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
- Publication number
- 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
- Authority
- CN
- China
- Prior art keywords
- batch mixing
- mixing unit
- battery electrolyte
- thermal battery
- electrolyte piece
- 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.)
- Granted
Links
- 239000003792 electrolyte Substances 0.000 title claims abstract description 24
- 238000002407 reforming Methods 0.000 title claims abstract description 11
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000002156 mixing Methods 0.000 claims abstract description 55
- 239000000843 powder Substances 0.000 claims abstract description 39
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims abstract description 36
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 20
- 229910052786 argon Inorganic materials 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 15
- 239000004744 fabric Substances 0.000 claims abstract description 11
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims description 49
- 239000000395 magnesium oxide Substances 0.000 claims description 27
- 239000000835 fiber Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 4
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 4
- 229910052749 magnesium Inorganic materials 0.000 claims description 4
- 239000011777 magnesium Substances 0.000 claims description 4
- 238000002679 ablation Methods 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000011833 salt mixture Substances 0.000 claims description 2
- 238000009288 screen filtration Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 239000000126 substance Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 7
- 239000007921 spray Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- 235000013290 Sagittaria latifolia Nutrition 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 235000015246 common arrowhead Nutrition 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005518 electrochemistry Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
- H01M6/14—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
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Fuel Cell (AREA)
- Physical Or Chemical Processes And Apparatus (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.
Priority Applications (1)
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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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CN201711082468.XA CN107845820B (en) | 2017-11-07 | 2017-11-07 | Thermal battery electrolyte piece reforming apparatus and thermal battery electrolyte piece method of modifying |
Publications (2)
Publication Number | Publication Date |
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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 |
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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 |
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 |
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 not_active Expired - Fee Related
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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