WO2016150740A1 - Bande separatrice cathodique pour pile a combustible enroulee et pile comportant une telle bande separatrice - Google Patents
Bande separatrice cathodique pour pile a combustible enroulee et pile comportant une telle bande separatrice Download PDFInfo
- Publication number
- WO2016150740A1 WO2016150740A1 PCT/EP2016/055429 EP2016055429W WO2016150740A1 WO 2016150740 A1 WO2016150740 A1 WO 2016150740A1 EP 2016055429 W EP2016055429 W EP 2016055429W WO 2016150740 A1 WO2016150740 A1 WO 2016150740A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- strip
- corrugated
- cathodic
- separating
- strips
- 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.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/002—Shape, form of a fuel cell
- H01M8/004—Cylindrical, tubular or wound
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0247—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form
- H01M8/0254—Collectors; Separators, e.g. bipolar separators; Interconnectors characterised by the form corrugated or undulated
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/02—Details
- H01M8/0202—Collectors; Separators, e.g. bipolar separators; Interconnectors
- H01M8/0267—Collectors; Separators, e.g. bipolar separators; Interconnectors having heating or cooling means, e.g. heaters or coolant flow channels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04014—Heat exchange using gaseous fluids; Heat exchange by combustion of reactants
-
- 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
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Definitions
- the present invention relates to a cathodic separator strip for coiled-type fuel cells comprising a complex provided in particular with a tension strip or support strip, a hydrogen conduit, a strip carrying electrochemical cells in series and a separating strip provided. air passage channels transverse to the longitudinal axis of the carrier web of the cells.
- the invention further relates to the fuel cell having such a separator band.
- Examples of coiled fuel cells are described, for example, in EP 1 846 976 B1, EP 2 556 555 B1, WO 2011/124863 A1, WO 2013/164438 A1 and the applications FR13 62685, FR13 62687 and FR13 62689 filed on 16/12/2013 all in the name of the applicant and incorporated herein by reference.
- the present invention proposes to improve the battery in particular to make it more efficient on these two points.
- the present invention proposes a corrugated cathodic separator strip for a fuel cell which comprises a first corrugated strip on a first of its faces and a second corrugated strip on a second of its faces, said corrugated strips being arranged on the opposite faces of a central smooth strip.
- the corrugated strips are advantageously glued or welded to the smooth strip.
- the first corrugated strip intended to be brought into contact with the cathodes of the cell is metallic and covered on the cathode side by an electrical insulating layer.
- the electrical insulating layer is advantageously in the form of a film or a surface coating of the first strip.
- the first corrugated strip intended to be brought into contact with the cathodes of the cell is made of an electrically insulating plastic material.
- This material is advantageously of thermal conductivity adapted to allow sufficient heat dissipation on the cathode side of the cell.
- the smooth strip is advantageously made of steel or an aluminum alloy with a low coefficient of elongation under tension.
- the second corrugated strip intended to be on the face of the separating strip opposite the face in contact with the cathodes is preferably metallic.
- the second corrugated strip may in particular be made of aluminum alloy or steel.
- the materials of the corrugated strips and the corrugations are advantageously adapted to resist crushing or deformation of the corrugations during the winding of the battery and its use.
- the stack of corrugated strips is adapted to resist, in particular by calculating the slopes of the corrugations, a calculation that uses the ratio of the pitch (P) and the height (h), the thickness of the strips and / or the stiffness of the material, at a pressure of 1 to 5 N / mm2.
- the corrugations of the two corrugated strips separated by the central smooth strip advantageously have pitch (Pa, Pc) and / or the different peak / peak heights (ha, hc) to obtain a cooling air flow rate greater than the air flow rate. cathodic reaction.
- the height of the first strip is advantageously chosen between 1 mm and 3 mm.
- the height of the second strip is advantageously chosen between 1 mm and 5 mm.
- the thickness of the smooth strip may in particular be chosen between 0.03 mm and
- the thicknesses of the corrugated strips can be chosen in particular between 0.05 mm and 0.3 mm
- the pitch (Pa) of the first strip is advantageously chosen between 1 mm to 5 mm.
- the pitch (P c ) of the second strip is advantageously chosen between 1 mm to 8 mm.
- the invention furthermore proposes a wound fuel cell comprising a support strip, an H 2 diffusion strip, a carrier strip comprising electrochemical cells and a three-strip corrugated cathodic separation strip of the invention, for which the first corrugated strip , in contact with the cathodes of the cell, makes an air passage at said cathodes and the second strip, in contact with a support strip of the cell, provides a cooling air passage of the cell.
- the corrugations of the first strip on the central strip side also contribute to the cooling air passage of the stack.
- the ratio of cathode feed air flow, passing between the corrugations of the first corrugated strip on the cathode side of the separator strip, on the cooling air flow, passing through the corrugations of the second corrugated strip on the other side central smooth strip and between the corrugations of the first corrugated strip and the central smooth strip, is advantageously less than 1 to obtain a good cooling of the battery without drying the cathodes of the cells.
- FIG. 1 a schematic view of a complex for producing a wound cell of the invention
- FIG. 2 a side view of a segment of a cathodic separation band according to the invention
- Figure 3 an exploded side view of an assembly of a winding mandrel of a battery of the invention
- Figure 4 a view of a detail of the embodiment of a connection subassembly of a battery of the invention
- FIG. 5 a schematic view of a beginning of mandrel winding adapted to the production of a battery according to the invention
- Figure 6 a schematic view of a step of making a termination of a battery according to the invention.
- Figure 7 a schematic view of an exemplary winding machine of a stack of the invention.
- the invention relates to a fuel cell wound from a complex which comprises, as represented in FIG. 1, a support strip 10, an anode insulating strip 20, an H 2 diffusion strip 30, here in the form of a grid, an carrier strip 40, comprising electrochemical cells 41, which is here made with three layers 40a, 40b, 40c.
- the cells are in series on the band and have their anodes A on one side of the band their cathodes K on a second side of the band, a previous anode being electrically connected to a next cathode by interconnection means cells in the form of strips 42 which pass through the band by sealed passages.
- a hydrogen transport pipe is formed between the anode insulating strip 20 and the face carrying the anodes A of the carrier strip 40 by means of shims 5a, 5b along the anodes of the carrier strip and connecting said face and said anodic insulating tape 20.
- the H 2 diffusion band 30 between the anode insulating band 20 and the carrier band of the cells 40.
- the anode insulating strip 20 is separated from the support strip 10 whose function is to regulate the voltage on the cells during winding.
- gluing is done at the winding of these elements on the mandrel during the winding of the stack rather than flat. This makes it possible to avoid the fact that the thickness of the complex causes a difference in length between its outer layer and its inner layer during the winding of the complex.
- the invention proposes a corrugated cathodic separation strip 50 shown in FIG. 2.
- This corrugated strip is located on the cathode side of the carrier strip 40 as represented in FIG. 1.
- the cathodic separating strip comprises two faces. The first face is in contact with the cathodes and carries an air passage at the cathodes of the carrier strip for the operation of the battery. The second face is in contact with the support strip 10 and provides a cooling air passage of the stack.
- the separating strip 50 comprises, according to the invention, three layers consisting of a first corrugated strip 50a on the first side and a second corrugated strip 50c on the second side, the corrugated strips being deposited and glued or welded on opposite sides of a central smooth strip 50b to prevent slippage between the layers and the crushing of the strips by deformation of the corrugations.
- the three strips are metallic.
- the smooth strip is made of steel or an aluminum alloy having a low coefficient of extension under longitudinal traction.
- the corrugated strip 50c on the face in contact with the support strip 10 is for example made of aluminum alloy to allow good dissipation of the heat produced by the battery and a good heat exchange with the air circulating between the convective corrugations , suction or blowing.
- the corrugated strip 50a in contact with the cathodes is also metallic, it is covered by an electrical insulating layer 500 in the form of a film or a surface coating so as not to create a short circuit between these cathodes.
- the corrugated strip 50a on the cathode side may be a strip made of an electrically insulating plastic material but still offering sufficient thermal conduction to cool the cathode face of the cell.
- the materials used for the corrugated strips must also be sufficiently strong to avoid crushing or deformation of the corrugations during the winding of the battery and its use.
- This constitution of the three-layer corrugated separator strip has several advantages.
- the separating strip 50 in the first place, can not crush and is rendered virtually incompressible under the pressures obtained during the winding of the stack because the two corrugated strips 50a, 50c are press against the central smooth strip 50b which prevents them from crashing by spring effect at the corrugations.
- the central smooth strip also prevents the separating strip from lengthening due to the elasticity of the corrugated strip during the winding operation of the stack.
- cooling air flow / cathodic air flow allows a significant cooling air flow while limiting the flow of cathodic air not to dry the cells.
- the pitch P has corrugations of the strip 50a in contact with the cathodes will be chosen small enough to achieve several lines of contact with the latter, to increase the support surface of the strip on the cathodes and to ensure good compression of the cells between the support strip 10 and the corrugated separating strip.
- the ratio of the pitch P has corrugations of the strip 50a in contact with the cathodes on the pitch P b of the corrugations of the strip 50c on the support strip side can be less than or equal to 1.
- the height h is for example defined between 1mm and 3mm whereas the height h b is defined between 1mm and 5mm.
- the thickness E of the smooth strip is of the order of 0.03 mm to 0.3 mm.
- the thicknesses of the corrugated strips being of the order of 0.05mm to 0.3mm.
- the pitch P a of the strip 50a is of the order of 1mm to 5mm, the pitch P c of the strip 50c being 1mm to 8mm.
- the goal is to obtain a sufficient minimum cooling and air flow rate for the electrochemical reaction while offering sufficient strength of the strip to withstand crushing stresses during winding and withstand the effects of thermal expansion of the materials. in use.
- the thicknesses of the corrugated straps, the shape of the corrugations and the material used must allow the corrugated straps to withstand a pressure of 1 to 5 N / mm 2 applied on the opposite sides of the separating strip.
- the stack is wound from a central mandrel shown in exploded form in FIG. 3.
- the support strip 10 fixed to a central holding flange 11 will be the core of the winding and will be secured to the winding axis of the winding. stack by the holding flange.
- the central mandrel comprises a first subassembly 200 which comprises the holding flange 11 possibly in two parts for trapping the beginning of the support strip 10.
- the mandrel comprises, above the holding flange, a second subassembly 300 which comprises a compartment module H 2 / electrical connection 70 comprising a hydrogen splitter fluid coupling device H 2 60 for supplying hydrogen into a sealed channel of the battery anode side and a first electrical contact 61 for connecting a first electrode of the battery, anode or cathode.
- the compartment module H 2 / electrical connection 70 receives a first end end of the anode insulating strip 20, a first end of the diffusion band H 2 and a first end of the carrier strip 40 of the cells, as shown in FIG. , where the layers are shown apart for the purpose of the drawing, whereas they are actually assembled and glued tightly on the fluidic connection device for producing the sealed channel carrying the hydrogen to the anodes of the cell.
- the H 2 diffusion band 30 and the anodic insulating strip 20, with its shims 5a, 5b around the diffusion band H 2 are positioned in front of a hydrogen distribution light 62 shown in dotted lines to start the channel. which will be realized between the carrier band and the anodic insulating band, this channel containing the H 2 diffusion band.
- the lumen 62 is part of the fluidic splitter device H 2 60 which receives, for example, a nozzle to which a hydrogen delivery tube (not shown) is connected.
- a pressing device such as, for example, rolls 1200a, 1200b helps to bond the layers of the hydrogen channel.
- the mandrel comprises a third subassembly 400 comprising a cathode support element 74 on which the corrugated cathodic separation band 50 is fixed, for example by means of staples or other means. fasteners such as pins inserted into holes at the end of the band.
- the second 300 and third 400 subassemblies are assembled on either side of the first subassembly 200 to form the mandrel around which the stack is wound and the support strip is fixed to the center of the winding so as to ensure and check the tension of the winding.
- the outer surface of the first subassembly comprising the compartment module H 2 / electrical connection, and the third subassembly are complementary to form the surface of the winding mandrel of the battery.
- the various constituent parts of the mandrel may be glued together or include assembly means such as clips carried by some of the elements snapping into housings made in other elements.
- FIG. 5 illustrates the positioning of the assembly 63, a complex group comprising the carrier strip 40, the H 2 diffusion band 30 and the anodic insulating strip 20 with its shims 5a, 5b; the positioning of the support strip 10 and the positioning of the strip corrugated cathode separator 50 around the mandrel.
- the mandrel which according to this figure has performed 3/4 of a turn, has recesses 81, 82 and 83 to catch:
- the thickness of the corrugated separating strip 50 schematized in the figure according to its envelope, for the recess 82 and,
- This form of mandrel having recesses allows to obtain from the beginning of the winding of the stack a homogeneous winding and regular thickness.
- FIG. 6 schematically shows the connection of a second compartment module H 2 / electrical connection 310 for terminating the stack.
- This module 310 for terminating the wound battery allows the electrical connection of the end of the battery and allows the hydrogen channel to be terminated.
- This device comprises in the same manner as the compartment module H 2 / electrical connection 70 from the beginning of the stack a hydrogen collecting light in communication with a second fluid connection device 60 '.
- the second compartment module H 2 / electrical connection 310 is provided with a curved underside conforming to the surface of the end of the stack and a curved upper face on which end towers of the stack will rest.
- the anodic insulating tape 20, H 2 diffusion tape 30 and carrier tape 40 are cut off at an end station of the battery terminator which has said second module before being connected to this battery terminating device.
- the connection is made while maintaining the tightness of the channel H 2 which is placed in communication with the fluid connection device 60 'while the last cell of the strip is electrically connected to a second electrical contact 61'. Once the connection is made, the tape terminations and the second module apply to the wound cell.
- the corrugated separating strip is then cut off so as to be applied to the end of the apparent carrier belt 40 and one or more additional turns of the support strip 10 are made to consolidate and protect the stack, then the support strip 10 is cut and its end is for example glued to the outside of the stack.
- An example of a machine for manufacturing coiled fuel cells for winding the battery of the invention is shown schematically in FIG.
- the machine comprises a central winding device 100, strip feeders 1010, 1020, 1030, 1040, 1050 angularly distributed around the central winding device and work stations 1110, 1120, 1130 on the strips between the reels and the device central winding.
- the reels are voltage controlled to allow a regular winding of the various layers of the stack, the reel 1010 distributing the support foil being voltage controlled depending on the rotation of the winding device to ensure the constant compression on the layers of the carrier tape cells.
- winders 1021, 1041 and 1051 are provided.
- a first workstation 1110 comprises means 1110a for laying the holding flange on the support roll 10 and means 1110b for cutting the end of said roll.
- a second workstation 1120 comprises means 1120a on the one hand assembly of the first subassembly 300 to make the electrical connection and the connection H 2 of the battery core and secondly assembly of the second compartment module H 2 / Electrical connection 310 to make the end of battery connection.
- This station further comprises cutting means 1120b of the anodic insulating strip 20, H 2 diffusion band 30 and carrier strip 40 at the completion of the stack.
- a third workstation 1130 comprises means 1130a for producing the third subassembly with the corrugated cathodic separating band 50 and cutting means 1130b for cutting the separating band at the end of the band.
- the angular positioning of the unwinders 1010, 1020, 1030, 1040 and 1050 with respect to the central station is determined to ensure space for the intermediate workstations, a station for assembling the connection devices at the beginning and end of the stack. , cutting stations of the strips and strips constituting the stack and assembly station of the conduit in contact with the winding positioned to ensure that the gluing of the carrier strip and the conduit H 2 is made on the point of contact with the mandrel.
- the winding 600 is performed on the number of turns required to obtain the desired voltage of the battery.
- the bands to be positioned are unrolled whereas a controlled tension of the support strip by a regulator of the tension 1100 slaved with respect to the radius of the mandrel makes it possible to apply a homogeneous pressure on the electrodes carried by the support strip so that the Electrochemical cells are compressed between the support strip 10 and the corrugated strip 50 to improve electrical contact between the layers of the electrochemical cells and to increase the efficiency of the cell.
- the support strip acts here as a compression strip.
- the cathodic separator strip forming a support strip for the cells compressed by the support strip.
- a sensor such as an optical sensor or a contact detector as represented diagrammatically under the reference 1001 in FIG. 7 continuously measures the radius of the battery during winding and slaving.
- the motor driving the mandrel at the winder 1000 and the resistive force applied by the brake device 1100 to the unwinder 1010 of the support strip 10.
- the reel 1000 and unwinder 1010, unwinder of the support strip 10 are set to achieve the voltage of the winding of the battery as seen above.
- the unwinders 1020, 1030, 1040 respectively unwinding of the anodic insulating strip 20 equipped with shims 21, the H 2 diffusion band 30 and the carrier strip 40 are set to keep these strips sufficiently taut during winding for correctly guide them, avoid homogeneity defects of the winding, ensure the proper assembly of the constituent parts of the hydrogen pipe and maintain the thickness of the hydrogen pipe constant.
- the unwinder 1050 adjusts the tension of the corrugated cathodic splitter strip.
- the support strip 10 and the corrugated cathodic separation strip 50 are made of thermal conductive materials adapted to be wound and preferably metal materials to prevent any extension of these elements during winding.
- the anodic insulating strip 20 is advantageously produced by means of a plastic film that is not very extensible, such as for example a polyimide or aramid film, the H 2 diffusion band is in particular made of plastic material and comprises in the form of of a wide mesh fabric or a grid which may comprise weft yarns and warp yarns, the carrier web 40 is a multilayer complex.
- a plastic film that is not very extensible such as for example a polyimide or aramid film
- the H 2 diffusion band is in particular made of plastic material and comprises in the form of of a wide mesh fabric or a grid which may comprise weft yarns and warp yarns
- the carrier web 40 is a multilayer complex.
- the pitch of the undulations of the corrugated strips can be adapted according to the cooling or cathodic airflow requirements.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel Cell (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1552304 | 2015-03-20 | ||
| FR1552304A FR3033940B1 (fr) | 2015-03-20 | 2015-03-20 | Bande separatrice cathodique pour pile a combustible enroulee et pile comportant une telle bande separatrice |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016150740A1 true WO2016150740A1 (fr) | 2016-09-29 |
Family
ID=53483962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2016/055429 Ceased WO2016150740A1 (fr) | 2015-03-20 | 2016-03-14 | Bande separatrice cathodique pour pile a combustible enroulee et pile comportant une telle bande separatrice |
Country Status (2)
| Country | Link |
|---|---|
| FR (1) | FR3033940B1 (fr) |
| WO (1) | WO2016150740A1 (fr) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009142994A1 (fr) * | 2008-05-21 | 2009-11-26 | Ballard Power Systems Inc. | Plaque séparatrice bipolaire composite pour pile à combustible refroidie à l'air |
| EP1846976B1 (fr) | 2005-01-17 | 2010-06-30 | Pierre Forte | Convertisseur electrochimique compact |
| WO2011124850A1 (fr) * | 2010-04-08 | 2011-10-13 | Pragma Industries | Bandelettes de liaison d'anodes et de cathodes d'un convertisseur electrochimique et convertisseur le comprenant |
| WO2011124863A1 (fr) | 2010-04-08 | 2011-10-13 | Pragma Industries | Convertisseur electrochimique perfectionne |
| WO2013164438A1 (fr) | 2012-05-03 | 2013-11-07 | Pragma Industries | Dispositif de raccordement de pile a combustible et pile a combustible equipee d'un tel dispositif |
| FR3015117A1 (fr) | 2013-12-16 | 2015-06-19 | Pragma Ind | Structure de convertisseur electrochimique enroule perfectionnee avec textile permeable de protection de cathodes |
| FR3015119A1 (fr) | 2013-12-16 | 2015-06-19 | Pragma Ind | Structure de convertisseur electrochimique enroule perfectionne |
| FR3015120A1 (fr) | 2013-12-16 | 2015-06-19 | Pragma Ind | Structure de convertisseur electrochimique enroule perfectionnee avec grille anodique |
-
2015
- 2015-03-20 FR FR1552304A patent/FR3033940B1/fr not_active Expired - Fee Related
-
2016
- 2016-03-14 WO PCT/EP2016/055429 patent/WO2016150740A1/fr not_active Ceased
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1846976B1 (fr) | 2005-01-17 | 2010-06-30 | Pierre Forte | Convertisseur electrochimique compact |
| WO2009142994A1 (fr) * | 2008-05-21 | 2009-11-26 | Ballard Power Systems Inc. | Plaque séparatrice bipolaire composite pour pile à combustible refroidie à l'air |
| WO2011124850A1 (fr) * | 2010-04-08 | 2011-10-13 | Pragma Industries | Bandelettes de liaison d'anodes et de cathodes d'un convertisseur electrochimique et convertisseur le comprenant |
| WO2011124863A1 (fr) | 2010-04-08 | 2011-10-13 | Pragma Industries | Convertisseur electrochimique perfectionne |
| EP2556555B1 (fr) | 2010-04-08 | 2014-03-19 | Pragma Industries | Bandelettes de liaison d'anodes et de cathodes d'un convertisseur electrochimique et convertisseur le comprenant |
| WO2013164438A1 (fr) | 2012-05-03 | 2013-11-07 | Pragma Industries | Dispositif de raccordement de pile a combustible et pile a combustible equipee d'un tel dispositif |
| FR3015117A1 (fr) | 2013-12-16 | 2015-06-19 | Pragma Ind | Structure de convertisseur electrochimique enroule perfectionnee avec textile permeable de protection de cathodes |
| FR3015119A1 (fr) | 2013-12-16 | 2015-06-19 | Pragma Ind | Structure de convertisseur electrochimique enroule perfectionne |
| FR3015120A1 (fr) | 2013-12-16 | 2015-06-19 | Pragma Ind | Structure de convertisseur electrochimique enroule perfectionnee avec grille anodique |
Also Published As
| Publication number | Publication date |
|---|---|
| FR3033940A1 (fr) | 2016-09-23 |
| FR3033940B1 (fr) | 2017-03-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3050138B1 (fr) | Procédé de réalisation d'un faisceau électrochimique d'un accumulateur au lithium | |
| EP2715857B1 (fr) | Procede semi-automatique de realisation d'un accumulateur electrochimique li-ion | |
| FR3037724A1 (fr) | Procede de realisation d'un faisceau electrochimique d'accumulateur au lithium avec pliage ou enroulement des extremites de feuillard sur elles-memes | |
| EP2556553B1 (fr) | Convertisseur electrochimique perfectionne | |
| EP3430669B1 (fr) | Procédé et machine de fabrication d'une pile à combustible enroulée | |
| EP3311433A1 (fr) | Procede de realisation d'un faisceau electrochimique d'accumulateur metal-ion avec mousse metallique aux extremites de feuillards | |
| FR3096927A1 (fr) | Film conducteur composite pour la réalisation d'accumulateurs d'énergie électrique, procédé de réalisation d'un tel film, et accumulateur électrique utilisant un tel film. | |
| JP2023518695A (ja) | 単位セルの製造装置および方法 | |
| WO2016150740A1 (fr) | Bande separatrice cathodique pour pile a combustible enroulee et pile comportant une telle bande separatrice | |
| EP3114718B1 (fr) | Procédé de fabrication d'une cellule électrochimique élémentaire à électrode à gaz du type métal-gaz et cellule associée | |
| FR2849284A1 (fr) | Dispositif de realisation d'ensembles de stockage d'energie comprenant des moyens de collage ameliores de fin d'enroulement | |
| EP3084868B1 (fr) | Structure de convertisseur electrochimique enroule perfectionne | |
| CA3062030A1 (fr) | Procede d'assemblage pour pile a combustible | |
| FR3125639A1 (fr) | Cellule pour dispositif de stockage d’énergie électrique et procédé de fabrication d’une telle cellule | |
| EP3327819B1 (fr) | Accumulateur metal-ion a empilement d'electrodes, a forte densite d'energie et a forte capacite | |
| EP1590817B1 (fr) | Four dynamique pour machine a bobiner des films | |
| FR3015117A1 (fr) | Structure de convertisseur electrochimique enroule perfectionnee avec textile permeable de protection de cathodes | |
| FR3125641A1 (fr) | Cellule pour dispositif de stockage d’énergie électrique et procédé de fabrication d’une telle cellule | |
| FR3125640A1 (fr) | Cellule pour dispositif de stockage d’énergie électrique et procédé de fabrication d’une telle cellule | |
| WO2016075608A1 (fr) | Pile a combustible planaire et procede de fabrication d'au moins une partie d'une telle pile | |
| FR3015120A1 (fr) | Structure de convertisseur electrochimique enroule perfectionnee avec grille anodique | |
| FR3125642A1 (fr) | Cellule pour dispositif de stockage d’énergie électrique et procédé de fabrication d’une telle cellule | |
| EP2892807A1 (fr) | Panneau raidi et son procédé de fabrication | |
| WO2018203009A1 (fr) | Preassemblage d'elements pour la fabrication d'un assemblage membrane / electrodes | |
| WO2015091286A1 (fr) | Structure de convertisseur electrochimique enroule perfectionnee avec grille anodique |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16709792 Country of ref document: EP Kind code of ref document: A1 |
|
| WPC | Withdrawal of priority claims after completion of the technical preparations for international publication |
Ref document number: 1552304 Country of ref document: FR Date of ref document: 20170803 Free format text: WITHDRAWN AFTER TECHNICAL PREPARATION FINISHED |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 16709792 Country of ref document: EP Kind code of ref document: A1 |