CN202178343U - Unpaired weldment plumbic acid battery pack - Google Patents
Unpaired weldment plumbic acid battery pack Download PDFInfo
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- CN202178343U CN202178343U CN2011202815850U CN201120281585U CN202178343U CN 202178343 U CN202178343 U CN 202178343U CN 2011202815850 U CN2011202815850 U CN 2011202815850U CN 201120281585 U CN201120281585 U CN 201120281585U CN 202178343 U CN202178343 U CN 202178343U
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- 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
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- 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
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Abstract
The utility model provides an unpaired weldment plumbic acid battery pack which comprises at least two single batteries. Each single battery comprises a plurality of positive plates and a plurality of negative plates arranged alternately; the plurality of positive plates form a positive pole group, and the plurality of negative plates form a negative pole group; the positive pole group of one single battery and the negative pole group of the adjacent single battery are connected through a combined bus bar or/and through a lengthened bus bar; and the rest positive pole group and the rest negative pole group are connected through a conventional bus bar. In the unpaired weldment plumbic acid battery pack provided by the utility model, paired weldment connection means adopted among single batteries in the pack is cancelled, instead, the integrally formed combined bus bar or lengthened bus bar is adopted for connection, so that not only the polar plates in the pack can be connected in parallel, but also the pole groups in the single batteries in the battery pack can be connected in series owning to the bus bar. In addition, space waste in battery design is avoided, the energy intensiveness and the volume density of the battery are improved, and the production cost of the battery is improved.
Description
Technical field
The utility model belongs to the chemical cell production technical field, more particularly, relates to a kind of improvement structure of lead-acid battery group.
Background technology
At present, the design of existing lead accumulator exists some intrinsic drawbacks.See also Fig. 1 to Fig. 3, for example in conventional batteries design, the inner pole plate of utmost point group interconnects and relies on bus-bar 11 ' completions, and interconnecting between battery pack internal poles group and the utmost point group need dependence to weldment 12 ' completion; Simultaneously again because to weldment 12 ' be present on the bus-bar; So the top of battery middle cover must leave quite high a part of space hold to weldment 12 '; This space utilization to battery is a waste greatly; This also is to cause existing, a key factor that bulk density little little to weldment lead acid accumulator energy density, also has the production technology also inherent defect and the technological difficulties of relative complex simultaneously, to such an extent as to production cost is high.Lead-acid battery develops so far, and each company of various countries is devoted to improve the volume and the energy density of lead-acid battery always, makes lead-acid battery high energy, lower pollution more.
The utility model content
The utility model technical problem to be solved is to provide a kind of unmatchful weldment lead-acid battery group; Be intended to make bus-bar can realize the parallel connection of utmost point group internal polar plate; Also can realize connecting between the utmost point group and utmost point group between the batteries monomer battery; Avoid the space waste in the battery design, improve the energy density and the bulk density of battery, fall its low production cost.
For solving the problems of the technologies described above; The technical scheme of the employing of the utility model is: a kind of unmatchful weldment lead-acid battery group is provided; Comprise at least two cells, each said cell comprises a plurality of positive plates and a plurality of negative plate that establish mutually at a plurality of intervals, is folded with a dividing plate between adjacent two positive plates and negative plate; Said a plurality of positive plate forms an anodal group, and said a plurality of negative plates form a negative pole group;
Comprise that also two conventional bus-bars are connected bus-bar with at least one; The positive pole group of one said cell is connected bus-bar with the negative pole group of adjacent said cell through one and is connected in series, a plurality of positive plates in the remaining one said anodal group and a plurality of negative plates in the said negative pole group respectively through one be provided with pole said conventional bus-bar be connected in parallel.
Further, said connection bus-bar is at least one combination bus-bar, and said combination bus-bar is connected and one-body molded formation through a middle bus-bar by two said conventional bus-bars.
Perhaps, further, said connection bus-bar is at least one lengthening bus-bar, and said lengthening bus-bar is " one " font and is formed in one.
Perhaps; Further; Said connection bus-bar is at least one combination bus-bar and at least one lengthening bus-bar, and said combination bus-bar is connected and one-body molded formation through a middle bus-bar by two said conventional bus-bars, and said lengthening bus-bar is " one " font and is formed in one.
Further, said combination bus-bar is linked to each other in the middle part of two said conventional bus-bars by bus-bar in the middle of said and forms " H " shape structure.
Further, the upper surface of the said combination bus-bar of bus-bar and the coupled said formation of two said conventional bus-bars is concordant in the middle of said.
Compare through the lead-acid battery that weldment is connected with existing; The unmatchful weldment lead-acid battery that the utility model provides has been cancelled between the interior cell of traditional battery pack through weldment is carried out ways of connecting; But employing integrates the structural design that the bus-bar of the function of connecting between parallel connection, utmost point group in the utmost point group connects, and has produced following beneficial effect:
(1) this unmatchful weldment lead-acid battery group need not be to the weldment spacing at the top of battery middle cover; So utilized the space of battery case better; Thereby can do the volume of battery pack littler, improve the battery specific energy, make that battery capacity is higher, the monomer cost is lower, energy consumption is also lower; With the 12V14AH battery of electric bicycle is example, empirical tests, and capacity is increased to 15.2AH by the highest 13.9AH, and improving ratio is 9.4%;
(2) cancelled butt welding or the through-wall welding technology in the conventional production process in the manufacturing process of this unmatchful weldment lead-acid battery group, made production operation more simple efficient, probability of errors reduces in the production, is beneficial to the saving of production cost; With the production of 12V14AH battery of electric bicycle is example, empirical tests, and the semi-finished product direct labor reduces to 20 people by 24 people, and reducing artificial ratio is 16.6%;
(3) structure of this unmatchful weldment lead-acid battery group makes lead acid accumulator production enterprise need not to drop into butt welding or through-wall welding equipment and frock again, effectively reduces the financial pressure and the risk of enterprise operation;
(4) structure of this unmatchful weldment lead-acid battery group is more reasonable, and incorporate bus-bar has better connection performance, makes the internal resistance of cell lower, and the ability of loaded current is stronger; Cancelled weldment, saved plumbous consumption, lower Material Cost, environmental protection more.
Description of drawings
Fig. 1 is the perspective view that existing employing is arranged lead-acid battery group 1 * 3 combo of weldment connection;
Fig. 2 is the perspective view that existing employing is arranged lead-acid battery group 2 * 2 combos of weldment connection;
The internal structure sketch map of cell in the unmatchful weldment lead-acid battery group that Fig. 3 provides for the utility model embodiment;
The perspective view that the unmatchful weldment lead-acid battery of 4V group 1 * 2 combo that Fig. 4 provides for the utility model embodiment one is arranged;
The perspective view that the unmatchful weldment lead-acid battery of 6V group 1 * 3 combo that Fig. 5 provides for the utility model embodiment one is arranged;
The perspective view that the unmatchful weldment lead-acid battery of 8V group 1 * 4 combo that Fig. 6 provides for the utility model embodiment one is arranged;
The perspective view that the unmatchful weldment lead-acid battery of 4V group 2 * 1 combos that Fig. 7 provides for the utility model embodiment two are arranged;
The perspective view that the unmatchful weldment lead-acid battery of 6V group 3 * 1 combos that Fig. 8 provides for the utility model embodiment two are arranged;
The perspective view that the unmatchful weldment lead-acid battery of 8V group 4 * 1 combos that Fig. 9 provides for the utility model embodiment two are arranged;
The perspective view that the unmatchful weldment lead-acid battery of 8V group 2 * 2 combos that Figure 10 provides for the utility model embodiment three are arranged;
The perspective view that the unmatchful weldment lead-acid battery of 12V group 2 * 3 combos that Figure 11 provides for the utility model embodiment three are arranged;
The perspective view that the unmatchful weldment lead-acid battery of 12V group 3 * 2 combos that Figure 12 provides for the utility model embodiment three are arranged;
The perspective view that the unmatchful weldment lead-acid battery of 16V group 2 * 4 combos that Figure 13 provides for the utility model embodiment three are arranged;
The perspective view that the unmatchful weldment lead-acid battery of 18V group 3 * 3 combos that Figure 14 provides for the utility model embodiment three are arranged.
Embodiment
In order to make the utility model technical problem to be solved, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Please in the lump referring to Fig. 3 to Figure 14, the existing unmatchful weldment lead-acid battery that the utility model is provided describes.Said unmatchful weldment lead-acid battery group comprises at least two cells 1, and its output voltage is designed to 2V; Each said cell 1 comprises a plurality of positive plates of establishing mutually at a plurality of intervals 100 and a plurality of negative plates 200; Adjacent two positive plates 100 and 200 of negative plates are folded with a dividing plate 300, and certainly, setting also can be exchanged in the position of positive plate 100 and negative plate 200; Said a plurality of positive plate 100 forms an anodal group, and said a plurality of negative plates 200 form a negative pole group; Comprise that also two conventional bus-bars 11 are connected bus-bar 2 with at least one; The positive pole group of one said cell 1 is connected bus-bar 2 with the negative pole group of adjacent said cell 1 through one and is connected in series, and a plurality of positive plates 100 in the remaining one said anodal group and a plurality of negative plates 200 in the said negative pole group are connected in parallel through a said conventional bus-bar 11 respectively; On each positive plate 100 with each negative plate 200 on it one respectively be provided with a lug 101, each bus-bar through these lugs 101 with anodal 100 perhaps negative plate 200 plates be connected; On two conventional bus-bars 11, be respectively equipped with first pole 110 and second pole 120; How to be positive terminal, how to be negative terminal as for first pole 110 and second pole 120; This will decide according to concrete design conditions: when first pole 110 is connected in the 11 last times of conventional bus-bar that link to each other with positive plate; Then first pole 110 is a positive terminal, and 120 of second poles are negative terminal; Otherwise when first pole 110 is connected in the 11 last times of conventional bus-bar that link to each other with negative plate, then first pole 110 is that negative terminal, second pole 120 just are positive terminal.
The unmatchful weldment lead-acid battery group that the utility model provides has been cancelled in traditional battery pack between cell through weldment is carried out ways of connecting, but the structural design that adopts the bus-bar that integrates the function of connecting between parallel connection, utmost point group in the utmost point group to connect; So need be for to the weldment spacing at the top of battery middle cover; Thereby utilized the space of battery case better, can do the volume of battery pack littler, improved the battery specific energy; Make that battery capacity is higher, the monomer cost is lower, energy consumption is also lower; With the 12V14AH battery of electric bicycle is example, and capacity is increased to 15.2AH by the highest 13.9AH, and improving ratio is 9.4%; Secondly, owing to do not adopt weldment, so cancelled butt welding or the through-wall welding technology in the conventional production process in the manufacturing process of this battery pack; Make production operation more simple efficient; Probability of errors reduces in the production, is beneficial to the saving of production cost, is example with the production of 12V14AH battery of electric bicycle; The semi-finished product direct labor reduces to 20 people by 24 people, and reducing artificial ratio is 16.6%; Simultaneously, make lead acid accumulator production enterprise need not to drop into again butt welding or through-wall welding equipment and frock, effectively reduce the financial pressure and the risk of enterprise operation; Moreover the structure of this unmatchful weldment lead-acid battery group is more reasonable, and integrated bus-bar has better connection performance, makes the internal resistance of cell lower, and the ability of loaded current is stronger; In addition, cancelled, saved plumbous consumption, lower Material Cost, environmental protection more weldment.
Embodiment one
Link to each other before and after among this embodiment plural cell 1 combo being formed a line; See also Fig. 4 to Fig. 6; Be respectively the 1 single-row arrangement of 2,3,4 cells and connect the structural representation that the lead-acid battery group of 4V, 6V, 8V is formed in the back; Said connection confluxes 2 at least one combination bus-bar 121, and said combination bus-bar 121 is connected and one-body molded formation through bus-bar 12 in the middle of by two said conventional bus-bars 11.In the present embodiment; The material of middle bus-bar 12 is identical with the material and the structure of conventional bus-bar 11 with structure, between two conventional bus-bars 11, plays interconnect function, and incorporate combination bus-bar 121 has better connection performance; Make the internal resistance of cell lower, the ability of loaded current is stronger; Simultaneously, the maximum benefit of the mode of this single-row arrangement of present embodiment is can be so that the width of whole Battery pack be the width of cell 1 itself, has among the use of requirement to be applicable to some width to battery pack; Certainly, this arrangement mode is not limited to the assembled arrangement of 2,3,4 cells 1, can connect through 121 pairs of a plurality of cells 1 of combination bus-bar according to this connected mode according to actual needs; If but cell quantity is too much; Will increase the longitudinal size of battery pack, be unfavorable for the management of battery pack, in general; In actual production and the use, this arrangement connected mode is applicable to that the combo arrangement of the battery pack that output voltage is not high connects.
Embodiment two
Link to each other shoulder to shoulder about among this embodiment plural cell 1 combo being arranged in a row; See also Fig. 7 to Fig. 9; Be respectively 2,3,4 cells, 1 single the arrangement shoulder to shoulder and connect the structural representation that the lead-acid battery group of 4V, 6V, 8V is formed in the back; Said connection bus-bar 2 is at least one lengthening bus-bar 111; Said lengthening bus-bar 111 is for " one " font and be formed in one, and the structure of this lengthening bus-bar 111 is identical with conventional bus-bar 11, is equivalent to two conventional bus-bar 11 end to end and one-body molded formation.The mode benefit of this single arrangement of present embodiment is can be so that the thickness of whole Battery pack be the thickness of cell 1 itself; To be applicable to that some thickness to battery pack has among the use of requirement; Simultaneously in this connected mode; The structure of lengthening bus-bar 111 is identical with conventional bus-bar 11, and the methods that adopt when it connects are the same with the welding method of traditional conventional bus-bar 11; Certainly, this arrangement mode is not limited to the assembled arrangement of 2,3,4 cells 1, can connect through 121 pairs of a plurality of cells 1 of combination bus-bar according to this connected mode according to actual needs; If but cell quantity is too much; Will increase the lateral dimension of battery pack, be unfavorable for the management of battery pack, in general; Actual production with use, this arrangement connected mode also is that the combo of the battery pack that is applicable to that output voltage is not high is arranged and connected.
Embodiment three
Among this embodiment with link to each other shoulder to shoulder about not only after 1 combo of the cell more than four but also before and after arrange and link to each other; See also Figure 10 to Figure 14; Be respectively the 1 compound arrangement of 4,6,8,9 cells and connect the structural representation that the lead-acid battery group of 8V, 12V, 16V, 18V is formed in the back; Said connection bus-bar 2 is at least one combination bus-bar 121 and at least one lengthening bus-bar 111; Said combination bus-bar 121 is connected and one-body molded formation through a middle bus-bar 12 by two said conventional bus-bars 11; Said lengthening bus-bar 111 is " one " font and is formed in one that the structure of this lengthening bus-bar 111 is identical with conventional bus-bar, is equivalent to two said conventional bus-bar 11 end to end and one-body molded formation.Arrangement connected mode between the present embodiment kind cell 1 be embodiment one with embodiment two in two kinds of different arrangement connected modes comprehensive; Be applicable to being connected of four above cells 1; To improve the adaptability on battery capacity and output voltage and the size, satisfy the use needs of different situations.
Further, ask Fig. 4 to Fig. 6, the arbitrary diagram of Figure 10 to Figure 14, among the foregoing description one and the embodiment two, said combination bus-bar 121 is linked to each other in the middle part of two said conventional bus-bars 11 by bus-bar 12 in the middle of said and forms " H " shape structure.In the middle of middle bus-bar 12 is positioned at, make combination bus-bar 121 receive the comparatively equilibrium of active force of adjacent two cells 1, make its not easy fracture.
Further, a kind of optimization of the unmatchful weldment lead-acid battery group that provides as the utility model, said in the middle of the upper surface of said combination bus-bar 121 of bus-bar 12 and coupled two said conventional bus-bar 11 said formation concordant.The upper surface of bus-bar 12 both had been not less than the upper surface of the conventional bus-bar 11 that does not also exceed both sides like this, then both can guarantee to make up the intensity of bus-bar 121, and the energy density and the bulk density of battery are improved in the space in the maximizing conserve batteries groove again.
The syndeton that this unmatchful weldment lead-acid battery group is adopted is not limited in the battery pack structure of 4V, 6V, 8V, 12V, 16V, 18V, but is applicable to all the lead-acid batteries structures except that the 2V battery.
The above is merely the preferred embodiment of the utility model; Not in order to restriction the utility model; Any modification of being done within all spirit and principles at the utility model, be equal to replacement and improvement etc., all should be included within the protection range of the utility model.
Claims (6)
1. unmatchful weldment lead-acid battery group; Comprise at least two cells; Each said cell comprises a plurality of positive plates and a plurality of negative plate that establish mutually at a plurality of intervals; Be folded with a dividing plate between adjacent two positive plates and negative plate, said a plurality of positive plates form an anodal group, and said a plurality of negative plates form a negative pole group; It is characterized in that:
Comprise that also two conventional bus-bars are connected bus-bar with at least one; The positive pole group of one said cell is connected bus-bar with the negative pole group of adjacent said cell through one and is connected in series, a plurality of positive plates in the remaining one said anodal group and a plurality of negative plates in the said negative pole group respectively through one be provided with pole said conventional bus-bar be connected in parallel.
2. unmatchful weldment lead-acid battery group according to claim 1 is characterized in that: said connection bus-bar is at least one combination bus-bar, and said combination bus-bar is connected and one-body molded formation through a middle bus-bar by two said conventional bus-bars.
3. unmatchful weldment lead-acid battery group according to claim 1 is characterized in that: said connection bus-bar is at least one lengthening bus-bar, and said lengthening bus-bar is " one " font and is formed in one.
4. unmatchful weldment lead-acid battery group according to claim 1; It is characterized in that: said connection bus-bar is at least one combination bus-bar and at least one lengthening bus-bar; Said combination bus-bar is connected and one-body molded formation through a middle bus-bar by two said conventional bus-bars, and said lengthening bus-bar is " one " font and is formed in one.
5. according to claim 2 or 4 described unmatchful weldment lead-acid battery groups, it is characterized in that: said combination bus-bar is linked to each other in the middle part of two said conventional bus-bars by bus-bar in the middle of said and forms " H " shape structure.
6. unmatchful weldment lead-acid battery group according to claim 5 is characterized in that: the upper surface of the said combination bus-bar of bus-bar and the coupled said formation of two said conventional bus-bars is concordant in the middle of said.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202815850U CN202178343U (en) | 2011-08-04 | 2011-08-04 | Unpaired weldment plumbic acid battery pack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202815850U CN202178343U (en) | 2011-08-04 | 2011-08-04 | Unpaired weldment plumbic acid battery pack |
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| CN202178343U true CN202178343U (en) | 2012-03-28 |
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| CN2011202815850U Expired - Lifetime CN202178343U (en) | 2011-08-04 | 2011-08-04 | Unpaired weldment plumbic acid battery pack |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916153A (en) * | 2011-08-04 | 2013-02-06 | 深圳市雄韬电源科技股份有限公司 | Unpaired weldment lead-acid battery pack |
| CN103779530A (en) * | 2012-10-25 | 2014-05-07 | 天能电池(芜湖)有限公司 | Gap bridge welding-free battery structure for electric vehicle |
| CN104064821A (en) * | 2013-08-16 | 2014-09-24 | 超威电源有限公司 | Manufacturing method for storage battery and electric vehicle |
| CN104078640A (en) * | 2014-07-15 | 2014-10-01 | 江苏国泰之光新能源科技有限公司 | Processing technology of power battery post body |
| CN104091913A (en) * | 2014-07-15 | 2014-10-08 | 江苏国泰之光新能源科技有限公司 | Processing process of pole column body of power battery and pole column body of power battery |
| CN105006600A (en) * | 2015-07-15 | 2015-10-28 | 中国科学院嘉兴轻合金技术工程中心 | Magnesium alloy storage battery |
| CN111755640A (en) * | 2020-05-21 | 2020-10-09 | 深圳市炜烨丰电子科技有限公司 | Battery pack and method for manufacturing battery pack |
-
2011
- 2011-08-04 CN CN2011202815850U patent/CN202178343U/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102916153A (en) * | 2011-08-04 | 2013-02-06 | 深圳市雄韬电源科技股份有限公司 | Unpaired weldment lead-acid battery pack |
| CN102916153B (en) * | 2011-08-04 | 2015-06-10 | 深圳市雄韬电源科技股份有限公司 | Unpaired weldment lead-acid battery pack |
| CN103779530A (en) * | 2012-10-25 | 2014-05-07 | 天能电池(芜湖)有限公司 | Gap bridge welding-free battery structure for electric vehicle |
| CN103779530B (en) * | 2012-10-25 | 2017-02-15 | 天能电池(芜湖)有限公司 | Gap bridge welding-free battery structure for electric vehicle |
| CN104064821A (en) * | 2013-08-16 | 2014-09-24 | 超威电源有限公司 | Manufacturing method for storage battery and electric vehicle |
| CN104064718A (en) * | 2013-08-16 | 2014-09-24 | 超威电源有限公司 | Lead-acid storage battery and electric vehicle applying same |
| CN104064821B (en) * | 2013-08-16 | 2016-06-29 | 超威电源有限公司 | The manufacture method of accumulator and electric motor car |
| CN104064718B (en) * | 2013-08-16 | 2017-01-04 | 超威电源有限公司 | A kind of lead-acid accumulator and apply the electric motor car of this accumulator |
| CN104078640A (en) * | 2014-07-15 | 2014-10-01 | 江苏国泰之光新能源科技有限公司 | Processing technology of power battery post body |
| CN104091913A (en) * | 2014-07-15 | 2014-10-08 | 江苏国泰之光新能源科技有限公司 | Processing process of pole column body of power battery and pole column body of power battery |
| CN105006600A (en) * | 2015-07-15 | 2015-10-28 | 中国科学院嘉兴轻合金技术工程中心 | Magnesium alloy storage battery |
| CN111755640A (en) * | 2020-05-21 | 2020-10-09 | 深圳市炜烨丰电子科技有限公司 | Battery pack and method for manufacturing battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hubei xiongtao Power Technology Co., Ltd. Assignor: Shenzhen Center Power Tech Co., Ltd. Contract record no.: 2013440020231 Denomination of utility model: Unpaired weldment lead-acid battery pack Granted publication date: 20120328 License type: Exclusive License Record date: 20130730 |
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| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120328 |