CN109390522A - A kind of electric vehicle battery holder - Google Patents

A kind of electric vehicle battery holder Download PDF

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Publication number
CN109390522A
CN109390522A CN201811011328.8A CN201811011328A CN109390522A CN 109390522 A CN109390522 A CN 109390522A CN 201811011328 A CN201811011328 A CN 201811011328A CN 109390522 A CN109390522 A CN 109390522A
Authority
CN
China
Prior art keywords
mass fraction
insulating materials
parts
battery pack
electric vehicle
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.)
Pending
Application number
CN201811011328.8A
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Chinese (zh)
Inventor
王新伙
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinhua Rely On Power Technology Co Ltd
Original Assignee
Jinhua Rely On Power Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jinhua Rely On Power Technology Co Ltd filed Critical Jinhua Rely On Power Technology Co Ltd
Priority to CN201811011328.8A priority Critical patent/CN109390522A/en
Publication of CN109390522A publication Critical patent/CN109390522A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04Homopolymers or copolymers of ethene
    • C08L23/08Copolymers of ethene
    • C08L23/0807Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815Copolymers of ethene with aliphatic 1-olefins
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4207Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/62Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625Vehicles
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/65Means for temperature control structurally associated with the cells
    • H01M10/653Means for temperature control structurally associated with the cells characterised by electrically insulating or thermally conductive materials
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00Applications
    • C08L2203/20Applications use in electrical or conductive gadgets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00Batteries for particular applications
    • H01M2220/20Batteries in motive systems, e.g. vehicle, ship, plane
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Battery Mounting, Suspending (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of electric vehicle battery holders, including box cover, box body, battery pack and accessory part, there are gaps between accessory part and box cover, filled with buffering insulating materials in the gap, buffer the ingredient of insulating materials according to the mass fraction: linear low density polyethylene, density are 0.92~0.925g/cm3, 50-60 parts, polyethylene glycol, molecular weight 800-1000,20-30 part, additive, 10-30 parts.Take the main body compared with the linear low density polyethylene of low-density as buffering insulating materials on the one hand can expire gap as far as possible with lower mass charge, on the other hand there is good specific heat coefficient and thermal stability, the raising of temperature in battery use process can be reduced as far as possible.

Description

A kind of electric vehicle battery holder
[technical field]
The present invention relates to a kind of electric vehicle battery holders, belong to Material Field.
[background technique]
Battery is installed, battery needs some accessory parts in order to connect with external power supply, auxiliary in the battery case of electric vehicle Component is helped equally to be mounted in battery case, but the shape of accessory part is not rule, which results in box body The part in portion is vacant, it is therefore desirable to fill some materials to protect battery.But traditional material weight weight, it is easy to wear, It is not only easily damaged battery, also makes the specific capacity dramatic decrease of battery case.
[summary of the invention]
A kind of electric vehicle battery holder is provided technical problem to be solved by the present invention lies in overcome the deficiencies in the prior art, Cell damage is reduced, while reducing the specific capacity decline of battery case as far as possible.
Above-mentioned technical problem is solved, the present invention adopts the following technical scheme:
A kind of electric vehicle battery holder, including box cover, box body, battery pack and accessory part, battery pack and accessory part are all provided with Set in box body, box cover covers the opening in box body, battery pack be electrically connected with accessory part with realization battery pack charge and discharge, Box body includes the front side wall and rear wall being oppositely arranged, and battery pack is extruded on front side wall, and accessory part is extruded on rear wall, There are gap between accessory part and box cover, filled with buffering insulating materials in the gap, the ingredient for buffering insulating materials is pressed Mass fraction meter: linear low density polyethylene, density are 0.92~0.925g/cm3, 50-60 parts;Polyethylene glycol, molecular weight 800-1000,20-30 parts;Additive, 10-30 parts.
Take linear low density polyethylene compared with low-density as buffering insulating materials main body on the one hand can as far as possible with Lower mass charge expires gap, on the other hand has good specific heat coefficient and thermal stability, can reduce electricity as far as possible The raising of temperature in the use process of pond.The branch of linear low density polyethylene is less, so that buffering body of dielectric material shape Change ability is preferable, can effectively fill into gap in irregular shape, play the full protection to battery.Furthermore it is certain right to have The linear low density polyethylene of title can also play the role of diamagnetic, certain to battery progress diamagnetic protection.Polyethylene glycol is then made For solvent, so that linear low density polyethylene forms the state with certain stickiness.The polyethylene glycol one of molecular weight 800-1000 Aspect makes buffering insulating materials have certain fluid property, is easy voluntarily to fill to tiny gap, while can show Enough hydrophobicitys out.
Additive of the present invention includes polypropylene, and according to the mass fraction, polyacrylic mass fraction is linea low density The 10-20% of polyethylene mass fraction.
Additive of the present invention further includes tricresyl phosphate, according to the mass fraction, the mass parts of tricresyl phosphate Number is the 80%-100% of polypropylene mass fraction.
The other features and advantages of the invention will the detailed exposure in following specific embodiment, attached drawing.
[Detailed description of the invention]
Following further describes the present invention with reference to the drawings:
Fig. 1 is the schematic perspective view of 1 electric vehicle battery holder of the embodiment of the present invention;
Fig. 2 is the configuration schematic diagram of 1 electric vehicle battery holder of the embodiment of the present invention.
[specific embodiment]
The technical solution of the embodiment of the present invention is explained and illustrated below with reference to the attached drawing of the embodiment of the present invention, but under It states embodiment to be merely a preferred embodiment of the present invention, and not all.Based on the implementation example in the implementation mode, those skilled in the art Obtained other embodiments without making creative work, belong to protection scope of the present invention.
In the following description, occur term "inner", "outside", "upper", "lower", the indicating positions such as "left", "right" or Positional relationship is to be based on the orientation or positional relationship shown in the drawings, description embodiment merely for convenience and simplified description, and It is not that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, because This is not considered as limiting the invention.
Embodiment 1.
Referring to Fig. 1-2.
Present embodiments provide a kind of electric vehicle battery holder, including box cover 1, box body 2, battery pack 3 and accessory part 4.
Battery pack 3 and accessory part 4 are arranged in box body 2, and box cover 1 covers the opening in box body 2, battery pack 3 with it is auxiliary Help the electrical connection of component 4 with realizations battery pack 3 charge and discharge, box body 2 includes the front side wall and rear wall that are oppositely arranged, battery pack 3 are extruded on front side wall, and accessory part 4 is extruded on rear wall, there are gap between accessory part 4 and box cover 1, fill out in gap Filled with buffering insulating materials.
Buffer the ingredient of insulating materials according to the mass fraction:
Linear low density polyethylene, density 0.92g/cm3, 50 parts;
Polyethylene glycol, molecular weight 800-1000,30 parts;
Polypropylene, 10 parts;
Tricresyl phosphate, 10 parts.
Take linear low density polyethylene compared with low-density as buffering insulating materials main body on the one hand can as far as possible with Lower mass charge expires gap, on the other hand has good specific heat coefficient and thermal stability, can reduce electricity as far as possible The raising of temperature in the use process of pond.The branch of linear low density polyethylene is less, so that buffering body of dielectric material shape Change ability is preferable, can effectively fill into gap in irregular shape, play the full protection to battery.Furthermore it is certain right to have The linear low density polyethylene of title can also play the role of diamagnetic, certain to battery progress diamagnetic protection.Polyethylene glycol is then made For solvent, so that linear low density polyethylene forms the state with certain stickiness.The polyethylene glycol one of molecular weight 800-1000 Aspect makes buffering insulating materials have certain fluid property, is easy voluntarily to fill to tiny gap, while can show Enough hydrophobicitys out.And polyethylene glycol is easy to form hydrogen bond with linear low density polyethylene, is able to ascend buffering insulating materials Internal intermolecular spacing advantageously reduces the density inside buffering insulating materials.
Polypropylene itself has good insulating properties, is able to carry out electric protection to battery pack 3, but is heated easily expansion, this The biggish specific heat capacity of Shi Liyong linear low density polyethylene can effectively reduce polyacrylic heat expansion degree, prevent from jacking up box cover 1, gather The content of propylene depends on the content of linear low density polyethylene, to guarantee to guarantee that coefficient of thermal expansion control exists on the basis of insulating properties In one critical field.
Tricresyl phosphate is as fire retardant, with the safety of Promoting Layered Buffer insulating materials.Tricresyl phosphate energy simultaneously Enough it is used as a kind of secondary solvent, the safety of Promoting Layered Buffer insulating materials.But its density is big, excessive addition will affect electric vehicle The specific capacity of battery case.
The averag density that insulating materials is buffered in the present embodiment is 1.15g/cm3
Embodiment 2:
The present embodiment buffers the ingredient of insulating materials according to the mass fraction:
Linear low density polyethylene, density 0.925g/cm3, 50 parts;
Polyethylene glycol, molecular weight 800-1000,30 parts;
Polypropylene, 10 parts;
Tricresyl phosphate, 10 parts.
The averag density that insulating materials is buffered in the present embodiment is 1.17g/cm3
Embodiment 3:
The present embodiment buffers the ingredient of insulating materials according to the mass fraction:
Linear low density polyethylene, density 0.92g/cm3, 60 parts;
Polyethylene glycol, molecular weight 800-1000,20 parts;
Polypropylene, 10 parts;
Tricresyl phosphate, 10 parts.
The averag density that insulating materials is buffered in the present embodiment is 1.08g/cm3.Furthermore insulating materials mobility phase is buffered Have than embodiment 1 and decline to a certain degree, is not easy to enter gap.
Embodiment 4:
Buffer the ingredient of insulating materials according to the mass fraction:
Linear low density polyethylene, density 0.92g/cm3, 60 parts;
Polyethylene glycol, molecular weight 800-1000,22 parts;
Polypropylene, 10 parts;
Tricresyl phosphate, 8 parts.
The averag density that insulating materials is buffered in the present embodiment is 1.07g/cm3.In the present embodiment buffer insulating materials with Embodiment 3 does not have significant difference, and the coefficient of viscosity and buffering insulating materials in embodiment 3 are substantially identical, but in same fire-bar The more easy firing of embodiment 3 is compared under part.
Embodiment 5:
The present embodiment buffers the ingredient of insulating materials according to the mass fraction:
Linear low density polyethylene, density 0.92g/cm3, 50 parts;
Polyethylene glycol, molecular weight: 1000-1500,30 parts;
Polypropylene, 10 parts;
Tricresyl phosphate, 10 parts.
The polyethylene glycol coefficient of viscosity is big in the present embodiment, very difficult in mixed process, while being not easy filling to gap. It is even in actual use simultaneously to have the case where scratching box cover and battery pack.
Embodiment 6:
The present embodiment buffers the ingredient of insulating materials according to the mass fraction:
Linear low density polyethylene, density 0.92g/cm3, 50 parts;
Polyethylene glycol, molecular weight 200-600,30 parts;
Polypropylene, 10 parts;
Tricresyl phosphate, 10 parts.
Polyethylene glycol coefficient of viscosity very little in the present embodiment, buffering insulating materials occasional obtained connect from box cover and box body It is leaked out at the gap connect.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, is familiar with The those skilled in the art should be understood that the present invention includes but is not limited to attached drawing and interior described in specific embodiment above Hold.Any modification without departing from function and structure principle of the invention is intended to be included in the range of claims.

Claims (3)

1. a kind of electric vehicle battery holder, including box cover, box body, battery pack and accessory part, battery pack and accessory part are respectively provided with In box body, box cover covers the opening in box body, battery pack be electrically connected with accessory part with realization battery pack charge and discharge, box Body includes the front side wall and rear wall being oppositely arranged, and battery pack is extruded on front side wall, and accessory part is extruded on rear wall, auxiliary Help between component and box cover that there are gaps, it is characterised in that: filled with buffering insulating materials in the gap, buffer insulating materials Ingredient according to the mass fraction:
Linear low density polyethylene, density are 0.92~0.925g/cm3, 50-60 parts;
Polyethylene glycol, molecular weight 800-1000,20-30 part;
Additive, 10-30 parts.
2. electric vehicle battery holder according to claim 1, it is characterised in that: the additive includes polypropylene, by quality Number meter, polyacrylic mass fraction are the 10-20% of linear low density polyethylene mass fraction.
3. electric vehicle battery holder according to claim 2, it is characterised in that: the additive further includes phosphate trimethylbenzene Ester, according to the mass fraction, the mass fraction of tricresyl phosphate are the 80%-100% of polypropylene mass fraction.
CN201811011328.8A 2018-08-31 2018-08-31 A kind of electric vehicle battery holder Pending CN109390522A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811011328.8A CN109390522A (en) 2018-08-31 2018-08-31 A kind of electric vehicle battery holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811011328.8A CN109390522A (en) 2018-08-31 2018-08-31 A kind of electric vehicle battery holder

Publications (1)

Publication Number Publication Date
CN109390522A true CN109390522A (en) 2019-02-26

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Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN102202883A (en) * 2008-11-03 2011-09-28 栗村化学株式会社 Cell pack and manufacturing method thereof
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CN103840223A (en) * 2014-03-05 2014-06-04 芜湖凯尔电气科技有限公司 Lithium battery filling agent
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CN207637860U (en) * 2017-11-24 2018-07-20 广东亿纬赛恩斯新能源系统有限公司 Fire prevention battery component
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CN102202883A (en) * 2008-11-03 2011-09-28 栗村化学株式会社 Cell pack and manufacturing method thereof
DE102012222689A1 (en) * 2012-12-11 2014-06-12 Robert Bosch Gmbh Energy storage device e.g. lithium-ion battery used in computer, has cellular uptake which is partially formed from thermally conductive insulating material, and that is contactingly arranged with wall side end portion of cell housing
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Application publication date: 20190226

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