CN105679550A - Novel high-rate supercapacitor electrode plate and supercapacitor - Google Patents
Novel high-rate supercapacitor electrode plate and supercapacitor Download PDFInfo
- Publication number
- CN105679550A CN105679550A CN201610129189.3A CN201610129189A CN105679550A CN 105679550 A CN105679550 A CN 105679550A CN 201610129189 A CN201610129189 A CN 201610129189A CN 105679550 A CN105679550 A CN 105679550A
- Authority
- CN
- China
- Prior art keywords
- carbon layer
- groove portion
- active carbon
- novel high
- lug boss
- 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.)
- Pending
Links
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 45
- 239000003990 capacitor Substances 0.000 claims abstract description 19
- 229910052799 carbon Inorganic materials 0.000 claims description 33
- 239000008151 electrolyte solution Substances 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 239000003792 electrolyte Substances 0.000 abstract description 5
- 238000003860 storage Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 3
- 150000002500 ions Chemical class 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000007772 electrode material Substances 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical class C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 238000003079 width control Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
- H01G11/00—Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
- H01G11/22—Electrodes
- H01G11/26—Electrodes characterised by their structure, e.g. multi-layered, porosity or surface features
-
- 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
- Y02E60/13—Energy storage using capacitors
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a novel high-rate supercapacitor electrode plate and a supercapacitor, and relates to the technical field of capacitors. The novel high-rate supercapacitor electrode plate comprises a current collector and an activated carbon layer, wherein the activated carbon layer coats the upper surface of the current collector; a plurality of groove parts and bosses opposite to the groove parts are rolled on the upper surface of the activated carbon layer; the groove parts and the bosses are arranged in order, so that the whole upper surface of the activated carbon layer is in a regular grid structure; and the bottom area of the groove parts accounts for 60%-80% of the area of the upper surface of the activated carbon. An electrolyte storage channel is formed by manufacturing the regular grid structure on the surface of the activated carbon layer; sufficient supply of an electrolyte is ensured; and the novel high-rate supercapacitor electrode plate has good high-current charge and discharge capacities and high rate, and is low in manufacturing cost, simple and convenient to operate, high in use safety and suitable for mass production and application.
Description
Technical field
The present invention relates to capacitor technology field, especially a kind of novel high magnification super capacitor electrode slice and ultracapacitor.
Background technology
Ultracapacitor is the Novel energy storage apparatus of a kind of performance between traditional capacitor and battery, it has that power is big, energy density height, safety performance are good and the advantage such as long service life, in fields such as mobile electronic device, motor vehicle driven by mixed power and digital communications, there is great market prospect, thus get more and more people's extensive concerning in recent years. The type of ultracapacitor mostly is double electric layers supercapacitor on the market, and it carrys out storage power mainly through forming electrostatic double layer at electrode materials and electrolyte interface place, and namely energy is stored in the surface of electrode materials in the form of a charge. Absorbent charcoal material due to specific surface area big, the features such as price is low, are widely used in the manufacture of electrode of super capacitor.
At present, the field such as electromobile, electronics is increasing to demand that is high-power and Large Copacity power supply, and the requirement for ultracapacitor performance is also more and more higher. As the activated carbon electrodes widely used, it is subject to the restriction of its porosity, there is the problem of electrolyte ion transmission path deficiency, thus affect the high rate performance of ultracapacitor.
Summary of the invention
It is an object of the invention to as overcoming above-mentioned the deficiencies in the prior art, it is provided that a kind of novel high magnification super capacitor electrode slice and electrical condenser. The present invention forms electrolytic solution storage channel by manufacturing regular grid structure on active carbon layer surface, ensures that electrolytic solution provides sufficient, has good high current charge-discharge ability, multiplying power height. The present invention is cheap for manufacturing cost, easy and simple to handle, it may also be useful to security height, is applicable to mass production applications.
For achieving the above object, the present invention adopts following technical proposals: a kind of novel high magnification super capacitor electrode slice, it comprises collector and active carbon layer, described active carbon layer is coated on collector upper surface, described active carbon layer upper surface roll-in has multiple groove portion and the lug boss relative to groove portion, described groove portion and lug boss ordered arrangement make active carbon layer upper surface entirety present regular grid structure, and described groove portion bottom area accounts for the 60% to 80% of active carbon layer upper surface area.
Preferably, described groove portion and lug boss criss-cross arrangement, described active carbon layer upper surface entirety presents outward extending " well " font grid structure.
Preferably, described groove portion presents W type, described lug boss presents W type, multiple described groove radicals by which characters are arranged in traditional Chinese dictionaries tail is in turn connected to form groove row, multiple described lug boss head and the tail are in turn connected to form protruding row, described groove row is spaced with described projection row, and described active carbon layer upper surface entirety presents outward extending W type grid structure.
Preferably, in described groove portion, the width of recess is 1um to 100um.
Preferably, in described groove portion, the degree of depth of recess is 1um to 100um.
The invention has the beneficial effects as follows:
The present invention forms electrolytic solution storage channel by manufacturing regular grid structure on active carbon layer surface, ensures that electrolytic solution provides sufficient, has good high current charge-discharge ability, multiplying power height. The present invention is cheap for manufacturing cost, easy and simple to handle, it may also be useful to security height, is applicable to mass production applications.
Accompanying drawing explanation
Fig. 1 is one-piece construction schematic diagram of the present invention;
Fig. 2 is active carbon layer upper surface " well " font grid structure schematic diagram;
Fig. 3 is active carbon layer upper surface W type structural representation.
Embodiment
Here it should be noted that, the described noun of locality is left and right, upper and lower is all define by benchmark of the view shown in Fig. 1, it will be appreciated that the use of the described noun of locality should not limit the protection domain that the application asks.
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1 to Figure 3, a kind of novel high magnification super capacitor electrode slice, it comprises collector 1 and active carbon layer 2, described active carbon layer 2 is coated on collector 1 upper surface, described active carbon layer 2 upper surface roll-in has multiple groove portion 2-1 and the lug boss 2-2 relative to groove portion 2-1, described groove portion 2-1 and lug boss 2-2 ordered arrangement make active carbon layer 2 upper surface entirety present regular grid structure, and described groove portion 2-1 bottom area accounts for the 60% to 80% of active carbon layer 2 upper surface area.
The grid structure of active carbon layer 2 upper surface controls to micron order, groove portion 2-1 stores electrolytic solution, form electrolytic solution and store channel, and then provide enough electrolyte ions for the adsorption and desorption on active substance surface, shortening the transmission route of ion, the high power making electrode for capacitors still can keep good under high areal density and strong current density is forthright. Collector 1 can select aluminium foil material. Active carbon layer 2 selects super capacitor active carbon material.
As shown in Figure 2, on technique scheme basis, described groove portion 2-1 and lug boss 2-2 criss-cross arrangement, described active carbon layer 2 upper surface entirety presents outward extending " well " font grid structure. So arrange, meet actual use needs. Such as, lamination process is adopted to prepare (2.7V/350F) in flexible packed super-capacitor process. This flexible packed super-capacitor mainly comprises shell, battery core and electrolytic solution. Battery core part is laminated by electrode film, barrier film, negative electrode plate, and barrier film plays isolation effect between electrode film and negative electrode plate. Electrode film and negative electrode plate include collector 1 and active carbon layer 2. Prepare main implementation step to comprise: be coated on by active carbon layer 2 above collector 1, rolling process process is carried out after drying and processing, and then form " well " font grid structure at active carbon layer 2 upper surface, obtain electrode film and negative electrode plate after drying, roll-in and punch die, then through lamination, tab welding, enter shell, fluid injection, the obtained flexible packed super-capacitor (2.7V/350F) of the operation such as packaging shell.The width control system of active carbon layer 2 upper surface grid structure further groove portion 2-1 is 28um, and the degree of depth is 18um. Wherein the optional silk screen with having " well " font grid structure of rod compression technology is suppressed on active carbon layer 2 surface, the rod with net grain surface also can be used to carry out rod pressure and obtain.
As shown in Figure 3, on technique scheme basis, described groove portion 2-1 presents W type, described lug boss 2-2 presents W type, multiple described groove portion 2-1 head and the tail are in turn connected to form groove row, multiple described lug boss 2-2 head and the tail are in turn connected to form protruding row, and described groove row is spaced with described projection row, and described active carbon layer 2 upper surface entirety presents outward extending W type grid structure. So arrange, meet actual use needs.
Active carbon layer 2 upper surface grid structure also can be arranged to roundness mess, honeycombed grid, rhombic-shaped grid.
On technique scheme basis, in described groove portion 2-1, the width of recess is 1um to 100um. So arrange, meet actual use needs.
On technique scheme basis, in described groove portion 2-1, the degree of depth of recess is 1um to 100um. So arrange, meet actual use needs.
On technique scheme basis, a kind of ultracapacitor, described ultracapacitor comprises the electric capacity housing of built-in electrolytic solution, and described electric capacity housing is provided with anode electrode sheet and negative electrode sheet, and described anode electrode sheet and negative electrode sheet adopt the electrode slice described in above-mentioned any one.
Limiting the scope of the invention, one of ordinary skill in the art are it is to be appreciated that on the basis of the technical scheme of the present invention, and those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (6)
1. a novel high magnification super capacitor electrode slice, it is characterized in that: it comprises collector 1 and active carbon layer 2, described active carbon layer 2 is coated on collector 1 upper surface, described active carbon layer 2 upper surface roll-in has multiple groove portion 2-1 and the lug boss 2-2 relative to groove portion 2-1, described groove portion 2-1 and lug boss 2-2 ordered arrangement make active carbon layer 2 upper surface entirety present regular grid structure, and described groove portion 2-1 bottom area accounts for the 60% to 80% of active carbon layer 2 upper surface area.
2. the novel high magnification super capacitor electrode slice of one according to claim 1, it is characterised in that: described groove portion 2-1 and lug boss 2-2 criss-cross arrangement, described active carbon layer 2 upper surface entirety presents outward extending " well " font grid structure.
3. the novel high magnification super capacitor electrode slice of one according to claim 1, it is characterized in that: described groove portion 2-1 presents W type, described lug boss 2-2 presents W type, multiple described groove portion 2-1 head and the tail are in turn connected to form groove row, multiple described lug boss 2-2 head and the tail are in turn connected to form protruding row, described groove row is spaced with described projection row, and described active carbon layer 2 upper surface entirety presents outward extending W type grid structure.
4. a kind of novel high magnification super capacitor electrode slice according to claim 1 or 2 or 3, it is characterised in that: in described groove portion 2-1, the width of recess is 1um to 100um.
5. a kind of novel high magnification super capacitor electrode slice according to claim 1 or 2 or 3, it is characterised in that: in described groove portion 2-1, the degree of depth of recess is 1um to 100um.
6. a ultracapacitor, described ultracapacitor comprises the electric capacity housing of built-in electrolytic solution, described electric capacity housing is provided with anode electrode sheet and negative electrode sheet, it is characterised in that: described anode electrode sheet and negative electrode sheet adopt in claim 1 to claim 5 electrode slice described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129189.3A CN105679550A (en) | 2016-03-07 | 2016-03-07 | Novel high-rate supercapacitor electrode plate and supercapacitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610129189.3A CN105679550A (en) | 2016-03-07 | 2016-03-07 | Novel high-rate supercapacitor electrode plate and supercapacitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105679550A true CN105679550A (en) | 2016-06-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610129189.3A Pending CN105679550A (en) | 2016-03-07 | 2016-03-07 | Novel high-rate supercapacitor electrode plate and supercapacitor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105679550A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599790A (en) * | 2020-12-14 | 2021-04-02 | 天津大学仁爱学院 | Cold pressing preparation method of air electrode |
| CN112892988A (en) * | 2021-01-19 | 2021-06-04 | 兰州大学 | Coating device for electrode plate of lithium ion battery |
| CN114203968A (en) * | 2021-11-10 | 2022-03-18 | 华中科技大学 | Positive pole piece structure for promoting electrolyte infiltration and preparation method and application thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02265174A (en) * | 1989-04-05 | 1990-10-29 | Asahi Glass Co Ltd | Nonaqueous electrolyte energy storage unit |
| JPH0399415A (en) * | 1989-09-12 | 1991-04-24 | Isuzu Motors Ltd | Electric double layer capacitor |
| JP2008192383A (en) * | 2007-02-02 | 2008-08-21 | Hitachi Maxell Ltd | Cylindrical non-aqueous electrolytic liquid primary cell |
| CN201518281U (en) * | 2009-09-25 | 2010-06-30 | 哈尔滨巨容新能源有限公司 | Flexible package double-electric-layer capacitor |
| CN103035880A (en) * | 2011-09-30 | 2013-04-10 | 株式会社半导体能源研究所 | Power storage device |
| CN103515579A (en) * | 2012-06-21 | 2014-01-15 | 中国人民解放军63971部队 | Negative plate of lead storage battery |
-
2016
- 2016-03-07 CN CN201610129189.3A patent/CN105679550A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02265174A (en) * | 1989-04-05 | 1990-10-29 | Asahi Glass Co Ltd | Nonaqueous electrolyte energy storage unit |
| JPH0399415A (en) * | 1989-09-12 | 1991-04-24 | Isuzu Motors Ltd | Electric double layer capacitor |
| JP2008192383A (en) * | 2007-02-02 | 2008-08-21 | Hitachi Maxell Ltd | Cylindrical non-aqueous electrolytic liquid primary cell |
| CN201518281U (en) * | 2009-09-25 | 2010-06-30 | 哈尔滨巨容新能源有限公司 | Flexible package double-electric-layer capacitor |
| CN103035880A (en) * | 2011-09-30 | 2013-04-10 | 株式会社半导体能源研究所 | Power storage device |
| CN103515579A (en) * | 2012-06-21 | 2014-01-15 | 中国人民解放军63971部队 | Negative plate of lead storage battery |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599790A (en) * | 2020-12-14 | 2021-04-02 | 天津大学仁爱学院 | Cold pressing preparation method of air electrode |
| CN112892988A (en) * | 2021-01-19 | 2021-06-04 | 兰州大学 | Coating device for electrode plate of lithium ion battery |
| CN114203968A (en) * | 2021-11-10 | 2022-03-18 | 华中科技大学 | Positive pole piece structure for promoting electrolyte infiltration and preparation method and application thereof |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 213000 No. 3 sail Road, economic development zone, Wujin District, Jiangsu, Changzhou Applicant after: Su Wen electric energy Polytron Technologies Inc Address before: 213000 No. 3 sail Road, economic development zone, Wujin District, Jiangsu, Changzhou Applicant before: SUWEN ELECTRIC ENERGY SCIENCE AND TECHNOLOGY CO., LTD. |
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| CB02 | Change of applicant information | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160615 |
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| RJ01 | Rejection of invention patent application after publication |