CN206961945U - A kind of lead accumulator grid - Google Patents
A kind of lead accumulator grid Download PDFInfo
- Publication number
- CN206961945U CN206961945U CN201720395586.5U CN201720395586U CN206961945U CN 206961945 U CN206961945 U CN 206961945U CN 201720395586 U CN201720395586 U CN 201720395586U CN 206961945 U CN206961945 U CN 206961945U
- Authority
- CN
- China
- Prior art keywords
- frame rib
- rib
- lug
- lengthways
- lead accumulator
- 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- Withdrawn - After Issue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
- 230000008859 change Effects 0.000 claims description 3
- 239000011149 active material Substances 0.000 description 8
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 7
- 239000002253 acid Substances 0.000 description 7
- 238000003860 storage Methods 0.000 description 5
- 238000013475 authorization Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000005684 electric field Effects 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000011505 plaster Substances 0.000 description 3
- 208000037656 Respiratory Sounds Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 230000037361 pathway Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid group Chemical group S(O)(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003471 mutagenic agent Substances 0.000 description 1
- 231100000707 mutagenic chemical Toxicity 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000011295 pitch Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification 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
Landscapes
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model discloses a kind of lead accumulator grid, including the frame being made up of the vertical frame rib of upper side frame rib, lower frame rib and two, the crisscross horizontal rib and lengthways of rod for forming network structure in frame, and it is arranged on the lug on upper side frame rib, the lengthways of rod collapses to the azimuthal tilt where lug, and their extended line intersects at a point, the intersection point is located at directly over lug, and the spacing of upper and lower frame rib and the intersection point and the ratio of the spacing of lower frame rib are golden section proportion.The lengthways of rod of the utility model lead accumulator grid collapses to the azimuthal tilt where lug, and their extended line intersects at a point, and internal resistance is minimum；The spacing of upper and lower frame rib and the intersection point and the ratio of the spacing of lower frame rib are golden section proportion so that depth of discharge is not easy excessive in the unit interval, and service life is effectively ensured.
Description
Technical field
Lead accumulator production technical field is the utility model is related to, more particularly to a kind of lead accumulator grid.
Background technology
Lead accumulator is created to be had 150 years so far, and the application field of battery is very extensive.In recent years, electric car was with it
Performance, relatively low storage space requirement and outstanding price advantage preferably ride instead of walk in China's fast development, has benefited from this, electric power storage
Pond industry has also obtained rapid development.
Lead-acid accumulator belongs to reversible dc power supply, chemical energy can be changed into electric energy, while can also convert electrical energy into
Chemical energy.Lead-acid accumulator is mainly made up of electrolyte, groove lid and pole group, and the electrolyte of lead-acid accumulator is sulfuric acid solution,
Wherein pole group is mainly made up of positive plate, negative plate and dividing plate, and dividing plate primarily serves storage electrolyte, the gas compound as oxygen
Body passage, play prevent active material come off and positive and negative electrode between short-circuit effect.
In storage battery production process, carrier and conductor of the grid as lead plaster, lead plaster only have full-filling on grid
It could turn into pole plate after solidification is dried, and pole plate is the core of lead-acid accumulator, grid is just as skeleton, to whole pole plate
Intensity and service life have direct influence.
Current grid rib is all generally to intersect vertically in length and breadth, and this grid current conduction path is longer, exists larger
Internal drop, and lead plaster easily because during use Volume Changes it is uneven come off, cause the deficiency in capacity and life-span.
Authorization Notice No. is that CN201435421Y Chinese utility model patent discloses a kind of electrode of lead-acid accumulator
Grid structure, include frame, be externally connected to the plate ear of a protrusion in frame, interlaced transverse rod strip is connected with frame
And vertical bars bar, the depth of section of the vertical bars bar is identical with the depth of section of frame, depth of section the cutting than frame of transverse rod strip
Face highly low 15~30%, the vertical bars bar is in the radial pattern layout centered on plate ear.
Authorization Notice No. is that CN201741750U Chinese utility model patent discloses a kind of grid for lead-acid storage batteries,
Including frame, the plate ear of a protrusion is provided with the outside of the frame, be provided with the frame crisscross transverse rod strip and
Vertical bars bar, the transverse rod strip are uniformly distributed, and the vertical bars bar tilts close to one end of the plate ear to the plate ear, the vertical bars
The thickness of bar and the seal ring thickness are equal, support feet are provided with the bottom of the frame, the vertical bars bar is with the plate ear
Centered on radially distribute.
Authorization Notice No. is that CN203406378U Chinese utility model patent discloses a kind of lead acid accumulator plate grid, by
Lug, frame and the rib composition being arranged in frame, the lug are arranged on the upper end of frame, and the rib includes transverse rod strip
With vertical bars bar, transverse rod strip and vertical bars bar are staggered to form network structure, and transverse rod strip is set for horizontal parallel, and vertical bars bar is on lug side edge
Radially distributed to both sides in the middle part of frame, vertical bars bar at least eight vertical bars Article 3 vertical bars bar since close to lug one end
Bar is provided with rib branch, and rib branch is pitched by transition branch and is connected with vertical bars bar, and transition branch pitches the middle and upper part for being arranged on vertical bars bar,
Rib branch is alternately arranged with vertical bars bar.
Utility model content
The utility model is longer for grid current conduction path in the prior art, the problem of larger internal drop be present, carries
A kind of lead accumulator grid is supplied, current conduction path is short in the lead accumulator grid, and internal resistance is small.
A kind of lead accumulator grid, including be made up of the vertical frame rib of upper side frame rib, lower frame rib and two
Frame, it is crisscross in frame to form the horizontal rib and lengthways of rod of network structure, and be arranged on upper side frame rib
Lug, the lengthways of rod collapses to the azimuthal tilt where lug, and their extended line intersects at a point, and the intersection point is located at
Directly over lug, the spacing of upper and lower frame rib and the intersection point and the ratio of the spacing of lower frame rib are golden section proportion.
The spacing of i.e. upper and lower frame rib and the intersection point and the ratio of the spacing of lower frame rib are about 0.618.All lengthways of rod
End points to intersection point is straightway, and the distance of straightway is most short, and the size of resistance is directly proportional to rib length scale, and distance is most short,
Internal resistance is minimum.Such as extend lengthways of rod not intersecting at finally a bit, then current conduction path eventually becomes dispersity, conducting pathway
Footpath is scattered to cause conduction current value to disperse, and the electric current of dispersity is unfavorable for battery and sparked.When extend lengthways of rod most
When intersecting at a point eventually, the current value of the point will be the summation of whole pole plate electric current, therefore increase instantaneous current value, improve high current
Discharge performance.During battery discharging, its discharge performance and service life are important indicator.Such as depth of discharge mistake in the unit interval
Greatly, then the life-span can shorten.And when it is the 60%~65% of whole battery that battery, which releases capacity, then carry out charging to it with
Ensure service life.
Angle between adjacent two lengthways of rod is 3 degree.
The height of the lug is H, on the outside of lug along and the distance at upper side frame rib midpoint be L, the lug and top
The intersection point of frame rib is using oval focuses of the 2L as major axis, 2H for short axle.
The width of the lug base portion gradually increases.Strengthen the connection effect of lug and upper side frame rib, and be not easy because storing
Heat caused by battery work causes deformation and crackle.
Lengthways of rod hand tail between the lower frame rib horizontal rib adjacent thereto, which is connected, to be serrated.In pole plate system
Its bottom is easily damaged during making and when battery is shaken, therefore so design is more beneficial for effective holding of active material.
The width of the lengthways of rod gradually increases from lower frame rib to upper side frame rib.Because of the active matter on pole plate top
Matter utilization rate is higher, therefore top lengthways of rod overstriking can reduce internal resistance, be advantageous to moment afflux.
The vertical frame rib of the upper side frame rib and close lug is compared with lower frame rib and another vertical frame muscle
Bar is thick.The active material utilization of the vertical frame rib of upper side frame rib and close lug is higher, therefore overstriking can reduce internal resistance,
Be advantageous to moment afflux.
The vertical frame rib width of the upper side frame rib and close lug is 3mm, and lower frame rib and another erect
It is 2mm to frame rib width.
The horizontal rib wherein one end end is the conical section of width gradual change.Cast close to the conical section side for grid
Mouthful, horizontal rib is designed to conical section close to the overstriking of sprue gate side, makes the lead flowed into casting cycle in the unit interval
Liquid measure increase, not only improves cast molding, is also advantageous to holding of the active material on pole plate vertical direction.
The lengthways of rod of the utility model lead accumulator grid collapses to the azimuthal tilt where lug, and their extension
Line intersects at a point, and end points to the intersection point of all lengthways of rod is straightway, and the distance of straightway is most short, the size and muscle of resistance
Bar length scale is directly proportional, and distance is most short, and internal resistance is minimum；The spacing of upper and lower frame rib and the intersection point and lower frame rib
The ratio of spacing is golden section proportion so that depth of discharge is not easy excessive in the unit interval, and service life is effectively ensured.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model lead accumulator grid.
Fig. 2 is the schematic diagram of lengthways of rod incline direction and extended line.
Fig. 3 is lug position view.
Embodiment
Embodiment 1
As shown in figure 1, a kind of lead accumulator grid, including by upper side frame rib 1, lower frame rib 2 and two vertical edges
The frame that frame rib is formed, it is crisscross in frame to form the horizontal rib 5 and lengthways of rod 6 of network structure, and be arranged on
Lug 7 on upper side frame rib 1, two vertical frame ribs are respectively vertical frame rib 3 and close pole away from lug 7
The vertical frame rib 4 of ear.
In order to strengthen the connection effect of lug 7 and upper side frame rib 1, and it is not easy because heat is led caused by battery-operated
Mutagens shape and crackle, the width of the base portion of lug 7 gradually increase.Its bottom is easy in pole plate manufacturing process and when battery is shaken
It is impaired, so, it is vertical between the horizontal rib 5 adjacent thereto of lower frame rib 2 in order to be more beneficial for effective holding of active material
It is connected to the hand tail of rib 8 and is serrated.In order to improve the active material utilization on pole plate top, the width of lengthways of rod 6 is under
Frame rib 2 to upper side frame rib 1 gradually increases, and is so advantageous to moment afflux.
The active material utilization of the vertical frame rib 4 of upper side frame rib 1 and close lug is higher, by upper side frame rib
1 and the vertical frame rib 4 close to lug 7 be designed to compared with lower frame rib 2 and another vertical frame rib 3 slightly, overstriking meeting
Reduce internal resistance, be advantageous to moment afflux.In one embodiment, upper side frame rib 1 and the vertical frame rib 4 close to lug 7
Width is 3mm, and lower frame rib 2 and another vertical width of frame rib 3 are 2mm.
Horizontal rib 5 wherein one end end is the conical section 9 of width gradual change.Cast close to the side of conical section 9 for grid
Mouthful, horizontal rib 5 is designed to conical section 9 close to the overstriking of sprue gate side, makes what is flowed into casting cycle in the unit interval
The increase of lead liquid measure, not only improves cast molding, is also advantageous to holding of the active material on pole plate vertical direction.
As shown in Fig. 2 lengthways of rod 6 collapses to the azimuthal tilt where lug 7, and their extended line intersects at a point
O, the intersection point are located at the surface of lug 7.Angle between adjacent two lengthways of rod 6 is 3 degree.The end of all lengthways of rod 6
Point is straightway to intersection point O, and the distance of straightway is most short, and the size of resistance is directly proportional to rib length scale, and distance is most short, interior
Resistance is minimum.Such as extend lengthways of rod 6 not intersecting at a bit finally, then current conduction path eventually becomes dispersity, conducting pathway
Footpath is scattered to cause conduction current value to disperse, and the electric current of dispersity is unfavorable for battery and sparked.When extend lengthways of rod 6 most
When intersecting at a point eventually, the current value of the point will be the summation of whole pole plate electric current, therefore increase instantaneous current value, improve high current
Discharge performance.
The spacing L1 of upper side frame rib 1 and lower frame rib 2, intersection point O and lower frame rib 2 spacing are L2, L1 and L2
Ratio be golden section proportion, about 0.618.During battery discharging, its discharge performance and service life are important indicator, such as
Depth of discharge is excessive in unit interval, then the life-span can shorten, and when battery release capacity be whole battery 60%~
When 65%, then charge to it to ensure service life.
As shown in figure 3, the height of lug 7 is H, the outside of lug 7 along and the distance at the midpoint of upper side frame rib 1 be L, lug 7
Intersection point with upper side frame rib 1 is using oval focuses of the 2L as major axis, 2H for short axle.All electric currents of pole plate are eventually through pole
Ear conducts, and after positive/negative plate assembling poling group, then two electric current Rendezvous Points are placed exactly in the focal point of ellipse.Battery discharging
When electric current flow to positive pole from negative pole, electric current flows to negative pole from positive pole when battery charges.When electric current Rendezvous Point is positioned at oval Jiao
At point, the electric field curve of focal point is most intensive, and the intensive local electric-field intensity of electric field curve is most strong.The electricity of an oval wherein focus
Field wire crosses ellipsoid and all reflexes to another focus, it is meant that whether charges or discharges, electric current caused by both positive and negative polarity is equal
Utilized by 100%, therefore instantaneous current value caused by the grid of elliptic focus design will significantly improve.
Embodiment 2
Grid in embodiment 1, its lengthways of rod collapses to the azimuthal tilt where lug, and their extended line intersects
In a bit, the intersection point is located at directly over lug, the spacing of upper and lower frame rib and the intersection point and the ratio of the spacing of lower frame rib
It is worth for golden section proportion, and the angle between adjacent two lengthways of rod is 3 degree (D)；Grid as a comparison, lengthways of rod
Extended line intersect at a point, intersection point is upwardly deviated from 8mm (D8) than the intersection point of the grid of embodiment 1 in vertical direction.
Above two grid is assembled into the heavy-current discharge feelings detected after 6-EVF-200 batteries at different temperatures
Condition, measured data is as shown in table 1, relative to contrast groups, the battery prepared using grid in embodiment 1, and its heavy-current discharge
Time it is longer.
Table 1
Embodiment 3
Grid in embodiment 1, its lengthways of rod collapses to the azimuthal tilt where lug, and their extended line intersects
In a bit, the intersection point is located at directly over lug, the spacing of upper and lower frame rib and the intersection point and the ratio of the spacing of lower frame rib
It is worth for golden section proportion (H)；Grid as a comparison, the extended line of lengthways of rod intersect at a point, and intersection point is than in embodiment 1
The corresponding intersection point of grid in the horizontal direction (i.e. laterally) (i.e. the vertical frame rib side nearer with lug) partially laterally
From 12mm (H12) and inside lateral deviation from 12mm (H-12), and lug position is constant.
Three kinds of grids are assembled into 6-EVF-200 batteries respectively, then detect life-span measured data at different temperatures,
As a result as shown in table 2, the battery prepared using 1 total grid of embodiment, its life-span are of a relatively high.
Table 2
Embodiment 4
Grid in embodiment 1, the height of lug are H, on the outside of lug along and the distance at upper side frame rib midpoint be L, pole
The intersection point of ear and upper side frame rib is using oval focuses (T) of the 2L as major axis, 2H for short axle；Grid as a comparison, its pole
The intersection point of ear and upper side frame rib deviates above-mentioned elliptic focus 10mm (T10), or inside lateral deviation from above-mentioned elliptic focus laterally
10mm(T-10)。
Above-mentioned three kinds of grids are assembled into 6-EVF-200 batteries respectively, then detect immediate current at different temperatures
It is worth measured data, as a result as shown in table 3, the battery prepared using grid in embodiment 1, the increase of its immediate current.
Table 3
Embodiment 5
Lengthways of rod hand tail between grid in embodiment 1, wherein lower frame rib horizontal rib adjacent thereto is connected
It is serrated (SA)；As a comparison, horizontal rib and lengthways of rod are crisscross in the prior art for use, without this zigzag
Design (SI), both are during pole plate is manufactured, and fraction defective correction data is as shown in table 4 as caused by bottom, as a result can send out
Existing, this zigzag is designed to avoid the generation of pole plate bottom fraction defective to a certain extent.
Table 4
Claims (9)
1. a kind of lead accumulator grid, including the side being made up of the vertical frame rib of upper side frame rib, lower frame rib and two
Frame, the crisscross horizontal rib and lengthways of rod for forming network structure in frame, and the pole being arranged on upper side frame rib
Ear, it is characterised in that the lengthways of rod collapses to the azimuthal tilt where lug, and their extended line intersects at a point,
The intersection point is located at directly over lug, and the spacing of upper and lower frame rib and the intersection point and the ratio of the spacing of lower frame rib are Huang
The golden ration of division.
2. lead accumulator grid as claimed in claim 1, it is characterised in that the angle between adjacent two lengthways of rod is 3
Degree.
3. lead accumulator grid as claimed in claim 1, it is characterised in that the height of the lug is H, on the outside of lug along with
The distance at upper side frame rib midpoint is L, and the intersection point of the lug and upper side frame rib is using ellipses of the 2L as major axis, 2H for short axle
Focus.
4. lead accumulator grid as claimed in claim 1, it is characterised in that the width of the lug base portion gradually increases.
5. lead accumulator grid as claimed in claim 1, it is characterised in that the lower frame rib horizontal rib adjacent thereto
Between lengthways of rod hand tail be connected be serrated.
6. lead accumulator grid as claimed in claim 1, it is characterised in that the width of the lengthways of rod is from lower frame rib
Gradually increase to upper side frame rib.
7. lead accumulator grid as claimed in claim 1, it is characterised in that the upper side frame rib and vertical close to lug
Frame rib is thick compared with lower frame rib and another vertical frame rib.
8. lead accumulator grid as claimed in claim 7, it is characterised in that the upper side frame rib and vertical close to lug
Frame rib width is 3mm, and lower frame rib and another vertical frame rib width are 2mm.
9. lead accumulator grid as claimed in claim 1, it is characterised in that the horizontal rib wherein one end end is width
The conical section of gradual change.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395586.5U CN206961945U (en) | 2017-04-14 | 2017-04-14 | A kind of lead accumulator grid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720395586.5U CN206961945U (en) | 2017-04-14 | 2017-04-14 | A kind of lead accumulator grid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206961945U true CN206961945U (en) | 2018-02-02 |
Family
ID=61373743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720395586.5U Withdrawn - After Issue CN206961945U (en) | 2017-04-14 | 2017-04-14 | A kind of lead accumulator grid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206961945U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086307A (en) * | 2017-04-14 | 2017-08-22 | 天能电池集团有限公司 | A lead storage battery grid |
-
2017
- 2017-04-14 CN CN201720395586.5U patent/CN206961945U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107086307A (en) * | 2017-04-14 | 2017-08-22 | 天能电池集团有限公司 | A lead storage battery grid |
| CN107086307B (en) * | 2017-04-14 | 2023-06-16 | 天能电池集团股份有限公司 | A lead storage battery grid |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203312411U (en) | Positive grid of lead-acid storage battery | |
| CN107086307B (en) | A lead storage battery grid | |
| CN206961945U (en) | A kind of lead accumulator grid | |
| CN218039711U (en) | Lithium ion battery and vehicle including same | |
| CN201946668U (en) | Lead-acid battery | |
| CN104078638B (en) | Lead accumulator | |
| CN204118192U (en) | Double-pole lug secondary battery | |
| CN109148970B (en) | Flooded lead storage battery with liquid self-circulation device | |
| CN215911443U (en) | Lead-acid storage battery grid structure | |
| CN207459067U (en) | A kind of new automotive battery grid | |
| CN208570773U (en) | A kind of lead storage battery grid | |
| CN206194861U (en) | Novel draw tubular grid for lead acid battery | |
| CN205246596U (en) | Lead powder electricity chemical property test system based on little polar plate | |
| CN203607486U (en) | Storage battery grid | |
| CN209139799U (en) | A kind of battery grid cast panel device | |
| CN208570771U (en) | A kind of grid structure of lead-acid accumulator | |
| CN202352758U (en) | One-piece polarity column for storage battery | |
| CN205723831U (en) | Exempt from welded formula storage battery bridging pole | |
| CN208489286U (en) | A kind of lead-acid battery negative pole plate grid | |
| CN208489285U (en) | A kind of battery positive voltage grid | |
| CN206864545U (en) | A kind of rib is the process for positive slab lattice of lead-acid accumulator of sinusoidal structured | |
| CN205869437U (en) | 20Ah lead acid battery cast joint mould | |
| CN107732159B (en) | Tubular positive plate and preparation method thereof | |
| CN216288862U (en) | Pole structure, cap assembly and battery | |
| CN213692278U (en) | Lead-acid storage battery pole group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 313100 Coal Mountain Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee after: TIANNENG BATTERY GROUP Co.,Ltd. Address before: 313100 Coal Mountain Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee before: TIANNENG BATTERY GROUP Co.,Ltd. |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180202 Effective date of abandoning: 20230616 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180202 Effective date of abandoning: 20230616 |