CN107845820A - Thermal battery electrolyte piece reforming apparatus and thermal battery electrolyte piece method of modifying - Google Patents
Thermal battery electrolyte piece reforming apparatus and thermal battery electrolyte piece method of modifying Download PDFInfo
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- CN107845820A CN107845820A CN201711082468.XA CN201711082468A CN107845820A CN 107845820 A CN107845820 A CN 107845820A CN 201711082468 A CN201711082468 A CN 201711082468A CN 107845820 A CN107845820 A CN 107845820A
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- batch mixing
- mixing unit
- battery electrolyte
- thermal battery
- electrolyte piece
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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
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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
- H01M6/14—Cells with non-aqueous electrolyte
- H01M6/18—Cells with non-aqueous electrolyte with solid electrolyte
- H01M6/185—Cells with non-aqueous electrolyte with solid electrolyte with oxides, hydroxides or oxysalts as solid electrolytes
-
- 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
- H01M6/22—Immobilising of electrolyte
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- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Fuel Cell (AREA)
Abstract
Thermal battery electrolyte piece reforming apparatus and thermal battery electrolyte piece method of modifying, are related to thermal cell material technology.The thermal battery electrolyte piece reforming apparatus of the present invention includes：The first powder feeder being connected with the first batch mixing unit；The plasma generator being connected with the first batch mixing unit；The argon gas source being connected with the first batch mixing unit；The second powder feeder being connected with the second batch mixing unit；The source nitrogen being connected with the second batch mixing unit；The outlet of first batch mixing unit and the second batch mixing unit is all connected to the 3rd batch mixing unit；The outlet of 3rd batch mixing unit is connected to collector by screen cloth.The invention has the advantages that being all obviously improved using thermal cell discharge voltage made of the thermal cell dielectric substance of the technology of the present invention and capacity, the performance of thermal cell is improved.
Description
Technical field
The present invention relates to thermal cell material technology.
Background technology
Thermal cell (i.e. heat activated battery) is a kind of molten salt electrolyte reserve cell, has and activates fast, higher than energy, use
The advantages that temperature range is wide, length storage, has broad prospect of application in modern flight equipment and production of hydrocarbons.Under normal temperature, thermoelectricity
Pond electrolyte is in solid isolation.During work, poly- rise of internal temperature makes electrolyte melt and have high conductivity, so as to discharge electricity
Can, therefore, electrolyte sheet is the important process part of thermal cell, and its performance determines the performance of thermal cell.In actual thermal cell
In, also need to add flow inhibitor in electrolyte sheet as carrier, to suppress the flowing of the fused salt of melting, common flowing suppression
Preparation has magnesium oxide powder, nonporous fiber, porous fibre.But magnesium oxide powder, nonporous fiber, porous fibre are insulators,
There is no electro-chemical activity, have impact on the electro-chemical activity of electrolyte sheet yet, thus result in magnesia solid content it is too high when battery
Hydraulic performance decline.
The content of the invention
The technical problem to be solved by the invention is to provide a kind of thermal battery electrolyte piece that can improve thermal cell performance
Reforming apparatus and thermal battery electrolyte piece method of modifying.
It is thermal battery electrolyte piece reforming apparatus that the present invention, which solves the technical scheme that the technical problem uses, its feature
It is, including：
The first powder feeder being connected with the first batch mixing unit；
The plasma generator being connected with the first batch mixing unit；
The argon gas source being connected with the first batch mixing unit；
The second powder feeder being connected with the second batch mixing unit；
The source nitrogen being connected with the second batch mixing unit；
The outlet of first batch mixing unit and the second batch mixing unit is all connected to the 3rd batch mixing unit；
The outlet of 3rd batch mixing unit is connected to collector by screen cloth.
Further, the argon gas source includes high-purity argon gas cylinder and pressure-reducing valve, and source nitrogen includes High Purity Nitrogen gas cylinder and decompression
Valve.
The first batch mixing unit, the second batch mixing unit and the 3rd batch mixing unit are all batch mixing nozzle.
The thermal battery electrolyte piece method of modifying of the present invention comprises the steps：
1) under ar gas environment, mixed oxidization magnesium material and plasma, burn plasma and magnesia material
Erosion is acted on, and then by magnesia material, -- plasma mixture and nitrogen -- fused salt mixture of powders is mixed to get finally again
Mixture, the magnesia material are magnesium oxide powder, magnesia nonporous fiber or magnesia porous fibre；
2) screen filtration final mixture, modified thermal cell dielectric piece is obtained.
In the step 1), plasma generator operating voltage 50-120 volts, plasma current is pacified for 300-600；Argon gas
Flow with nitrogen is 300-400 ls/h；Magnesia material feed rate is 20-80 gram/minutes, by the quality of charging
Than magnesia material/fused salt powder is 1/3 to 3/5；The specification of screen cloth is 40-80 mesh.
The invention has the advantages that using thermoelectricity tank discharge electricity made of the thermal cell dielectric substance of the technology of the present invention
Pressure and capacity are all obviously improved, and improve the performance of thermal cell.
Brief description of the drawings
Fig. 1 is the thermal battery electrolyte piece reforming apparatus structural representation of the present invention.
Fig. 2 is using the modified thermal cell performance comparison curve map of the technology of the present invention.
Embodiment
Thermal battery electrolyte piece reforming apparatus, including：
The first powder feeder being connected with the first batch mixing unit；
The plasma generator being connected with the first batch mixing unit；
The argon gas source being connected with the first batch mixing unit；
The second powder feeder being connected with the second batch mixing unit；
The source nitrogen being connected with the second batch mixing unit；
The outlet of first batch mixing unit and the second batch mixing unit is all connected to the 3rd batch mixing unit；
The outlet of 3rd batch mixing unit is connected to collector by screen cloth.
Referring specifically to Fig. 1.
First powder feeder 1 is the feeder of magnesia material, and the magnesia material is magnesium oxide powder or oxidation
Magnesium nonporous fiber or magnesia porous fibre.
Second powder feeder 2 is fused salt powder feeder.
First batch mixing unit is batch mixing nozzle A, and effect is that plasma, powder, high-purity argon gas enter spray in the direction of arrows
Mouth internal cavity, with powder ablation effect occurs for plasma in cavity, and argon gas stream is pressed after being mixed with powder along diversion outlet
Sprayed according to the direction of arrow；
Second batch mixing unit is batch mixing nozzle B, and effect is that powder, high pure nitrogen enter nozzle interior chamber in the direction of arrows
Body, nitrogen stream spray after being mixed with powder along diversion outlet according to the direction of arrow；
3rd batch mixing unit is batch mixing nozzle C, and effect is the powder air-flow from batch mixing nozzle A and batch mixing nozzle B by arrow
Head direction enters internal cavity, is sprayed after mixing along diversion outlet according to the direction of arrow, and the collector of lower section is entered through screen cloth.
Plasma generator is pacified using argon gas source, operating voltage 50-120 volts, plasma current for 300-600；Subtract
It is 300-400 ls/h that pressure valve, which controls the flow of high-purity argon gas and high pure nitrogen,；First powder feeder rate of feed is
The charge-mass ratio of 20-80 gram/minutes, the first powder feeder and the second powder feeder is 1/3 to 3/5；The specification of screen cloth
For 40-80 mesh, screen cloth can vibrate.
Embodiment 1:
1st, plasma generator is opened, operating voltage is arranged to 50 volts, and plasma current is arranged to 300 peaces；
2nd, batch mixing nozzle switch C is opened；
3rd, the purity of opening high-purity argon gas cylinder pressure-reducing valve and High Purity Nitrogen gas cylinder pressure-reducing valve, high-purity argon gas and high pure nitrogen is big
In 99%, flow is disposed as 300 ls/h；
4th, collector switch is opened, screen cloth is 60 mesh, and vibration frequency is 960 beats/min；
5th, open powder feeder 1 and switch A, open powder feeder 2 and switch B, the rate of feed of powder feeder 1 is set
For 20 gram/minutes, the rate of feed of powder feeder 2 is arranged to 60 gram/minutes.
Embodiment 2:
1st, plasma generator is opened, operating voltage is arranged to 50 volts, and plasma current is arranged to 300 peaces；
2nd, batch mixing nozzle switch C is opened；
3rd, the purity of opening high-purity argon gas cylinder pressure-reducing valve and High Purity Nitrogen gas cylinder pressure-reducing valve, high-purity argon gas and high pure nitrogen is big
In 99%, flow is disposed as 300 ls/h；
4th, collector switch is opened, screen cloth is 60 mesh, and vibration frequency is 960 beats/min；
5th, open powder feeder 1 and switch A, open powder feeder 2 and switch B, the rate of feed of powder feeder 1 is set
For 30 gram/minutes, the rate of feed of powder feeder 2 is arranged to 90 gram/minutes.
Modification theory：
After plasma is to the mgo surface ablation of insulation, the surface electrochemistry activity of insulating oxide magnesium is enhanced, finally
Obtained thermal cell discharge performance gets a promotion.The form of magnesia includes powder, nonporous fiber, porous fibre.
Modified result：
As shown in Fig. 2 a for be modified without plasma spraying prepared by thermal cell discharge curve, b, c be by etc. from
Prepared by son spraying is modified thermal cell discharge curve.B, c differences are rate of feed difference, and b is 30 gram/minutes, c 20
Gram/minute, other conditions are identical.Magnesia is nonporous fiber, the magnesia of other forms includes powder and porous fibre
, its experimental result is similar.Rate of feed is faster, and the action time of plasma and magnesia is shorter.As a result show, through plasma
Spray modified, discharge voltage and capacity are substantially improved compared to unmodified.Plasma action time is longer, and modification carries
Ascending effect is more obvious.
Claims (5)
1. thermal battery electrolyte piece reforming apparatus, it is characterised in that including：
The first powder feeder being connected with the first batch mixing unit；
The plasma generator being connected with the first batch mixing unit；
The argon gas source being connected with the first batch mixing unit；
The second powder feeder being connected with the second batch mixing unit；
The source nitrogen being connected with the second batch mixing unit；
The outlet of first batch mixing unit and the second batch mixing unit is all connected to the 3rd batch mixing unit；
The outlet of 3rd batch mixing unit is connected to collector by screen cloth.
2. thermal battery electrolyte piece reforming apparatus as claimed in claim 1, it is characterised in that the argon gas source includes high-purity argon
Gas cylinder and pressure-reducing valve, source nitrogen include High Purity Nitrogen gas cylinder and pressure-reducing valve.
3. thermal battery electrolyte piece reforming apparatus as claimed in claim 1, it is characterised in that the first batch mixing unit,
Two batch mixing units and the 3rd batch mixing unit are all batch mixing nozzle.
4. thermal battery electrolyte piece method of modifying, it is characterised in that comprise the steps：
1) under ar gas environment, mixed oxidization magnesium material and plasma, make plasma and magnesia material that ablation occur and make
With then by magnesia material -- plasma mixture and nitrogen -- fused salt mixture of powders is mixed to get final mix again
Thing, the magnesia material are magnesium oxide powder, magnesia nonporous fiber or magnesia porous fibre；
2) screen filtration final mixture, modified thermal cell dielectric piece is obtained.
5. thermal battery electrolyte piece method of modifying as claimed in claim 4, it is characterised in that in the step 1), plasma
Generator operating voltage 50-120 is lied prostrate, and plasma current is pacified for 300-600；The flow of argon gas and nitrogen is 300-400 liters/small
When；Magnesia material feed rate is 20-80 gram/minutes, by the mass ratio of charging, magnesia material/fused salt powder be 1/3 to
3/5；The specification of screen cloth is 40-80 mesh.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711082468.XA CN107845820B (en) | 2017-11-07 | 2017-11-07 | Thermal battery electrolyte piece reforming apparatus and thermal battery electrolyte piece method of modifying |
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| CN201711082468.XA CN107845820B (en) | 2017-11-07 | 2017-11-07 | Thermal battery electrolyte piece reforming apparatus and thermal battery electrolyte piece method of modifying |
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| CN107845820A true CN107845820A (en) | 2018-03-27 |
| CN107845820B CN107845820B (en) | 2019-05-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531283A (en) * | 2020-12-09 | 2021-03-19 | 贵州梅岭电源有限公司 | Automatic thermal battery diaphragm material preparation device and method |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110380072B (en) * | 2019-07-25 | 2021-11-23 | 中国工程物理研究院电子工程研究所 | Composite flow inhibitor for lithium-based thermal battery electrolyte, electrolyte diaphragm material, lithium-based thermal battery and preparation method of composite flow inhibitor |
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| CN103022526A (en) * | 2011-09-22 | 2013-04-03 | 伊格皮切尔科技有限责任公司 | Electrolyte materials, thermal battery components, and thermal batteries for intermediate temperature applications |
| CN103204524A (en) * | 2013-04-08 | 2013-07-17 | 西南科技大学 | Preparation method of magnesium oxide porous fiber |
| CN105489910A (en) * | 2015-07-31 | 2016-04-13 | 西南科技大学 | Preparation method of electrolyte flake for thermal battery |
| CN105703002A (en) * | 2014-11-27 | 2016-06-22 | 中国电子科技集团公司第十八研究所 | Electrolyte material for thermal battery and preparation method for electrolyte material |
| CN105789653A (en) * | 2016-04-13 | 2016-07-20 | 武汉理工大学 | Preparation method of thermal battery electrolyte containing hollow magnesia powder |
| CN106082286A (en) * | 2016-06-06 | 2016-11-09 | 中南大学 | A kind of thermal battery electrolyte inhibitor MgO and preparation method thereof |
| CN106450366A (en) * | 2016-10-19 | 2017-02-22 | 上海空间电源研究所 | Ultra-thin unit cell for thermal battery and preparation method thereof |
-
2017
- 2017-11-07 CN CN201711082468.XA patent/CN107845820B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022526A (en) * | 2011-09-22 | 2013-04-03 | 伊格皮切尔科技有限责任公司 | Electrolyte materials, thermal battery components, and thermal batteries for intermediate temperature applications |
| CN103204524A (en) * | 2013-04-08 | 2013-07-17 | 西南科技大学 | Preparation method of magnesium oxide porous fiber |
| CN105703002A (en) * | 2014-11-27 | 2016-06-22 | 中国电子科技集团公司第十八研究所 | Electrolyte material for thermal battery and preparation method for electrolyte material |
| CN105489910A (en) * | 2015-07-31 | 2016-04-13 | 西南科技大学 | Preparation method of electrolyte flake for thermal battery |
| CN105789653A (en) * | 2016-04-13 | 2016-07-20 | 武汉理工大学 | Preparation method of thermal battery electrolyte containing hollow magnesia powder |
| CN106082286A (en) * | 2016-06-06 | 2016-11-09 | 中南大学 | A kind of thermal battery electrolyte inhibitor MgO and preparation method thereof |
| CN106450366A (en) * | 2016-10-19 | 2017-02-22 | 上海空间电源研究所 | Ultra-thin unit cell for thermal battery and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112531283A (en) * | 2020-12-09 | 2021-03-19 | 贵州梅岭电源有限公司 | Automatic thermal battery diaphragm material preparation device and method |
| CN112531283B (en) * | 2020-12-09 | 2022-05-24 | 贵州梅岭电源有限公司 | Automatic thermal battery diaphragm material preparation device and method |
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| CN107845820B (en) | 2019-05-10 |
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