KR101859432B1 - Portable subsidiary power supply device for rapid charging using super capacitor - Google Patents
Portable subsidiary power supply device for rapid charging using super capacitor Download PDFInfo
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- KR101859432B1 KR101859432B1 KR1020150151524A KR20150151524A KR101859432B1 KR 101859432 B1 KR101859432 B1 KR 101859432B1 KR 1020150151524 A KR1020150151524 A KR 1020150151524A KR 20150151524 A KR20150151524 A KR 20150151524A KR 101859432 B1 KR101859432 B1 KR 101859432B1
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- South Korea
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- charging
- voltage
- electrodes
- converter
- adapter
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Images
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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/345—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering using capacitors as storage or buffering devices
-
- 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)
- Electric Double-Layer Capacitors Or The Like (AREA)
Abstract
The present invention relates to a supercharger which is capable of directly supplying power when various power supplies of a portable device are insufficient by using a block type super capacitor or charging a battery in the device in a short period of time, The present invention relates to a portable auxiliary power supply device, and more particularly, A supercap array having a plurality of parallel-connected supercapacitors for receiving and charging a DC voltage for charging from the adapter and applying a DC voltage generated by the charged power; A converter rectifying the DC voltage applied in the supercap array; And a connector connected to the external device, the connector receiving a DC voltage rectified from the converter and transferring the DC voltage to the external device, wherein the supercapacitor comprises: a substrate; At least two or more unit cells formed on the substrate and arranged such that electrodes of the layered structure face each other in an in-plane structure; And two current collectors formed on the substrate, one side of which is connected to the unit cell and the other side of which is connected to the adapter and the converter, wherein each of the two or more unit cells has one electrode And the electrodes of the adjacent unit cells arranged in series are connected in series.
Description
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a rapid charging portable auxiliary power supply using a super capacitor, and more particularly, to a power supply using a block type super capacitor, And more particularly, to a rapid charging portable auxiliary power supply device using a super capacitor capable of being charged and capable of having a very small structure.
In general, supercapacitors are sometimes referred to as electric double layer capacitors (EDLC) or ultra-capacitors. Unlike batteries that utilize chemical reactions, supercapacitors are often referred to as simple double-layer capacitors Is an energy storage device that utilizes a charging phenomenon caused by a magnetic field.
Specifically, the supercapacitor is formed of an electrode attached to a conductor and an electrolyte solution impregnated in the electrode, and a pair of charge layers (electric double layer) having different signs are formed at the interface of the electrodes. These supercapacitors are capable of rapid charge / discharge, exhibit high charge / discharge efficiency, exhibit a semi-permanent cycle life characteristic without requiring maintenance because the deterioration due to repetition of charging / discharging operations is very small, Generation energy storage device that can be used.
However, since the conventional super capacitor as described above has the same structure as a general battery, it is difficult to miniaturize it and can be used for a car charging device, but it is not suitable for use as a portable auxiliary power supply device.
SUMMARY OF THE INVENTION An object of the present invention is to solve the above problems of the prior art by providing a rapid charging function by using a block type supercapacitor capable of realizing a very small size while supporting a high charging and discharging performance as an energy storage device, And to provide a rapid charging portable auxiliary power supply using a super capacitor capable of supplying power directly in shortage or charging the battery in the apparatus in a short period of time.
According to an aspect of the present invention, there is provided an auxiliary power supply device for rapid charging using a supercapacitor, comprising: an adapter for converting power supplied from a supercapacitor to a DC voltage for charging; A supercap array having a plurality of parallel-connected supercapacitors for receiving and charging a DC voltage for charging from the adapter and applying a DC voltage generated by the charged power; A converter rectifying the DC voltage applied in the supercap array; And a connector connected to the external device, the connector receiving a DC voltage rectified from the converter and transferring the DC voltage to the external device, wherein the supercapacitor comprises: a substrate; At least two or more unit cells formed on the substrate and arranged such that electrodes of the layered structure face each other in an in-plane structure; And two current collectors formed on the substrate, one side of which is connected to the unit cell and the other side of which is connected to the adapter and the converter, wherein each of the two or more unit cells has one electrode And the electrodes of the adjacent unit cells arranged in series are connected in series.
Here, a metal connection part may be formed between the adjacently arranged electrodes so as to be connected in series.
In addition, metal may be filled between the adjacently arranged electrodes.
On the other hand, the layered electrode may be made of a material selected from a carbon material, a metal oxide, a metal nitride, a metal sulfide, a conductive organic material, a graphene and a graphene oxide, or a mixture of two or more thereof.
Meanwhile, the two electrodes included in the unit cell may be patterned and separated in a staggered shape.
In addition, the two electrodes included in the unit cell may be patterned and separated into a straight shape.
Meanwhile, the two electrodes included in the unit cell may be patterned and separated into a zigzag shape.
The present invention has an effect of providing a quick charging function and miniaturization through an auxiliary power supply device using a block-type supercapacitor having an electrode surface area increased by using an infrain structure as an energy storage device.
In addition, since the energy storage device uses a super capacitor which does not include lithium at all, it has an effect of ensuring safety while performing a charge / discharge operation during user's portable operation.
FIG. 1 is a block diagram illustrating a fast-charge portable auxiliary power unit using a supercapacitor according to an embodiment of the present invention.
FIG. 2 is a structural view illustrating a super capacitor among quick-charge portable auxiliary power supplies using a super capacitor according to an embodiment of the present invention.
FIGS. 3A to 3C are diagrams illustrating an electrode separation pattern of a super capacitor among quick-charge portable auxiliary power supplies using a super capacitor according to an embodiment of the present invention.
4A to 4F are views illustrating a process of manufacturing a super capacitor among quick-charge portable auxiliary power supplies using a super capacitor according to an embodiment of the present invention.
The description of the disclosed technique is merely an example for structural or functional explanation and the scope of the disclosed technology should not be construed as being limited by the embodiments described in the text. That is, the embodiments are to be construed as being variously embodied and having various forms, so that the scope of the disclosed technology should be understood to include equivalents capable of realizing technical ideas.
Meanwhile, the meaning of the terms described in the present application should be understood as follows.
The terms " first ", " second ", and the like are used to distinguish one element from another and should not be limited by these terms. For example, the first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component.
It is to be understood that when an element is referred to as being "connected" to another element, it may be directly connected to the other element, but there may be other elements in between. On the other hand, when an element is referred to as being "directly connected" to another element, it should be understood that there are no other elements in between. On the other hand, other expressions that describe the relationship between components, such as "between" and "between" or "neighboring to" and "directly adjacent to" should be interpreted as well.
It is to be understood that the singular " include " or "have" are to be construed as including the stated feature, number, step, operation, It is to be understood that the combination is intended to specify that it is present and not to preclude the presence or addition of one or more other features, numbers, steps, operations, components, parts or combinations thereof.
Each step may take place differently from the stated order unless explicitly stated in a specific order in the context. That is, each step may occur in the same order as described, may be performed substantially concurrently, or may be performed in reverse order.
All terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the disclosed technology belongs, unless otherwise defined. Terms defined in commonly used dictionaries should be interpreted to be consistent with meaning in the context of the relevant art and can not be construed as having ideal or overly formal meaning unless expressly defined in the present application.
FIG. 1 is a circuit diagram of a quick-charge portable auxiliary power unit using a super capacitor according to an exemplary embodiment of the present invention. Referring to FIG. 1, the auxiliary power unit includes a super-
The
On the other hand, the
The
First, the
The
At this time, the respective layers included in the
At this time, even if each layer included in the layered structure is arranged in a direction perpendicular to the substrate, if the direction of each layer is arranged in a direction perpendicular to the
Meanwhile, the infrain structure improves the performance of each supercapacitor in the
On the other hand, in the case where electrodes are formed on the
Further, as the electrode member becomes thicker, the edge effect and the pseudo capacitor effect become larger because the ratio of the cut surface at all the electrodes becomes greater as the electrode member becomes thicker. As a result, the thicker the electrode member in the inflation structure as in the present embodiment, the larger the capacity can be exhibited.
The edge effect and the pseudo capacitor effect described above are obtained by forming the electrode by cutting and separating the electrode member or the
The two
The two
The insulating
The
Meanwhile, the insulating
Further, the
The
Meanwhile, the
4A to 4F are diagrams illustrating a manufacturing process of each super capacitor in the
First, as shown in FIG. 4A, a
For example, a layered electrode member is formed using graphene and graphene oxide having a typical two-dimensional planar structure, and then cut into a size of 10 mm x 10 mm using an ultraviolet laser drilling system, And adheres to the surface of the
At this time, graphene oxide can be produced by chemically peeling graphite. In this embodiment, 20 mg of chemically separated graphene oxide was added to 10 cc of deionized water and dispersed by ultrasonic treatment in an ultrasonic cleaner for 30 minutes in order to make a layered electrode member using graphene oxide Make a graphene oxide solution. Then, the graphene oxide solution is filtered using a vacuum filtration apparatus equipped with a Durapore membrane filter. In addition to the vacuum filtration method, a self-lamination method, a chemical vapor deposition method, a casting method, a coating method, or the like can be applied as a method for forming the graphene oxide into a layered electrode member. The electrode member filtered is reduced by heat treatment at 200 degrees Celsius. Meanwhile, the electrode member used in this embodiment may be manufactured to have a thickness in the micrometer range, but the capacitance can be increased by making the thickness thereof thick in the range of millimeter or centimeter. In order to manufacture the thick electrode member (a block-shaped electrode member), it is necessary to increase the time for performing the vacuum filtration method, the electrophoresis plating method, the chemical vapor deposition method, the casting method and the coating method, A method of evaporating the solvent and then rolling or pressing may be applied. Through this method, an electrode member made of graphene or graphene oxide having a thick thickness such as a rectangular parallelepiped or a cube can be manufactured. At this time, a part of the binder material may be added in order to enhance the mechanical stability of the electrode member.
Next, a
Thereafter, as shown in FIG. 4C, an insulating
Next, as shown in FIG. 4D, the electrode member is separated into a
Here, a connection unit (not shown) may be formed between the
Meanwhile, in the process of removing the insulating
Thereafter, as shown in FIG. 4E, a
At this time, a
Next, as shown in FIG. 4F, a
That is, an ultraviolet laser drilling system is used to form a pattern in the form of interdigitated fingers. Although the illustrated embodiment is selected to widen the surface area of the electrode, the present invention is not limited thereto and two separate electrodes may be formed. In addition, the method of separating the
In addition, it may further include a process of further reducing the electrode after the above-described process, or a process of introducing a functional group into the electrode.
When the graphene oxide is used as the electrode material as in the present embodiment, the resistance of the electrode itself can be lowered by further reducing after the above-mentioned reduction process, thereby increasing the output. An additional reduction method is to chemically reduce the graphene oxide by placing the supercapacitor with electrode member or electrode separation in a vacuum desiccator with 5 cc hydrazine monohydrate (98% aldrich) for 48 hours It is possible. In addition, various other methods can be used, such as reducing the solution in a solution containing a reducing substance in an aqueous solution, reducing the reducing gas by flowing a reducing gas, or reducing the solution through heat treatment.
A functional group may be introduced into the electrode using a method of immersing or plasma-treating the supercapacitor subjected to the electrode member or electrode separation in a KOH solution, optically treating using a laser or ultraviolet ray, or chemically synthesizing the supercapacitor. , And the performance of the supercapacitor is improved by adding a pseudocapacitive effect by these functional groups.
Finally, the electrodes of each
Although the disclosed method and apparatus have been described with reference to the embodiments shown in the drawings for illustrative purposes, those skilled in the art will appreciate that various modifications and equivalent embodiments are possible without departing from the scope of the present invention. I will understand that. Accordingly, the true scope of protection of the disclosed technology should be determined by the appended claims.
100: Adapter
200: Super Cap Array
300: Converter
400: Connector
Claims (7)
A supercap array having a plurality of parallel-connected supercapacitors for receiving and charging a DC voltage for charging from the adapter and applying a DC voltage generated by the charged power;
A converter rectifying the DC voltage applied in the supercap array; And
And a connector for receiving a DC voltage rectified from the converter and transmitting the rectified DC voltage to the external device,
The supercapacitor includes:
Board;
At least two or more unit cells formed on the substrate and arranged such that electrodes of the layered structure face each other in an in-plane structure; And
A plurality of current collectors formed on the substrate and having one side connected to the unit cell and the other side connected to the adapter and the converter,
The two or more unit cells are each arranged such that one electrode is adjacent to each other and a connection part made of a metal material is formed between the electrodes arranged adjacent to each other, Charging portable auxiliary power unit.
And a metal is filled between the electrodes arranged adjacent to each other.
Characterized in that the electrodes of the layered structure are made of a material selected from the group consisting of a carbon material, a metal oxide, a metal nitride, a metal sulfide, a conductive organic material, a graphene and a graphene oxide or a mixture of two or more materials. Portable auxiliary power unit.
Wherein the two electrodes included in the unit cell are patterned in a staggered shape and separated.
Wherein the two electrodes included in the unit cell are patterned and separated into a straight line shape. The auxiliary power supply unit for rapid charging using the supercapacitor.
Wherein the two electrodes included in the unit cell are patterned and separated in a zigzag shape to separate the auxiliary power supply for quick charging using the supercapacitor.
Priority Applications (1)
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KR1020150151524A KR101859432B1 (en) | 2015-10-30 | 2015-10-30 | Portable subsidiary power supply device for rapid charging using super capacitor |
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KR1020150151524A KR101859432B1 (en) | 2015-10-30 | 2015-10-30 | Portable subsidiary power supply device for rapid charging using super capacitor |
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KR20170050238A KR20170050238A (en) | 2017-05-11 |
KR101859432B1 true KR101859432B1 (en) | 2018-05-23 |
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KR102590476B1 (en) | 2023-06-20 | 2023-10-16 | 박영운 | Auxiliary power storage with automatic charging function |
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US11127538B2 (en) | 2017-02-20 | 2021-09-21 | The Research Foundation For The State University Of New York | Multi-cell multi-layer high voltage supercapacitor apparatus including graphene electrodes |
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KR101356791B1 (en) * | 2012-01-20 | 2014-01-27 | 한국과학기술원 | film-type supercapacitors and method for fabricating the same |
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KR101356791B1 (en) * | 2012-01-20 | 2014-01-27 | 한국과학기술원 | film-type supercapacitors and method for fabricating the same |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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KR102590476B1 (en) | 2023-06-20 | 2023-10-16 | 박영운 | Auxiliary power storage with automatic charging function |
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