CN204348767U - Cylindrical battery cap, battery core and cylindrical battery - Google Patents
Cylindrical battery cap, battery core and cylindrical battery Download PDFInfo
- Publication number
- CN204348767U CN204348767U CN201420516239.XU CN201420516239U CN204348767U CN 204348767 U CN204348767 U CN 204348767U CN 201420516239 U CN201420516239 U CN 201420516239U CN 204348767 U CN204348767 U CN 204348767U
- Authority
- CN
- China
- Prior art keywords
- cylindrical battery
- hollow toroid
- toroid groove
- negative electrode
- block
- 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.)
- Active
Links
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims description 40
- 239000012530 fluid Substances 0.000 claims description 16
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 12
- 229910052759 nickel Inorganic materials 0.000 claims description 6
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical group [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 4
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000012797 qualification Methods 0.000 abstract description 2
- 239000004411 aluminium Substances 0.000 description 7
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 7
- 229910052782 aluminium Inorganic materials 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000003792 electrolyte Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 239000004743 Polypropylene Substances 0.000 description 2
- 239000005030 aluminium foil Substances 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 229920001155 polypropylene Polymers 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920000965 Duroplast Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000003467 diminishing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 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
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a kind of cylindrical battery cap, battery core and cylindrical battery, there is upper surface, lower surface and the outer peripheral face between described upper and lower surface, described outer peripheral face is provided with the first hollow toroid groove, upwards form two through holes passed through for cylindrical battery positive and negative electrode from described lower surface, form the second hollow toroid groove downwards from described upper surface.By being shaped a downward hollow toroid groove in lid upper surface, make in slot rolling process, hollow circular cylinder can be filled in this hollow toroid groove temporarily, and to shell nozzle, portion provides support, and enables housing slot rolling carry out smoothly and improve slot rolling qualification rate.
Description
Technical field
The application relates to a kind of cylindrical battery.
Background technology
Finished product lithium battery comprises battery core, protection circuit plate and nameplate paper, film.The effect of protection circuit plate prevents battery by overcharge with by overdischarge.
As shown in Figure 1, battery core generally comprises block 3, housing 9, core 10 and electrolyte, and block 3 and housing 9 form sealing shell, and electrolyte and core 10 are all sealed in sealing shell.
The name of applicant is called " cylindrical battery cell, battery and housing cap sealed fixing means ", publication number, and disclosed in the application for a patent for invention of CN103208594A, an embodiment is as shown in Figure 1, block 3 is rigid plastics, block 3 is integrally made up of auxiliary section 12 and step 13, auxiliary section 12, the step 13 of block are all cylindrical, step 13 overall diameter is greater than auxiliary section 12 overall diameter, be shaped in auxiliary section 12 first hollow toroid groove 27, settles an O-ring seals 5 at the first hollow toroid groove.The block 3 placing sealing ring 5 is filled in the peristome of housing 9, and it is head-to-foot, block step 13 is made to withstand on the peristome of housing 9, in the place of housing 9 correspondence block the first hollow toroid groove 27, (axis to housing) shrinks inwards, a second hollow toroid groove 31 is formed at housing 9 outer surface, corresponding inner surface is annular protrusion 28, first hollow toroid groove 27 of blocking a shot forms convex groove with shell inner surface annular protrusion 28 and is clasped, O-ring seals 5 sandwiched therebetween is extruded contraction, makes to be sealed between block 3 and housing 9 and fix.Second hollow toroid groove 31 of housing 9 outer surface and annular protrusion 28 corresponding to inner surface realize by slot rolling technology.
As shown in Figure 2, no matter housing 9 is iron or aluminium, its wall thickness all very thin (0.20 millimeter), so the place of its peristome is all softer, easily cave in when hobboing cutter 2 feed, even if do not cave in, quality control is also more difficult, so generally can fill in a hollow circular cylinder 1 (hollow is to step down to core electrode 8) can followed housing 9 and rotate at peristome 11 in slot rolling process temporarily, this hollow circular cylinder 1 overall diameter is equal or smaller with housing 9 interior diameter, provides support to peristome 11.And the embodiment of above-mentioned publication application is blocked a shot and filled in shell nozzle portion 11 before slot rolling, hollow circular cylinder directly can not fill in shell nozzle portion 11, inconvenient slot rolling.
Utility model content
The utility model provides a kind of cylindrical battery cap, battery core and the cylindrical battery that facilitate slot rolling.
The utility model provides a kind of cylindrical battery cap, there is upper surface, lower surface and the outer peripheral face between described upper and lower surface, described outer peripheral face is provided with the first hollow toroid groove, upwards form two through holes passed through for cylindrical battery positive and negative electrode from described lower surface, form the second hollow toroid groove downwards from described upper surface.
Two described through holes run through the bottom land of described second hollow toroid groove; Namely through hole runs through the bottom land of the second hollow toroid groove and described lower surface up and down, and now, two through holes are all through with the second hollow toroid groove.
In addition, two through holes can upwards extend from lower surface and directly run through described upper surface, and namely through hole is not through with the second hollow toroid groove, and now, two through holes are positioned at the inside region of the second hollow toroid groove interior diameter, are equivalent to the second hollow toroid grooved ring around two through holes.
Described cylindrical battery cap, comprise cylindricality auxiliary section and be positioned at the cylindricality step above described auxiliary section, the overall diameter of described step is greater than the overall diameter of described auxiliary section, described upper surface is the upper surface of described step, described lower surface is the lower surface of described auxiliary section, and described first hollow toroid groove is located at described auxiliary section.
The outer peripheral face of auxiliary section and the outer peripheral face of step form the outer peripheral face of block.
First hollow toroid groove inwardly concaves, and this inwardly concaves is that the axis pointing to block is recessed into, and the radial direction be namely equivalent to along block is recessed into.
Run through described upper surface and lower surface up and down and form a fluid injection sealing hole, described second hollow toroid grooved ring is around described fluid injection sealing hole.Fluid injection sealing hole runs through whole auxiliary section and step up and down.
Described fluid injection sealing hole is positioned at the axis of block.
Two described through holes are symmetrical about described axis.
The outer diameter surface of described second hollow toroid groove is outward-dipping.Second hollow toroid groove has circular outer diameter surface and circular inner diameter surface.The outward-dipping axis inclination referred to away from block.
A kind of cylindrical battery cell, comprise housing, the sealing ring of elastic material and just have, the core of negative electrode, described housing is cylindrical shape and has the peristome being positioned at its top, described peristome is provided with the 3rd hollow toroid groove and the annular protrusion that slot rolling is formed, also comprise described block, described sealing ring embeds described first hollow toroid groove and entangles described block, described peristome filled in by described block, described first hollow toroid groove and described annular protrusion are clasped, described sealing ring is extruded distortion, described block and peristome are sealed and fixes and form sealing shell, described core is sealed in described sealing shell, just described, negative electrode upwards penetrates corresponding described through hole.When through hole runs through the bottom land of the second hollow toroid groove, positive and negative electrode also penetrates the second hollow toroid groove.
Step can be pressed in the top end face of peristome.
A kind of cylindrical battery, comprise protection circuit plate, described protection circuit plate has positive and negative electrode input, also comprises described battery core, and the positive and negative electrode of described battery core is connected with described positive and negative electrode input respectively.
Be nickel strap one of in described positive electrode and negative electrode, another in described positive electrode and negative electrode is aluminium nickel composite band.
The beneficial effects of the utility model are: by being shaped a downward hollow toroid groove in lid upper surface, make in slot rolling process, hollow circular cylinder can be filled in this hollow toroid groove temporarily, and to shell nozzle, portion provides support, and enables housing slot rolling carry out smoothly and improve slot rolling qualification rate.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing cylindrical battery cell;
Fig. 2 is existing conventional cylindrical battery slot rolling schematic diagram;
Fig. 3 is the schematic top plan view of present embodiment cylindrical battery cap;
Fig. 4 is the cross-sectional schematic of Fig. 3 along A-A direction;
Fig. 5 is the structural representation of the cylindrical battery cell of present embodiment;
Fig. 6 is the slot rolling schematic diagram adopting present embodiment.
Embodiment
By reference to the accompanying drawings the utility model is described in further detail below by embodiment.
A kind of cylindrical battery cap, as shown in Figures 3 and 4, have upper surface 19, lower surface 24 and the outer peripheral face between upper and lower surface 25, outer peripheral face is provided with the first hollow toroid groove 27, forms the second hollow toroid groove 4 downwards from described upper surface.
The bottom land and the described lower surface that run through the second hollow toroid groove form two through holes 20.
A kind of plastics block, as shown in Figure 3 and Figure 4, block 3 is rigid plastics, block 3 comprises auxiliary section 12 and the step 13 of one, auxiliary section 12, the step 13 of block are all cylindrical, step 13 overall diameter is greater than auxiliary section 12 overall diameter, be shaped in auxiliary section 12 first hollow toroid groove 27, to allow elastic O-shaped sealing ring energy inlay card in the first hollow toroid groove 27, to be shaped downwards the second hollow toroid groove 4 at step 13 upper surface 19, fill in this second hollow toroid groove 4 li with hollow circuit cylinder physical efficiency when the follow-up battery core slot rolling temporarily, thus the intensity of support housing peristome.Step upper surface is the upper surface of whole block, and the lower surface of auxiliary section is the lower surface of whole block.
Block has two through holes 20 supplying core positive and negative electrode to be each passed through and a fluid injection sealing hole 21.The auxiliary section 12 of fluid injection sealing hole up/down perforation block and step 13, namely block can be run through up and down in fluid injection sealing hole 21.Through hole 20 can be opened below the second hollow toroid groove 4, and through hole 20 upwards to be formed and through with the second hollow toroid groove 4 from auxiliary section 12 lower surface 24, is namely equivalent to through hole 20 extends to auxiliary section 12 lower surface 24 from the bottom land of the second hollow toroid groove 4, as shown in Figure 4.Certainly, through hole 20 also can open the inside region of the interior diameter at the second hollow toroid groove 4, and through hole about 20 runs through auxiliary section 12 and step 13, now, two through holes 20 and the second hollow toroid groove 4 not through.
A kind of cylindrical battery cell, as shown in Figures 3 to 5, comprises cylindrical shell 9, block 3, sealing ring 5 and has the core 10 of positive and negative electrode.Housing 9 has the peristome 11 being positioned at its top, and block 3 is fixed on peristome 11 and forms sealing shell with housing 9, and core 10 is sealed in sealing shell.Block 3 is hard material, block 3 comprises auxiliary section 12 and the step 13 of one, and the step 13 of block is cylindrical, and step 13 overall diameter is greater than auxiliary section 12 overall diameter, be shaped in auxiliary section 12 first hollow toroid groove 27, to be shaped downwards the second hollow toroid groove 4 at step 13 upper surface 19.Sealing ring 5 is elastic material, is ring shape, as O shape circle.During assembling, utilize the elasticity of sealing ring, sealing ring 5 swell be inserted in through block auxiliary section 12 bottom, then shrink and sink to the first hollow toroid groove 27 li, namely O shape is enclosed 5 inlay cards in the first hollow toroid groove 27, form assembly 29, after assembly 29 is filled in peristome 11, the step 13 of block is stuck in the top end face 17 of peristome.As shown in Figure 6, adopt slot rolling technology to make shell nozzle portion 11 outer surface form (direction, axis to housing) the 3rd hollow toroid groove 31, inner surface correspondence formation annular protrusion 28 inwards inwards in the position of corresponding first hollow toroid groove 27, first hollow toroid groove 27 of blocking a shot forms convex groove with peristome annular protrusion 28 and is clasped, the O-ring seals 5 be clipped between this peristome 11 and first hollow toroid groove 27 is extruded contraction, and makes to be sealed between block 3 and peristome 11 and fix.In slot rolling process, hollow circular cylinder 1 fills in block second hollow toroid groove 4 li temporarily, provides support shell nozzle portion 11.Hollow circuit cylinder external surface 6 diameter and block the second hollow toroid groove outer diameter surface 7 equal diameters or smaller.
Electrode 8 is filled with a sealing with binding agent with the gap 26 of electrode through hole 20.After slot rolling completes, the second hollow toroid groove 4 also can fill up when giving gap 26 filling adhesive between electrode 8 and through hole 20 simultaneously.
Block fluid injection sealing hole is positioned on the axis of block.Setting like this, in order that be convenient to the work of cylindrical battery automatic filling machine.If fluid injection sealing hole is not on the axis of block, except giving cylindrical electrical core space orientation, relocate also will to the fluid injection of cylindrical electrical core sealing hole, even if because behind cylindrical electrical core self exact space location, different corner, the locus in fluid injection sealing hole is different.But fluid injection sealing hole is when blocking a shot on axis, after battery core space orientation accurately, its fluid injection sealing locus, hole is also determined, the corner not with battery core changes.
Fill in block second hollow toroid groove 4 li for convenience of hollow circular cylinder, the second hollow toroid groove outer diameter surface 7 diameter can from smoothly diminish greatly (as shown in Figure 5, outer diameter surface 7 be outward-dipping).Correspondingly, hollow circular cylinder head 30 outer surface diameter is also from smoothly diminishing greatly, and namely hollow circular cylinder head is the smaller cone shape in front end, as shown in Figure 6.
Core two electrode materials one are nickel strap, and another is aluminium nickel composite band.One, usual battery core electrode is aluminium strip, and another is nickel strap, and nickel strap welds together with core Copper Foil, and aluminium strip welds together with core aluminium foil.But battery core aluminium strip and wiring board, wire soldering when following process is very difficult, so just aluminium strip is made into aluminium nickel composite band, this one side of the aluminium material of aluminium nickel composite band is welded together with aluminium foil, when this one side of nickel material facilitates battery core following process and wire, wiring board soldering.
Battery lithium battery, vanadium cell or super capacitance cell.
A kind of battery, comprise protection circuit plate and battery battery core, protection circuit plate has positive and negative input, and the positive and negative electrode of battery core is connected with the positive and negative input of protection circuit plate respectively.
The requirement of block, bonding agent, sealing ring is high temperature resistant, electrical insulation capability good and electrolyte resistance corrosion, and if block can be polypropylene (PP) material, sealing ring can be polytetrafluoroethylene, and bonding agent can corrode resistant to elevated temperatures AB glue for electrolyte resistance.Housing is metal, and as iron, aluminium, block a shot as duroplasts, sealing ring is elastoplast, rubber.
Above content is in conjunction with concrete execution mode further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, some simple deduction or replace can also be made.
Claims (10)
1. a cylindrical battery cap, there is upper surface, lower surface and the outer peripheral face between described upper and lower surface, described outer peripheral face is provided with the first hollow toroid groove, two through holes passed through for cylindrical battery positive and negative electrode are upwards formed from described lower surface, it is characterized in that, form the second hollow toroid groove downwards from described upper surface.
2. cylindrical battery cap as claimed in claim 1, it is characterized in that, two described through holes run through the bottom land of described second hollow toroid groove.
3. cylindrical battery cap as claimed in claim 1, it is characterized in that, comprise cylindricality auxiliary section and be positioned at the cylindricality step above described auxiliary section, the overall diameter of described step is greater than the overall diameter of described auxiliary section, described upper surface is the upper surface of described step, described lower surface is the lower surface of described auxiliary section, and described first hollow toroid groove is located at described auxiliary section.
4. cylindrical battery cap as claimed in claim 3, is characterized in that, runs through described upper surface up and down and lower surface forms a fluid injection sealing hole, and described second hollow toroid grooved ring is around described fluid injection sealing hole.
5. cylindrical battery cap as claimed in claim 4, is characterized in that, described fluid injection sealing hole is positioned at the axis of block.
6. cylindrical battery cap as claimed in claim 5, is characterized in that, two described through holes are symmetrical about described axis.
7. cylindrical battery cap as claimed in claim 1, it is characterized in that, the outer diameter surface of described second hollow toroid groove is outward-dipping.
8. a cylindrical battery cell, comprise housing, the sealing ring of elastic material and just have, the core of negative electrode, described housing is cylindrical shape and has the peristome being positioned at its top, described peristome is provided with the 3rd hollow toroid groove and the annular protrusion that slot rolling is formed, it is characterized in that, also comprise the block in claim 1-7 described in any one, described sealing ring embeds described first hollow toroid groove and entangles described block, described peristome filled in by described block, described first hollow toroid groove and described annular protrusion are clasped, described sealing ring is extruded distortion, described block and peristome are sealed and fixes and form sealing shell, described core is sealed in described sealing shell, just described, negative electrode upwards penetrates corresponding described through hole.
9. a cylindrical battery, comprises protection circuit plate, and described protection circuit plate has positive and negative electrode input, it is characterized in that, also comprises battery core according to claim 8, and the positive and negative electrode of described battery core is connected with described positive and negative electrode input respectively.
10. cylindrical battery as claimed in claim 9, is characterized in that, is nickel strap one of in described positive electrode and negative electrode, and another in described positive electrode and negative electrode is aluminium nickel composite band.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516239.XU CN204348767U (en) | 2014-09-09 | 2014-09-09 | Cylindrical battery cap, battery core and cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420516239.XU CN204348767U (en) | 2014-09-09 | 2014-09-09 | Cylindrical battery cap, battery core and cylindrical battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204348767U true CN204348767U (en) | 2015-05-20 |
Family
ID=53232018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420516239.XU Active CN204348767U (en) | 2014-09-09 | 2014-09-09 | Cylindrical battery cap, battery core and cylindrical battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204348767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681088A (en) * | 2017-11-06 | 2018-02-09 | 惠州亿纬锂能股份有限公司 | A kind of blast resistance construction and the USB rechargeable batteries using the blast resistance construction |
-
2014
- 2014-09-09 CN CN201420516239.XU patent/CN204348767U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107681088A (en) * | 2017-11-06 | 2018-02-09 | 惠州亿纬锂能股份有限公司 | A kind of blast resistance construction and the USB rechargeable batteries using the blast resistance construction |
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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: 20170418 Address after: 415000 Shimen Economic Development Zone for the day of the Hill neighborhood of the group of four (Industrial Park, the standard workshop) in Hunan Patentee after: HUNAN ANDEFENG NEW ENERGY TECHNOLOGY CO.,LTD. Address before: 518000 Guangdong City, Futian District province Yi Tian Village, room 39, building 603, room Patentee before: Ding Zhenrong |
|
| TR01 | Transfer of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cylindrical battery cover cap, cylindrical batter cell and cylindrical battery Effective date of registration: 20200426 Granted publication date: 20150520 Pledgee: Changde Finance Guarantee Co.,Ltd. Pledgor: HUNAN ANDEFENG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020980001790 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210512 Granted publication date: 20150520 Pledgee: Changde Finance Guarantee Co.,Ltd. Pledgor: HUNAN ANDEFENG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020980001790 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cylindrical battery cap, cell and cylindrical battery Effective date of registration: 20210531 Granted publication date: 20150520 Pledgee: Changde Finance Guarantee Co.,Ltd. Pledgor: HUNAN ANDEFENG NEW ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2021980004197 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220513 Granted publication date: 20150520 Pledgee: Changde Finance Guarantee Co.,Ltd. Pledgor: HUNAN ANDEFENG NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2021980004197 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cylindrical battery cap, cell and cylindrical battery Effective date of registration: 20220520 Granted publication date: 20150520 Pledgee: Changde Finance Guarantee Co.,Ltd. Pledgor: HUNAN ANDEFENG NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2022980005941 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230406 Granted publication date: 20150520 Pledgee: Changde Finance Guarantee Co.,Ltd. Pledgor: HUNAN ANDEFENG NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2022980005941 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Cylindrical battery caps, cells, and cylindrical batteries Effective date of registration: 20230414 Granted publication date: 20150520 Pledgee: Changde Finance Guarantee Co.,Ltd. Pledgor: HUNAN ANDEFENG NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2023980038250 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20150520 Pledgee: Changde Finance Guarantee Co.,Ltd. Pledgor: HUNAN ANDEFENG NEW ENERGY TECHNOLOGY CO.,LTD. Registration number: Y2023980038250 |