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1. WO2009007366 - ELASTIC CURRENT COLLECTOR FOR ELECTROCHEMICAL CELLS

Publication Number WO/2009/007366
Publication Date 15.01.2009
International Application No. PCT/EP2008/058847
International Filing Date 08.07.2008
Chapter 2 Demand Filed 11.05.2009
IPC
C25B 9/04 2006.01
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON- METALS; APPARATUS THEREFOR
9Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies
04Devices for current supply; Electrode connections; Electric inter-cell connections
CPC
C25B 9/00
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
9Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
C25B 9/65
CCHEMISTRY; METALLURGY
25ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
BELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
9Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
60Constructional parts of cells
65Means for supplying current; Electrode connections; Electric inter-cell connections
H01M 8/0254
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
8Fuel cells; Manufacture thereof
02Details
0202Collectors; Separators, e.g. bipolar separators; Interconnectors
0247characterised by the form
0254corrugated or undulated
Y02E 60/50
YSECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
60Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
30Hydrogen technology
50Fuel cells
Applicants
  • UHDENORA S.P.A. [IT]/[IT] (AllExceptUS)
  • PEREGO, Michele [IT]/[IT] (UsOnly)
  • CARRETTIN, Leonello [IT]/[IT] (UsOnly)
  • OLDANI, Dario [IT]/[IT] (UsOnly)
  • OTTAVIANI, Angelo [IT]/[IT] (UsOnly)
Inventors
  • PEREGO, Michele
  • CARRETTIN, Leonello
  • OLDANI, Dario
  • OTTAVIANI, Angelo
Agents
  • REITSTÖTTER KINZEBACH
Priority Data
MI 2007 A 00137510.07.2007IT
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ELASTIC CURRENT COLLECTOR FOR ELECTROCHEMICAL CELLS
(FR) COLLECTEUR DE COURANT ÉLASTIQUE POUR CELLULES ÉLECTROCHIMIQUES
Abstract
(EN)
The invention relates to a current collector for electrochemical diaphragm or membrane-type cells, comprising a layer obtained by interlacing or weaving of a multiplicity of first sets of metal wires with a multiplicity of single metal wires or of second sets of metal wires and provided with substantially parallel corrugations. Such layer is coupled to a planar element consisting of a cloth or a flattened stocking formed by weaving of a single metal wire. The current collector is characterised by a low angular coefficient of the pressure/thickness ratio over a wide range of compression levels.
(FR)
L'invention se rapporte à un collecteur de courant destiné à un diaphragme électrochimique ou à des cellules de type membrane, comprenant une couche obtenue en entrelaçant ou en tissant une multiplicité de premiers ensembles de fils métalliques avec une multiplicité de fils métalliques uniques, ou bien de seconds ensembles de fils métalliques dotés d'ondulations sensiblement parallèles. Une telle couche est reliée à un élément plan constitué d'un vêtement ou bien d'un bas aplati façonné en tissant un fil métallique unique. Le collecteur de courant est caractérisé par un coefficient angulaire faible du rapport pression/épaisseur sur une large plage de niveaux de compression.
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