negative pole 303 and positive pole full lug 306 ultrasonic bonding of each little core bag, or laser welding, or clinching method respectively,
Form the core bag 501 of multicore stack layers.
The positive conductive of core bag 501 connects sheet 503 and negative conductive connect sheet 502 respectively with positive terminal 102 and the negative terminal 105 of cover plate 106
With ultrasonic bonding, or laser welding, or clinching method connects, and then core bag 501 is put into material 0.8mm thick, thickness 58mm width 135mm
In high 275mm aluminum enclosure 107, then dry, inject 1.2MLiPF6+ EC+EMC electrolyte, seals liquid injection hole, chemical conversion, makes lithium-ion electric
Pond 101.Charging with CC+CV (110A, 3.65V), 220A constant-current discharge to 2.5V is tested, and rated capacity is 221Ah.High power fills, puts
Electrical testing: charging with CC+CV (440A, 3.65V), 660A constant-current discharge to 2.5V, measurement result: battery capacity 210Ah, for specified appearance
The 95% of amount.
Embodiment 2
Making 220Ah cuboid lithium ion battery, profile is as shown in Figure 1.In addition to little core bag uses takeup type rectangular structure, other is with real
Execute the making battery material of example 1, method and equivalently-sized.Positive and negative plate application width and plain edge broadband are same as in Example 1；Entire volume just,
Cathode pole piece cuts into positive plate wide for 124mm and 125mm volume 305 and cathode pole piece volume 302 respectively, and it is wide that entire volume barrier film is cut into 124mm
Diaphragm volume 304；The little core bag of thickness 9mm, length 134mm, width 56mm it is rolled into up-coiler, with ultrasonic bonding, or Laser Welding
Connect, or clinching method is connected as a single entity the positive and negative plate plain edge of little core bag respectively, make the full lug of positive pole 306 and the full lug of negative pole 303, volume
Wound rectangular structure little core bag 401；By embodiment 1 same procedure, 30 little core bag 401 stack layers, make core bag 501, assembled battery 101；
Charging with CC+CV (110A, 3.65V), 220A constant-current discharge to 2.5V is tested, and rated capacity is 219Ah.High power charge and discharge are tested:
Charging with CC+CV (440A, 3.65V), 660A constant-current discharge to 2.5V, measurement result: battery capacity 207Ah, for the 94.5% of rated capacity.
Embodiment 3
Make 22000F ultracapacitor, except positive pole and negative material use 1500m equally2The activated carbon of/g, negative current collector are aluminium foil, lead
Electric connecting sheet 502 changes aluminium and electrolyte into and uses outside 1.2M TEABF4+PC, other making 220Ah cuboid lithiums with embodiment 1 from
Sub-battery methods and equivalently-sized.22000F ultracapacitor 101 size is identical with embodiment 1 battery 101, and profile is as shown in Figure 1.Capacitor
Charging to 2.7V, 1000A constant-current discharge with 1000A test to 1.35V, recording rated capacity is 22000F.
Claims (4)
1. the energy storage device of internal multicore stack layers, described energy storage device is to be carried out the device of energy storage by electrochemical principle or carried out the device of energy storage by physical principle, and this device includes: core bag, cover plate of energy storage device and housing；Described energy storage device is by negative plate, barrier film, positive plate, 4 layers of barrier film winding or multi-layer stacks make full lug little core bag, again little core bag longitudinal direction lamination is piled up, just each little core bag is connected respectively by conductive connecting piece, negative lug, make core bag, then core bag just, negative conductive respectively with cover plate is just connecting sheet, negative pole pole connects, last core wraps into into housing, sealing, fluid injection forms, it is characterized in that: the lug of described little core bag is full lug, described core bag is piled up by little core bag longitudinal direction lamination and is formed in parallel, described just, negative terminal is on the same end face cover plate of device.
The energy storage device of internal multicore stack layers the most according to claim 1, it is characterised in that: little core bag is stacked rectangular structure, or takeup type rectangular structure.
The energy storage device of internal multicore stack layers the most according to claim 1, it is characterised in that: the little core bag of composition core bag is more than 2.
The energy storage device of internal multicore stack layers the most according to claim 1, it is characterised in that: described energy storage device is lithium ion battery, polymer Li-ion battery, Ni-MH battery, lead-acid battery, ultracapacitor battery, mixed capacitor or electrochemical capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620226521.3U CN205564895U (en) | 2016-03-18 | 2016-03-18 | Energy storage device on layer is piled to inside multicore |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620226521.3U CN205564895U (en) | 2016-03-18 | 2016-03-18 | Energy storage device on layer is piled to inside multicore |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205564895U true CN205564895U (en) | 2016-09-07 |
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ID=56815915
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620226521.3U Expired - Fee Related CN205564895U (en) | 2016-03-18 | 2016-03-18 | Energy storage device on layer is piled to inside multicore |
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| Country | Link |
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| CN (1) | CN205564895U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609882A (en) * | 2016-03-18 | 2016-05-25 | 庄新国 | Energy storage device with multiple cores stacked inside |
-
2016
- 2016-03-18 CN CN201620226521.3U patent/CN205564895U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105609882A (en) * | 2016-03-18 | 2016-05-25 | 庄新国 | Energy storage device with multiple cores stacked inside |
| CN105609882B (en) * | 2016-03-18 | 2024-06-04 | 东莞烯谷新能源科技有限公司 | Energy storage device with internal multi-core stacked layers |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |