CN110718697A - Chemical battery/capacitor for inhibiting self-discharge - Google Patents
Chemical battery/capacitor for inhibiting self-discharge Download PDFInfo
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- CN110718697A CN110718697A CN201910906742.3A CN201910906742A CN110718697A CN 110718697 A CN110718697 A CN 110718697A CN 201910906742 A CN201910906742 A CN 201910906742A CN 110718697 A CN110718697 A CN 110718697A
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- metal sheet
- capacitor
- battery
- negative electrode
- positive electrode
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M6/00—Primary cells; Manufacture thereof
- H01M6/50—Methods or arrangements for servicing or maintenance, e.g. for maintaining operating temperature
- H01M6/5088—Initial activation; predischarge; Stabilisation of initial voltage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/04—Electrodes or formation of dielectric layers thereon
- H01G9/048—Electrodes or formation of dielectric layers thereon characterised by their structure
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES OR LIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
- H01G9/00—Electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices; Processes of their manufacture
- H01G9/004—Details
- H01G9/14—Structural combinations or circuits for modifying, or compensating for, electric characteristics of electrolytic capacitors
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
- H01M50/124—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material having a layered structure
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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
Abstract
The invention provides a chemical battery/capacitor for inhibiting self-discharge, comprising: the battery comprises a battery shell/capacitor shell, a positive electrode, a negative electrode, a diaphragm and electrolyte, wherein a first metal sheet is arranged outside the battery shell/capacitor shell close to the positive electrode, and the first metal sheet is electrically connected with the negative electrode; and a second metal sheet is arranged outside the battery shell/capacitor shell close to the negative electrode, and the second metal sheet is electrically connected with the positive electrode. The invention has smart structure design, inhibits the self-discharge phenomenon of the chemical battery/capacitor by utilizing the principle of an electrostatic field, and prolongs the continuous use time and the standby time of the chemical battery/capacitor.
Description
Technical Field
The present invention relates to a chemical battery/capacitor, and more particularly, to a chemical battery/capacitor that suppresses self-discharge.
Background
Chemical batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. A capacitor is an element that stores electricity and electric energy (potential energy). Self-discharge refers to the loss of a portion of capacity of a battery/capacitor that contains a certain amount of electricity after a certain period of storage at a certain temperature. It is simply understood that self-discharge is the loss of capacity of the battery/capacitor when not in use, e.g. the charge of the negative electrode returns to the positive electrode itself or the charge of the battery/capacitor is reacted away by side reactions.
At present, the chemical battery/capacitor on the existing market generally has a self-discharge phenomenon, and the continuous service time and the standby time of the chemical battery/capacitor are reduced.
Disclosure of Invention
The present invention provides a chemical battery/capacitor with self-discharge suppression, which can effectively solve the above problems.
The invention is realized by the following steps:
a self-discharge-inhibiting chemical battery comprising: the battery comprises a battery shell, a positive electrode, a negative electrode, a diaphragm and electrolyte, wherein a first metal sheet is arranged outside the battery shell close to the positive electrode and is electrically connected with the negative electrode; and a second metal sheet is arranged outside the battery shell close to the negative electrode, and the second metal sheet is electrically connected with the positive electrode.
As a further improvement, the positive electrode is of a hollow tubular structure, and the negative electrode is of a hollow tubular structure.
As a further improvement, the positive electrode and the negative electrode are both provided with through holes.
As a further improvement, the first metal sheet is a copper sheet, and the second metal sheet is a copper sheet.
As a further improvement, the electrolyte is a non-aqueous electrolyte.
A capacitor for suppressing self-discharge, comprising: the capacitor comprises a capacitor shell, a positive electrode, a negative electrode, a diaphragm and electrolyte, wherein a first metal sheet is arranged outside the capacitor shell close to the positive electrode and is electrically connected with the negative electrode; and a second metal sheet is arranged outside the capacitor shell close to the cathode and is electrically connected with the anode.
As a further improvement, the positive electrode is of a hollow tubular structure, and the negative electrode is of a hollow tubular structure.
As a further improvement, the positive electrode and the negative electrode are both provided with through holes.
As a further improvement, the first metal sheet is a copper sheet, and the second metal sheet is a copper sheet.
As a further improvement, the electrolyte is a non-aqueous electrolyte.
The invention has the beneficial effects that: the first metal sheet is electrically connected with the cathode, the second metal sheet is electrically connected with the anode, and the movement of ions in the electrolyte is inhibited by utilizing the principle of an electrostatic field, so that the self-discharge phenomenon of the chemical battery/capacitor is inhibited, and the continuous use time and the standby time of the chemical battery/capacitor are prolonged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of the overall structure provided by the embodiment of the present invention.
Fig. 2 is a schematic diagram of a hollow pipe and a through hole structure according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an operation principle provided by the embodiment of the present invention.
In the figure: 1. battery case/capacitor case 2, positive electrode 3, negative electrode 21/31, through hole 4, diaphragm 5, electrolyte 6, first metal sheet 7, second metal sheet
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the description of the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Example one
Referring to fig. 1 to 3, an electrochemical cell for suppressing self-discharge includes: the battery comprises a battery shell 1, a positive electrode 2, a negative electrode 3, a diaphragm 4 and an electrolyte 5, wherein a first metal sheet 6 is arranged outside the battery shell 1 close to the positive electrode 2, and the first metal sheet 6 is electrically connected with the negative electrode 3; a second metal sheet 7 is arranged outside the battery case 1 near the negative electrode 3, and the second metal sheet 7 is electrically connected with the positive electrode 2. The principle of electrostatic field is used to inhibit the migration of ions in the electrolyte 5, thereby inhibiting the phenomenon of self-discharge of the chemical battery.
Referring to fig. 2, the positive electrode 2 is a hollow tubular structure, and the negative electrode 3 is a hollow tubular structure; the reaction area of the anode 2 and the cathode 3 is increased, and the reaction efficiency is improved.
Referring to fig. 2, through holes 21/31 are formed in the anode 2 and the cathode 3, so that the reaction efficiency of the anode 2 and the cathode 3 is higher; the provision of the through-holes 21/31 enhances the penetration effect of the electrostatic field under the electrostatic field generated by the first metal sheet 6 and the second metal sheet 7, and also facilitates the ions to pass through the through-holes 21/31, thereby being closer to the corresponding metal sheets.
Referring to fig. 1 to 3, the first metal sheet 6 is a copper sheet, and the second metal sheet 7 is a copper sheet, so that the electrostatic field effect generated by the first metal sheet 6 and the second metal sheet 7 after being electrified is better.
Referring to fig. 1 to 3, the electrolyte 5 is a nonaqueous electrolyte. In this embodiment, the chemical battery is a lithium battery, and the electrolyte 5 is composed of a lithium salt and an organic solvent. The electrolyte 5 functions to conduct ions between the positive electrode 2 and the negative electrode 3 of the chemical cell.
The invention provides a chemical battery for inhibiting self-discharge, which is realized by the following steps: the first metal sheet 6 is electrically connected with the negative electrode 3, the second metal sheet 7 is electrically connected with the positive electrode 2, so that an electrostatic field is formed between the first metal sheet 6 and the second metal sheet 7, wherein part of positive ions in the electrolyte 5 move towards the first metal sheet 6 under the action of the electrostatic field and are gathered near the first metal sheet 6 and the positive electrode 2; part of negative ions in the electrolyte 5 move towards the second metal sheet 7 under the action of an electrostatic field and are gathered near the second metal sheet 7 and the negative electrode 3; the arrangement of the first metal sheet 6 and the second metal sheet 7 increases the internal resistance of the electrolyte 5, and inhibits the swimming phenomenon of ions, thereby inhibiting the self-discharge phenomenon of the chemical battery and prolonging the service life of the chemical battery.
Example two
Referring to fig. 1 to 3, a capacitor for suppressing self-discharge includes: the battery comprises a battery shell 1, a positive electrode 2, a negative electrode 3, a diaphragm 4 and an electrolyte 5, wherein a first metal sheet 6 is arranged outside the battery shell 1 close to the positive electrode 2, and the first metal sheet 6 is electrically connected with the negative electrode 3; a second metal sheet 7 is arranged outside the battery case 1 near the negative electrode 3, and the second metal sheet 7 is electrically connected with the positive electrode 2. The principle of electrostatic field is used for inhibiting the migration of ions in the electrolyte 5, thereby inhibiting the phenomenon of capacitance self-discharge.
Referring to fig. 2, the positive electrode 2 is a hollow tubular structure, and the negative electrode 3 is a hollow tubular structure; the reaction area of the anode 2 and the cathode 3 is increased, and the reaction efficiency is improved.
Referring to fig. 2, through holes 21/31 are formed in the anode 2 and the cathode 3, so that the reaction efficiency of the anode 2 and the cathode 3 is higher; the provision of the through-holes 21/31 enhances the penetration effect of the electrostatic field under the electrostatic field generated by the first metal sheet 6 and the second metal sheet 7, and also facilitates the ions to pass through the through-holes 21/31, thereby being closer to the corresponding metal sheets.
Referring to fig. 1 to 3, the first metal sheet 6 is a copper sheet, and the second metal sheet 7 is a copper sheet, so that the electrostatic field effect generated by the first metal sheet 6 and the second metal sheet 7 after being electrified is better.
Referring to fig. 1 to 3, the electrolyte 5 is a nonaqueous electrolyte. The electrolyte 5 functions to conduct ions between the positive electrode 2 and the negative electrode 3 of the capacitor.
The capacitor for inhibiting self-discharge is realized by the following steps: the first metal sheet 6 is electrically connected with the negative electrode 3, the second metal sheet 7 is electrically connected with the positive electrode 2, so that an electrostatic field is formed between the first metal sheet 6 and the second metal sheet 7, wherein part of positive ions in the electrolyte 5 move towards the first metal sheet 6 under the action of the electrostatic field and are gathered near the first metal sheet 6 and the positive electrode 2; part of negative ions in the electrolyte 5 move towards the second metal sheet 7 under the action of an electrostatic field and are gathered near the second metal sheet 7 and the negative electrode 3; the arrangement of the first metal sheet 6 and the second metal sheet 7 increases the internal resistance of the electrolyte 5, and inhibits the phenomenon of ion migration, thereby inhibiting the phenomenon of capacitor self-discharge and prolonging the service life of the capacitor.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A self-discharge-inhibiting chemical battery comprising: the battery comprises a battery shell, a positive electrode, a negative electrode, a diaphragm and electrolyte, and is characterized in that a first metal sheet is arranged outside the battery shell close to the positive electrode, and the first metal sheet is electrically connected with the negative electrode; and a second metal sheet is arranged outside the battery shell close to the negative electrode, and the second metal sheet is electrically connected with the positive electrode.
2. The electrochemical cell of claim 1, wherein the positive electrode is a hollow tubular structure and the negative electrode is a hollow tubular structure.
3. The electrochemical cell according to claim 1, wherein the positive electrode and the negative electrode are provided with through holes.
4. The chemical battery as defined in claim 1, wherein the first metal sheet is a copper sheet and the second metal sheet is a copper sheet.
5. The chemical battery as recited in claim 1 wherein the electrolyte is a non-aqueous electrolyte.
6. A capacitor for suppressing self-discharge, comprising: the capacitor comprises a capacitor shell, a positive electrode, a negative electrode, a diaphragm and electrolyte, and is characterized in that a first metal sheet is arranged outside the capacitor shell close to the positive electrode, and the first metal sheet is electrically connected with the negative electrode; and a second metal sheet is arranged outside the capacitor shell close to the cathode and is electrically connected with the anode.
7. The capacitor of claim 6 wherein said positive electrode is a hollow tubular structure and said negative electrode is a hollow tubular structure.
8. The capacitor of claim 6, wherein the positive electrode and the negative electrode are both provided with through holes.
9. The capacitor of claim 6, wherein the first metal sheet is a copper sheet and the second metal sheet is a copper sheet.
10. The capacitor of claim 6, wherein said electrolyte is a non-aqueous electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910906742.3A CN110718697A (en) | 2019-09-24 | 2019-09-24 | Chemical battery/capacitor for inhibiting self-discharge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910906742.3A CN110718697A (en) | 2019-09-24 | 2019-09-24 | Chemical battery/capacitor for inhibiting self-discharge |
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| Publication Number | Publication Date |
|---|---|
| CN110718697A true CN110718697A (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910906742.3A Pending CN110718697A (en) | 2019-09-24 | 2019-09-24 | Chemical battery/capacitor for inhibiting self-discharge |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103928A (en) * | 2009-12-21 | 2011-06-22 | 钰邦电子（无锡）有限公司 | Capacitor packaging structure |
| CN203367424U (en) * | 2013-06-22 | 2013-12-25 | 李家敏 | Capacitor battery |
| CN104953165A (en) * | 2015-07-12 | 2015-09-30 | 陈卡丹 | Overcharge anti-explosion battery |
| CN106058298A (en) * | 2016-08-17 | 2016-10-26 | 李家敏 | Double-coated different-pole equal-voltage storage battery |
| CN206040835U (en) * | 2016-08-17 | 2017-03-22 | 李家敏 | It is two according to applying different level with pressing battery |
| CN208849016U (en) * | 2018-06-15 | 2019-05-10 | 沈明东 | Lithium ion secondary battery |
-
2019
- 2019-09-24 CN CN201910906742.3A patent/CN110718697A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103928A (en) * | 2009-12-21 | 2011-06-22 | 钰邦电子（无锡）有限公司 | Capacitor packaging structure |
| CN203367424U (en) * | 2013-06-22 | 2013-12-25 | 李家敏 | Capacitor battery |
| CN104953165A (en) * | 2015-07-12 | 2015-09-30 | 陈卡丹 | Overcharge anti-explosion battery |
| CN106058298A (en) * | 2016-08-17 | 2016-10-26 | 李家敏 | Double-coated different-pole equal-voltage storage battery |
| CN206040835U (en) * | 2016-08-17 | 2017-03-22 | 李家敏 | It is two according to applying different level with pressing battery |
| CN208849016U (en) * | 2018-06-15 | 2019-05-10 | 沈明东 | Lithium ion secondary battery |
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Application publication date: 20200121 |