CN203288687U - High-capacity battery, and electrode plate and conductive substrate thereof - Google Patents
High-capacity battery, and electrode plate and conductive substrate thereof Download PDFInfo
- Publication number
- CN203288687U CN203288687U CN2013203082324U CN201320308232U CN203288687U CN 203288687 U CN203288687 U CN 203288687U CN 2013203082324 U CN2013203082324 U CN 2013203082324U CN 201320308232 U CN201320308232 U CN 201320308232U CN 203288687 U CN203288687 U CN 203288687U
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- active material
- metal band
- filling
- conducting base
- base
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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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- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model discloses a conductive substrate used for manufacturing an electrode plate of high-capacity battery. The conductive substrate comprises a main metal band and auxiliary metal bands, wherein the main metal band is provided with a plurality of holes for filling active substances; and the auxiliary metal bands are arranged in one-to-one correspondence to the holes for filling the active substances and partially cover the holes for filling the active substances. The main metal band is provided with a plurality of holes for filling the active substances, so that the filling amount of the active substances are greatly increased; and the arrangement of the auxiliary metal bands can not only enlarge adhesive force of the active substances but also increase tensile strength of the main metal band, thereby improving the performance of a product in many aspects. The utility model also provides an electrode plate and a high-capacity battery.
Description
Technical field
The utility model relates to battery, relates in particular to high-capacity battery and electrode slice and the conducting base of the large and easy material loading of a kind of loading.
Background technology
In recent years, raising along with people's living standard, the consuming devices such as communication and digital product, electric tool, instrument and meter, electronic toy are more and more, the battery types that is used in combination with it also increases rapidly thereupon, at present, battery is extensively and profoundly in the various aspects of people's daily life, and along with the rapid expansion of Battery Market, people are also more and more higher to the requirement of its capacity and performance.
Battery is comprised of electrode slice, electrolyte, barrier film, shell.Wherein the core substance electrode slice is comprised of active material and conducting base, and conducting base plays a part conduction current, is uniformly distributed electrode surface electric current current potential, support and maintenance active material.
Under the prerequisite of the intrinsic constancy of volume of box hat, gram volume and the volume effective rate of utilization that improves active material mainly studied by each battery manufacturers and scientific research institution, to increase battery capacity.
, to the selection of electrode slice conducting base, affected to a great extent the performance of battery.As shown in Figure 1, the conducting base 1 that uses at present, the aperture of its perforate 2 is less, though easy material loading, loading is little, the space effective rate of utilization of battery is low, and energy density is difficult to do height, wants in the case to promote energy content of battery density, and difficulty is larger.
There is research to increase the punching hole diameter of conducting base, increase percent opening.But active material is filled difficulty, and matrix is little to the adhesive force of slurry, occurs that slurry can't starching, perhaps small opening after starching.After the pole piece pair roller, active material peels off from hole phenomenon perhaps appears after coiling.
Summary of the invention
The utility model is the defect that overcomes prior art, the conducting base that a kind of activity substance filling amount is larger, adhesive force is stronger and tensile strength is large is provided and uses electrode slice and the high-capacity battery of this conducting base.
A kind of conducting base, electrode slice for the manufacture of high-capacity battery, described conducting base comprises base metal band and assistant metal band, described base metal band is provided with a plurality of holes for filling active material, and described assistant metal band and described hole for filling active material be the corresponding also described hole for the filling active material of partial coverage that arranges one by one.
, according to embodiment of the present utility model, also can adopt following preferred technical scheme:
The aperture in described hole for filling active material is 〉=2mm.
The width of described assistant metal band is less than the diameter in described hole for filling active material, and along the diameter setting in described hole for filling active material.
The horizontal angle of described diameter and described base metal band is 0～90 degree.
The horizontal angle of described diameter and described base metal band is 45 degree.
The width of described assistant metal band be described hole for filling active material aperture 5%～10%.
Described hole for filling active material is punching.
Described base metal band and assistant metal band all adopt the nickel-plated metal band.
A kind of electrode slice, be used for high-capacity battery, and it comprises conducting base and active material, described conducting base as front arbitrary as described in, described active material is coated on the surface of described conducting base and is filled in described hole for filling active material.
A kind of high-capacity battery, comprise electrode slice, and described electrode slice as previously mentioned.
The beneficial effects of the utility model are: because the base metal band is provided with a plurality of holes for filling active material, therefore the loading of active material increases greatly, again because of the setting of assistant metal band, can strengthen the adhesive force of active material on the one hand, can increase again on the other hand the tensile strength of described base metal band, thus many-sided performance of the product that promotes.
In a preferred technical scheme, the aperture in described hole for filling active material is 〉=large aperture of 2mm,, much larger than the aperture of prior art,, therefore can more fill active material, provide as far as possible the utilance in space in battery.
The width of described assistant metal band be described hole for filling active material aperture 5%～10%, both can avoid preferably spillage, peel off, can suitably strengthen the tensile strength of conducting base in the situation that do not roll up material again.
Adopt punching, working (machining) efficiency is high, and cost is low.
Description of drawings
Fig. 1 is the conducting base structural representation of prior art.
Fig. 2 is the conducting base structural representation of an embodiment of the utility model.
Fig. 3 is the conducting base mesopore of Fig. 2 embodiment and the structure enlarged diagram of assistant metal band thereof.
Embodiment
Below preferred embodiment the utility model is described in further detail for contrast accompanying drawing and combination.
A kind of conducting base, electrode slice for the manufacture of high-capacity battery, as shown in Figure 2 and Figure 3, described conducting base comprises base metal band 1 and assistant metal band 2, described base metal band 1 is provided with a plurality of holes 11 for filling active material, and described assistant metal band 2 and described hole 11 for filling active material be the corresponding also described hole 11 for the filling active material of partial coverage that arranges one by one.
In Fig. 3, dotted line L1 is the horizontal of base metal band, and dotted line L2 is a diameter in described hole 11 for filling active material, and the angle α between L1 and L2 is 45 degree.It will be understood by those skilled in the art that this angle α is not limited to miter angle, can select between 0～90 degree; And described assistant metal band 2 must not arrange along described dotted line L2, has certain departing from yet to accept.
Wherein, described hole for filling active material is punching, and described base metal band and assistant metal band all adopt nickel-plated metal band (can be steel band, nickel strap, copper strips etc.).The aperture in described hole for filling active material generally can be according to the actual conditions choice for use in the scope of 〉=2mm, and the width of described assistant metal band is less than the diameter in described hole for filling active material, and along the diameter setting in described hole for filling active material.Such set-up mode can make described assistant metal band placed in the middle on described hole for filling active material, does not need too widely just can prevent preferably that its both sides uncovering position spillage (while filling active material) or active material from peeling off (while rolling up core).In principle, described assistant metal band (diameter) all can at 0～90 degree with the horizontal angle of described base metal band.In addition, the width of described assistant metal band be described hole for filling active material aperture 5%～10%.
Below take the negative plate of ni-mh AA2500 as example, thickness of strips used is 0.245mm, the structure of contrast prior art and the technique effect of two embodiments of the utility model are as follows:
As known from the above, under the identical condition of bulk density, execution mode one increases 0.28g than the amount of the active material of prior art, and execution mode two increases 0.45g than the amount of the active material of prior art.That is to say, nickel-plated metal band conducting base of the present utility model conducting base compared to existing technology can increase the active material of filling more than 2.7%.
The utility model is provided with the described base metal band 1 in a plurality of holes 11 for filling active material and specifically can processes in the following way: design a kind of special-purpose punch die (shape and size can design as required), use this special use punch die to conventional nickel-plated metal ribbon matrix (atresia) punching.
Above conducting base is used for making electrode slice, be used for high-capacity battery, active material in battery is coated on the surface of described conducting base and is filled in described hole for filling active material, thereby can obtain more jumbo battery, and the electrode slice intensity of this battery is high, instant rolled around, and can avoid as far as possible spillage when filling active material and while reeling active material peel off, production cost is low and met preferably the requirement of people to its capacity and performance.
Above content is in conjunction with concrete preferred implementation 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 ordinary skill in the field; without departing from the concept of the premise utility; can also make some being equal to substitutes or obvious modification, and performance or purposes identical, all should be considered as belonging to protection range of the present utility model.
Claims (10)
1. conducting base, electrode slice for the manufacture of high-capacity battery, it is characterized in that: described conducting base comprises base metal band and assistant metal band, described base metal band is provided with a plurality of holes for filling active material, and described assistant metal band and described hole for filling active material be the corresponding also described hole for the filling active material of partial coverage that arranges one by one.
2. conducting base as claimed in claim 1 is characterized in that: the aperture in described hole for filling active material is 〉=2mm.
3. conducting base as claimed in claim 1 is characterized in that: the width of described assistant metal band is less than the diameter in described hole for filling active material, and along the diameter setting in described hole for filling active material.
4. conducting base as claimed in claim 3 is characterized in that: the horizontal angle of described diameter and described base metal band is 0～90 degree.
5. conducting base as claimed in claim 4 is characterized in that: the horizontal angle of described diameter and described base metal band is 45 degree.
6. conducting base as claimed in claim 2 is characterized in that: the width of described assistant metal band be described hole for filling active material aperture 5%～10%.
7. conducting base as claimed in claim 1 is characterized in that: described hole for filling active material is punching.
8. conducting base as claimed in claim 7, it is characterized in that: described base metal band and assistant metal band all adopt the nickel-plated metal band.
9. electrode slice, be used for high-capacity battery, it is characterized in that: comprise conducting base and active material, described conducting base is as described in arbitrary in claim 1-8, and described active material is coated on the surface of described conducting base and is filled in described hole for filling active material.
10. a high-capacity battery, comprise electrode slice, it is characterized in that: described electrode slice as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203082324U CN203288687U (en) | 2013-05-30 | 2013-05-30 | High-capacity battery, and electrode plate and conductive substrate thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203082324U CN203288687U (en) | 2013-05-30 | 2013-05-30 | High-capacity battery, and electrode plate and conductive substrate thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203288687U true CN203288687U (en) | 2013-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203082324U Expired - Lifetime CN203288687U (en) | 2013-05-30 | 2013-05-30 | High-capacity battery, and electrode plate and conductive substrate thereof |
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| CN (1) | CN203288687U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915600A (en) * | 2013-12-20 | 2014-07-09 | 深圳市量能科技有限公司 | Manufacturing method for electrode slice |
| CN107437612A (en) * | 2016-05-28 | 2017-12-05 | 深圳市量能科技有限公司 | Battery electrode piece and battery |
-
2013
- 2013-05-30 CN CN2013203082324U patent/CN203288687U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103915600A (en) * | 2013-12-20 | 2014-07-09 | 深圳市量能科技有限公司 | Manufacturing method for electrode slice |
| CN103915600B (en) * | 2013-12-20 | 2016-08-17 | 深圳市量能科技有限公司 | The manufacture method of electrode slice |
| CN107437612A (en) * | 2016-05-28 | 2017-12-05 | 深圳市量能科技有限公司 | Battery electrode piece and battery |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131113 |
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| CX01 | Expiry of patent term |