CN204271170U - A kind of safety lithium ion cell group - Google Patents
A kind of safety lithium ion cell group Download PDFInfo
- Publication number
- CN204271170U CN204271170U CN201420537958.XU CN201420537958U CN204271170U CN 204271170 U CN204271170 U CN 204271170U CN 201420537958 U CN201420537958 U CN 201420537958U CN 204271170 U CN204271170 U CN 204271170U
- Authority
- CN
- China
- Prior art keywords
- battery pack
- battery
- cell group
- lithium ion
- monomer
- 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.)
- Expired - Lifetime
Links
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 36
- 239000000178 monomer Substances 0.000 claims abstract description 21
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000126 substance Substances 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 9
- 238000009413 insulation Methods 0.000 claims description 8
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- 239000012212 insulator Substances 0.000 claims description 6
- 239000002985 plastic film Substances 0.000 claims description 6
- 229920006255 plastic film Polymers 0.000 claims description 6
- 239000004593 Epoxy Substances 0.000 claims description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 239000011521 glass Substances 0.000 claims description 5
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 5
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 150000002500 ions Chemical class 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 7
- 238000003892 spreading Methods 0.000 abstract description 6
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 3
- 238000000354 decomposition reaction Methods 0.000 abstract description 3
- 230000007717 exclusion Effects 0.000 abstract description 3
- 230000015556 catabolic process Effects 0.000 abstract description 2
- 239000004615 ingredient Substances 0.000 abstract description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 6
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 5
- 229910052744 lithium Inorganic materials 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- LFVGISIMTYGQHF-UHFFFAOYSA-N ammonium dihydrogen phosphate Chemical compound [NH4+].OP(O)([O-])=O LFVGISIMTYGQHF-UHFFFAOYSA-N 0.000 description 2
- 229910000387 ammonium dihydrogen phosphate Inorganic materials 0.000 description 2
- BFNBIHQBYMNNAN-UHFFFAOYSA-N ammonium sulfate Chemical compound N.N.OS(O)(=O)=O BFNBIHQBYMNNAN-UHFFFAOYSA-N 0.000 description 2
- 229910052921 ammonium sulfate Inorganic materials 0.000 description 2
- 235000011130 ammonium sulphate Nutrition 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 235000019837 monoammonium phosphate Nutrition 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000003197 gene knockdown Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000003709 heart valve Anatomy 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006479 redox reaction Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Battery Mounting, Suspending (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a kind of safety lithium ion cell group, comprises a plurality of lithium-ion battery monomers in battery housing, battery housing; Be positioned at positive terminal on the lithium-ion battery monomer of two ends and negative pole end is drawn respectively by the total plus end of battery pack and the total negative terminal of battery pack; Battery pack cover is equipped with exhaust apparatus, is characterized in: the vacant place in described battery housing is filled with extinguishing chemical.The utility model is by being filled with extinguishing chemical at the vacant place of internal battery pack, when cell a certain in battery pack burns, its heat can impel the ingredient breakdown of extinguishing chemical, decomposition reaction is the endothermic reaction, not only playing cooling effect makes battery pack lower the temperature rapidly, and catabolite can form glassy cover layer and makes combustible in battery and air exclusion, it is inner that combustion range is only limitted to bad monomer in battery pack, and rapidly by the fray-out of flame of bad monomer inside, both fire spreading was avoided, cell burned flame can be extinguished again, ensure that the fail safe of battery pack.
Description
Technical field
The utility model belongs to power supply series technique field, particularly relates to a kind of safety lithium ion cell group.
Background technology
In recent years, increasingly extensive along with battery applications, the example of battery generation security incident is also of common occurrence.
For lithium ion battery.Lithium battery is inner when Charging state has put aside huge energy, once control improper when the ambient temperature residing for lithium battery etc. or internal short-circuit, the accidents such as lithium battery is very easily blasted, catch fire occurring.When a battery has an accident if do not adopt appropriate measures, other batteries contiguous can be involved, cause fire spreading, then cause larger accident.
Find through retrieval, application number is 201120323564.0, publication number is CN202282390U, name is called: the utility model patent of the lithium-ion battery safety box of explosion-proof flame-retardant.This utility model comprises Li-ion batteries piles and stuffing box, described stuffing box comprises casing and top cover, described top cover is connected with box sealing, described Li-ion batteries piles is positioned at described casing, described top cover is installed fin, positive conductive terminal and cathode conductive terminal, described top cover is installed to vacuumize and is filled with the gas valve of inert gas.This utility model to a certain degree improves the fail safe of lithium ion battery.But when adopting the safety box described in this utility model to store Charging state lithium battery, because battery self has the ability that redox reaction occurs, if therefore in the situation such as battery generation internal short-circuit, box interior temperature is very high, when exceeding the limit of metal cabinet self, casing will cave in, and cells burst blast etc. also can not be stoped to involve situation outside case even if be filled with inert gas in safety box.And usually lithium battery is all charged-state storage.Therefore this patent there is no practical significance.
Also find through retrieval, application number is 200920266418.1, publication number is CN201528016U, name is called: the utility model patent of oil immersion cell box.This utility model is full of transformer oil at the remaining space of battery pack except battery cell, pole.Be full of transformer oil at the remaining space of battery pack, the heat dispersion of battery can be improved, and shed by the heat radiation that contacts with transformer oil is stupefied at battery pack adstante febre heat.This method can play protection battery to a certain extent when battery pack normally uses, and battery temperature can not be raised a lot.But when there being Individual cells inside that the faults such as internal short-circuit occur in battery pack, battery can burn.Because inside battery has Oxidizing and Reducing Agents; do not need external oxygen with regard to incendivity; and the now arc extinguishing effect of transformer oil can not play a protective role to battery pack; it is contrary to the intensity of a fire increases; because transformer main body of oil is alkane; at high temperature and be flammable when having air to exist, therefore the existence of transformer oil can help to rise the intensity of a fire on the contrary.Therefore this patent there is no practical application meaning.
As can be seen here, in order to avoid the situations such as initiation fire of being exploded by a batteries caught fire, need a kind of fire control that a battery can be caused or the device limited within the specific limits, prevent fire spreading from causing larger loss.
Summary of the invention
The utility model provides a kind of and can produce the control of fire of the cell of fire in the inside of this cell for solving in known technology the technical problem that exists, avoids a kind of safety lithium ion cell group that fire spreading spreads to battery pack outside.
The utility model comprises following technical scheme:
A kind of safety lithium ion cell group, comprises a plurality of lithium-ion battery monomer of series connection all-in-one-piece in battery housing, battery housing, is isolated, be equipped with insulation board between ion battery monomer and battery housing between adjacent lithium-ion battery monomer by collets; Be arranged in positive terminal on the lithium-ion battery monomer of two ends and negative pole end to be installed in the total plus end of the battery pack of battery pack cover and the total negative terminal of battery pack on battery housing respectively by sealing and to draw; Battery pack cover is equipped with exhaust apparatus, is characterized in: the vacant place in described battery housing is filled with extinguishing chemical.
The utility model can also adopt following technical measures:
Described exhaust apparatus comprises the disappointing valve seat of seal welding on battery pack cover one hole, is fixedly mounted with an aluminum plastic film in the valve seat that loses heart by eye bolt sealing.
Described collets are polytetrafluoroethylene block.
Described insulation board is glass epoxy.
The total plus end of battery pack in described battery pack cover and all seal between the total negative terminal of battery pack and battery pack cover and be fixed with insulator seal ring.
The advantage that the utility model has and good effect:
The utility model is by being filled with extinguishing chemical at the vacant place of internal battery pack, when cell a certain in battery pack burns, its heat can impel the ingredient breakdown of extinguishing chemical, decomposition reaction is the endothermic reaction, not only playing cooling effect makes battery pack lower the temperature rapidly, and catabolite can form glassy cover layer and makes combustible in battery and air exclusion, it is inner that combustion range is only limitted to bad monomer in battery pack, and rapidly by the fray-out of flame of bad monomer inside, both fire spreading was avoided, cell burned flame can be extinguished again, ensure that the fail safe of battery pack.
Accompanying drawing explanation
Fig. 1 is safety lithium ion cell group internal structure schematic diagram prepared by the utility model.
In figure: 1-battery housing, 2-lithium ion single battery, 3-eye bolt, 4-positive terminal, 5-insulator seal ring, the total plus end of 6-battery pack, 7-battery pack cover, 8-aluminum plastic film, 9-negative pole end, the total negative terminal of 10-battery pack, 11-extinguishing chemical, 12-glass epoxy, 13-loses heart valve seat, 14-polytetrafluoroethylene block.
Embodiment
For summary of the invention of the present utility model, Characteristic can be disclosed further, be described in detail as follows especially exemplified by following instance.
A kind of safety lithium ion cell group, comprises a plurality of lithium-ion battery monomer of series connection all-in-one-piece in battery housing, battery housing, is isolated, be equipped with insulation board between ion battery monomer and battery housing between adjacent lithium-ion battery monomer by collets; Be arranged in positive terminal on the lithium-ion battery monomer of two ends and negative pole end to be installed in the total plus end of the battery pack of battery pack cover and the total negative terminal of battery pack on battery housing respectively by sealing and to draw; Battery pack cover is equipped with exhaust apparatus.
The utility model innovative point comprises:
Vacant place in described battery housing is filled with extinguishing chemical.
The utility model innovative point also comprises:
Described exhaust apparatus comprises the disappointing valve seat of seal welding on battery pack cover one hole, is fixedly mounted with an aluminum plastic film in the valve seat that loses heart by eye bolt sealing.
Described collets are polytetrafluoroethylene block.
Described insulation board is glass epoxy.
The total plus end of battery pack in described battery pack cover and all seal between the total negative terminal of battery pack and battery pack cover and be fixed with insulator seal ring.
Embodiment:
The manufacturing process of the utility model safety lithium ion cell group
(1) make 1 wide * of long * thick=102mm*102mm*1mm stainless steel substrates is as battery pack cover 7, battery pack case covers and is shaped with 3 holes, interstitial hole is welded with the disappointing valve seat 13 of band M12 internal thread, a hole in the hole at two ends is equipped with the total plus end 6 of battery pack, the total plus end material of battery pack is LY12 aluminium alloy.There is a material to be polyacrylic insulator seal ring 5 between the total plus end of battery pack and battery pack cover, make battery pack total plus end deformation extruding insulation sealing ring reach the effect of compression seal by punching press.The total negative terminal 10 of battery pack of Y2 red copper material another hole in two stomidiums is equipped with, there is a material to be polyacrylic insulator seal ring between the total negative terminal of battery pack and battery pack cover, make battery pack total negative terminal deformation extruding insulation sealing ring reach the effect of compression seal by punching press.
(2) make 1 interior minister * height * thick=the uncovered Stainless Steel Shell of 100mm*100mm*100mm as battery housing 1, the wall thickness of battery housing is 1mm; Battery housing inwall silica gel glues the glass epoxy 12 that a layer thickness is 0.2mm.
(3) select 8 case materials to be the lithium ion single battery 2 of aluminium alloy, the long * height * of each cell is thick=95mm*80mm*10mm; The capacity of each cell is 5Ah; By the positive terminal 4 after integral for 8 lithium ion single serial battery by the total plus end 6 of battery pack in ultrasonic bond welding battery pack cover, on the total negative terminal 10 of battery pack that negative pole end 9 is welded in battery pack cover by ultrasonic bond.
(4) 8 lithium ion single batteries after process (3) being connected are parallel to each other and are placed in battery housing, separate between adjacent lithium ion single battery with polytetrafluoroethylene block 14, and battery pack cover and battery housing adopt argon arc welding to weld together; By funnel, the ammonium dihydrogen phosphate in extinguishing chemical 11 and ammonium sulfate powder are injected in battery housing from the opening part of disappointing valve seat, shake battery pack gently, extinguishing chemical powder is fully distributed in each cell gap, by funnel, carbon tetrachloride is injected battery housing inside.Each component ratio of extinguishing chemical is ammonium dihydrogen phosphate 50%, ammonium sulfate 25%, carbon tetrachloride 25%, and the total amount injecting battery container inside is 100g; Be the aluminum plastic film 8 of 0.15mm by thickness, be placed on the bottom of disappointing valve seat 13, compress with a trough of belt M12 external screw thread eye bolt 3 and the periphery fixing aluminum plastic film by stack seal, complete the manufacturing process of safety lithium ion cell group as shown in Figure 1.
Operation principle of the present utility model:
When in battery pack during some monomer combustion, its heat can impel the composition of extinguishing chemical to decompose, decomposition reaction is the endothermic reaction, playing cooling effect on the one hand makes battery pack lower the temperature rapidly, and catabolite can form the barrier film that glassy cover layer makes in battery, the solid combustibles such as metal forming and air exclusion, chemically inert carbon tetrachloride at high temperature volatilizees and can dilute battery electrolyte solvent vapo(u)r on the other hand, thus combustion range can be made to be only limitted to bad monomer inside in battery pack, and other normal monomers in battery pack can not be involved, avoid fire spreading, reach the object at internal battery pack knock down the flame, drastically increase the fail safe of battery pack.
Although be described preferred embodiment of the present utility model above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; do not departing under the ambit that the utility model aim and claim protect; a lot of form can also be made, as safe Nickel-Hydrogen batteries, safe Cd Ni battery, safe lead-acid battery group etc. can also be made.These all belong within protection range of the present utility model.
Claims (5)
1. a safety lithium ion cell group, comprises a plurality of lithium-ion battery monomer of series connection all-in-one-piece in battery housing, battery housing, is isolated, be equipped with insulation board between ion battery monomer and battery housing between adjacent lithium-ion battery monomer by collets; Be arranged in positive terminal on the lithium-ion battery monomer of two ends and negative pole end to be installed in the total plus end of the battery pack of battery pack cover and the total negative terminal of battery pack on battery housing respectively by sealing and to draw; Battery pack cover is equipped with exhaust apparatus, it is characterized in that: the vacant place in described battery housing is filled with extinguishing chemical.
2. a kind of safety lithium ion cell group according to claim 1, is characterized in that: described exhaust apparatus comprises the disappointing valve seat of seal welding on battery pack cover one hole, is fixedly mounted with an aluminum plastic film in the valve seat that loses heart by eye bolt sealing.
3. a kind of safety lithium ion cell group according to claim 1, is characterized in that: described collets are polytetrafluoroethylene block.
4. a kind of safety lithium ion cell group according to claim 1, is characterized in that: described insulation board is glass epoxy.
5. a kind of safety lithium ion cell group according to claim 1, is characterized in that: the total plus end of the battery pack in described battery pack cover and all seal between the total negative terminal of battery pack and battery pack cover and be fixed with insulator seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537958.XU CN204271170U (en) | 2014-09-18 | 2014-09-18 | A kind of safety lithium ion cell group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420537958.XU CN204271170U (en) | 2014-09-18 | 2014-09-18 | A kind of safety lithium ion cell group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204271170U true CN204271170U (en) | 2015-04-15 |
Family
ID=52806018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420537958.XU Expired - Lifetime CN204271170U (en) | 2014-09-18 | 2014-09-18 | A kind of safety lithium ion cell group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204271170U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107910606A (en) * | 2017-10-27 | 2018-04-13 | 天津市捷威动力工业有限公司 | A kind of lithium ion battery bag thermal runaway control device |
| WO2018126511A1 (en) * | 2017-01-04 | 2018-07-12 | 益阳科力远电池有限责任公司 | Fireproof battery pack |
| CN110393876A (en) * | 2019-08-05 | 2019-11-01 | 清华大学 | Lithium ion battery firebreak device |
| US10665909B2 (en) | 2017-07-17 | 2020-05-26 | International Business Machines Corporation | Battery thermal run-away and combustion prevention system |
-
2014
- 2014-09-18 CN CN201420537958.XU patent/CN204271170U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018126511A1 (en) * | 2017-01-04 | 2018-07-12 | 益阳科力远电池有限责任公司 | Fireproof battery pack |
| US10665909B2 (en) | 2017-07-17 | 2020-05-26 | International Business Machines Corporation | Battery thermal run-away and combustion prevention system |
| CN107910606A (en) * | 2017-10-27 | 2018-04-13 | 天津市捷威动力工业有限公司 | A kind of lithium ion battery bag thermal runaway control device |
| CN107910606B (en) * | 2017-10-27 | 2020-06-19 | 天津市捷威动力工业有限公司 | Lithium ion battery package thermal runaway controlling means |
| CN110393876A (en) * | 2019-08-05 | 2019-11-01 | 清华大学 | Lithium ion battery firebreak device |
| CN110393876B (en) * | 2019-08-05 | 2024-05-31 | 清华大学 | Fireproof device for lithium ion battery |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180510 Address after: 300384 Tianjin Binhai high tech Zone Huayuan Industrial Area (outside the ring) Hainai Hua five road 6, 6 buildings. Patentee after: TIANJIN SPACE POWER TECHNOLOGY Co.,Ltd. Address before: 300384 No. 6, Hua Ke seven road, hathai Industrial Park, Xiqing District, Tianjin Patentee before: The 18th Research Institute of China Electronics Technology Group Corporation |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150415 |
|
| CX01 | Expiry of patent term |