CN203674273U - Specially-shaped lithium battery module - Google Patents
Specially-shaped lithium battery module Download PDFInfo
- Publication number
- CN203674273U CN203674273U CN201320860271.5U CN201320860271U CN203674273U CN 203674273 U CN203674273 U CN 203674273U CN 201320860271 U CN201320860271 U CN 201320860271U CN 203674273 U CN203674273 U CN 203674273U
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- China
- Prior art keywords
- shaped
- special
- specially
- battery module
- battery
- Prior art date
- 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 - Lifetime
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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 9
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 9
- 238000012544 monitoring process Methods 0.000 claims abstract description 15
- 239000000919 ceramic Substances 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims abstract description 6
- 229920000642 polymer Polymers 0.000 claims description 7
- 229910001416 lithium ion Inorganic materials 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 3
- 210000005069 ears Anatomy 0.000 claims description 2
- 238000005192 partition Methods 0.000 abstract 2
- 239000000835 fiber Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000004806 packaging method and process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003063 flame retardant Substances 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000007731 hot pressing Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000002985 plastic film Substances 0.000 description 2
- 229920006255 plastic film Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 208000035126 Facies Diseases 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 241000519996 Teucrium chamaedrys Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012536 packaging technology Methods 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
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- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model discloses a specially-shaped lithium battery module which is a specially-shaped battery module for a power supply of a large autonomous underwater vehicle. The specially-shaped lithium battery module comprises a plurality of specially-shaped single batteries, a shell, partition plates, a battery bracket and a monitoring plate, wherein the shell consists of a specially-shaped lower shell and a square upper cover; the specially-shaped lower shell takes a polygonal shape consisting of four straight sides, a section of circular arc and two sections of transition circular arc; each single battery is arranged in the battery bracket of which the bottom surface is specially-shaped; each partition plate is arranged between two adjacent single batteries and made of a ceramic fiber plate, so that a chain reaction caused by thermal runaway of the single batteries can be prevented; bus bars which are arranged at the tops of the single batteries are fastened with battery tabs through a pressing plate type structure, and then are connected with pole bases to form a total positive output interface and a total negative output interface; the monitoring plate has the functions of monitoring the voltage and temperature of each single battery in real time and the like. The specially-shaped lithium battery module has the characteristics of high duty ratio, good high-current discharge performance, safety, reliability and the like.
Description
Technical field
The utility model relates to a kind of Large Underwater submerge device Special-shaped battery module, and being specially adapted to install die cavity is circular battery module.
Background technology
Lithium ion battery with its higher energy and power density, high voltage platform, long life, memory-less effect, to environment facies to advantages such as close friends, be applied on underwater hiding-machine by multinational researcher, as: on AUV, SDV, ROV, midget submarine and the large-scale submarine in future, carry out scientific investigation, resource investigation and military use etc., be one of the most promising technology, possess wide market prospects and development space.But these equip its die cavity cross sectional shape that is used for installing battery is not traditional square, is generally circle or sub-circular; If use traditional square cell to install, space will be not fully utilized, and can cause very large waste, affect greatly the flying power of product.
Its intrinsic weakness of polymer Li-ion battery is that shell is aluminum plastic film, and mechanical strength is bad, is easily extruded distortion and punctures, and affects performance until produce security incident etc., therefore, needs certain safeguard procedures.
Because battery is discharging and recharging in use procedure, each cell all can produce heat, if heat can not suitably distribute, too high temperature causes inhomogeneous heat accumulation, affects battery performance, life-span and efficiency for charge-discharge.When serious, can cause thermal runaway, cause potential safety problem.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides that a kind of space availability ratio is high, perfect heat-dissipating, safe Special-shaped battery module.
The utility model is achieved through the following technical solutions:. a kind of Special-shaped lithium battery module, it is characterized in that, comprising: some special-shaped cells, housing, connector, dividing plate, battery bracket, monitoring board; Described housing is made up of square upper cover and special-shaped lower house; Described special-shaped cell is all contained in a bottom surface and is similarly in special-shaped battery bracket; The periphery of described battery bracket is turned up, and is provided with heat radiation groove turning up on limit; Described abnormity is polygon, is made up of four straight flanges and one section of circular arc and two sections of transition arcs; The place plane of multiple special-shaped single battery pole ears top is provided with bus-bar; Described bus-bar be arranged on pole seat in upper cover and be connected after, form always just (+) and total negative (-) output interface of battery module; In described upper cover, be provided with monitoring board; Described monitoring board is the circuit board with monitoring cell temperature and voltage data function.
Described special-shaped cell is polymer Li-ion battery, between adjacent two batteries, is provided with the dividing plate that ceramic beaverboard is made.
Described lower house is provided with fin in two sides.
Further, described special-shaped cell is polymer Li-ion battery, is having two components resin glue turning up limit surrounding embedding.
Further, between adjacent two cells, be provided with dividing plate, dividing plate adopts high temperature resistant heat insulation ceramic beaverboard to make, and can prevent from causing chain reaction after single battery thermal runaway.
Further again, described battery lower house is abnormity, is made up of polymer composite, in 2 sides, is provided with fin.
The utility model has the advantages that:
1) profile of the cell of battery module is designed to abnormity, and under identical constraints, battery module, compared with conventional prismatic cell module, has high duty ratio, and volume utilization improves 25% left and right;
2) in module, monitoring board is set, can Real-Time Monitoring battery module, the data such as temperature, fail safe is good;
3) adopt high temperature resistant heat insulation ceramic beaverboard dividing plate, can prevent from causing chain reaction after single battery thermal runaway;
4) good heavy current, easy to assembly.
Accompanying drawing explanation
Fig. 1 is battery module profile organigram
Fig. 2 is special-shaped cell profile schematic diagram;
Fig. 3 is lower house structural representation;
Fig. 4 is superstructure schematic diagram;
Fig. 5 is battery bracket structural representation;
Fig. 6 is battery bracket combination schematic diagram (left is stereogram, and the right side is plane graph);
Fig. 7 is battery module syndeton schematic diagram.
Diagram: 1-upper cover, 2-lower house, 3-fin, 4-cell, 5-battery bracket, 6-dividing plate, 7-pole seat, 8-bus-bar, 9-lug brace, 10-heat dissipation channel.
Embodiment
Below in conjunction with drawings and Examples, the utility model is further illustrated:
1. as shown in Figure 1, described Special-shaped battery module is made up of upper cover 1 and special-shaped lower house 2.In described upper cover 1, establish monitoring board.
2. as shown in Figure 2, described cell 4 is polymer Li-ion battery, and profile is abnormity, by four straight flanges (4a, 4b, 4c, 4d) and one section of circular arc 4f and two sections of transition arcs (4e, 4g) formation.
Described special-shaped cell 4 is realized by following technique:
1) anodal diaphragm, cathode membrane, barrier film are die-cut into required overall dimension, combine by the packaging technology of two negative one positive modes: outside is cathode membrane, centre is anodal diaphragm, stacks a slice barrier film between anodal diaphragm and cathode membrane, forms a battery core unit.Described special-shaped cell 4 forms by multiple battery cores unit is stacked, and described battery core element number determines by the capability value of described cell 4, and capacity is large, and the lamination number of plies is many.
2) aluminum plastic film is become to special-shaped packaging bag by drawing die drawn.The battery core unit of folding is packed in special-shaped packaging bag, add after electrolyte and leave standstill, standing object is to allow electrolyte fully permeate;
3) use hot pressing combination process by above-mentioned packaging bag opening hot-pressing, edge-sealing;
4) wash away size unnecessary on edge sealing with mould;
5) edge sealing is bent into required form, described bending edges is double-fold, and the effect of double-fold has been to improve the firmness of edge sealing;
6) use two components resin glue to carry out embedding in the surrounding of described cell 4 bending edges, need use special encapsulating die to carry out when embedding, encapsulating width is set according to the overall dimension size of described cell 4, and thickness flushes with described cell 4 thickness.Encapsulating object is, increases the mechanical strength of described cell 4, the consistency of maintenance overall dimension.
3. as shown in Figure 3, described lower house 2 profiles are abnormity, by four straight flanges (2a, 2b, 2c, 2d) and one section of circular arc 2f and two sections of transition arcs (2e, 2g) formation.Made the surface processing of spraying paint by polymer composite.In two sides, be provided with fin 3, the mode that described fin 3 use are inlayed embeds in described lower house 2.
4. as shown in Figure 4, described upper cover 1 is rectangle, is provided with a square pit 1a, and pit 1a surrounding is evenly embedded with several stationary monitoring plate copper nut 1b, described upper cover 1 surface is also provided with the fixing stylobate 1c of pole seat, and described upper cover 1 adopts fire retardant plastic material to make through Shooting Technique.
5. as shown in Figure 5, described battery bracket 5 is abnormity, formed by four straight flanges and one section of circular arc and two sections of transition arcs, and the default cell 4 bulging hole 5b in its bottom surface, its periphery is turned up, and is provided with heat radiation groove 5a turning up on limit; Described battery bracket 5 adopts fire retardant plastic material to make through Shooting Technique.
6. as shown in Figure 6, described cell 4 forms heat dissipation channel 10 by groove 5a and the dividing plate 6 of battery bracket 5, is conducive to accelerate the dissipation of heat of battery 4, improves radiating efficiency.High temperature resistant heat insulation ceramic beaverboard dividing plate 6, can prevent the chain reaction of single battery heat 4 rear initiations out of control.
7. as shown in Figure 7, adopt presser type structure that cell 4 lugs and " U " type bus-bar 8 are realized to tight joint; Described presser type structure: upper is bus-bar 8, and lower is lug brace 9, and battery pole ear is clipped in the middle, bolt successively from lug brace 9 belows, lug, bus-bar 8 tops carry out fastening passing.Described bus-bar 8 be arranged on pole seat 7 in upper cover 1 and be connected after, form always just (+) and total negative (-) output interface of battery module.Described lug brace 9, bus-bar 8 all adopt the good copper plate of conduction to make.
Although the utility model has been shown and has been described in above-described embodiment; but those skilled in the art should be appreciated that; do not departing under the prerequisite of the utility model general plotting, the modification that the utility model is made and remodeling, within should belonging to the utility model protection range.
Claims (3)
1. a Special-shaped lithium battery module, is characterized in that, comprising: some special-shaped cells, housing, connector, dividing plate, battery bracket, monitoring board; Described housing is made up of square upper cover and special-shaped lower house; Described special-shaped cell is all contained in a bottom surface and is similarly in special-shaped battery bracket; The periphery of described battery bracket is turned up, and is provided with heat radiation groove turning up on limit; Described abnormity is polygon, is made up of four straight flanges and one section of circular arc and two sections of transition arcs; The place plane of multiple special-shaped single battery pole ears top is provided with bus-bar; Described bus-bar be arranged on pole seat in upper cover and be connected after, form always just (+) and total negative (-) output interface of battery module; In described upper cover, be provided with monitoring board; Described monitoring board is the circuit board with monitoring cell temperature and voltage data function.
2. Special-shaped lithium battery module as claimed in claim 1, is characterized in that: described special-shaped cell is polymer Li-ion battery, between adjacent two batteries, is provided with the dividing plate that ceramic beaverboard is made.
3. Special-shaped lithium battery module as claimed in claim 1, is characterized in that: described lower house is provided with fin in two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860271.5U CN203674273U (en) | 2013-12-24 | 2013-12-24 | Specially-shaped lithium battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320860271.5U CN203674273U (en) | 2013-12-24 | 2013-12-24 | Specially-shaped lithium battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203674273U true CN203674273U (en) | 2014-06-25 |
Family
ID=50970537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320860271.5U Expired - Lifetime CN203674273U (en) | 2013-12-24 | 2013-12-24 | Specially-shaped lithium battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203674273U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938880A (en) * | 2015-03-04 | 2016-09-14 | 株式会社Lg化学 | Battery cell, battery pack and device comprising battery pack |
| CN108134038A (en) * | 2018-02-11 | 2018-06-08 | 北斗航天汽车（北京）有限公司 | Soft bag lithium ionic cell module and electric vehicle |
| CN109155386A (en) * | 2016-05-20 | 2019-01-04 | 株式会社村田制作所 | Electric energy storage device |
-
2013
- 2013-12-24 CN CN201320860271.5U patent/CN203674273U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105938880A (en) * | 2015-03-04 | 2016-09-14 | 株式会社Lg化学 | Battery cell, battery pack and device comprising battery pack |
| CN109155386A (en) * | 2016-05-20 | 2019-01-04 | 株式会社村田制作所 | Electric energy storage device |
| CN108134038A (en) * | 2018-02-11 | 2018-06-08 | 北斗航天汽车（北京）有限公司 | Soft bag lithium ionic cell module and electric vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20161206 Granted publication date: 20140625 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20181203 Granted publication date: 20140625 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140625 |