CN107742739A - all-solid-state battery mould - Google Patents
all-solid-state battery mould Download PDFInfo
- Publication number
- CN107742739A CN107742739A CN201710821957.6A CN201710821957A CN107742739A CN 107742739 A CN107742739 A CN 107742739A CN 201710821957 A CN201710821957 A CN 201710821957A CN 107742739 A CN107742739 A CN 107742739A
- Authority
- CN
- China
- Prior art keywords
- pressure
- solid
- metalwork
- state battery
- applying unit
- 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.)
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0481—Compression means other than compression means for stacks of electrodes and separators
-
- 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 relates to a kind of all-solid-state battery mould, pressure-applying unit is used to provide pressure, including hollow internal thread metalwork and screw thread matches therewith hollow external screw thread metalwork；Pressure conduction component is placed in pressure-applying unit, for by the pressure conduction that pressure-applying unit provides to the electrode and electrolyte for being placed in all-solid-state battery；Pressure conduction component includes the bar-shaped metalwork for being capable of external lead wire；Insulation assembly is used to prevent that all-solid-state battery is short-circuit, including insulation spacer and insulating sleeve, insulation spacer is placed between the bar-shaped metalwork of external lead wire and hollow internal thread metalwork, and insulating sleeve is placed between the bar-shaped metalwork of external lead wire and hollow external screw thread metalwork.The present invention is in addition to sealing, built-in electrical insulation necessary to possessing battery mould, the minimum 0, MPa of highest 200 pressure is provided for also without corollary equipment, space availability ratio is high, and suitable for minimum 90 degrees Celsius, the test of 250 degrees Celsius of highest and temperature in use.
Description
Technical field
The present invention relates to a kind of chemical cell mould, more particularly to a kind of all-solid-state battery mould, belong to all-solid-state battery
Technical field of mold.
Background technology
All-solid-state battery is according to certain structure composition by the positive pole of pure solid-state, negative pole and electrolyte three parts.Because
When all-solid-state battery works, positive pole and negative pole can pass through the mass transfer of electrolyte progress solid phase, it is therefore desirable to positive pole, negative pole
Apply high pressure with electrolyte, to promote mass transfer, so as to improve the chemical property of all-solid-state battery.Such as document
（Applied Physics A, 2016, 122, 251）All-solid-state battery of the report using complex hydrides as electrolyte needs
100 more than MPa pressure can just show preferable chemical property.
In the prior art, commercialized button cell mould（Such as CR2032）Pressure, institute are provided by the elasticity of shell
10 MPa are generally less than with pressure；Some other battery moulds（Such as Chinese patent, application number CN201010604223.0；Text
Offer Nanotechnology, 2015,26,254001）, due to producing pressure using spring, according to mechanical design handbook,
100 more than MPa pressure can not be provided；Pressure controllable type battery assembling kit mould（Chinese patent, application number
CN201620521610.0）Pressure is applied to realize pressurization, still, the mould to upper and lower core rod by using pressure controllable equipment
Having needs supporting pressure controllable equipment, and pressure controllable equipment（Such as hydraulic press）Following shortcoming simultaneously or partially be present：（1）Body
Product, weight are big,（2）Cost is high,（3）Incompatible hot conditions, this causes the all-solid-state battery of mass, systematization to test and make
With can not realize.
The content of the invention
The present invention is intended to provide a kind of all-solid-state battery mould, the mould is except sealing necessary to possessing battery mould
Property, outside built-in electrical insulation, high pressure is provided for also without corollary equipment, space availability ratio is high, and relevance grade scope is wide.
To achieve the above object, the technical scheme is that：A kind of all-solid-state battery mould, including pressure-applying unit, pressure
Power conducting subassembly and insulation assembly, the pressure-applying unit are used to provide pressure, including hollow internal thread metalwork and spiral shell therewith
The hollow external screw thread metalwork of line matching；Pressure conduction component is placed in pressure-applying unit, for the pressure for providing pressure-applying unit
Power conducts the electrode and electrolyte of the all-solid-state battery to being placed in pressure conduction component bottom；The pressure conduction component includes
It is capable of the bar-shaped metalwork of external lead wire；Insulation assembly is used to prevent that all-solid-state battery is short-circuit, including insulation spacer and insulation sleeve
Pipe, insulation spacer are placed between the bar-shaped metalwork of external lead wire and hollow internal thread metalwork, and insulating sleeve is placed in external
Between the bar-shaped metalwork of lead and hollow external screw thread metalwork.
Preferably, the pressure that pressure-applying unit provides being calculated by the moment of torsion applied to it.
Preferably, pressure-applying unit includes the internal thread metalwork of barreled and the external screw thread metalwork of a barreled,
The end face of one of metalwork is provided with aperture, for drawing the lead of pressure conduction component, another metalwork end face without
Hole.
Preferably, the material of the pressure-applying unit and pressure conduction component is one kind in iron, copper, aluminium and its alloy.
Preferably, the material of the insulation assembly is one in polytetrafluoroethylene (PTFE), nylon, polyether-ether-ketone and its derivative
Kind.
Preferably, the junction of pressure-applying unit, pressure conduction component and insulation assembly is carried out using sealing ring, stop-leak compound
Sealing.
The present invention compared with prior art, has an advantageous effect in that：（1）It is high without the controllable offer of corollary equipment can
Pressure, as stainless steel pressure-applying unit can provide 200 MPa pressure；（2）Space availability ratio is high, small volume, compatible mass
Test and use, such as when a diameter of 2 centimetres of electrode and electrolyte, mould volume only has 50 cubic centimetres；（3）Applicable temperature
Scope is wide, if polyether-ether-ketone insulation assembly is available for minimum -90 degrees Celsius, the test of 250 degrees Celsius of highest and temperature in use.
Brief description of the drawings
Fig. 1 is each component assembling schematic diagram of all-solid-state battery mould of the present invention；
Fig. 2 is that each component of all-solid-state battery mould of the present invention splits schematic diagram；
Fig. 3 by the present invention according to embodiment 1 the AC impedance figure of survey battery at different temperatures；
Fig. 4 by the present invention according to embodiment 2 charging and discharging curve figure of the survey battery at 55 DEG C；
Fig. 5 by the present invention according to embodiment 3 charging and discharging curve figure of the survey battery at 125 DEG C.
Embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and examples.
Embodiment one：
As Fig. 1 and Fig. 2 such as show, a kind of all-solid-state battery mould, the mould includes the internal thread Al-alloy parts 1 of tubbiness, tubbiness
External screw thread Al-alloy parts 5, the bar-shaped Al-alloy parts 3 of external lead wire, teflon insulation pad 2 and teflon insulation set
Pipe 4.In, 1.1 be internal thread, and 5.2 be corresponding external screw thread, and 5.1 be sealing ring.Other 6 be the positive pole of all-solid-state battery, electrolysis
Matter and negative pole.It is connected through a screw thread between the internal thread Al-alloy parts 1 of tubbiness and the external screw thread Al-alloy parts 5 of tubbiness, tubbiness
The bar-shaped Al-alloy parts 3 of external lead wire, the external screw thread Al-alloy parts 5 and external lead wire of tubbiness are put into external screw thread Al-alloy parts 5
Bar-shaped Al-alloy parts 3 between insulated with teflon insulation sleeve pipe 4, the top of bar-shaped Al-alloy parts 3 of external lead wire is with poly-
The insulated contact of internal thread Al-alloy parts 1 of tetrafluoroethene insulation spacer 2 and tubbiness.Open the end face of internal thread Al-alloy parts 1 of tubbiness
There is aperture, the lead of the bar-shaped Al-alloy parts 3 for drawing external lead wire.
With positive pole（20 mg LiFePO4s and 1 mg conduction carbon mixs）, electrolyte（200 mg lithium borohydrides-lithium iodide）
And negative pole（100 mg lithiums）Order be placed in all-solid-state battery mould, sealed using stop-leak compound docking port, and using turn round
Square spanner applies 10 Ns of rice moments of torsion and pressurizeed, and by calculating, pressure is 50 MPa, is carried out respectively at 35 DEG C, 55 DEG C, 75 DEG C
Electrochemical impedance spectroscopy is tested.As shown in figure 3, the battery of two identical proportionings is respectively tested at every kind of temperature.Test result shows, phase
Under synthermal, two cell testing results repeatability are high, it was demonstrated that and all-solid-state battery mould uniformity of the present invention is good, meanwhile, it is different
At a temperature of battery impedance test result close to theoretical value, it was demonstrated that all-solid-state battery mould of the present invention will not introduce extra resistance
It is anti-.
Embodiment two：
As Fig. 1 and Fig. 2 such as show, a kind of all-solid-state battery mould, the mould includes the internal thread Al-alloy parts 1 of tubbiness, tubbiness
External screw thread Al-alloy parts 5, the bar-shaped Al-alloy parts 3 of external lead wire, nylon insulation spacer 2 and nylon insulating sleeve 4.Wherein, 1.1
It is corresponding external screw thread for internal thread, 5.2,5.1 be sealing ring.Wherein 6 be positive pole, electrolyte and the negative pole of all-solid-state battery.
It is connected through a screw thread between the internal thread Al-alloy parts 1 of tubbiness and the external screw thread Al-alloy parts 5 of tubbiness, the external screw thread aluminium of tubbiness closes
The bar-shaped Al-alloy parts 3 of external lead wire are put into golden part 5, the external screw thread Al-alloy parts 5 of tubbiness close with the bar-shaped aluminium of external lead wire
Insulated between golden part 3 with nylon insulating sleeve 4, the top of bar-shaped Al-alloy parts 3 nylon insulation spacer 2 and the tubbiness of external lead wire
The insulated contact of internal thread Al-alloy parts 1.The end face of internal thread Al-alloy parts 1 of tubbiness is provided with aperture, for drawing external lead wire
Bar-shaped Al-alloy parts 3 lead.
With positive pole（7 mg lithium titanates, 2 mg lithium borohydrides and 1 mg conduction carbon mixs）, electrolyte（80 mg boron hydrogen
Change lithium）And negative pole（20 mg lithiums）Order be placed in all-solid-state battery mould, sealed using stop-leak compound docking port, and make
Apply 20 Ns of rice moments of torsion with torque wrench to be pressurizeed, by calculating, pressure is 100 MPa, and battery charge and discharge is carried out at 55 DEG C
Electric performance test.As shown in figure 4, under 0.1 C electric current, the solid-state lithium titanate battery charging platform using the mould is 1.6
V, discharge platform are 1.5 V, and first charge-discharge has 155 mAh/g capacity, and still possesses 139 mAh/g's after circulating 5 times
Battery capacity.
Embodiment three：
As Fig. 1 and Fig. 2 such as show, a kind of all-solid-state battery mould, the mould includes the internal thread stainless steel part 1 of tubbiness, tubbiness
External screw thread stainless steel part 5, the bar-shaped stainless steel part 3 of external lead wire, nylon insulation spacer 2 and nylon insulating sleeve 4.Wherein, 1.1
It is corresponding external screw thread for internal thread, 5.2,5.1 be sealing ring.Wherein 6 be positive pole, electrolyte and the negative pole of all-solid-state battery.
It is connected through a screw thread between the internal thread stainless steel part 1 of tubbiness and the external screw thread stainless steel part 5 of tubbiness, the external screw thread of tubbiness is stainless
It is put into the bar-shaped stainless steel part 3 of external lead wire in steel part 5, the external screw thread stainless steel part 5 of tubbiness is bar-shaped stainless with external lead wire
Insulated between steel part 3 with nylon insulating sleeve 4, the top of bar-shaped stainless steel part 3 nylon insulation spacer 2 and the tubbiness of external lead wire
The insulated contact of internal thread stainless steel part 1.The end face of internal thread stainless steel part 1 of tubbiness is provided with aperture, for drawing external lead wire
Bar-shaped stainless steel part 3 lead.
With positive pole（10 mg sulphur, 5 mg conductive carbons and the mg of 5 mg lithium borohydrides mixture 20, electrolyte（100 mg boron hydrogen
Change lithium-lithium chloride）, negative pole（50 mg lithiums）Order be placed in all-solid-state battery mould, using stop-leak compound docking port carry out it is close
Envelope, and apply 10 Ns of rice moments of torsion using torque wrench and pressurizeed, by calculating, pressure is 50 MPa, and electricity is carried out at 125 DEG C
Pond charge-discharge performance test.As shown in figure 5, under 0.2 C electric current, it is using the solid-state lithium-sulfur cell charging platform of the mould
2.5V, discharge platform 2V, first charge-discharge has 1280 mAh/g capacity, and during second of circulation, battery is still possessed
1200 mAh/g capacity.
Claims (6)
1. a kind of all-solid-state battery mould, including pressure-applying unit, pressure conduction component and insulation assembly, it is characterised in that：It is described
Pressure-applying unit is used to provide pressure, including hollow internal thread metalwork and screw thread matches therewith hollow external screw thread metal
Part；Pressure conduction component is placed in pressure-applying unit, for by the pressure conduction that pressure-applying unit provides to being placed in pressure conduction component
The electrode and electrolyte of all-solid-state battery in bottom；The pressure conduction component includes the bar-shaped metal for being capable of external lead wire
Part；The insulation assembly is used to prevent that all-solid-state battery is short-circuit, including insulation spacer and insulating sleeve, insulation spacer are placed in external
Between the bar-shaped metalwork of lead and hollow internal thread metalwork, insulating sleeve is placed in the bar-shaped metalwork of external lead wire with
Between empty external screw thread metalwork.
2. all-solid-state battery mould according to claim 1, it is characterised in that：The pressure that the pressure-applying unit provides can be with
Pass through being calculated for the moment of torsion that applies to it.
3. all-solid-state battery mould according to claim 1, it is characterised in that：The pressure-applying unit includes barreled
The external screw thread metalwork of internal thread metalwork and a barreled, the end face of one of metalwork is provided with aperture, for drawing
The lead of pressure conduction component, another metalwork end face are non-porous.
4. all-solid-state battery mould according to claim 1, it is characterised in that：Pressure-applying unit and the pressure conduction component
Material be iron, copper, aluminium and its alloy in one kind.
5. all-solid-state battery mould according to claim 1, it is characterised in that：The material of the insulation assembly is polytetrafluoro
One kind in ethene, nylon, polyether-ether-ketone and its derivative.
6. all-solid-state battery mould according to claim 1, it is characterised in that：The pressure-applying unit, pressure conduction component
Sealed with the junction of insulation assembly using sealing ring, stop-leak compound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710821957.6A CN107742739B (en) | 2017-09-13 | 2017-09-13 | All-solid-state battery mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710821957.6A CN107742739B (en) | 2017-09-13 | 2017-09-13 | All-solid-state battery mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107742739A true CN107742739A (en) | 2018-02-27 |
| CN107742739B CN107742739B (en) | 2019-11-29 |
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ID=61235672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710821957.6A Active CN107742739B (en) | 2017-09-13 | 2017-09-13 | All-solid-state battery mold |
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| Country | Link |
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| CN (1) | CN107742739B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244535A (en) * | 2018-11-01 | 2019-01-18 | 上海理工大学 | The preparation method of lithium borohydride base solid electrolyte material |
| CN109616696A (en) * | 2018-11-22 | 2019-04-12 | 浙江工业大学 | A kind of flexible foldable all-solid-state battery and its manufacturing method |
| CN109950633A (en) * | 2019-03-15 | 2019-06-28 | 上海空间电源研究所 | A kind of all-solid-state battery preparation method and its mold |
Citations (7)
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|---|---|---|---|---|
| JPH05283057A (en) * | 1992-03-30 | 1993-10-29 | Shin Kobe Electric Mach Co Ltd | Terminal sealing section for sealed lead-acid battery |
| CN201575983U (en) * | 2009-10-27 | 2010-09-08 | 南昌大学 | Analog battery die with two electrodes |
| CN102654566A (en) * | 2012-05-02 | 2012-09-05 | 上海交通大学 | Novel lithium air cell mould |
| CN202631710U (en) * | 2012-05-02 | 2012-12-26 | 上海交通大学 | Novel lithium air battery mould |
| CN203445191U (en) * | 2013-08-13 | 2014-02-19 | 张家港市智周工业技术有限公司 | Battery mold moving mechanism of full-automatic plate packaging machine for battery plates |
| CN203721817U (en) * | 2014-02-20 | 2014-07-16 | 新乡锦润科技有限公司 | Lithium-ion button cell mould |
| CN204464420U (en) * | 2014-12-17 | 2015-07-08 | 海南大学 | The dismountable Novel lithium air cell mould of a kind of both positive and negative polarity |
-
2017
- 2017-09-13 CN CN201710821957.6A patent/CN107742739B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05283057A (en) * | 1992-03-30 | 1993-10-29 | Shin Kobe Electric Mach Co Ltd | Terminal sealing section for sealed lead-acid battery |
| CN201575983U (en) * | 2009-10-27 | 2010-09-08 | 南昌大学 | Analog battery die with two electrodes |
| CN102654566A (en) * | 2012-05-02 | 2012-09-05 | 上海交通大学 | Novel lithium air cell mould |
| CN202631710U (en) * | 2012-05-02 | 2012-12-26 | 上海交通大学 | Novel lithium air battery mould |
| CN203445191U (en) * | 2013-08-13 | 2014-02-19 | 张家港市智周工业技术有限公司 | Battery mold moving mechanism of full-automatic plate packaging machine for battery plates |
| CN203721817U (en) * | 2014-02-20 | 2014-07-16 | 新乡锦润科技有限公司 | Lithium-ion button cell mould |
| CN204464420U (en) * | 2014-12-17 | 2015-07-08 | 海南大学 | The dismountable Novel lithium air cell mould of a kind of both positive and negative polarity |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109244535A (en) * | 2018-11-01 | 2019-01-18 | 上海理工大学 | The preparation method of lithium borohydride base solid electrolyte material |
| CN109616696A (en) * | 2018-11-22 | 2019-04-12 | 浙江工业大学 | A kind of flexible foldable all-solid-state battery and its manufacturing method |
| CN109950633A (en) * | 2019-03-15 | 2019-06-28 | 上海空间电源研究所 | A kind of all-solid-state battery preparation method and its mold |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107742739B (en) | 2019-11-29 |
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