CN109585739A - A kind of totally-enclosed high safety battery group - Google Patents
A kind of totally-enclosed high safety battery group Download PDFInfo
- Publication number
- CN109585739A CN109585739A CN201811481903.0A CN201811481903A CN109585739A CN 109585739 A CN109585739 A CN 109585739A CN 201811481903 A CN201811481903 A CN 201811481903A CN 109585739 A CN109585739 A CN 109585739A
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- CN
- China
- Prior art keywords
- battery group
- totally
- battery
- high safety
- plate
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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.)
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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
Abstract
The invention discloses a kind of totally-enclosed high safety battery groups, which includes: several single batteries；Secondary battery jar for loading the single battery and sealing；The aluminum honeycomb pressure release material being set between the single battery, the material are made of the insulated heat panel in outside and the porous aluminum cellular sandwich at middle part.The battery group also includes: the fire proofing being filled in inside battery group, for starvation and fire-retardant.Battery group of the invention designs for totally-enclosed, and single battery breaks down when generating pernicious gas, will not be to battery group outward leakage；The heat that aluminum honeycomb pressure release material between single battery generates failure monomer is isolated, and discharges the internal pressure of battery group, and reducing monomer failure bring influences；The fire proofing filled inside battery group further ensures that the safety of battery group.
Description
Technical field
The present invention relates to the technical fields of lithium-ions battery, and in particular to a kind of totally-enclosed high safety battery group.
Background technique
The common battery pack structure design in space at present mainly has drawbar structure, tower structure and hybrid knot
Structure.But above structure can not be closed, in the case where safety issue occurs for internal single battery without effective pressure
Release device, and the leakage of toxic gas can not be prevented.Now with the expansion in battery applications field, it is often necessary to be placed in
In the environment of someone.When the safety issues such as thermal runaway occur for single battery, amount of heat can be generated, battery around is promoted
Monomer temperature steeply rises, and influences the safety of monomer around, and discharges huge pressure, generates greater impact power.Therefore it needs
Consider the safety issue that single battery occurs, the safety for battery group is designed.
Summary of the invention
Present invention aim to address the safety issues of the common battery group in current space, and it is high to provide a kind of totally-enclosed
Safe battery group, the battery group design for totally-enclosed, and the heat quilt that failure monomer is discharged to single battery around
Isolation, battery group can bear the pressure generated when single battery failure.
In order to achieve the above object, the present invention provides a kind of totally-enclosed high safety battery group, which includes:
Several single batteries；Secondary battery jar for loading the single battery and sealing；It is set to the storage
Aluminum honeycomb pressure release material between battery cell, the aluminum honeycomb pressure release material by outside insulated heat panel and middle part it is porous
Aluminum honeycomb sandwich composition.
Preferably, the insulated heat panel of the aluminum honeycomb pressure release material includes: epoxy glass cloth laminated board or polyamides are sub-
The combination of one or both of amine plate.
Preferably, the battery group also includes: the fire proofing inside battery group for starvation and hinders
Combustion.
Preferably, the fire proofing includes: airbag, flame-retardant foam or flame-proof silicon rubber full of inert gas
A combination of one or more.
Preferably, the material of the secondary battery jar includes: in stainless steel, aluminium alloy, carbon fiber or magnesium lithium alloy
A combination of one or more.
Preferably, being provided with sealing ring on the secondary battery jar.
Preferably, the secondary battery jar includes: front end-plate, end plate, left wall plate, right wall plate, bottom plate and top plate.
Preferably, the junction coating adhesive between the front end-plate, end plate, left wall plate, right wall plate, bottom plate, top plate
Glutinous agent.
Preferably, the adhesive includes: in silicon rubber type adhesive, epoxy type adhesive or resin type adhesive
A combination of one or more.
The utility model has the advantages that
(1) battery group designs for totally-enclosed, and single battery breaks down when generating pernicious gas, will not be to outside battery group
Leakage；
(2) heat that the aluminum honeycomb pressure release material between single battery generates failure monomer is isolated, and discharges battery
The internal pressure of group, reducing monomer failure bring influences；
(3) fire proofing of internal storage battery filling further ensures that the safety of battery group.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of totally-enclosed high safety battery group of the invention.
Fig. 2 a is the front view of aluminum honeycomb pressure release material.
Fig. 2 b is the side view of aluminum honeycomb pressure release material.
Fig. 3 is that temperature changing curve diagram when internal short-circuit failure occurs for single battery.
Specific embodiment
Below in conjunction with drawings and examples, the following further describes the technical solution of the present invention.
Shown in a and Fig. 2 b as shown in Figure 1, Figure 2, totally-enclosed high safety battery group of the invention includes several single batteries
1.Single battery 1 can be any single battery suitable for space field, can be lithium-ions battery monomer, cadmium nickel
Single battery or the simulation monomer of identical size etc..Prismatic cell monomer 1 with identical size is easy to proper alignment
Inside battery group.
Secondary battery jar 2 is provided on the outside of battery group, single battery 1 is placed in secondary battery jar 2, battery
Cabinet 2 is made of front end-plate, end plate, left wall plate, right wall plate, bottom plate and top plate, forms box typed structure, and junction is equipped with close
Seal 5 guarantees the airtight performance of battery group.Electric connector and other devices on cabinet select closed type product, with case
Body junction is installed by sealing ring 5.Sealing ring 5 selects rubber material.Secondary battery jar 2 can splice or overall processing, joint face
Adhesive is coated, if there is intensity requirement to can be used simultaneously mounting screw fastening.The adhesive tool of 2 joint face of secondary battery jar coating
Have connection secondary battery jar, prevent moisture, impurity and gas etc. enter or evolution, ingredient can be silicon rubber type adhesive,
Epoxy type adhesive or resin type adhesive etc..Secondary battery jar 2 need to have certain intensity, and battery group is made to be able to maintain one
Fixed shape, and it is indeformable under specific mechanical condition, according to mechanical condition situation is used, ingredient can choose stainless
The materials such as steel, aluminium alloy, carbon fiber or magnesium lithium alloy.
Aluminum honeycomb pressure release material 3 is equipped between the single battery 1 of totally-enclosed high safety battery group of the invention.Aluminium bee
Nest pressure release material 3 is made of the insulated heat panel 31 in outside and the porous aluminum cellular sandwich 32 at middle part, can play insulation, every
Hot, pressure release effect.Insulated heat panel 31 can be the insulating materials such as epoxy glass cloth laminated board, polyimide plate, make
Make to be electrically insulated between each monomer with being, and completely cuts off failure monomer and conduct heat to single battery 1 around.Porous aluminum cellular sandwich 32 has
There is certain flat crushing strength, when battery works normally, aluminum honeycomb pressure release material 3 plays electrical isolation, will not be collapsed；
When single battery 1 breaks down, monomer outer casing rupture discharges immense pressure, and pressure is more than the flat of aluminum honeycomb pressure release material 3
Compressive Strength, aluminum honeycomb material 3 can be collapsed, and discharge the internal pressure of battery group, and reducing monomer failure bring influences.
Fire proofing 4 for starvation and fire-retardant is filled with inside totally-enclosed high safety battery group of the invention.
Fire proofing 4 can be airbag, flame-retardant foam or flame-proof silicon rubber full of inert gas etc..When internal storage battery is pacified
When full property problem, fire proofing 4 cannot burn, and can completely cut off the oxygen around single battery 1, prevent combustion phenomena into one
Step expands.The fire proofing 4 should be reacted with inside battery group without other, will not be polluted to battery group, and in electric power storage
Filling is easy inside the group of pond.
Embodiment 1
The lithium-ions battery group of embodiment 1 selects closed case design, by front and back end plate, left and right siding, bottom plate and cover board six
Part forms, and cabinet is all made of aluminum alloy materials.4 side plates of secondary battery jar are fixed by the screw of M4, and even
Silicon rubber is coated in junction for sealing.4 screws between side plate and bottom plate by M3 of cabinet are attached fixation, and even
Silicon rubber is coated in junction to be sealed.There are groove at four sidings when processing, bottom plate is embedded in groove.Between side plate and cover board
It is fixed by the screw of M4, and is sealed in contact surface by installing rubber seal, in processing, 4 side plates
Top surface is there are groove, when installation in rubber seal insertion groove, to increase the sealing ability of body structure.In addition, on cabinet
Electric connector and other devices select closed type product, with cabinet junction install rubber seal.Internal ignition resistant material
Flame-proof silicon rubber is selected, at the electrical connections such as flow guide bar, connecting wire, pole between single battery.Battery mould
Aluminum honeycomb pressure release material is placed in block between monomer and monomer, the aluminum honeycomb pressure release material is by epoxy glass cloth laminated board and porous
Aluminum honeycomb sandwich composition.
Through overtesting, when internal short-circuit failure occurs for single battery in cabinet, since immense pressure cabinet produces deformation,
But leaked without toxic gas, it was demonstrated that battery group sealing ability is met the requirements.It uncaps after test inspection, finds fire proofing
Intact, short-circuit single battery is ruptured, the parts such as flow guide bar and connecting wire between other single batteries, monomer
It is intact, it was demonstrated that the fire proofing of filling meets expected flame-retardancy requirements.Aluminum honeycomb sandwich is collapsed in battery module, release
The pressure generated when monomer failure, it was demonstrated that the effect of pressure release when aluminum honeycomb pressure release material can satisfy monomer failure.It measures short
Road battery temperature T2 and surrounding battery temperature T1, T3, as shown in fig. 3, it was found that up to 108.235 DEG C of temperature T2, temperature T1
24.56 DEG C and 24.87 DEG C are risen to respectively with T3 highest, illustrate that aluminum honeycomb pressure release material can play isolation failure monomer to week
Enclose the effect of single body radiating.
In conclusion battery group of the invention designs for totally-enclosed, single battery, which breaks down, generates pernicious gas
When, it will not be to battery group outward leakage；Aluminum honeycomb pressure release material between single battery make failure monomer generate heat by every
Absolutely, and the internal pressure of battery group is discharged, reducing monomer failure bring influences；Internal storage battery filling fire proofing into
One step ensures the safety of battery group.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (9)
1. a kind of totally-enclosed high safety battery group, characterized by comprising:
Several single batteries；
Secondary battery jar for loading the single battery and sealing；
The aluminum honeycomb pressure release material being set between the single battery, the aluminum honeycomb pressure release material by outside insulation every
Hot panel and the porous aluminum cellular sandwich at middle part composition.
2. totally-enclosed high safety battery group according to claim 1, which is characterized in that the aluminum honeycomb pressure release material
Insulated heat panel includes: the combination of one or both of epoxy glass cloth laminated board or polyimide plate.
3. totally-enclosed high safety battery group according to claim 1, which is characterized in that the battery group also includes: position
Fire proofing inside battery group, for starvation and fire-retardant.
4. totally-enclosed high safety battery group according to claim 3, which is characterized in that the fire proofing includes:
The a combination of one or more of airbag, flame-retardant foam or flame-proof silicon rubber full of inert gas.
5. totally-enclosed high safety battery group according to claim 1, which is characterized in that the material of the secondary battery jar
Material includes: the combination of one or more of stainless steel, aluminium alloy, carbon fiber or magnesium lithium alloy.
6. totally-enclosed high safety battery group according to claim 1, which is characterized in that set on the secondary battery jar
It is equipped with sealing ring.
7. totally-enclosed high safety battery group according to claim 1, which is characterized in that the secondary battery jar packet
Contain: front end-plate, end plate, left wall plate, right wall plate, bottom plate and top plate.
8. totally-enclosed high safety battery group according to claim 7, which is characterized in that the front end-plate, end plate,
Left wall plate, right wall plate, bottom plate, the junction between top plate coat adhesive.
9. totally-enclosed high safety battery group according to claim 8, which is characterized in that the adhesive includes: silicon
The combination of one or more of rubber-type adhesive, epoxy type adhesive or resin type adhesive.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481903.0A CN109585739A (en) | 2018-12-05 | 2018-12-05 | A kind of totally-enclosed high safety battery group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811481903.0A CN109585739A (en) | 2018-12-05 | 2018-12-05 | A kind of totally-enclosed high safety battery group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109585739A true CN109585739A (en) | 2019-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811481903.0A Pending CN109585739A (en) | 2018-12-05 | 2018-12-05 | A kind of totally-enclosed high safety battery group |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021205171A1 (en) | 2021-05-20 | 2022-11-24 | Volkswagen Aktiengesellschaft | High-voltage battery system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105190935A (en) * | 2012-10-11 | 2015-12-23 | 卡丹莎创新有限公司 | Lithium ion battery |
| CN107195818A (en) * | 2017-05-27 | 2017-09-22 | 东风商用车有限公司 | A kind of light-weighted power accumulator case of used in new energy vehicles |
| CN107887651A (en) * | 2017-11-15 | 2018-04-06 | 上海空间电源研究所 | A kind of high power lithium battery group of integrated assembling |
| CN108183181A (en) * | 2017-12-27 | 2018-06-19 | 天津中科先进技术研究院有限公司 | Manufacturing method of electric vehicle battery pack and battery pack |
-
2018
- 2018-12-05 CN CN201811481903.0A patent/CN109585739A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105190935A (en) * | 2012-10-11 | 2015-12-23 | 卡丹莎创新有限公司 | Lithium ion battery |
| CN107195818A (en) * | 2017-05-27 | 2017-09-22 | 东风商用车有限公司 | A kind of light-weighted power accumulator case of used in new energy vehicles |
| CN107887651A (en) * | 2017-11-15 | 2018-04-06 | 上海空间电源研究所 | A kind of high power lithium battery group of integrated assembling |
| CN108183181A (en) * | 2017-12-27 | 2018-06-19 | 天津中科先进技术研究院有限公司 | Manufacturing method of electric vehicle battery pack and battery pack |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102021205171A1 (en) | 2021-05-20 | 2022-11-24 | Volkswagen Aktiengesellschaft | High-voltage battery system |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190405 |