EP1872426A1 - Electrochemical element - Google Patents
Electrochemical elementInfo
- Publication number
- EP1872426A1 EP1872426A1 EP06724078A EP06724078A EP1872426A1 EP 1872426 A1 EP1872426 A1 EP 1872426A1 EP 06724078 A EP06724078 A EP 06724078A EP 06724078 A EP06724078 A EP 06724078A EP 1872426 A1 EP1872426 A1 EP 1872426A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- substrate
- galvanic element
- electrodes
- element according
- electrolyte
- 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.)
- Withdrawn
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
-
- 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
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0414—Methods of deposition of the material by screen printing
-
- 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
- H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
- H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
-
- 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
- H01M6/04—Cells with aqueous electrolyte
- H01M6/06—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid
- H01M6/12—Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid with flat electrodes
-
- 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
- H01M6/40—Printed batteries, e.g. thin film batteries
-
- 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
- H01M6/42—Grouping of primary cells into batteries
- H01M6/46—Grouping of primary cells into batteries of flat cells
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49108—Electric battery cell making
- Y10T29/49115—Electric battery cell making including coating or impregnating
Definitions
- a corresponding protection or a corresponding stabilization can also be realized in another way, for example by applying a film or a corresponding layer over the plane of the electrolyte, preferably imprinting it.
- This layer is usually also made of plastic, d. H. is at least polymer-based.
- FIG. 1 shows the schematic structure of a galvanic element according to the invention as a single cell with adjacent electrodes.
- FIG. 2 shows the schematic structure of a galvanic element according to the invention with three individual cells
- FIG. 3 shows the schematic structure of a galvanic element according to the invention with four individual cells (connected in series and in parallel)
- FIG. 4 shows a schematic section of the production process for the construction of individual cells on an endless belt serving as a substrate.
- Fig. 1 shows an inventive galvanic element in the form of a so-called single cell.
- so-called collectors / arresters 3, 4 are applied to a flat substrate 1 in the form of an electrically non-conductive, thin plastic film 2.
- These were applied to the substrate 1 in the form of electrically conductive pastes (preferably silver, copper, nickel, aluminum, indium, bismuth or graphite) and then dried.
- electrically conductive pastes preferably silver, copper, nickel, aluminum, indium, bismuth or graphite
- Such pastes may usually contain binders in the form of polymers, which may be thermally or chemically solidified, for example.
- the application of the collectors / arresters 3, 4 is not limited to the application of electrically conductive pastes.
- the collectors / arresters 3, 4 may be thin electrically conductive foils (metal foils, plastic foils filled with conductive materials). The connection of these films with the substrate 1 is preferably carried out by cold or hot bonding.
- the collectors / arresters 3, 4 can also be represented by conventional metallization processes (vacuum deposition, sputtering, electrodeposition).
- the cathode 5 ie, the corresponding electrode material
- This application is preferably carried out with the aid of a printable paste.
- the anode 6 ie the corresponding electrode material
- Both the cathode 5 and the anode 6 are electrically contacted with the collectors / arresters 3, 4.
- the electrodes there is a gel-like electrolyte 7, which is fixed with a net structure or a fleece 8.
- the electrolyte 7 with the nonwoven 8 covers the active electrode material of the cathode 5 and the anode 6.
- the substrate 1 and the plastic film 2 form a tightly closing housing for the functional components located between the substrate 1 and the plastic film 2, namely the actual electrodes (5, 3, 6, 4).
- FIG. 2 shows the schematic structure of a galvanic element (battery) in which three individual cells with electrodes lying side by side in pairs (ie, three individual cells according to FIG. 1) are connected to one another via electrically conductive paths (printed conductors 9). Thereby higher voltages can be realized.
- Such series circuits can lead to galvanic elements with voltages of 30 V and higher, which can be produced according to the invention particularly inexpensive and easy.
- FIG. 3 the schematic structure of a galvanic element (battery) is shown in four individual cells (see FIG. 1) with electrodes lying side by side in pairs. These four single cells are connected both in series and in parallel. Through this construction, different total voltages and capacities or load capacities can be achieved.
- Fig. 4 shows schematically a section of the production process according to the invention.
- the galvanic elements according to the invention can be produced endlessly (as shown) on a substrate 12 (carrier tape) in the form of an endless belt or even in multiple rows (not shown).
- the conductor tracks 10 and 11 serving as collectors / arresters are already applied to the substrate 12 prior to the actual production process of the single cell.
- the actual electrodes or the corresponding electrode material are applied to the printed conductors 10 and 11 at the locations provided for this purpose.
- the application of the electrolyte which is stabilized as a gel-like electrolyte with a nonwoven takes place. Due to the reference to FIG.
- both the substrate 12 and the cover sheet 13 can be made of self-adhesive films. This facilitates, on the one hand, the application of the cover film to the single cell which has been completed in each case. On the other hand, it is possible, if appropriate after separation of the individual cells produced, to mount the substrate 12 directly by gluing on, for example, a printed circuit board without additional adhesive.
- plastic films with low gas and water vapor diffusion rate are preferred, d. H. in particular made of PET, PP or PE. If it is intended to heat-seal these films together later, the provided base films can be laminated with a low-melting additional material. Here it can be z. B. to act a hot melt adhesive from a copolymer based on PE.
- the electrolyte is applied in a further process step.
- the electrolyte is preferably a gelatinous paste. This consists, for example, of an aqueous solution of zinc chloride, it being possible for this solution to be completely or partially predried.
- the application of the electrolyte is also preferably carried out by a printing process.
- the electrolyte covers (as shown in Fig. 1) both electrodes over the entire surface.
- the electrolyte may be reinforced and stabilized by a non-woven or net-like material.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005017682A DE102005017682A1 (en) | 2005-04-08 | 2005-04-08 | Galvanic element |
PCT/EP2006/003132 WO2006105966A1 (en) | 2005-04-08 | 2006-04-06 | Electrochemical element |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1872426A1 true EP1872426A1 (en) | 2008-01-02 |
Family
ID=36607544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP06724078A Withdrawn EP1872426A1 (en) | 2005-04-08 | 2006-04-06 | Electrochemical element |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100081049A1 (en) |
EP (1) | EP1872426A1 (en) |
JP (1) | JP2008535194A (en) |
CN (2) | CN101194385B (en) |
DE (1) | DE102005017682A1 (en) |
WO (1) | WO2006105966A1 (en) |
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DE102010018071A1 (en) | 2010-04-20 | 2011-10-20 | Varta Microbattery Gmbh | Printable electrolyte |
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KR102306495B1 (en) * | 2013-12-04 | 2021-09-28 | 가부시키가이샤 한도오따이 에네루기 켄큐쇼 | Power storage unit and electronic device |
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-
2005
- 2005-04-08 DE DE102005017682A patent/DE102005017682A1/en not_active Ceased
-
2006
- 2006-04-06 WO PCT/EP2006/003132 patent/WO2006105966A1/en active Application Filing
- 2006-04-06 CN CN200680020300XA patent/CN101194385B/en not_active Expired - Fee Related
- 2006-04-06 US US11/887,686 patent/US20100081049A1/en not_active Abandoned
- 2006-04-06 CN CN2012103511847A patent/CN103000914A/en active Pending
- 2006-04-06 JP JP2008504684A patent/JP2008535194A/en active Pending
- 2006-04-06 EP EP06724078A patent/EP1872426A1/en not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2006105966A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102005017682A1 (en) | 2006-10-12 |
WO2006105966A1 (en) | 2006-10-12 |
JP2008535194A (en) | 2008-08-28 |
CN103000914A (en) | 2013-03-27 |
US20100081049A1 (en) | 2010-04-01 |
CN101194385A (en) | 2008-06-04 |
CN101194385B (en) | 2013-04-17 |
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