CN104103789B - Battery, the protective cover structure of battery and the manufacture method of battery - Google Patents
Battery, the protective cover structure of battery and the manufacture method of battery Download PDFInfo
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- CN104103789B CN104103789B CN201410328507.XA CN201410328507A CN104103789B CN 104103789 B CN104103789 B CN 104103789B CN 201410328507 A CN201410328507 A CN 201410328507A CN 104103789 B CN104103789 B CN 104103789B
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- battery
- protective layer
- accumulator body
- ceramics
- layer
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0404—Machines for assembling batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
-
- 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
Abstract
The present invention provides the protective cover structure of battery; battery includes that an accumulator body, protective cover structure include cladding and be attached at accumulator body, in order to protect accumulator body the first protective layer making the heat radiation of this accumulator body, insulate and preventing this accumulator body from bursting and at least one to be coated with the first protective layer, in order to strengthen protecting the second protective layer of accumulator body.Wherein, accumulator body can be protected by this first protective layer and make the heat radiation of this accumulator body, insulate and prevent this accumulator body from bursting; and by this second protective layer; can strengthen further protecting accumulator body, thus, not only improve the reliability of battery and extend its service life; and by arranging the first protective layer and the function of the second protective layer; both reach the purpose of expection protection battery, and can make the best use of everything again, save material material-saving.The present invention also provides for the manufacture method of battery and battery.
Description
Technical field
The present invention relates to the technical field of battery, particularly relate to apply the battery on electric automobile, storage
The protective cover structure of battery and the manufacture method of battery.
Background technology
Currently, the electric automobile of development cleanliness without any pollution has become the future development side of countries in the world auto industry
To.Wherein, the research and development core of the research and development of car battery always electric automobile, but, current is automobile-used
The problem that battery exists poor reliability, stability is not enough, cycle life is short.
Therefore, it is necessary to provide a kind of technological means to solve drawbacks described above.
Summary of the invention
It is an object of the invention to overcome the defect of prior art, it is provided that the protective cover structure of a kind of battery,
To solve the problem that battery of the prior art exists poor reliability, stability is not enough, cycle life is short.
The present invention is achieved in that the protective cover structure of battery, and described battery includes that a battery is originally
Body, described protective cover structure includes:
It is coated with and is attached at described accumulator body, in order to protect described accumulator body and to make this battery originally
Body heat radiation, the first protective layer insulating and preventing this accumulator body from bursting；And
At least one is coated with described first protective layer, in order to strengthen protecting the second of described accumulator body to protect
Layer.
Specifically, described first protective layer is ceramic sheet layer, and the material of described ceramic sheet layer be fine ceramics,
Oxide ceramics, nitride ceramics or carbide ceramics.
Specifically, described second protective layer is sheet-metal layers, and the material of described sheet-metal layers be aluminium alloy,
Aluminium, copper or copper alloy.
The technique effect of the protective cover structure of the battery of the present invention is: owing to this protective cover structure includes
One protective layer and the second protective layer, wherein, can protect accumulator body by this first protective layer and make this
Accumulator body dispels the heat, insulate and prevent this accumulator body from bursting, and by this second protective layer, permissible
Strengthen protection accumulator body further, thus, not only improve the reliability of battery and extend its use longevity
Life, and by arranging the first protective layer and the function of the second protective layer, both reached expection protection battery
Purpose, can make the best use of everything again, saves material material-saving.
The present invention also provides for battery, has the protective cover structure of above-mentioned battery.
Specifically, described accumulator body include several cells, for several cells described with
Fixture that its positive extreme direction is fixedly installed and be connected fixing leading with the positive pole of several cells described
Electricity body, described first protective layer is attached at described electric conductor.
Preferably, described electric conductor is copper plate, copper alloy plate, nickel plate or nickel alloy plate.
Preferably, several cells described are lithium ion single battery.
The technique effect of the battery of the present invention is: owing to the battery of the present invention has above-mentioned protective cover knot
Structure, not only improves its reliability, extends its service life, moreover it is possible to reduce the production cost of battery.Further,
It is provided by this protective cover, the anti-extrusion that both greatly strengthen battery, the performance piercing through, impacting, again
The independent fire wall between battery can be become, improve the insulation safety performance of battery with this.
The present invention also provides for battery manufacture method, comprises the following steps that
S10, preparation are in order to form several cells of accumulator body, for these several cells
The fixture that is fixedly installed with its positive extreme direction and be connected fixing with the positive pole of these several cells
Electric conductor, is also prepared for by order to protect accumulator body and to make accumulator body heat radiation, insulate and prevent electric power storage
First protective layer of pond body explosion is coated with this first protective layer, in order to strengthen protection battery with at least one
The protective cover of the second protective layer composition of body；
S20, several described cells are fixed on described fixture with its positive extreme direction；
S30, several the described cells being connected to electric conductor to have been fixed on described fixture are just
Pole, to form accumulator body；
S40, described protective cover is coated with described accumulator body, and makes the first protective layer of described protective cover
It is attached on the electric conductor of accumulator body.
Specifically, described first protective layer is ceramic sheet layer, and the material of described ceramic sheet layer be fine ceramics,
Oxide ceramics, nitride ceramics or carbide ceramics.
Specifically, described second protective layer is sheet-metal layers, and the material of described sheet-metal layers be aluminium alloy,
Aluminium, copper or copper alloy.
The technique effect of the manufacture method of the battery of the present invention is: first, by several cells, admittedly
Locking member and electric conductor assemble, and to be assembled into accumulator body, are coated with this battery with protective cover the most again
Body, and make the first protective layer of protective cover be attached on the electric conductor of accumulator body, thus, not only
Simplify manufacturing process, and the heat that battery produces can be dispersed by the first protective layer by this protective cover,
Meanwhile, battery can also be played insulation, explosion-proof function by this first protective layer, thus substantially increases
The reliability of battery, stability, and extend its service life cycle.
Accompanying drawing explanation
Fig. 1 is the structural representation of the battery of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the protective cover structure of the battery of the embodiment of the present invention.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and reality
Execute example, the present invention is further elaborated.Only should be appreciated that specific embodiment described herein
Only in order to explain the present invention, it is not intended to limit the present invention.
The embodiment of the protective cover structure of battery
Refer to Fig. 1 and Fig. 2, below the present invention is provided the most preferred embodiment of the protective cover structure of battery
It is illustrated.
The battery 100 of the embodiment of the present invention includes an accumulator body 10, wherein this accumulator body 10
Mainly by several cells 20, these several cells 20 are supplied to be fixedly installed with its positive extreme direction
Fixture 30 and the positive pole with these several cells 10 are connected fixing electric conductor 40, and protective cover
50 structures include the first protective layer 51 and at least one the second protective layer 52, tie this protective cover 50 below
Each parts of structure are further described:
First protective layer 51 is coated with and is attached at accumulator body 10, and it is in order to protect accumulator body 10
And make this accumulator body 10 dispel the heat, insulate and prevent this accumulator body 10 from bursting, wherein, this is first years old
Protective layer 51 is attached at the electric conductor 40 of accumulator body 10；
Second protective layer 52 is coated with the first protective layer 51, and it is in order to strengthen protection accumulator body 10.
Wherein, second protective layer 52 of the present embodiment has one, certainly, also can according to actual needs and
Requirement of strength, arranges two, three or the second above protective layer 52, and this second protective layer 52 and
For pasting or welding together between one protective layer 51.
Owing to this protective cover 50 structure includes the first protective layer 51 and the second protective layer 52, wherein, borrow
Accumulator body 10 can be protected by this first protective layer 51 and make this accumulator body 10 dispel the heat, insulate
And prevent this accumulator body 10 from bursting, and by this second protective layer 52, protection can be strengthened further
Accumulator body 10, thus, not only improves the reliability of battery 100 and extends its service life, and
And by arranging the first protective layer 51 and function of the second protective layer 52, both reached expection protection battery
The purpose of 100, can make the best use of everything again, saves material material-saving.
Referring to Fig. 1, specifically, first protective layer 51 of the present embodiment is ceramic sheet layer, and ceramic wafer
The material of layer is fine ceramics, oxide ceramics, nitride ceramics or carbide ceramics.
Wherein, fine ceramics also known as high-performance ceramic, high-performance ceramics, its have high rigidity, high-melting-point,
Performance wear-resistant, corrosion-resistant, that dispel the heat and insulate.And the composition of this fine ceramics be mainly BeO, SiC,
AlN one or two or more kinds.
Oxide ceramics, the pottery being made up of one or several oxides, it is generally of higher melt temperature,
In oxidizing atmosphere highly stable, and there is higher mechanical strength, electrical insulation capability and chemical stability.
The composition of this oxide be mainly silica, aluminum oxide, iron oxide, calcium oxide one or two or more kinds.If
This oxide ceramics includes silica, aluminum oxide, iron oxide, calcium oxide, then the proportioning of silica is
65.94%, the proportioning 32.85% of aluminum oxide, the proportioning of iron oxide be 0.57%, the proportioning of calcium oxide be 0.31%.
Nitride ceramics, nitrogen and metal or nonmetalloid are main with the infusible compound that covalent bond combines
The pottery of composition, applies wider pottery to have silicon nitride (Si3N4), boron nitride (BN), aluminium nitride (AlN)
On pottery.The composition of this nitride ceramics is mainly silicon nitride, boron nitride, aluminium nitride one or two kinds
Above.
Carbide ceramics, carbon containing infusible compound is the pottery of main component, and wherein, a lot of carbide soften
Point is all more than 3000 DEG C.Most of carbide all have stronger oxidation resistance than carbon and graphite, and
And much carbide has the highest hardness and good chemical stability.The composition of this nitride ceramics is main
For SiC, WC, TiC, B4C, ZrC one or two or more kinds.
Please continue to refer to Fig. 1, second protective layer 52 of the present embodiment is sheet-metal layers, and sheet-metal layers
Material is aluminium alloy, steel, aluminium, copper or copper alloy, not only has preferable rigidity, and draws materials conveniently,
Cost performance is high.
The embodiment of battery
Refer to Fig. 1 and Fig. 2, below the most preferred embodiment of the battery 100 that the present invention provides is had
Body illustrates.
The battery 100 of the embodiment of the present invention includes accumulator body 10 and has above-mentioned protective cover 50
Structure, wherein, accumulator body 10 includes several cells 20, for these several cells 20
The fixture 30 that is fixedly installed with its positive extreme direction and be connected fixing with the positive pole of these several cells 20
Electric conductor 40, the first protective layer 51 is attached at electric conductor 40, and by by the first protective layer 51 with lead
Electricity body 40 laminating is arranged, and is the most promptly dispersed by the heat that battery 100 produces itself, Er Qieneng
Electric conductor 40 is insulated, then battery 100 is insulated, simultaneously, it is possible to protect by first
The characteristic of sheath 51 itself, prevents extraneous foreign matter from battery 100 causing the situation of explosion；Additionally, also
Owing to the first protective layer 51 is arranged with electric conductor 40 laminating, it is possible to reduce the first overcoat 51 bent and broken
The coefficient split.
Specifically, the model of these several cells 20 is 18650,54 altogether, every capacity
2600mAh, a diameter of 18mm, height are 65mm, and several cells 20 are cylinder, side
Shape or other shape；Fixture 30 is provided with the spliced eye of several and several corresponding grafting of cell 20,
Therefore, when several cells 20 are fixed on fixture 30, as long as by these several monomer electricity
Pond 20 is inserted in the spliced eye of correspondence.
To sum up, owing to the battery of the embodiment of the present invention has above-mentioned protective cover 50, not only improving it can
By property, extend its service life, moreover it is possible to reduce the production cost of battery 100.Further, be provided by
This protective cover 50, the anti-extrusion that both greatly strengthen battery 100, the performance piercing through, impacting, again can
Become the independent fire wall between battery 100, improve the insulation safety performance of battery 100 with this.
Refer to Fig. 1 and Fig. 2, it is preferable that the electric conductor 40 of the present embodiment be copper plate, copper alloy plate,
Nickel plate or nickel alloy plate.Wherein, copper plate has good mechanical performance, and hot lower plasticity is good, cold conditions
Lower plasticity still can, machinability is good, easily fine weldering and welding, and anti-corrosion, low price in addition, is to be widely used
A basis brass kind.And copper alloy plate, nickel plate or nickel alloy plate are also the conductions of other materials relatively
Body 40, not only has preferable electric conductivity, and is easy to draw materials, and cost performance is high.
Several cells 20 of the present embodiment are lithium ion single battery, and lithium ion single battery is
A kind of secondary cell (rechargeable battery), it relies primarily on lithium ion and moves work between a positive electrode and a negative electrode.
In charge and discharge process, Li+Come and go between two electrodes and embed and deintercalation: during charging, Li+Take off from positive pole
Embedding, embed negative pole through electrolyte, negative pole is in rich lithium state；During electric discharge the most contrary.Lithium ion single electricity
Pond typically uses the material containing elemental lithium as electrode.
The embodiment of the manufacture method of battery
Refer to Fig. 1 and Fig. 2, below the most preferred embodiment of manufacture method to the battery that the present invention provides
It is illustrated.
The cell manufacturing method of the present embodiment, comprises the following steps that
S10, preparation are in order to form several cells 20 of accumulator body 10, for these several monomers
Fixture 30 that battery 20 is fixedly installed with its positive extreme direction and the positive pole with these several cells 20
Connect fixing electric conductor 40, be also prepared for by order to protect accumulator body 10 and to make accumulator body 10 dissipate
Heat, insulate and the first protective layer 51 of preventing accumulator body 10 from burst and at least one be coated with this and first protect
Layer 51, in order to strengthen protect accumulator body 10 second protective layer 52 composition protective cover 50；
S20, inserting on fixture 30 by several cells 20 with its positive extreme direction, wherein, these are some
The model of individual cell 20 is 18650,54 altogether, every capacity 2600mAh, a diameter of 18mm, height
Degree is 65mm, and several cells 20 are cylinder, square or other shape；Fixture 30 is provided with
Several spliced eyes with several corresponding grafting of cell 20, therefore, by several cells 20
When being fixed on fixture 30, as long as these several cells 20 to be inserted in the spliced eye of correspondence；
S30, electric conductor 40 is connected to several described cells of having been fixed on described fixture 30
The positive pole of 20, to form accumulator body 10, it is preferred that electric conductor 40 and these several cells 20
Positive pole connection for welding or be fitted and connected；
S40, protective cover 50 is coated with described accumulator body 10, and makes the first of described protective cover 50 protect
Layer 51 is attached on the electric conductor 40 of described accumulator body 10, and by by the first protective layer 51 and electric conductor
40 laminatings are arranged, and are the most promptly dispersed by the heat that battery 100 produces itself, and can be to conduction
Body 40 insulate, and then insulate battery 100, simultaneously, it is possible to by the first protective layer 51
The characteristic of body, prevents extraneous foreign matter from battery 100 causing the situation of explosion, additionally, also due to first protects
Sheath 51 is arranged with electric conductor 40 laminating, it is possible to reduce the first overcoat 51 bent and the coefficient of fragmentation.
First, several cells 20, fixture 30 and electric conductor 40 are assembled, to assemble
Become accumulator body 10, be coated with this accumulator body 10 with protective cover 50 the most again, and make protective cover
First protective layer 51 of 50 is attached on the electric conductor 40 of accumulator body 10, thus, not only simplifies system
Make technique, and the heat that battery 100 produces can be dissipated by the first protective layer 51 by this protective cover 50
Going, meanwhile, battery 100 can also be played insulation, explosion-proof function by this first protective layer 51, from
And substantially increase the reliability of battery 100, stability, and extend its service life cycle.And with
Traditional storage battery manufacture method is compared, and the method for the present embodiment had both reduced material cost, alleviated again material
Weight and volume, is conducive to improving the specific energy of battery 100.
Referring to Fig. 1, specifically, first protective layer 51 of the present embodiment is ceramic sheet layer, and ceramic wafer
The material of layer is fine ceramics, oxide ceramics, nitride ceramics or carbide ceramics.
Wherein, fine ceramics also known as high-performance ceramic, high-performance ceramics, its have high rigidity, high-melting-point,
Performance wear-resistant, corrosion-resistant, that dispel the heat and insulate.
Oxide ceramics, the pottery being made up of one or several oxides, it is generally of higher melt temperature,
In oxidizing atmosphere highly stable, and there is higher mechanical strength, electrical insulation capability and chemical stability.
Nitride ceramics, nitrogen and metal or nonmetalloid are main with the infusible compound that covalent bond combines
The pottery of composition, applies wider pottery to have silicon nitride (Si3N4), boron nitride (BN), aluminium nitride (AlN)
On pottery.
Carbide ceramics, carbon containing infusible compound is the pottery of main component, and wherein, a lot of carbide soften
Point is all more than 3000 DEG C.Most of carbide all have stronger oxidation resistance than carbon and graphite, and
And much carbide has the highest hardness and good chemical stability.
Please continue to refer to Fig. 1, second protective layer 52 of the present embodiment is sheet-metal layers, and sheet-metal layers
Material is aluminium alloy, steel, aluminium, copper or copper alloy, not only has preferable rigidity, and draws materials conveniently,
Cost performance is high.
Refer to Fig. 1 and Fig. 2, the electric conductor 40 of the present embodiment be copper plate, copper alloy plate, nickel plate or
Nickel alloy plate.Wherein, copper plate has good mechanical performance, and hot lower plasticity is good, plasticity under cold conditions
Shang Ke, machinability is good, and the most fine weldering and welding, anti-corrosion, low price in addition, is widely used one
Basis brass kind.And copper alloy plate, nickel plate or nickel alloy plate are also the electric conductors 40 of other materials relatively,
Not only having preferable electric conductivity, and be easy to draw materials, cost performance is high.
Further, several cells 20 of the present embodiment are lithium ion single battery, lithium ion
Cell is a kind of secondary cell (rechargeable battery), and it relies primarily on lithium ion between a positive electrode and a negative electrode
Move work.In charge and discharge process, Li+Come and go between two electrodes and embed and deintercalation: during charging,
Li+From positive pole deintercalation, embedding negative pole through electrolyte, negative pole is in rich lithium state；During electric discharge the most contrary.
Lithium ion single battery typically uses the material containing elemental lithium as electrode.
The foregoing is only preferred embodiment of the present invention, its structure is not limited to the above-mentioned shape enumerated
Shape, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, all
Within protection scope of the present invention should being included in.
Claims (6)
1. battery, it is characterised in that: include accumulator body and protective cover structure；
Described protective cover structure includes:
It is coated with and is attached at described accumulator body, in order to protect described accumulator body and to make this battery originally
Body heat radiation, the first protective layer insulating and preventing this accumulator body from bursting；And
At least one is coated with described first protective layer, in order to strengthen protecting the second of described accumulator body to protect
Layer；
Wherein, described first protective layer is ceramic sheet layer, and the material of described ceramic sheet layer is fine ceramics, institute
State the composition of fine ceramics be mainly BeO, SiC, AlN one or two or more kinds；Or, described ceramic wafer
The material of layer is oxide ceramics, and described oxide ceramics includes silica, aluminum oxide, iron oxide and oxygen
Changing calcium, the proportioning of described silica is 65.94%, the proportioning 32.85% of described aluminum oxide, described iron oxide
Proportioning be 0.57%, the proportioning of described calcium oxide be 0.31%；Or, the material of described ceramic sheet layer is
Nitride ceramics, the composition of nitride ceramics is mainly silicon nitride, boron nitride, aluminium nitride one or two
More than Zhong；Or, the material of described ceramic sheet layer is carbide ceramics, the composition master of described carbide ceramics
SiC, WC, TiC, B to be4C, ZrC one or two or more kinds；
Described accumulator body includes several cells, supplies several cells described with its positive pole side
Positive pole to the fixture being fixedly installed and with several cells described is connected fixing electric conductor, described
First protective layer is attached at described electric conductor.
2. battery as claimed in claim 1, it is characterised in that: described second protective layer is sheet-metal layers,
And the material of described sheet-metal layers is aluminium alloy, steel, aluminium, copper or copper alloy.
3. battery as claimed in claim 1, it is characterised in that: described electric conductor is copper plate, copper conjunction
Gold plate, nickel plate or nickel alloy plate.
4. the battery as described in claim 1 or 3, it is characterised in that: several cells described are equal
For lithium ion single battery.
5. the manufacture method of battery, it is characterised in that comprise the following steps that
S10, preparation are in order to form several cells of accumulator body, for these several cells
The fixture that is fixedly installed with its positive extreme direction and be connected fixing with the positive pole of these several cells
Electric conductor, is also prepared for by order to protect accumulator body and to make accumulator body heat radiation, insulate and prevent electric power storage
First protective layer of pond body explosion is coated with this first protective layer, in order to strengthen protection battery with at least one
The protective cover of the second protective layer composition of body；
S20, several described cells are fixed on described fixture with its positive extreme direction；
S30, several the described cells being connected to electric conductor to have been fixed on described fixture are just
Pole, to form accumulator body；
S40, described protective cover is coated with described accumulator body, and makes the first protective layer of described protective cover
It is attached on the electric conductor of accumulator body；
Wherein, described first protective layer is ceramic sheet layer, and the material of described ceramic sheet layer is fine ceramics, institute
State the composition of fine ceramics be mainly BeO, SiC, AlN one or two or more kinds；Or, described ceramic wafer
The material of layer is oxide ceramics, and described oxide ceramics includes silica, aluminum oxide, iron oxide and oxygen
Changing calcium, the proportioning of described silica is 65.94%, the proportioning 32.85% of described aluminum oxide, described iron oxide
Proportioning is 0.57%, the proportioning of described calcium oxide is 0.31%；Or, the material of described ceramic sheet layer is nitridation
Thing pottery, the composition of nitride ceramics be mainly silicon nitride, boron nitride, aluminium nitride a kind of or two kinds with
On；Or, the material of described ceramic sheet layer is carbide ceramics, and the composition of described carbide ceramics is predominantly
SiC、WC、TiC、B4C, ZrC one or two or more kinds.
6. the manufacture method of battery as claimed in claim 5, it is characterised in that: described second protective layer
For sheet-metal layers, the material of described sheet-metal layers is aluminium alloy, steel, aluminium, copper or copper alloy.
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| CN201410328507.XA CN104103789B (en) | 2014-07-10 | 2014-07-10 | Battery, the protective cover structure of battery and the manufacture method of battery |
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| CN201410328507.XA CN104103789B (en) | 2014-07-10 | 2014-07-10 | Battery, the protective cover structure of battery and the manufacture method of battery |
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| CN104103789B true CN104103789B (en) | 2016-08-24 |
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| CN210200908U (en) * | 2019-01-28 | 2020-03-27 | 天津荣事顺发电子有限公司 | Quick heat abstractor to battery electrode |
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