WO2014154347A1 - Convertisseur d'énergie électrochimique et son procédé de fabrication - Google Patents

Convertisseur d'énergie électrochimique et son procédé de fabrication Download PDF

Info

Publication number
WO2014154347A1
WO2014154347A1 PCT/EP2014/000790 EP2014000790W WO2014154347A1 WO 2014154347 A1 WO2014154347 A1 WO 2014154347A1 EP 2014000790 W EP2014000790 W EP 2014000790W WO 2014154347 A1 WO2014154347 A1 WO 2014154347A1
Authority
WO
WIPO (PCT)
Prior art keywords
energy converter
electrochemical energy
connection points
recess
welds
Prior art date
Application number
PCT/EP2014/000790
Other languages
German (de)
English (en)
Other versions
WO2014154347A8 (fr
Inventor
Erhard SCLETTERER
Roland Weixler
Original Assignee
Li-Tec Battery Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Li-Tec Battery Gmbh filed Critical Li-Tec Battery Gmbh
Publication of WO2014154347A1 publication Critical patent/WO2014154347A1/fr
Publication of WO2014154347A8 publication Critical patent/WO2014154347A8/fr

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
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • 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
    • 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
    • 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 an electrochemical energy converter, hereinafter also referred to as converter and a method for producing an electrochemical energy converter.
  • the invention is preferably described in the context of lithium-ion batteries for the supply of motor vehicle drives. It should be noted that the invention can also be used independently of the chemistry of the transducer and regardless of the type of powered drive.
  • electrochemical energy converter in the context of the present invention, hereinafter also referred to as converter, each means for the conversion of energy to be understood, which can convert chemical energy into electrical energy and / or electrical energy into chemical energy.
  • electrochemical energy converters in the context of the present invention are in particular electrochemical
  • Energy storage can convert electrical energy into chemical energy and recharge the chemical energy storage in this way.
  • a fuel cell is a galvanic cell, which is the chemical
  • Reaction energy of a continuously supplied fuel and an oxidizing agent converts into electrical energy.
  • a fuel cell is not an energy storage but only a converter. The energy for power production is supplied to a fuel cell in chemically bound form with the fuels. Like an electrochemical energy storage also has a
  • Fuel cell electrodes which are separated by a semipermeable for (certain) ions permeable membrane and / or an electrolyte.
  • the electrode plates of fuel cells usually consist of metal or carbon nanotubes. They are coated with a catalyst, for example platinum or palladium.
  • the energy provides a reaction of oxygen with a fuel, such as hydrogen or organic compounds such. As methane or methanol may exist. Both reactants are fed continuously via the electrodes.
  • An electrochemical energy store has one or more galvanic cells.
  • fuel cells which are also referred to as tertiary cells
  • a distinction between primary cells and secondary cells in electrochemical energy storage Primary cells are colloquially often referred to as "battery”. Their discharge is irreversible and the primary cell can no longer be charged electrically. Secondary cells are colloquially referred to as an accumulator or short battery. After a discharge secondary cells can be recharged by a opposite direction opposite to the discharge current direction again. The chemical processes in the cell run, limited by the number of memory cycles, reversible. The energy density of secondary cells is compared to
  • This core region contains at least one electrically conductive third material.
  • Current conductor further has a first surface area with at least a first material. Furthermore, the current collector has a second
  • DE 10 2009 010 147 discloses an electrochemical energy store having a substantially flat housing and at least two electrical conductors of opposite electrical polarity. In order to dissipate the energy stored in the galvanic cell, the conductors or the housing are designed such that the absorbers are accessible from the outside for electrical contacts via window-shaped recesses of the housing arranged essentially in planes parallel to the flat housing surface of the cell. It is an object of the invention to provide an improved transducer which can be manufactured as simply and inexpensively as possible.
  • An inventive electrochemical energy converter has a plurality of electrodes and at least one current conductor, which is located in the
  • the current collector has in the longitudinal direction between them
  • an electrochemical energy converter according to the invention has a plurality of electrodes and at least one current conductor, which is electrically conductively connected to a plurality of these electrodes.
  • This current collector has a plurality of welds, at least some of which
  • Stromableiters are partially separated when receiving at least one electrically conductive connection between these connection points.
  • the current collector as metallic sheets, particularly preferably of highly electrically conductive metals such as copper or aluminum or as composite materials or
  • Energy converter in the generation of at least one of these welds can be avoided or reduced by this at least one recess.
  • a welding point in the sense of the present invention is intended to be understood to mean any location on the surface of a component to which this component is or is connected in a materially bonded manner to another component.
  • Important examples of such welds are
  • Cohesive connections are all compounds in which the connection partners are held together by atomic or molecular forces. They are consistently not solvable
  • a welding process in the sense of the present invention is to be understood as meaning any process for the cohesive connection or joining of two components, that is to say in particular brazing, gluing or welding.
  • the at least one current conductor is electrically conductively connected via a plurality of welds to a plurality of collector lugs, each of which is electrically connected to an electrode.
  • Embodiments of the invention have the advantage that electrical, mechanical and / or thermal influences between different electrodes can be avoided or reduced even more effectively if current conductors are electrically conductively connected via a plurality of welds to a plurality of collector vanes, each of which is electrically connected to an electrode. It has been shown that undesired electrical, mechanical and / or thermal influences between different electrodes are the lower the longer the connection paths between the electrodes are configured.
  • Stromableiters are partially separated when receiving at least one electrically conductive connection between these connection points.
  • These preferred embodiments of the invention have the advantage that electrical, mechanical and / or thermal influences between different electrodes can be avoided or reduced even more effectively if each arrester lug is connected to the current collector via its own welding point, that of other welds Stromableiters by at least one recess in the material of
  • Stromableiters are partially separated when receiving at least one electrically conductive connection between these connection points. It has been shown that unwanted electrical, mechanical and / or thermal influences between different electrodes are the lower, the longer the connection paths between a weld and such electrodes are designed, the other welds with a
  • the at least one current conductor is designed as a metallic sheet having a plurality of parallel recesses. These preferred embodiments of the invention are associated with the advantage that a space-saving arrangement of the recesses is possible, which has the lowest possible electrical resistance between electrodes and
  • the length of at least one of these recesses is greater than twice the distance, preferably three times the distance, and more preferably four times the distance between two of these recesses.
  • These preferred embodiments of the invention have the advantage that as long as possible connecting paths between different electrodes can be realized, this goal being achieved the better, the greater the ratio between the length of a recess and the distance of the recesses from each other.
  • Some of these preferred embodiments of the invention provide that at least two of these recesses have a different length.
  • These preferred embodiments of the invention have the advantage that special requirements for mechanical stability, In particular, the flexural rigidity of a Stromableiters in connection with the inventive solution can be easily met.
  • Material recess is designed, whose width is small compared to their length.
  • At least one recess surrounds a weld annularly, this ring being interrupted by at least one electrically conductive bridge.
  • These preferred embodiments of the invention have the advantage that even more effective prevention or reduction of electrical, mechanical and / or thermal influences between different electrodes or between adjacent welds on a current conductor is possible.
  • at least one recess (22) partially separates at least two connection points, in particular welds, from one edge line (25) when at least one electrically conductive connection is obtained between these connection points.
  • the Stromableiters, in which this recess (23) opens are each smaller than the length (26), preferably as twice the length and particularly preferably as three times the length of this recess (23).
  • the current conductor is substantially plate-shaped and formed with at least one substantially rectangular first lateral surface.
  • the lateral surface is bounded by a first edge line and a second edge line, wherein the edge lines are arranged substantially parallel to each other.
  • An imaginary center line M extends between the first and the second edge line, has in each case at substantially the same distance to these edge lines and divides the first lateral surface and two substantially equal sections, hereinafter called the first lateral surface portion and second lateral surface portion.
  • the first lateral surface portion is bounded by the first edge line and this center line.
  • welds are arranged in the first lateral surface portion. These one or more recesses extend from the first
  • Edge line substantially perpendicular to this center line over most of the width of the first lateral surface portion, preferably starting from the first edge line across the center line to the second
  • Embodiments provide that the ratio q of the length of at least one of these recesses, measured perpendicular to the center line, divided by the distance between the first edge line and the second edge line more than 0.6, more preferably more than 0.75, more preferably less than 0.9.
  • Embodiments provide that the ratio r of the width of one of these recesses measured parallel to the center line divided by the width of a portion of the current collector between two of these recesses is less than 1/3, more preferably less than 0.2, more preferably less as 0.1, more preferably more than 0.01. These preferred developments are associated with the advantage that the part or surface area of the first lateral surface section available for connection points is reduced as little as possible by the recesses. These preferred developments can be advantageously combined with the aforementioned preferred developments.
  • Some such or further preferred embodiments of the invention provide that at least one recess separates two groups of welds. These preferred embodiments of the invention have the advantage that the electrical resistance between
  • Electrodes and a current collector can be reduced even more effectively when adjacent welds are grouped together on a current collector, which are partially separated by a recess upon receipt of at least one electrically conductive connection between these joints, wherein the welds within a group preferably not through recesses are separated from each other.
  • Some such or further preferred embodiments of the invention provide that at least one weld has been produced by a friction welding process. These preferred embodiments of the invention have the advantage that the expense of their production at high quality at the same time can be kept low. By largely avoiding or reducing electrical, mechanical and / or thermal influences between different electrodes or between adjacent welds on a current conductor can
  • Reibsch tendencies be used for the production of inventive products, without any loss of quality of the manufactured products are to be feared.
  • Some such or further preferred embodiments of the invention provide that at least one weld has been produced by an ultrasonic welding process. These preferred embodiments of the invention have the advantage that the cost of their production can be kept very low while maintaining high quality. By largely avoiding or reducing electrical, mechanical and / or thermal influences between different electrodes or between adjacent welds on a current conductor can
  • Ultrasonic welding process for the production of inventive products are used without any loss of quality of the manufactured products are to be feared.
  • Some such or further preferred embodiments of the invention provide that at least some welds are separated from each other by at least one recess in the material of the current collector that electrical, mechanical and / or thermal effects between different welds and / or between them
  • the at least one electrode assembly is provided to convert at least temporarily chemical energy into electrical energy.
  • the at least one electrode assembly is provided, at least temporarily supplied electrical energy to convert into chemical energy.
  • Electrodes of an electrode assembly are preferably separated by a separator, which is preferably not or only poorly electron-conducting and has an at least partially material-permeable carrier.
  • the support is preferably coated on at least one side with an inorganic material.
  • an organic material is preferably used, which is preferably designed as a non-woven fabric.
  • the organic material which preferably contains a polymer and more preferably a polyethylene terephthalate (PET), is an inorganic, preferably ion-conducting
  • Coated material which is more preferably ion conducting in a temperature range of - 40 ° C to 200 ° C.
  • the inorganic material preferably contains at least one compound from the group of oxides, phosphates, sulfates, titanates, silicates, aluminosilicates with at least one of the elements Zr, Al, Li, particularly preferably zirconium oxide.
  • zirconium oxide serves the material integrity, nanoporosity and flexibility of the separator.
  • the inorganic, ion-conducting material has particles with a largest
  • these recesses are recesses in the material of the current conductor, particularly preferably linear incisions in the preferably sheet-like material of the
  • a current conductor in the context of the invention is to be understood a device of a transducer, which in particular the conduction of electrons between one of the electrodes of the electrode assembly and the environment of the transducer, in particular a consumer, or between one of the electrodes and an adjacent transducer serves.
  • the current conductor is indirectly or directly electrically connected to one of the electrodes of the electrode assembly, preferably materially connected.
  • the current conductor is at least indirectly to one
  • connection of an electrode to a consumer is sometimes also referred to as a current-conducting device in the sense of this invention.
  • the current conductor has a first region which extends into the environment of the transducer and serves to electrically connect the transducer to the environment of the transducer.
  • the first region is formed as a metal plate or as a plate with a metallic coating, preferably of copper and / or aluminum.
  • This embodiment has the advantage that a mechanically stable, substantially flat surface is present for easy and / or as long as possible electrical connection to a connection device.
  • the current conductor preferably has a second region, which is preferably arranged inside the transducer. The second region is electrically connected to at least one electrode of the electrode assembly, preferably with a material fit, preferably with all electrodes of the same polarity.
  • any device is to be understood, which is adapted to electrically connect a current conductor with at least one electrode.
  • Connection is preferably cohesive, particularly preferably by means of Friction welding or ultrasonic welding.
  • Component of a converter according to the invention in which a connection of at least two components of the transducer by a
  • Welding process preferably by a friction welding process, particularly preferably carried out by an ultrasonic welding process.
  • a current conductor is as
  • This embodiment offers the advantage of lower manufacturing costs.
  • This refinement has the further advantage that the current conductor in the first region is mechanically sufficiently stable for connection to a connection device which does not belong to the converter, for example busbar, current band or
  • Power cable is formed.
  • the current conductor is the current conductor with a contact surface formed.
  • This contact surface is vorzugswese arranged substantially in a lateral surface of one of the housing parts of a cell housing or extends into the environment of the transducer.
  • the contact surface is provided for electrical connection to a preferably spring-loaded connection device. This embodiment has the advantage that the contact surface for transport or storage of the transducer can be covered with an insulating adhesive strip.
  • a cell housing in the sense of the invention means a device, which preferably • serves to limit the electrode assembly to the environment,
  • the electrode assembly is substantially gas tight
  • the cell housing surrounds the electrode assembly at least in regions, preferably completely or substantially completely.
  • the cell housing, as well as the electrode assembly is substantially
  • the cell housing preferably surrounds the electrode assembly such that at least one wall of the cell housing exerts a force on the electrode assembly, the force counteracting undesirable relative movement of the electrode assembly with respect to the cell housing.
  • the cell housing receives the electrode assembly in a form-fitting and / or non-positive manner.
  • the cell housing is electrically isolated from the environment.
  • the cell housing is electrically insulated from the electrode assembly.
  • At least one current conductor has at least one
  • the contacting region is arranged in an edge region of the first housing part.
  • Electrode connection area formed cohesively, more preferably by means of a friction welding or ultrasonic welding process.
  • At least one current conductor in particular in its second region on a plurality of Ableiterfahen.
  • These multiple collector lugs are preferably connected to the electrode of an electrode assembly designed as an electrode winding, or with a plurality of electrodes of the same polarity of an electrode assembly formed as an electrode assembly preferably cohesively.
  • the Ableiterfahen same polarity are preferably cohesively connected to the current conductor in the interior of the cell housing. This current conductor preferably also extends into the first area outside the cell housing.
  • the current conductor is connected to the first housing part, preferably in the edge region preferably cohesively.
  • the current conductor extends through the second polymer material in the edge region of the first housing part. So in a first
  • the converter is provided for installation in a vehicle with at least one electric motor.
  • the converter is provided for supplying this electric motor.
  • the converter is provided to supply at least temporarily an electric motor of a drive train of a hybrid or electric vehicle.
  • the electric motor The electric motor.
  • the converter is intended for use in a stationary battery, in particular in one
  • Buffer storage as a device battery, industrial battery or starter battery.
  • the rated charging capacity of the converter is for these reasons.
  • the at least one separator which is not or only poorly electron-conducting, but is conductive for ions, consists at least predominantly or completely of a ceramic, preferably of an oxide ceramic. This embodiment offers the advantage that durability of the electrode assembly is improved at temperatures above 100 ° C.
  • FIG. 1 shows schematically a first preferred embodiment of a product according to the invention
  • Fig. 2 shows schematically a second preferred embodiment of a product according to the invention
  • FIG. 3 shows schematically a third preferred embodiment of a product according to the invention
  • Fig. 4 shows schematically a fourth preferred embodiment of a product according to the invention
  • FIG. 5 schematically shows a fifth preferred embodiment of a product according to the invention.
  • FIG. 6 schematically shows a sixth preferred embodiment of a product according to the invention.
  • FIG. 7 shows schematically a seventh preferred embodiment of a product according to the invention.
  • FIG. 8 schematically an eighth preferred embodiment of a product according to the invention
  • Fig. 9 in a schematic way a ninth preferred embodiment of a product according to the invention.
  • a current collector (1, 2) which extends substantially in a longitudinal direction and thus has a longitudinal direction of extension (LR).
  • LR longitudinal direction of extension
  • Cross-sectional areas (QF1) are larger, and in particular significantly larger than these second cross-sectional areas (QF2), at least in the case of a number of connection points arranged adjacent to one another.
  • inventive electrochemical energy converter has two
  • Stromableiters 2 is separated by a recess 12 of the welds 7 and 8 of this Stromableiters.
  • the possibly existing welds for connecting the current collectors 10 and 1 1 with the Ableitfähnchen 14 and 15 are in the figure 4 not shown. Also in this embodiment will be
  • the recesses have a length which exceeds a multiple, in particular twice, three times or even four times their width.
  • Figure 7 shows a current conductor of an embodiment of a
  • FIG. 8 shows an exemplary embodiment in which the weld 7 is surrounded by an annular arrangement of recesses 21.
  • Figure 9 shows a current conductor of an embodiment of a
  • Recess (22) two connection points, in particular welds on receipt of at least one electrically conductive connection between these connection points partially separated from each other whose distances (23, 24) from that edge line (25) of the Stromableiters, in which this recess (23) opens, respectively smaller are as the length (26), preferably twice the length and more preferably three times the length of this recess (23).
  • the distance of a connection point from an edge line of the current conductor is preferably given by the distance (27) of a point (28) of this connection point from this edge line (25) whose distance from this boundary line is greater than or equal to the distance of all other points of this junction from this boundary line.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

L'invention concerne un convertisseur d'énergie électrochimique pourvu d'une pluralité d'électrodes et d'au moins un dérivateur de courant (1, 2) lequel s'étend sensiblement dans une direction longitudinale, présentant ainsi une direction d'étendue longitudinale (LR), et lequel est connecté électriquement à plusieurs desdits électrodes. Ledit dérivateur de courant est pourvu d'une pluralité de points de liaison, s'agissant notamment de points de soudure (4, 5, 6, 7), lesquels y sont disposés de manière à être espacés l'un de l'autre dans la direction d'étendue longitudinale. Sur lesdits points de liaison, le dérivateur de courant comporte de premières surfaces de section transversale (QF1) ayant une orientation perpendiculaire par rapport à la direction d'étendue longitudinale. Entre les points de liaison, le dérivateur de courant comporte dans la direction d'étendue longitudinale de deuxièmes surfaces de section transversale (QF2). Au moins chez un certain nombre de points de liaisons qui sont voisins les uns des autres, les premières surfaces de section transversale (QF1) sont d'une taille supérieure, et notamment d'une taille considérablement supérieure, par rapport aux deuxièmes surfaces de section transversale (QF2).
PCT/EP2014/000790 2013-03-27 2014-03-24 Convertisseur d'énergie électrochimique et son procédé de fabrication WO2014154347A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013005421.4A DE102013005421A1 (de) 2013-03-27 2013-03-27 Elektrochemischer Energiewandler und Verfahren zu seiner Herstellung
DE102013005421.4 2013-03-27

Publications (2)

Publication Number Publication Date
WO2014154347A1 true WO2014154347A1 (fr) 2014-10-02
WO2014154347A8 WO2014154347A8 (fr) 2014-12-31

Family

ID=50486882

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/000790 WO2014154347A1 (fr) 2013-03-27 2014-03-24 Convertisseur d'énergie électrochimique et son procédé de fabrication

Country Status (2)

Country Link
DE (1) DE102013005421A1 (fr)
WO (1) WO2014154347A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102529853B1 (ko) 2015-08-03 2023-05-08 엘지전자 주식회사 진공단열체, 진공단열체의 제조방법, 다공성물질패키지, 및 냉장고

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956015A (en) * 1975-06-06 1976-05-11 The United States Of America As Represented By The Secretary Of The Air Force Lightweight nickel hydrogen cell
GB1577223A (en) * 1976-03-11 1980-10-22 Chloride Group Ltd Electrochemical cells
DE4225708C1 (en) * 1992-08-04 1993-09-23 Deutsche Automobilgesellschaft Mbh, 3300 Braunschweig, De Porous plate with welded current sink for electrochemical storage cells - enables electrode frame material to well up under pressure of welding and to escape between teeth of current sink
JP2007103218A (ja) * 2005-10-06 2007-04-19 Gs Yuasa Corporation:Kk 電池
EP1808916A1 (fr) * 2004-09-29 2007-07-18 GS Yuasa Corporation Batterie a boitier, fil de batterie a boitier, et ensemble batterie forme d'une pluralite de batteries a boitier
US20110244314A1 (en) * 2010-05-19 2011-10-06 Chiyoung Lee Secondary battery

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102008032270A1 (de) 2008-07-09 2010-01-14 Li-Tec Battery Gmbh Stromableiter für eine galvanische Zelle
DE102009010147A1 (de) 2009-02-23 2010-08-26 Li-Tec Battery Gmbh Galvanische Zelle

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3956015A (en) * 1975-06-06 1976-05-11 The United States Of America As Represented By The Secretary Of The Air Force Lightweight nickel hydrogen cell
GB1577223A (en) * 1976-03-11 1980-10-22 Chloride Group Ltd Electrochemical cells
DE4225708C1 (en) * 1992-08-04 1993-09-23 Deutsche Automobilgesellschaft Mbh, 3300 Braunschweig, De Porous plate with welded current sink for electrochemical storage cells - enables electrode frame material to well up under pressure of welding and to escape between teeth of current sink
EP1808916A1 (fr) * 2004-09-29 2007-07-18 GS Yuasa Corporation Batterie a boitier, fil de batterie a boitier, et ensemble batterie forme d'une pluralite de batteries a boitier
JP2007103218A (ja) * 2005-10-06 2007-04-19 Gs Yuasa Corporation:Kk 電池
US20110244314A1 (en) * 2010-05-19 2011-10-06 Chiyoung Lee Secondary battery

Also Published As

Publication number Publication date
WO2014154347A8 (fr) 2014-12-31
DE102013005421A1 (de) 2014-10-02

Similar Documents

Publication Publication Date Title
EP2633570B1 (fr) Agencement d'une pile d'électrodes d'un dispositif d'accumulation d'énergie électrochimique
DE112018003895T5 (de) Energiespeichereinrichtung
EP2740169B1 (fr) Cellule unitaire pour batterie et batterie
EP3069404B1 (fr) Ensemble d'électrodes, procédé pour sa fabrication et pile électrochimique
EP3520163A1 (fr) Procédé de fabrication d'une unité d'électrode pour élément de batterie et unité d'électrode
DE102011110694A1 (de) Gehäusedeckel für einen elektrochemischen Energiespeicher mit einem becherförmigen Gehäuse und Verfahren zur Herstellung des Gehäusedeckels
DE102015100109A1 (de) Lithiumionensekundärbatterie und verfahren des herstellens derselben
WO2014063789A2 (fr) Dispositif accumulateur d'énergie, batterie équipée de deux de ces dispositifs accumulateurs d'énergie, ainsi que procédé de câblage de ces dispositifs accumulateurs d'énergie
WO2013097968A1 (fr) Module de batterie avec gaine rétractable
WO2013023767A1 (fr) Cellule électrochimique accumulatrice d'énergie à boîtier métallique, procédé de fabrication d'une cellule électrochimique accumulatrice d'énergie à boîtier métallique
WO2014040677A2 (fr) Élément individuel d'une batterie
DE102014013401A1 (de) Energiespeichereinrichtung und Verfahren zu deren Herstellung
WO2013023774A1 (fr) Élément accumulateur d'énergie électrochimique à boîtier métallique et procédé de fabrication d'un élément accumulateur d'énergie électrochimique à boîtier métallique
DE102016106620A1 (de) Elektrische Hochstrom-Fügestelle, die eine Teilmontage beseitigt
DE102013204226A1 (de) Ableiter für einen elektrochemischen Energiespeicher
DE102012213577A1 (de) Gehäuse für eine Batterie, Batterie und Batterieanordnung
WO2014154347A1 (fr) Convertisseur d'énergie électrochimique et son procédé de fabrication
DE102021124490A1 (de) Sekundärbatterie
EP0772251A1 (fr) Cellule galvanique avec des collecteurs de courant d'électrodes sous forme de fils
EP2108200B1 (fr) Ensemble d'électrodes d'une cellule électrochimique et cellule électrochimique comportant un ensemble d'électrodes
EP2745338A1 (fr) Dispositif accumulateur d'énergie et procédé de fabrication dudit dispositif accumulateur d'énergie
EP4264720A1 (fr) Cellule de batterie, module de batterie et véhicule automobile à entraînement électrique
DE102016208589A1 (de) Elektrodenanordnung einer Batteriezelle, Elektrodenschicht und Batteriezelle sowie Verfahren zu deren Herstellung
DE102011110875A1 (de) Verfahren zur Herstellung einer elektrochemischen Zelle, eine elektrochemische Zelle und eine Energiespeichervorrichtung mit wenigstens zwei elektochemischen Zellen
DE112022001322T5 (de) Energiespeichervorrichtung

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: 14717407

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 14717407

Country of ref document: EP

Kind code of ref document: A1