WO2015114074A1 - Élément de batterie galvanique, en particulier élément de batterie lithium-soufre rechargeable, doté d'un élément compensateur de volume - Google Patents

Élément de batterie galvanique, en particulier élément de batterie lithium-soufre rechargeable, doté d'un élément compensateur de volume Download PDF

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Publication number
WO2015114074A1
WO2015114074A1 PCT/EP2015/051890 EP2015051890W WO2015114074A1 WO 2015114074 A1 WO2015114074 A1 WO 2015114074A1 EP 2015051890 W EP2015051890 W EP 2015051890W WO 2015114074 A1 WO2015114074 A1 WO 2015114074A1
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WO
WIPO (PCT)
Prior art keywords
battery cell
volume
compensation element
volume compensation
anode
Prior art date
Application number
PCT/EP2015/051890
Other languages
German (de)
English (en)
Inventor
Thomas Wöhrle
Thomas Kretschmar
Original Assignee
Robert Bosch 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 Robert Bosch Gmbh filed Critical Robert Bosch Gmbh
Publication of WO2015114074A1 publication Critical patent/WO2015114074A1/fr

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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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/381—Alkaline or alkaline earth metals elements
    • H01M4/382—Lithium
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/411—Organic material
    • H01M50/429—Natural polymers
    • 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
    • H01M10/0468—Compression means for stacks of electrodes and separators
    • 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
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/052—Li-accumulators
    • 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
    • H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • 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
    • H01M4/66—Selection of materials
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • 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
    • H01M4/80—Porous plates, e.g. sintered carriers
    • H01M4/808—Foamed, spongy materials
    • 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
    • H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/409—Separators, membranes or diaphragms characterised by the material
    • H01M50/44—Fibrous material
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • Galvanic battery cell in particular rechargeable lithium-sulfur battery cell, with volume compensation element
  • the present invention relates to a galvanic battery cell having at least one volume compensation element, wherein the galvanic battery cell is in particular a rechargeable lithium-sulfur battery cell. Furthermore, the present invention relates to a rechargeable lithium-sulfur battery having at least two of the lithium-sulfur battery cells according to the invention. By the term battery is meant here that at least two battery cells are interconnected.
  • lithium-ion battery technology which stands out for its high energy density and extremely low self-discharge.
  • Known rechargeable lithium-ion batteries consist of at least one, usually two and more lithium-ion battery cells, which have at least one positive and one negative electrode, which lithium ions can reversibly on or off again.
  • lithium-ion battery cell An example of such a known lithium-ion battery cell can be found in DE 10 201 1015 830 A1, which contains an electrode stack which has a plurality of electrode sheets and separator sheets arranged therebetween. Furthermore, the lithium-ion battery cell described therein comprises one or more
  • Volume compensation devices which serve to compensate for changes in the volume of the electrochemical cell, which are caused in particular by charging and discharging of the cell, in relation to a cell holding device, so that the cell is uniformly frictionally or frictionally operatively connected to the cell holding device.
  • lithium-ion battery cells have the disadvantage that their energy density in relation to their weight is not high enough, for example, to provide sufficient electric vehicles, in particular to achieve, for example, a satisfactory range of the electric vehicle. Consequently, the research is on
  • Desired values may be in the range of 100 N / cm 2 . If this pressure is not guaranteed, the return of lithium tends to be undesirable in one
  • bag battery cells also known as pouch cells or soft packs, which have a soft outer packaging, for example based on aluminum composite foil. Consequently, it seems questionable whether such a volume change in lithium-sulfur battery cells can ever be completely prevented or in principle must be tolerated. It can therefore be assumed that a uniform pressure load on the battery cell or its electrodes is required, which can be achieved, for example, by a constant force introduction or pressurization independent of the volume of the battery cell or of its cell dimension.
  • the present invention provides a galvanic battery cell, in particular a lithium-sulfur battery cell.
  • Battery cell has a housing and electrodes, that is at least one
  • Anode which is preferably a lithium metal anode or an anode made of a lithium alloy, a carbon or a silicon-carbon composite material, and at least one sulfur cathode.
  • the battery cell according to the invention on a Separatorelement, between the electrodes, ie between the anode, that is, the negative
  • Electrode, and the cathode, that is, the positive electrode is arranged to separate them from each other, as well as at least one elastic reversible volume compensation element, which compensates for a potential
  • volume change or the volume thrusts of the anode and / or the cathode is used. Accordingly, according to the invention is such
  • Volume compensating element preferably in the form of a volume-compressible layer, between the known necessary
  • Battery elements such as the electrodes, in particular between the anode or cathode and separator elements introduced, or the
  • Volume compensation element is provided as part of the separator or as a current collector or part of a current collector of one of the electrodes of the battery cell.
  • the volume compensation element can therefore be considered more elastic
  • the battery cell according to the invention may be provided as Abieiter at the cathode and anode or as an additional element outside of the anode, separator or cathode.
  • the battery cell according to the invention a hard shell battery cell, ie a so-called hardcase cell with a hard shell housing, for example made of deep-drawn aluminum, or a bag battery cell with a bag-like housing or a soft packaging, for example
  • Aluminum composite foil also known as a pouch cell or soft pack.
  • a plurality of volume compensation elements may be provided in the battery cell according to the invention, at least one of which as part of the
  • Separator element at least one as a collector or part of the collector of one of the electrodes and at least one is formed as a separate component.
  • At least one or even each volume compensation element comprises an elastic, network-like or porous structure, which the
  • Volume compensation element in addition to its elasticity preferably has a porosity of 5 to 95% by volume, more preferably from 20 to 80% by volume, most preferably from 30 to 70% by volume.
  • the porous according to the invention preferably has a porosity of 5 to 95% by volume, more preferably from 20 to 80% by volume, most preferably from 30 to 70% by volume.
  • Volume compensation element may also receive, store and / or release a liquid electrolyte or a gel electrolyte of the battery cell.
  • the volume compensation element can be used to dissipate heat through the housing to the outside, so perceive additional cooling functions in the form of a derivative of heat over existing metals.
  • Volume compensation element may be a nonwoven, a volume nonwoven a porous membrane or a foam element.
  • polyimide on polyester aramid but also on cellulose based nonwoven separators.
  • One example is a polyimide-based separator sold under the trade name Energain® by DuPont (USA).
  • the volume compensation element comprises a metal-based material, in particular aluminum, nickel, copper or stainless steel, a carbon-based material or a cellulosic, plastic or glass based material, wherein the
  • volume compensation element can also consist entirely of this material.
  • the volume compensation element may also comprise a composite of two or more of these materials or even consist entirely of this. In the event that the volume compensation element as
  • Collector or part of a collector of an electrode is provided, the glass or plastic-based materials are preferably coated over the entire surface with metal or carbon to ensure their conductivity.
  • the volume compensation element of the battery cell according to the invention has on at least one side surface on a conductive layer, which preferably comprises aluminum, copper, nickel, stainless steel, carbon black, graphite or graphene, or may consist entirely of this material.
  • a conductive layer which preferably comprises aluminum, copper, nickel, stainless steel, carbon black, graphite or graphene, or may consist entirely of this material.
  • Volume compensating element formed volume compensating layer may further be provided on both sides with a thin, electrically conductive layer. With “side” is thereby one of the two sides of the
  • Volume compensation element meant, the surface of which is large compared to the surface of the remaining side surfaces of the volume compensation element.
  • This layer is applied to the back of an electrode and could additionally serve as a current collector (synonym for collector), referred to in English in this form as "current collector foil”.
  • the battery cell according to the invention is preferably in the form of a
  • Stack assembly formed, which is composed of at least the sulfur cathode, the separator element, the anode and the volume compensation element in this order.
  • the housing preferably surrounds the
  • the volume change therefore runs in a direction substantially perpendicular to the main surface of the individual
  • Battery cell elements that is, in a so-called thickness direction of the battery cell, wherein the volume compensation element can at least partially compensate for the change in volume, preferably completely compensate.
  • the volume change can in such an arrangement as Thickness change of the cell will be described.
  • the necessary thickness of all volume compensation elements is in particular by the
  • the total compressible length of all volume compensation elements must be at least on the order of the total transferred lithium anode layer thickness.
  • the battery cell according to the invention may comprise a stacked arrangement, which is constructed at least from the sulfur cathode, the separator element and the anode in this order, wherein the compensation element is formed as part of the separator and at least partially compensates for the change in volume.
  • the housing preferably surrounds the
  • separators for which in particular separators based on polyester or preferably polyimide are suitable. Both mentioned separators are preferably nonwovens, which consist of a phase-shaped network.
  • volume compensation element also outside the battery cell, ie outside the arrangement of anode, sulfur cathode, separator and
  • Volume compensation element may be arranged, preferably wherein the additional volume compensation element acts as electrical insulation.
  • the additional volume compensation element acts as electrical insulation.
  • a corresponding additional or additional volume compensation element can also be arranged between the individual cells. In such a case, an additional function of the electrical insulation could be integrated by the volume compensation element.
  • the battery cell according to the invention in particular the volume compensation element of the battery cell according to the invention achieves a volume balance within each battery cell when charging and / or discharging the respective cell, while constant force application or pressurization in particular to the individual lithium-sulfur battery cell elements, without a significant increase in weight with it bring. It represents a significant improvement to a complex battery cell design with necessary
  • the total specific energy ie the quotient of stored energy and mass of the total module is not significantly reduced.
  • the battery cell according to the invention achieved by means of the volume compensation element can in principle be used both in hardcase cells and in pouch cells, wherein in both cases the desired volume compensation is made possible inside the cell. Due to the full-surface conditioning of the volume compensation element a very constant and homogeneous distribution of force is achieved. This in turn is very advantageous for the life and cycle stability of the respective battery cell.
  • Figure 1 of the present invention shows a schematic layer structure of a lithium-sulfur battery cell according to a preferred embodiment of the invention.
  • Figure 1 shows a preferred embodiment of the battery cell according to the invention, and more precisely the layer structure of a battery cell according to the preferred embodiment in partial cross-section.
  • the layer structure shown extends from the center starting on both sides in a similar structure, which is arranged overall in a housing 1, of which in the figure in the sectional view, only the two outer walls are shown, which limit the layer structure from the outside.
  • the illustrated battery cell Outwardly from the middle of the layer structure, the illustrated battery cell has a current collector 6, which discharges the current from a cathode 3, then the cathode 3 itself, a separator 4, an anode protection layer 7, an anode 2, and a volume compensation element 5 with respective ones optional current arrester coatings 51. All components of the layer structure are present in layer form, which are stacked accordingly.
  • the cathode 3 has sulfur, which is preferably present in an electrically conductive mixture, for example in a carbon structure.
  • the separator 4 is used in the layer structure as insulation and separation between the sulfur cathode 3 and the anode 2, which includes lithium here.
  • the anode protective layer 7 is arranged, which inter alia serves to protect the lithium anode 2 from the usually aggressive electrolyte and the dissolved lithium sulfides, which are further contained in the battery cell.
  • the anode protective layer 7 can be constructed of a solid organic, inorganic or ceramic lithium-ion conductor.
  • the volume compensation element 5 is in the present
  • Embodiment as a separate component and includes a cross-linked flexible aluminum structure with high porosity, for example, 80% by volume.
  • the compensation element 5 also from a Carbon web be constructed, or alternatively, from polymeric materials.
  • the porosity of the volume compensation element 5 gives it, inter alia, its desired flexibility, by which a potential
  • volume change of the electrodes 2, 3 can be compensated. Further, electrolyte (not shown) contained in the battery cell can thereby be contained in the battery cell
  • volume compensation element 5 is added or stored, which can be dispensed again as needed.
  • the current conductor coatings 51 of the volume compensation element 5, which are provided as an optional component of the volume compensation element 5, in the present embodiment comprise copper or nickel layers, which conduct the current of the lithium anode 2.
  • the housing 1 of the battery cell shown in Figure 1 is in the preferred embodiment, a part of a hard shell housing 1, in which the described layer structure is completely absorbed.
  • volume changes of the electrodes 2, 3 may occur during their charging or discharging, as already described above.
  • the metallic lithium of the anode 2 is gradually reduced and combines with the sulfur of the cathode 3 to polysulfides dissolved in the electrolyte.
  • the polysulfides finally precipitate as LiS 2 and Li 2 S in or on the porous cathode 3, resulting in a change in the volume of the electrodes 2, 3 and thus of the total cell volume.
  • the volume compensation element 5 can damage the
  • Housing 1 by occurring during charging or discharging of the battery cell expansion forces of the expanding electrodes 2, 3 prevent and thereby provide a significant safety factor for the use of lithium-sulfur battery cells.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Composite Materials (AREA)
  • Secondary Cells (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

La présente invention concerne un élément de batterie galvanique, en particulier un élément de batterie lithium-soufre, qui comprend un boîtier (1), au moins une anode (2), au moins une cathode au soufre (3), un élément séparateur (4) disposé entre l'anode (2) et la cathode (3), et au moins un élément compensateur de volume (5) élastique qui sert à compenser une variation de volume de l'anode (2) et/ou de la cathode (3). La présente invention concerne en outre une batterie lithium-soufre rechargeable comportant au moins deux éléments de batterie lithium-soufre de ce type.
PCT/EP2015/051890 2014-02-03 2015-01-30 Élément de batterie galvanique, en particulier élément de batterie lithium-soufre rechargeable, doté d'un élément compensateur de volume WO2015114074A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014201836.6A DE102014201836A1 (de) 2014-02-03 2014-02-03 Galvanische Batteriezelle, insbesondere wiederaufladbare Lithium-Schwefel-Batteriezelle, mit Volumenausgleichselement
DE102014201836.6 2014-02-03

Publications (1)

Publication Number Publication Date
WO2015114074A1 true WO2015114074A1 (fr) 2015-08-06

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Country Status (2)

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DE (1) DE102014201836A1 (fr)
WO (1) WO2015114074A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT519359B1 (de) * 2017-01-19 2018-06-15 Avl List Gmbh Batteriemodul
EP3664196A1 (fr) * 2018-12-06 2020-06-10 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Cellules de batterie comprenant des couches fonctionnelles compressibles élastiques et procédé de fabrication
US10923699B2 (en) * 2016-09-09 2021-02-16 Lg Chem, Ltd. Lithium-sulfur battery including polymer non-woven fabric between positive electrode and separator
WO2021074634A3 (fr) * 2019-10-15 2021-05-27 Oxis Energy Limited Cellule sulfo-lithique

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3279968B1 (fr) * 2016-08-02 2020-05-13 Robert Bosch GmbH Module de batterie
EP3840091A1 (fr) 2019-12-18 2021-06-23 VARTA Micro Innovation GmbH Cellule dotée d'une anode au lithium métallique et procédé de fabrication
DE102021103172A1 (de) * 2021-02-11 2022-08-11 Bayerische Motoren Werke Aktiengesellschaft Verfahren zum Herstellen einer Lithiumionenbatterie sowie Lithiumionenbatterie
DE102021103629A1 (de) 2021-02-16 2022-08-18 Volkswagen Aktiengesellschaft Batteriemodul und Batteriezelle
DE102022213762A1 (de) 2022-12-16 2024-06-27 Volkswagen Aktiengesellschaft Batteriezelle, Batteriezellenstapel, Kraftfahrzeug sowie Verfahren

Citations (4)

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US3925098A (en) * 1974-11-27 1975-12-09 Electric Power Res Inst Positive electrode for electrical energy storage device
US20110165462A1 (en) * 2010-01-07 2011-07-07 Aruna Zhamu Anode compositions for lithium secondary batteries
DE102011015830A1 (de) * 2011-04-01 2012-10-04 Li-Tec Battery Gmbh Elektrochemische Zelle zum Speichern elektrischer Energie
US20130183549A1 (en) * 2012-01-18 2013-07-18 E I Du Pont De Nemours And Company Compositions, layerings, electrodes and methods for making

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Publication number Priority date Publication date Assignee Title
DE102012208311A1 (de) * 2012-05-18 2013-11-21 Robert Bosch Gmbh Verfahren zum Herstellen einer Elektrode für einen elektrochemischen Energiespeicher und elektrochemischer Energiespeicher

Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
US3925098A (en) * 1974-11-27 1975-12-09 Electric Power Res Inst Positive electrode for electrical energy storage device
US20110165462A1 (en) * 2010-01-07 2011-07-07 Aruna Zhamu Anode compositions for lithium secondary batteries
DE102011015830A1 (de) * 2011-04-01 2012-10-04 Li-Tec Battery Gmbh Elektrochemische Zelle zum Speichern elektrischer Energie
US20130183549A1 (en) * 2012-01-18 2013-07-18 E I Du Pont De Nemours And Company Compositions, layerings, electrodes and methods for making

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10923699B2 (en) * 2016-09-09 2021-02-16 Lg Chem, Ltd. Lithium-sulfur battery including polymer non-woven fabric between positive electrode and separator
AT519359B1 (de) * 2017-01-19 2018-06-15 Avl List Gmbh Batteriemodul
AT519359A4 (de) * 2017-01-19 2018-06-15 Avl List Gmbh Batteriemodul
EP3664196A1 (fr) * 2018-12-06 2020-06-10 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk onderzoek TNO Cellules de batterie comprenant des couches fonctionnelles compressibles élastiques et procédé de fabrication
WO2020117060A3 (fr) * 2018-12-06 2020-07-23 Nederlandse Organisatie Voor Toegepast- Natuurwetenschappelijk Onderzoek Tno Cellules de batterie comprenant des couches fonctionnelles compressibles élastiques et procédé de fabrication
CN113169313A (zh) * 2018-12-06 2021-07-23 荷兰应用自然科学研究组织Tno 包括弹性可压缩功能层的电池及其制造工艺
WO2021074634A3 (fr) * 2019-10-15 2021-05-27 Oxis Energy Limited Cellule sulfo-lithique

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