CN109950633A - A kind of all-solid-state battery preparation method and its mold - Google Patents
A kind of all-solid-state battery preparation method and its mold Download PDFInfo
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- CN109950633A CN109950633A CN201910197405.1A CN201910197405A CN109950633A CN 109950633 A CN109950633 A CN 109950633A CN 201910197405 A CN201910197405 A CN 201910197405A CN 109950633 A CN109950633 A CN 109950633A
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- state battery
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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
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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
- 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
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Abstract
The invention discloses a kind of all-solid-state battery preparation method and its molds, prepare all-solid-state battery using all-solid-state battery mold, include: step 1, solid electrolyte powder being laid in the cavity plate for having installed die-cushion additional, installs pressure head additional, solid electrolyte piece is made in pressurization；Step 2, it takes positive pole powder evenly laid out in molding solid electrolyte on piece, installs pressure head additional, positive plate is made in pressurization；Step 3, die-cushion is taken out, negative electrode metallic foil is placed on solid electrolyte on piece, covers collector, die-cushion is installed additional, is constrained with sleeve, pressurizes, battery is made；Step 4, sleeve, die-cushion are removed, installs knock-outs additional, pressurization deviates from battery；Step 5, battery is placed in button cell shell, encapsulation.Battery prepared by the present invention can be packaged by common button cell shell, have the characteristics of easy to operate, to be easy to encapsulate, conveniently largely prepare, and be suitble to prepare small button grade powder type all-solid-state battery.
Description
Technical field
The present invention relates to a kind of powder type all-solid-state batteries, and in particular to a kind of all-solid-state battery preparation method and its mould
Tool.
Background technique
In existing energy storage technology, lithium ion battery is by energy density height, operating voltage height, long service life and nothing
The advantages such as memory effect, have been widely used for consumer electronics product.But traditional lithium ion battery uses inflammable liquid
Organic electrolyte, there are security risk, development encounters bottleneck.Organic liquid electrolyte is substituted using solid electrolyte, it is novel
Solid lithium battery not only safety is good, but also also have more in terms of improving specific energy, specific power density and cycle performance
Big space is expected to become next-generation lithium ion battery.But all-solid-state battery technology is still immature, in the technology exploration stage,
Powder type all-solid-state battery is mostly used to be unfolded to study as model.
The method of common preparation powder type all-solid-state battery needs special shell encapsulation battery more, and preparation flow is complicated,
Cell package shell is heavy and is not easy to prepare, and limits the development of a large amount of preparations and comparative experiments of battery.
Therefore, it is necessary to improve existing powder type all-solid-state battery preparation method, encapsulated using common small button battery case complete
Solid state battery can simply obtain a large amount of all-solid-state batteries, simplify battery R&D process.
Summary of the invention
The purpose of the present invention is to provide it is a kind of it is easy to operate, be easy to encapsulate, the convenient all-solid-state battery system largely prepared
Preparation Method.
In order to achieve the above object, the present invention provides a kind of all-solid-state battery mold, which includes: cavity plate, pressure head,
Die-cushion, knock-outs and sleeve；
The cavity plate has cylindrical cavity plate cavity；
The pressure head includes: pressure head hand-held part, and, the cylindric pressure head portion being connected and fixed with pressure head hand-held part；
The die-cushion includes: die-cushion hand-held part, and, the cylindric cushion part being connected and fixed with die-cushion hand-held part；
The internal diameter of the sleeve is matched with the outer diameter of cavity plate.
Preferably, the outer diameter in the pressure head portion is matched with the internal diameter of cavity plate.
Preferably, the length in the pressure head portion is consistent with the length of cavity plate cavity.
Preferably, the outer diameter of the cushion part is matched with the internal diameter of cavity plate.
Preferably, the knock-outs are hollow sleeve, internal diameter is greater than cavity plate internal diameter and is less than body diameter.
Preferably, the internal diameter of the sleeve is matched with the outer diameter of cavity plate, die-cushion hand-held part, the sleeve is shorter in length than
Length after cavity plate, die-cushion hand-held part are connected.
Preferably, the material of the cavity plate, sleeve is non-conductive material, to prevent positive and negative anodes contact from internal short-circuit occurs.
Preferably, the material of the cavity plate, sleeve is polytetrafluoroethylene (PTFE).
The present invention also provides a kind of all-solid-state battery preparation methods, and this method is using any one of claim 1-6
The all-solid-state battery mold prepares all-solid-state battery comprising the steps of:
Step 1, it takes solid electrolyte powder evenly laid out in the cavity plate for having installed die-cushion additional, then installing pressure head additional, pressurizes
It is pressed into solid electrolyte piece；
Step 2, pressure head is taken out, takes positive pole powder evenly laid out in the first surface of molding solid electrolyte piece, later
It installs pressure head additional, is pressed into positive plate；
Step 3, cavity plate is overturn, die-cushion is taken out, negative electrode metallic foil is placed on to the second table of molding solid electrolyte piece
Face covers stainless steel substrates as collector in the outside of negative electrode metallic foil, then, die-cushion is placed in above stainless steel substrates, then
Die-cushion, cavity plate are constrained with sleeve, by pressurizeing to whole, so that metal foil is extruded adherency on a current collector, just
Pole piece, solid electrolyte piece, negative electrode metallic foil, collector, which successively bond, constitutes powder type battery；
Step 4, sleeve, die-cushion are removed, knock-outs are placed on above cavity plate, are pressurizeed in knock-outs, keeps powder type electric
Chi Xin deviates from from cavity plate；
Step 5, powder type battery is placed in button cell shell, is packaged.
Preferably, the solid electrolyte is sulfide solid electrolyte.
Preferably, the negative electrode metallic foil is indium foil.
" pressurizeing to whole " described herein is meant that: while pressurizeing to die-cushion portion of the handle, pressure head portion of the handle,
To central axes entire pressurisation where die-cushion, cavity plate, pressure head.
" being constrained die-cushion, cavity plate with sleeve " described herein is that sleeve is instigated to wale die-cushion hand-held part and cavity plate progress
Constraint, it is therefore an objective to guarantee that cavity plate and die-cushion are on same central axes.
The invention has the following advantages:
It is suitble to prepare small button grade powder type all-solid-state battery, the battery being prepared can pass through common button cell
Shell is packaged, and has the characteristics of easy to operate, to be easy to encapsulate, conveniently largely prepare.
Detailed description of the invention
Fig. 1 is each section figure of all-solid-state battery mold of the invention.
Fig. 2 is the flow diagram that the present invention prepares all-solid-state battery.
Specific embodiment
In order to better understand the present invention, below by drawings and examples, the present invention is further described, and embodiment is only
It is used to explain the present invention, any restriction will not be constituted to the present invention.
As shown in Figure 1, being a kind of all-solid-state battery mold provided by the invention, which includes: cavity plate 1, pressure head 2, mould
Pad 3, knock-outs 4 and sleeve 5.The cavity plate 1 has cylindrical cavity plate cavity 11.
The pressure head 2 includes: pressure head hand-held part 21, and, the cylindric pressure head portion being connected and fixed with pressure head hand-held part 21
22.The outer diameter in the pressure head portion 22 is matched with the diameter (i.e. the internal diameter of cavity plate 1) of cavity plate cavity 11, that is, the outer diameter in pressure head portion 22
Consistent with the diameter of cavity plate cavity 11, pressure head portion 22 can be tightly packed in cavity plate cavity 11.The length in the pressure head portion 22
It is consistent with the length of cavity plate cavity 11.
The die-cushion 3 includes: die-cushion hand-held part 31, and, the cylindric cushion part being connected and fixed with die-cushion hand-held part 31
32.The outer diameter of the cushion part 32 is matched with the internal diameter of cavity plate 1, i.e., the internal diameter of outer diameter with cavity plate 1 of cushion part 32 is consistent, lining
It pad portion 32 can be tightly packed in cavity plate cavity 11.
The knock-outs 4 be hollow sleeve, internal diameter be greater than cavity plate 1 internal diameter and be less than cavity plate 1 outer diameter, to ensure
It can provide hollow space to the powder type battery that will deviate from.In use, pressurizeing to knock-outs 4, pressure conduction is to recessed
Mould 1, the pressure head 2 that cavity plate 1 is embedded in, which will be slow, ejects powder type battery from the top of cavity plate 1.
The internal diameter of the sleeve 5 is matched with the outer diameter of cavity plate 1, that is, the internal diameter of sleeve 5 is consistent with the outer diameter of cavity plate 1, set
Cylinder 5 can closely be nested with the outer wall in cavity plate 1.The internal diameter of the sleeve 5 is matched with the outer diameter of cavity plate 1, die-cushion hand-held part 31, institute
State sleeve 5 be shorter in length than cavity plate 1, die-cushion hand-held part 31 be connected after length.The die-cushion hand to link together is waled with sleeve 5
Portion 31 and cavity plate 1 to be held, die-cushion 3 and the connection of cavity plate 1 can be constrained, die-cushion portion of the handle 31 should expose sleeve 5 a little,
To bear pressure.
In some embodiments, the cavity plate 1, sleeve 5 material be non-conductive material.
Embodiment 1
As shown in Fig. 2 (1., 2., 3. representing operation sequencing in figure), a kind of all-solid-state battery preparation of the invention
Method comprising the steps of:
S1 (step 1) takes 100mg Li10GeP2S12Electrolyte, it is evenly laid out in the diameter for having installed die-cushion 3 additional be 10mm
In polytetrafluoroethylene (PTFE) cavity plate 1, pressure head 2 is installed additional later, pressure is set as 240MPa, the dwell time 2 minutes, is pressed into solid state electrolysis
Matter piece；
S2 (step 2) takes the LiCoO of 10mg2Positive pole powder (wherein contains 50wt%Li10GeP2S12Electrolyte), uniformly
It is laid in molding solid electrolyte piece side, installs pressure head 2 additional, then pressure maintaining 2 minutes, pressing and forming under 360MPa pressure.
S3 (step 3) takes the indium foil (0.05mm is thick) that diameter is 9mm to overlay on the another of solid electrolyte piece as cathode
Side, the outside of indium foil, which adds, covers stainless steel substrates (0.5mm thick) that diameter is 15.5mm as collector；Then, die-cushion 3 is placed in
Above stainless steel substrates (collector), die-cushion 3, cavity plate 1 are constrained with sleeve 5, then pressure maintaining 2 divides under 120MPa pressure
Clock, make metal foil be extruded adherency on a current collector, obtain by positive plate, solid electrolyte piece, negative electrode metallic foil, collector according to
The powder type battery that secondary bonding is constituted；
S4 (step 4) removes sleeve 5, die-cushion 3, and knock-outs 4 are placed on 1 top of cavity plate, pressurizes, makes in knock-outs 4
Powder type battery is deviate from from cavity plate 1；
Battery is placed in 2016 type button cell shells, is packaged, obtains all-solid-state battery by S5 (step 5).
In conclusion the present invention is tabletted by electrolyte powder in cavity plate, positive pole powder is compressed on electrolyte one
Negative electrode metallic foil is compressed on the electrolyte other side and adhered on a current collector, is packaged after demoulding with button cell shell by side,
Obtain all-solid-state battery.The battery that the present invention is prepared can be packaged by common button cell shell, have behaviour
The characteristics of work is simple, is easy to encapsulate, convenient a large amount of preparations, it is suitable to prepare small button grade powder type all-solid-state battery.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of all-solid-state battery mold, which is characterized in that the mold includes: cavity plate, pressure head, die-cushion, knock-outs and sleeve；
The cavity plate has cylindrical cavity plate cavity；
The pressure head includes: pressure head hand-held part, and, the cylindric pressure head portion being connected and fixed with pressure head hand-held part；
The die-cushion includes: die-cushion hand-held part, and, the cylindric cushion part being connected and fixed with die-cushion hand-held part；
The internal diameter of the sleeve is matched with the outer diameter of cavity plate.
2. all-solid-state battery mold as described in claim 1, which is characterized in that the outer diameter in the pressure head portion and the internal diameter of cavity plate
Matching.
3. all-solid-state battery mold as described in claim 1, which is characterized in that the length in the pressure head portion and cavity plate cavity
Length is consistent.
4. all-solid-state battery mold as described in claim 1, which is characterized in that the outer diameter of the cushion part and the internal diameter of cavity plate
Matching.
5. all-solid-state battery mold as described in claim 1, which is characterized in that the knock-outs are hollow sleeve, in
Diameter is greater than cavity plate internal diameter and is less than body diameter.
6. all-solid-state battery mold as described in claim 1, which is characterized in that the internal diameter of the sleeve and die-cushion hand-held part
Outer diameter matching, the sleeve be shorter in length than cavity plate, die-cushion hand-held part be connected after length.
7. all-solid-state battery mold as described in claim 1, which is characterized in that the cavity plate, sleeve material be non-conductor
Material.
8. all-solid-state battery mold as claimed in claim 7, which is characterized in that the cavity plate, sleeve material be polytetrafluoro
Ethylene.
9. a kind of all-solid-state battery preparation method, which is characterized in that this method is using described in any one of claim 1-8
All-solid-state battery mold prepares all-solid-state battery comprising the steps of:
Step 1, take solid electrolyte powder evenly laid out in the cavity plate for having installed die-cushion additional, then installing pressure head additional, pressurization is suppressed
At solid electrolyte piece；
Step 2, pressure head is taken out, takes positive pole powder evenly laid out in the first surface of molding solid electrolyte piece, installs additional later
Pressure head is pressed into positive plate；
Step 3, cavity plate is overturn, die-cushion is taken out, negative electrode metallic foil is placed on to the second surface of molding solid electrolyte piece,
The outside of negative electrode metallic foil covers stainless steel substrates as collector, then, die-cushion is placed in above stainless steel substrates, then use sleeve
Die-cushion, cavity plate are constrained, by pressurizeing to whole, so that metal foil is extruded adherency on a current collector, obtains by just
Pole piece, solid electrolyte piece, negative electrode metallic foil, collector successively bond the powder type battery of composition；
Step 4, sleeve, die-cushion are removed, knock-outs are placed on above cavity plate, pressurizes in knock-outs, makes powder type battery
Deviate from from cavity plate；
Step 5, powder type battery is placed in button cell shell, is packaged.
10. all-solid-state battery preparation method as claimed in claim 9, which is characterized in that the solid electrolyte is vulcanization
Object solid electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910197405.1A CN109950633A (en) | 2019-03-15 | 2019-03-15 | A kind of all-solid-state battery preparation method and its mold |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910197405.1A CN109950633A (en) | 2019-03-15 | 2019-03-15 | A kind of all-solid-state battery preparation method and its mold |
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| CN109950633A true CN109950633A (en) | 2019-06-28 |
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| CN201910197405.1A Pending CN109950633A (en) | 2019-03-15 | 2019-03-15 | A kind of all-solid-state battery preparation method and its mold |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803077A (en) * | 2021-02-04 | 2021-05-14 | 凌飞 | Copper-based carbon source solid battery core, battery and manufacturing method thereof |
| CN113030138A (en) * | 2019-12-24 | 2021-06-25 | 中国科学院青岛生物能源与过程研究所 | All-solid-state battery reaction chamber for in-situ XRD and Raman tests and test method |
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| CN107742739A (en) * | 2017-09-13 | 2018-02-27 | 上海理工大学 | all-solid-state battery mould |
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Patent Citations (6)
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| JP5511624B2 (en) * | 2010-10-21 | 2014-06-04 | 日立造船株式会社 | Manufacturing method of all solid state battery |
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Cited By (2)
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| CN113030138A (en) * | 2019-12-24 | 2021-06-25 | 中国科学院青岛生物能源与过程研究所 | All-solid-state battery reaction chamber for in-situ XRD and Raman tests and test method |
| CN112803077A (en) * | 2021-02-04 | 2021-05-14 | 凌飞 | Copper-based carbon source solid battery core, battery and manufacturing method thereof |
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Application publication date: 20190628 |
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