CN107069059A - Thermal battery activating device based on PVDF thin film - Google Patents
Thermal battery activating device based on PVDF thin film Download PDFInfo
- Publication number
- CN107069059A CN107069059A CN201710034553.2A CN201710034553A CN107069059A CN 107069059 A CN107069059 A CN 107069059A CN 201710034553 A CN201710034553 A CN 201710034553A CN 107069059 A CN107069059 A CN 107069059A
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- thin film
- cell
- pvdf thin
- battery
- device based
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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
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/30—Deferred-action cells
- H01M6/36—Deferred-action cells containing electrolyte and made operational by physical means, e.g. thermal cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5088—Initial activation; predischarge; Stabilisation of initial voltage
-
- 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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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
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Abstract
Activation device based on PVDF thin film thermal cell, including PVDF thin film, electrode, electric igniter, insulating barrier, insulated conductor, gravity block, the bar that ignites, cell, housing, battery electrode, wire；Housing upper strata is provided with cell, and cell upper end is connected with battery electrode, is set on the outside of cell and bottom is provided with the bar that ignites；Housing lower floor is disposed with gravity block, insulating barrier, electrode and PVDF thin film from the top down；Manhole is provided with the middle of gravity block, manhole is internally provided with electric igniter, interlayer is provided between upper strata and lower floor, the centre of interlayer is provided with opening.The present invention, as the activation energy, is occupied little space using PVDF thin film, meets the microminaturization requirement of thermal cell；Activationary time is short, and activation reliability is up to more than 99.5%, good reliability；PVDF thin film soft texture, it is lightweight, it is simple as activation energy resource structure, it is easy to processing and assembling.
Description
Technical field
The invention belongs to fuse, guided missile and Aero-Space thermal cell technical field, and in particular to the heat based on PVDF thin film
Battery activated device.
Background technology
Thermal cell is that the electrolyte inside thermal cell is nonconducting solid under the battery by heat activation, normal temperature, is used
Shi Liyong activates device（Electricity point head living or striker excite igniter cap）Kindling paper in point fuel cell, makes inside battery electrolyte rise rapidly
Temperature fusing is simultaneously conductive, and battery is activated, while exporting electric energy.
At present, the primary activation mode of domestic thermal cell has two kinds:One kind is electrical activation, i.e., ignite electric point using external power
Duration and degree of heating is under fire, the heating plate that ignites activation thermal cell；Another is mechanical activation, i.e., igniter cap ignition is ignited using mechanical energy and add
Backing activates thermal cell.Electrical activation needs the external electrical apparatus such as applied mechanical generator, and mechanical activation is needed in battery floor
End design igniter cap broad-mouthed receptacle for holding liquid loads igniter cap, separately needs additional firing pin, spring, the part such as guide cylinder.The existing active mode of both the above lack
Point is：（1）Electrically activate and mechanical activation is all to light Kindling paper by priming system to refire heating plate, the various materials of the process
Burning velocity is slow, and activationary time is longer, and more than 0.3s is needed at the soonest, it is impossible to meet property weapon requirement；（2）The above two
Plant active mode to be required to add other devices in addition, volume is larger, take space in bullet and greatly, be unfavorable for realizing the small of thermal cell
Type；（3）Additional activation apparatus structure is complicated, and the production cycle is long.
PVDF（Polyvinylidene Fluoride, abbreviation PVDF）Polyvinylidene fluoride, with piezoelectric property, that is, exists
Pressure effect is lower to be occurred polarization and the opposite electric charge of symbol is produced on the end surfaces of material two, and force direction changes, electric charge pole
Property is also with change, and after external force is removed, the dielectric returns to uncharged state again.
According to the shortcomings of the prior art, it is necessary to reference to PVDF（Polyvinylidene Fluoride,
Abbreviation PVDF）Polyvinylidene fluoride, characteristic, invent a kind of device of creative and novelty.
The content of the invention
The present invention provides a kind of thermal battery activating device based on PVDF thin film, and existing thermal cell activation side is solved with this
Formula space-consuming is big, activationary time is long, the problems such as being not easy to assembling.
The present invention is achieved through the following technical solutions：Activation device based on PVDF thin film thermal cell, PVDF is thin
Film, electrode, electric igniter, insulating barrier, insulated conductor, gravity block, the bar that ignites, cell, housing, battery electrode, wire；
The housing is set in the middle of battery upper strata and battery lower floor, levels be provided with the middle of cell interlayer, cell interlayer and set
It is equipped with circular hole；
The battery upper strata is internally provided with cell, and the top of the cell is connected with battery electrode, the monomer
The bar that ignites is provided between battery and layer shell madial wall, between cell and cell interlayer；
The battery lower floor is disposed with gravity block, insulating barrier, electrode and PVDF thin film from the top down；The gravity block is set
For cylinder, and to be provided with Circularhole diameter in the middle of manhole, manhole diameter and cell interlayer identical for centre；
Electric igniter is connected in series with two electrodes respectively by insulated conductor；PVDF thin film is provided between two electrodes；
Between the electrode and insulated conductor, battery lower floor madial wall, battery lower floor bottom surface inwall be provided with insulating barrier, insulate
Layer ensures that PVDF thin film insulate with housing, gravity block, and PVDF thin film is used for providing the energy to thermal cell.
As a kind of perferred technical scheme, the thickness of PVDF thin film is arranged between ten to one thousand micrometer range.
As a kind of perferred technical scheme, the material of the gravity block is steel disc.
As a kind of perferred technical scheme, the cell is set to cylinder.
As a kind of perferred technical scheme, the upper end of electric igniter and the distance between the bar that ignites are set smaller than 5mm.
As a kind of perferred technical scheme, the thickness of the activation device is arranged within 1mm.
As a kind of perferred technical scheme, heating plate, cathode sheets, anode strip, electrolysis are included inside the cell
Matter and collector plate.
Manhole is provided with the middle of gravity block of the present invention, and manhole is internally provided with electric igniter；It is acted on
The overload that PVDF thin film is subject to when gun pressure effect is increased.
Electric igniter two ends of the present invention are connected with insulated conductor, are connected between the PVDF thin film positive and negative electrode, its
It act as：When being reached overload condition by gun pressure effect, PVDF thin film lights electric point with electric igniter formation loop, current impulse
Duration and degree of heating.Electric igniter further lights Kindling paper, so that activated batteries.
The present invention is provided with PVDF thin film, and PVDF thin film soft texture, it is easy to process is simple in construction, it is easy to assemble.
The thermal cell activation energy of the present invention uses PVDF thin film.
Compared with existing active mode, the beneficial effects of the present invention are：（1）Thermoelectricity of the invention based on PVDF thin film
Pond activation device gross thickness is less than 1mm, occupies little space, meets the microminaturization requirement of thermal cell；（2）Battery reached carrier strip
During part（Pressure is more than 300Mpa）PVDF thin film, which produces current impulse and can quickly lighted in 5 microseconds in Kindling paper, 10 milliseconds, to swash
Battery living, activationary time is short, and activation reliability is up to more than 99.5%, good reliability；（3）PVDF thin film soft texture, it is easy to plus
Work, it is simple in construction, it is easy to assemble.
Brief description of the drawings
Fig. 1 is the thermal battery activating device structural representation of the invention based on PVDF thin film；
Fig. 2 is circuit theory diagrams of the present invention；
Fig. 3 is that specific embodiment moderate heat bore is buckled line chart；
PVDF stress diagrams when Fig. 4 is present invention experiment；
Fig. 5 is main line voltage curve under present invention experiment stress；
Fig. 6 is main line current curve diagram under present invention experiment stress.
Number explanation in figure：1 PVDF thin film；2 electrodes；3 insulated conductors；4 insulating barriers；5 electric igniters；6 gravity blocks；7 draw
Fire bar；8 cells；9 housings；10 battery electrodes；11 battery upper stratas；12 battery lower floors；13 cell interlayers；14 wires.
Embodiment
The present invention is described in further detail with specific experiment example below in conjunction with the accompanying drawings, is easy to be apparent from this hair
It is bright, but they do not constitute restriction to the present invention.
With reference to shown in Fig. 1：Thermal battery activating device based on PVDF thin film, including：PVDF thin film 1, electrode 2, insulation are led
Line 3, insulating barrier 4, electric igniter 5, gravity block 6, the bar 7 that ignites, cell 8, housing 9, battery electrode 10, battery upper strata 11,
Battery lower floor 12, cell interlayer 13.
The housing 9 is set to cylinder, and housing 9 is set to set in the middle of battery upper strata 11 and battery lower floor 12, levels
It is equipped with the middle of cell interlayer 13, cell interlayer 13 and is provided with circular hole；
The battery upper strata 11 is internally provided with cell 8, and the top of the cell 8 is connected with battery electrode 10, institute
State between cell 8 and layer shell madial wall, be provided with the bar 7 that ignites between cell 8 and cell interlayer 13；
The battery lower floor 12 is disposed with gravity block 6, insulating barrier 4, electrode 2 and PVDF thin film 1 from the top down；The gravity
Block 6 is set to cylinder, and centre is provided with manhole, manhole diameter and the middle Circularhole diameter phase of cell interlayer 13
Together；
Electric igniter 5 is connected in series with two electrodes 2 respectively by insulated conductor 3；PVDF thin film is provided between two electrodes 2
1；
Between the electrode 2 and insulated conductor 3, the madial wall of battery lower floor 12, the bottom surface inwall of battery lower floor 12 be provided with insulation
Layer 4, insulating barrier 4 ensures that PVDF thin film 1 insulate with housing, gravity block 6, and PVDF thin film 1 is used for providing the energy to thermal cell.
The inside of cell 8 includes heating plate, cathode sheets, anode strip, electrolyte and collector plate.When cell 8
When being reached overload condition by gun pressure effect, PVDF thin film 1 produces current impulse and lights electric igniter 5, and then lights the bar 7 that ignites
With the heating plate in cell 8, cell 8 is started working.
The material of the gravity block 6 is steel disc, can select different sizes according to thermal cell size and space requirement.
The thickness of the PVDF thin film thermal battery activating device is less than 1mm.
The upper end of the electric igniter 5 and the distance between the bar 7 that ignites are set smaller than 5mm.
The PVDF thin film（1）Thickness be arranged between ten to one thousand micrometer range.The material of the gravity block is steel
Piece.
The cell is set to cylinder.
It is PVDF thin film thermal battery activating device circuit theory diagrams with reference to Fig. 2：Circuit is constituted：Electric igniter 5, wire
14, PVDF thin film 1.
The two end electrodes 2 of PVDF thin film 1 are connected with wire 14 and electric igniter 5, are reached when thermal cell receives gun pressure effect
During to overload condition, PVDF thin film 1 produces electric current through the inflow electric igniter 5 of wire 14 due to piezo-electric effect.
The gun pressure effect curves with reference to suffered by Fig. 3 is body in the small-sized bullet emission process of certain cannon, gun pressure maximum exceedes
300Mpa, action time is less than 10ms.For simulate this process the surge shown in Fig. 4 is loaded on by PVDF thin film 1 as
On the thermal cell for activating the energy, PVDF thin film 1 is connected with electric igniter 5, measure main line voltage and electric current time-history curves such as Fig. 5 with
Shown in Fig. 6, as a result show that the electric igniter that firing current is 0.5A is under fire rapidly in 5 microseconds.
The present invention activates the energy using PVDF thin film 1 as thermal cell, and gross thickness occupies little space within 1mm, meets
The microminaturization requirement of thermal cell；When battery reaches overload condition（Pressure is more than 300Mpa）PVDF thin film produces current impulse can
Activated batteries in Kindling paper, 10 milliseconds quickly are lighted in 5 microseconds, activationary time is short, activation reliability is up to more than 99.5%,
Good reliability；PVDF thin film soft texture, it is lightweight, it is easy to processing and assembling.
Thermal battery activating device gross thickness of the invention based on PVDF thin film is less than 1mm, occupies little space, meets thermal cell
Microminaturization requirement；When battery reaches overload condition（Pressure is more than 300Mpa）PVDF thin film produces current impulse can be micro- 5
Activated batteries in Kindling paper, 10 milliseconds quickly are lighted in second, activationary time is short, activation reliability is up to more than 99.5%, reliability
It is good；
The PVDF thin film soft texture of the present invention, it is easy to process, it is simple in construction, it is easy to assemble.
Above-described embodiment is only that present inventive concept way of realization is enumerated, and protection scope of the present invention is not limited only to
Embodiment is stated, it is thinkable according to the technical concept institute of the present invention that protection scope of the present invention may extend to those skilled in the art
Equivalent technologies mean.
Claims (7)
1. the thermal battery activating device based on PVDF thin film, it is characterised in that including PVDF thin film（1）, electrode（2）, insulation lead
Line（3）, insulating barrier（4）, electric igniter,（5）Gravity block（6）, ignite bar（7）, cell（8）, housing（9）, battery electrode
（10）；
The housing（9）It is set to cylinder, housing（9）It is set to battery upper strata（11）With battery lower floor（12）, in levels
Between be provided with cell interlayer（13）, cell interlayer（13）Centre is provided with circular hole；
The battery upper strata（11）It is internally provided with cell（8）, the cell（8）Top and battery electrode（10）
It is connected, the cell（8）Between layer shell madial wall, cell（8）With cell interlayer（13）Between be respectively provided with
Ignite bar（7）；
The battery lower floor（12）Gravity block is disposed with from the top down（6）, insulating barrier（4）, electrode（2）And PVDF thin film
（1）；The gravity block（6）Cylinder is set to, and centre is provided with manhole, manhole diameter and cell interlayer（13）
Middle Circularhole diameter is identical；
Electric igniter（5）Pass through insulated conductor（3）Respectively with two electrodes（2）It is connected in series；Two electrodes（2）Between be provided with
PVDF thin film（1）；
The electrode（2）With insulated conductor（3）Between, battery lower floor（12）Madial wall, battery lower floor（12）Bottom surface inwall is all provided with
It is equipped with insulating barrier（4）, insulating barrier（4）Ensure PVDF thin film（1）With housing, gravity block（6）Insulation；PVDF thin film（1）For to
Thermal cell provides the energy.
2. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that the PVDF thin film
（1）Thickness be arranged between ten to one thousand micrometer range.
3. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that the gravity block（6）
Material be steel disc.
4. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that the cell
（8）It is set to cylinder.
5. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that electric igniter（5）'s
Upper end and the bar that ignites（7）The distance between be set smaller than 5mm.
6. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that the activation device
Thickness is arranged within 1mm.
7. the thermal battery activating device based on PVDF thin film according to claim 1, it is characterised in that the cell
（8）Inside includes heating plate, cathode sheets, anode strip, electrolyte and collector plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034553.2A CN107069059B (en) | 2017-01-18 | 2017-01-18 | Thermal battery activation device based on PVDF film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710034553.2A CN107069059B (en) | 2017-01-18 | 2017-01-18 | Thermal battery activation device based on PVDF film |
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| Publication Number | Publication Date |
|---|---|
| CN107069059A true CN107069059A (en) | 2017-08-18 |
| CN107069059B CN107069059B (en) | 2023-05-09 |
Family
ID=59598558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710034553.2A Active CN107069059B (en) | 2017-01-18 | 2017-01-18 | Thermal battery activation device based on PVDF film |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193002A (en) * | 2018-09-20 | 2019-01-11 | 贵州梅岭电源有限公司 | A kind of miniaturization overload activation thermal cell and preparation method thereof |
| CN114464826A (en) * | 2021-12-30 | 2022-05-10 | 贵州梅岭电源有限公司 | Split type activation thermal battery |
| CN115332739A (en) * | 2022-05-16 | 2022-11-11 | 上海空间电源研究所 | Combined battery case based on laser activation |
| RU218024U1 (en) * | 2023-02-15 | 2023-05-02 | Акционерное общество "Энергия" (АО "Энергия") | THERMAL CHEMICAL CURRENT SOURCE |
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| JPH1126734A (en) * | 1997-07-03 | 1999-01-29 | Seiko Epson Corp | Transfer method of thin film device, thin film device, thin film integrated circuit device, active matrix substrate and liquid crystal display device |
| CN103187576A (en) * | 2011-12-28 | 2013-07-03 | 清华大学 | Current collector, electrochemical battery electrode and electrochemical battery |
| CN104466258A (en) * | 2014-12-05 | 2015-03-25 | 江苏天鹏电源有限公司 | Cylindrical lithium battery preparation method and formula of conductive pulp of cylindrical lithium battery |
| CN105789652A (en) * | 2014-12-23 | 2016-07-20 | 中国电子科技集团公司第十八研究所 | Preparation method of thin monomer thermal battery |
| CN206546856U (en) * | 2017-01-18 | 2017-10-10 | 沈阳理工大学 | A kind of thermal battery activating device based on PDVF films |
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2017
- 2017-01-18 CN CN201710034553.2A patent/CN107069059B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1126734A (en) * | 1997-07-03 | 1999-01-29 | Seiko Epson Corp | Transfer method of thin film device, thin film device, thin film integrated circuit device, active matrix substrate and liquid crystal display device |
| CN103187576A (en) * | 2011-12-28 | 2013-07-03 | 清华大学 | Current collector, electrochemical battery electrode and electrochemical battery |
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| CN206546856U (en) * | 2017-01-18 | 2017-10-10 | 沈阳理工大学 | A kind of thermal battery activating device based on PDVF films |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109193002A (en) * | 2018-09-20 | 2019-01-11 | 贵州梅岭电源有限公司 | A kind of miniaturization overload activation thermal cell and preparation method thereof |
| CN114464826A (en) * | 2021-12-30 | 2022-05-10 | 贵州梅岭电源有限公司 | Split type activation thermal battery |
| CN115332739A (en) * | 2022-05-16 | 2022-11-11 | 上海空间电源研究所 | Combined battery case based on laser activation |
| RU218024U1 (en) * | 2023-02-15 | 2023-05-02 | Акционерное общество "Энергия" (АО "Энергия") | THERMAL CHEMICAL CURRENT SOURCE |
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| CN107069059B (en) | 2023-05-09 |
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