CN205828575U - Takeup type battery core - Google Patents
Takeup type battery core Download PDFInfo
- Publication number
- CN205828575U CN205828575U CN201620657604.8U CN201620657604U CN205828575U CN 205828575 U CN205828575 U CN 205828575U CN 201620657604 U CN201620657604 U CN 201620657604U CN 205828575 U CN205828575 U CN 205828575U
- Authority
- CN
- China
- Prior art keywords
- collector
- battery core
- type battery
- pole piece
- takeup type
- 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.)
- Withdrawn - After Issue
Links
- 239000012528 membrane Substances 0.000 claims abstract description 44
- 239000011149 active material Substances 0.000 claims abstract description 21
- 238000004804 winding Methods 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 6
- 239000007773 negative electrode material Substances 0.000 claims description 6
- 239000007774 positive electrode material Substances 0.000 claims description 5
- 239000005030 aluminium foil Substances 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000011889 copper foil Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229910010707 LiFePO 4 Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 229910002097 Lithium manganese(III,IV) oxide Inorganic materials 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000000630 rising effect Effects 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
-
- 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
Landscapes
- Secondary Cells (AREA)
Abstract
This utility model provides a kind of takeup type battery core, and it has two big faces and two sides, including: the first pole piece, the second pole piece and isolating membrane.First pole piece includes: the first collector；And first active material layer.Second pole piece includes: the second collector；And second active material layer.At the winding ending of takeup type battery core, the most uncoated first active material layer and be defined as the first blank collector on positive and negative two surfaces of the first collector, the most uncoated second active material layer and be defined as the second blank collector on positive and negative two surfaces of the second collector.The length of the first blank collector is the length of blank collector more than second.The part beyond the second blank collector of the first blank collector forms the folding part of the first blank collector, at least one in two big faces of folding part parcel takeup type battery core and two sides.Takeup type battery core of the present utility model is when carrying out drift bolt test, and drift bolt is effective, improves the safety that battery core uses.
Description
Technical field
This utility model relates to field of batteries, particularly relates to a kind of takeup type battery core.
Background technology
In prior art, positive electrode plate and negative electrode plate of lithium ion battery is wound into battery core, owing to positive/negative plate is finished up by dressing district,
When carrying out drift bolt test, after draw point thrusts the battery completely filled, the positive and negative plate instantaneous short circuit of band dressing, release substantial amounts of immediately
Heat, easily catching fire.In order to improve the drift bolt performance of battery, prior art employing arranges one section at positive plate afterbody and adds vast sky
Aluminium foil, arranges one section at negative plate afterbody and adds vast sky Copper Foil, and extend barrier film, and according to empty aluminium foil-barrier film-sky copper
The order that paper tinsel-barrier film is arranged from outside to inside was around battery core outer ring one week, and this structure is referred to as waistcoat (MJ) structure, thus when outside
When sharp conductor pierces through battery, empty aluminium foil and empty Copper Foil can be short-circuited rapidly, and by sky aluminium foil and anode strip (Al-Anode),
The short circuit current shunting of anode strip and cathode sheets (Anode-Cathode), makes the electricity within battery core release, to prevent battery from rising
Fire, thus improve the safety of battery.
But prior art yet suffers from some problems: first, reduce the energy density of battery core, because MJ structure is not wrapped
Containing active substance, the most around the number of plies, energy density is the lowest, relatively big for surface area, energy in the case of particularly battery core is relatively thin
Amount loss is bigger.Secondly, add cost, because this structure includes one layer of empty Copper Foil, one layer of empty aluminium foil, two-layer barrier film, use
Area is big.Again, in particular cases without improvement result, owing to the fusing point of empty aluminium foil is relatively low, when battery core capacity is excessive, or battery core
During change in size, the fusing of sky aluminium foil can be made to cause the shunting action of MJ structure to disappear, in this case for MJ structure only
Its number of turns can be increased to improve action effect, thus cause the problem that previous cost improves and energy density reduces.
Utility model content
In view of problem present in background technology, the purpose of this utility model is to provide a kind of takeup type battery core, and it carries
The safety that high battery core uses, adds the energy density of battery core, reduces cost, and drift bolt is imitated when test for drift bolt
The best.
To achieve these goals, this utility model provides a kind of takeup type battery core, and it has two big faces and two
Side, including: the first pole piece, the second pole piece and isolating membrane.
First pole piece includes: the first collector；And first active material layer, it is coated on the surface of the first collector.
Second pole piece and the first pole piece electric polarity are contrary, including: the second collector；And second active material layer, it is coated on the second collection
On the surface of fluid.Isolating membrane is arranged between the second pole piece and the first pole piece.
At the winding ending of takeup type battery core, the most uncoated first active matter on positive and negative two surfaces of the first collector
Matter layer and be defined as the first blank collector, on positive and negative two surfaces of the second collector the most uncoated second active material layer and
It is defined as the second blank collector.
At the winding ending of takeup type battery core, the first pole piece is in the outermost layer of takeup type battery core, the first blank afflux
The length of body is the length of blank collector more than second.The part beyond the second blank collector of the first blank collector is formed
The folding part of the first blank collector, at least one in two big faces of folding part parcel takeup type battery core and two sides.
The beneficial effects of the utility model are as follows:
According in takeup type battery core of the present utility model, owing to the first blank collector is longer than the second blank collector,
And first blank collector two big faces of the portion envelops takeup type battery core beyond the second blank collector and two sides
In at least one, to such an extent as to the first blank collector on this at least one face than the second blank many parcels at least of collector
Layer, and then when carrying out drift bolt test, the first blank collector and the second blank collector can be short-circuited rapidly, and drift bolt is imitated
The best, improve the safety that battery core uses.Additionally, at the winding ending of takeup type battery core of the present utility model, it is not necessary to will
First pole piece, the second pole piece and isolating membrane wind multi-turn simultaneously, can realize good drift bolt effective, thus add battery core
Energy density, reduce cost.
Accompanying drawing explanation
Fig. 1 is according to takeup type battery core of the present utility model winding schematic diagram in one embodiment；
Fig. 2 is according to takeup type battery core of the present utility model winding schematic diagram in another embodiment；
Fig. 3 is according to takeup type battery core of the present utility model winding schematic diagram in another embodiment；
Fig. 4 is according to the takeup type battery core of the present utility model winding schematic diagram in another embodiment.
Wherein, description of reference numerals is as follows:
The 1 first blank collector of pole piece S2 second
The ending end of 11 first collector E0 the second pole pieces
12 first active material layer 3 isolating membrane
The blank collector 31 Article 1 isolating membrane of S1 first
The ending end of S11 folding part E1 Article 1 isolating membrane
S111 folding line 32 Article 2 isolating membrane
The ending end of 2 second pole piece E2 Article 2 isolating membrane
21 second collector 4 fixing glue
22 second active material layers
Detailed description of the invention
Describe in detail with reference to the accompanying drawings according to takeup type battery core of the present utility model.
Referring to figs. 1 through Fig. 4, according to takeup type battery core of the present utility model, there are two big faces and two sides, including: the
One pole piece the 1, second pole piece 2 and isolating membrane 3.
First pole piece 1 includes: the first collector 11；And first active material layer 12, it is coated on the first collector 11
On surface.Second pole piece 2 is contrary with the first pole piece 1 electric polarity, including: the second collector 21；And second active material layer 22,
It is coated on the surface of the second collector 11.Isolating membrane 3 is arranged between the second pole piece 2 and the first pole piece 1.
At the winding ending of takeup type battery core, the most uncoated first activity on positive and negative two surfaces of the first collector 11
Material layer 12 and be defined as the first blank collector S1, the most uncoated second activity on positive and negative two surfaces of the second collector 21
Material layer and be defined as the second blank collector S2.
Wherein, at the winding ending of takeup type battery core, the first pole piece 1 is in the outermost layer of takeup type battery core, and first is empty
The length of white collector S1 is the length of blank collector S2 more than second.First blank collector S1 beyond the second blank afflux
The part of body S2 formed folding part S11, the folding part S11 parcel takeup type battery core of the first blank collector S1 two big faces and
At least one in two sides.According in takeup type battery core of the present utility model, due to the first blank collector S1 ratio the
Two blank collector S2 length, and the portion envelops takeup type battery core beyond the second blank collector S2 of the first blank collector S1
Two big faces and two sides at least one, to such an extent as to first blank collector S1 ratio second on this at least one face
Blank collector S2 many parcels at least one of which, and then when carrying out drift bolt test, the first blank collection of blank collector S1 and second
Fluid S2 can be short-circuited rapidly, and drift bolt is effective, improves the safety that battery core uses.Additionally, of the present utility model
At the winding ending of takeup type battery core, it is not necessary to first pole piece the 1, second pole piece 2 and isolating membrane 3 are wound multi-turn simultaneously can realize
Good drift bolt is effective, thus adds the energy density of battery core, reduces cost.
According to takeup type battery core of the present utility model, in one embodiment, referring to figs. 1 through Fig. 4, isolating membrane 3 includes: first
Bar isolating membrane 31；And Article 2 isolating membrane 32.
In one embodiment, Article 1 isolating membrane 31 and Article 2 isolating membrane 32 can be interconnected together is one.
In one embodiment, Article 1 isolating membrane 31 and Article 2 isolating membrane 32 can be two separated.
In one embodiment, for anode pole piece, the second pole piece 2 is cathode pole piece to the first pole piece 1, and the first collector 11 is
Plus plate current-collecting body and the second collector 21 is negative current collector, the first active material layer 12 second is lived for positive electrode active material layer
Property material layer 22 is negative electrode active material layer.Or for cathode pole piece, the second pole piece 2 is anode pole piece to the first pole piece 1, first
For negative current collector, the second collector 21 is plus plate current-collecting body to collector 11, and the first active material layer 12 is negative electrode active material
Layer and the second active material layer 22 is positive electrode active material layer.
In one embodiment, the receipts of Article 1 isolating membrane it are less than referring to figs. 1 through Fig. 4, the ending end E0 of the second pole piece
The ending end E2 of tail end E1 and Article 2 isolating membrane.So the purpose of winding is the ending end in order to avoid the second pole piece
E0 is exposed to outside Article 1 isolating membrane 31 and Article 2 isolating membrane 32, thus prevents both positive and negative polarity short circuit, contributes to protection winding
The use safety of formula battery core.
In one embodiment, with reference to Fig. 1, the part beyond the second blank collector S2 of the first blank collector S1 is along volume
It is bent to form the folding part S11 with folding line S111 of the first blank collector S1 around direction, and a part of folding part S11 is stretched
Enter at least one big with parcel takeup type battery core between Article 1 isolating membrane 31 and the first pole piece 1.
In one embodiment, the part stretched between Article 1 isolating membrane 3 and the first pole piece 1 of folding part S11 is less than
Second blank collector S2 away from end folding line S111 at, thus it is electric not affect takeup type while ensureing drift bolt effect
The energy density of core.
In one embodiment, the ending end E1 of Article 1 isolating membrane is less than the ending end E2 of Article 2 isolating membrane,
Or the ending end E2 of Article 2 isolating membrane is less than the ending end E1 of Article 1 isolating membrane.Here remark additionally,
Article 1, the length of the length of isolating membrane 31 and Article 2 isolating membrane 32 is not etc. to fix for the ease of follow-up rubberizing.
In one embodiment, the part beyond the second blank collector S2 of the first blank collector S1 is along coiling direction
Reversely it is bent to form the folding part S11 with folding line S111 of the first blank collector S1, and folding part S11 is positioned at takeup type electricity
The surface of core.
In one embodiment, with reference to one of them big of Fig. 2 and Fig. 4, folding part S11 parcel takeup type battery core.
In one embodiment, two big faces of folding part S11 parcel takeup type battery core.
In one embodiment, with reference to two big faces and two sides of Fig. 3, folding part S11 parcel takeup type battery core, thus
Realize the omnibearing parcel of takeup type battery core, strengthen the adaptability that the drift bolt to not coplanar is tested.
In one embodiment, the folding line S111 of folding part S11 can be one or more.
In one embodiment, with reference to Fig. 4, when the folding line S111 of folding part S11 is two or more, the shape of folding part S11
Shape is " Z " shape, now can greatly strengthen the surface of takeup type battery core residing for two or more folding line S111 (in the diagram
For being in the big face of top) thermal diffusivity of folding part S11 when drift bolt, increase thickness and the intensity of folding part S11, fall simultaneously
The risk of low fusing, improves the reliability of drift bolt test.
In one embodiment, the end Pasting referring to figs. 1 through Fig. 4, folding part S11 has fixing glue 4.Here add
Bright, pasting fixing glue 4 is for the end of fixed fold portion S11.And in FIG, fixing glue 4 can also play and prevent folding
Folded portion S11 pierces through the purpose of Article 1 isolating membrane 31, in order to reach this purpose, also fixing glue 4 can be pasted onto folding part S11
Article 1 isolating membrane 31 corresponding to end surface on.
In one embodiment, there is fixing glue 4 referring to figs. 1 through Pasting at the folding line S111 of Fig. 4, folding part S11.Here
Supplementary notes, being pasted with fixing glue 4 in the outside of folding line S111 is to fix folding line S111, and at Article 1 isolating membrane
Being pasted with fixing glue 4 between 31 and Article 2 isolating membrane 32 is to prevent the blank collector S2 of folding line S111 and second from directly connecing
Touch.In FIG, it is possible to fixing glue 4 is pasted onto the inner side of folding line S111, can play equally and prevent folding line S111 and second empty
The purpose of white collector S2 contact.
In one embodiment, fixing glue 4 can be green glue.
In one embodiment, the material of isolating membrane 3 can be polypropylene or polyethylene.
In one embodiment, plus plate current-collecting body can be aluminium foil, and negative current collector can be Copper Foil.
In one embodiment, the negative electrode active material in negative electrode active material layer is selected from Delanium, native graphite, nothing
One or more in setting carbon, hard charcoal.
In one embodiment, the positive active material in the active material layer of positive pole pole is selected from cobalt acid lithium, LiMn2O4, ternary
One or more in material, LiFePO 4.
Claims (10)
1. a takeup type battery core, has two big faces and two sides, including；
First pole piece (1), including:
First collector (11)；And
First active material layer (12), is coated on the surface of the first collector (11)；
Second pole piece (2), contrary with the first pole piece (1) electric polarity, including:
Second collector (21)；And
Second active material layer (22), is coated on the surface of the second collector (11)；
Isolating membrane (3), is arranged between the second pole piece (2) and the first pole piece (1)；
At the winding ending of takeup type battery core, the most uncoated first active matter on positive and negative two surfaces of the first collector (11)
Matter layer (12) and be defined as the first blank collector (S1), on positive and negative two surfaces of the second collector (21) the most uncoated the and
Active material layer and be defined as the second blank collector (S2)；
It is characterized in that,
At the winding ending of takeup type battery core, the first pole piece (1) is in the outermost layer of takeup type battery core, the first blank collector
(S1) length is the length of blank collector (S2) more than second；
The part beyond the second blank collector (S2) of the first blank collector (S1) forms the first blank collector (S1)
Folding part (S11), at least one in two big faces of folding part (S11) parcel takeup type battery core and two sides.
Takeup type battery core the most according to claim 1, it is characterised in that isolating membrane (3) including:
Article 1, isolating membrane (31)；And
Article 2 isolating membrane (32).
Takeup type battery core the most according to claim 1, it is characterised in that the first pole piece (1) is anode pole piece and the second pole
Sheet (2) is cathode pole piece, and the first collector (11) is plus plate current-collecting body and the second collector (21) is negative current collector, and first lives
Property material layer (12) is positive electrode active material layer and the second active material layer (22) is negative electrode active material layer；Or
First pole piece (1) is cathode pole piece and the second pole piece (2) is anode pole piece, the first collector (11) be negative current collector and
Second collector (21) is plus plate current-collecting body, and the first active material layer (12) is negative electrode active material layer and the second active material layer
(22) it is positive electrode active material layer.
Takeup type battery core the most according to claim 2, it is characterised in that
The ending end (E0) of the second pole piece is less than ending end (E1) and the receipts of Article 2 isolating membrane of Article 1 isolating membrane
Tail end (E2).
Takeup type battery core the most according to claim 4, it is characterised in that the first blank collector (S1) empty beyond second
The part of white collector (S2) is bent to form the folding with folding line (S111) of the first blank collector (S1) along coiling direction
Portion (S11), and the part of folding part (S11) stretches between Article 1 isolating membrane (31) and the first pole piece (1) to wrap up winding
Big of at least one of formula battery core.
Takeup type battery core the most according to claim 5, it is characterised in that folding part (S11) stretches into Article 1 isolating membrane
(3) part between and the first pole piece (1) is the end away from folding line (S111) place of blank collector (S2) less than second.
Takeup type battery core the most according to claim 4, it is characterised in that the first blank collector (S1) empty beyond second
The part of white collector (S2) along coiling direction be reversely bent to form the first blank collector (S1) there is folding line (S111)
Folding part (S11), and folding part (S11) be positioned at the surface of takeup type battery core.
Takeup type battery core the most according to claim 7, it is characterised in that
One of them big of folding part (S11) parcel takeup type battery core；Or
Two big faces of folding part (S11) parcel takeup type battery core.
Takeup type battery core the most according to claim 7, it is characterised in that the folding line (S111) of folding part (S11) is one
Or it is multiple.
10. according to the takeup type battery core described in claim 2, it is characterised in that
The end of folding part (S11) is pasted with fixing glue (4)；
Folding line (S111) place of folding part (S11) is pasted with fixing glue (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620657604.8U CN205828575U (en) | 2016-06-28 | 2016-06-28 | Takeup type battery core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620657604.8U CN205828575U (en) | 2016-06-28 | 2016-06-28 | Takeup type battery core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205828575U true CN205828575U (en) | 2016-12-21 |
Family
ID=57566375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620657604.8U Withdrawn - After Issue CN205828575U (en) | 2016-06-28 | 2016-06-28 | Takeup type battery core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205828575U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546404A (en) * | 2016-06-28 | 2018-01-05 | 宁德新能源科技有限公司 | Takeup type battery core |
| CN109585928A (en) * | 2017-09-29 | 2019-04-05 | 比亚迪股份有限公司 | Battery core and battery with it |
| CN109841907A (en) * | 2017-11-24 | 2019-06-04 | 丰田自动车株式会社 | The manufacturing method of rolled electrode bodies |
-
2016
- 2016-06-28 CN CN201620657604.8U patent/CN205828575U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107546404A (en) * | 2016-06-28 | 2018-01-05 | 宁德新能源科技有限公司 | Takeup type battery core |
| CN107546404B (en) * | 2016-06-28 | 2024-04-05 | 宁德新能源科技有限公司 | Winding type battery cell |
| CN109585928A (en) * | 2017-09-29 | 2019-04-05 | 比亚迪股份有限公司 | Battery core and battery with it |
| CN109841907A (en) * | 2017-11-24 | 2019-06-04 | 丰田自动车株式会社 | The manufacturing method of rolled electrode bodies |
| CN109841907B (en) * | 2017-11-24 | 2021-08-31 | 丰田自动车株式会社 | Method for manufacturing wound electrode assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161221 Effective date of abandoning: 20240405 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20161221 Effective date of abandoning: 20240405 |