EP 1943693 A1 20080716 - DISPERSED SOLUTION OF CARBON MATERIALS FOR MAKING CURRENT COLLECTORS
Title (en)
DISPERSED SOLUTION OF CARBON MATERIALS FOR MAKING CURRENT COLLECTORS
Title (de)
DISPERGIERTE LÖSUNG AUS KOHLENSTOFFMATERIALIEN ZUR HERSTELLUNG VON STROMKOLLEKTOREN
Title (fr)
SOLUTION DISPERSEE DE MATERIAUX CARBONES POUR LA FABRICATION DE COLLECTEURS DE COURANT
Publication
Application
Priority
- FR 2006002205 W 20060929
- FR 0509933 A 20050929
Abstract (en)
[origin: FR2891402A1] Preparation of a nanometric carbonaceous particles dispersed solution containing neither binder nor dispersant, comprises preparing a polymeric matrix of determined viscosity, introducing a fraction of the carbonaceous particles and a fraction of a wetting agent i.e. solvent of the matrix, maintaining the mixture under agitation until obtaining a stable ground of viscosity and repeating the introduction of carbonaceous particles and the agitation until exhaustion of the carbonaceous particles and solvent. Independent claims are included for: (1) a nanometric carbonaceous particles dispersed solution comprising carbonaceous particles (1-4% mass/volume, 2-4% mass/volume) in suspension, a polymeric matrix (20-40 vol.%) and a wetting agent, solvent of the polymeric matrix, where the dispersed solution contains neither binder nor dispersant; (2) preparation of a conducting carbonaceous layer on a substrate comprising preparing a dispersed solution of carbonaceous nanometric particles, depositing a layer of the dispersed solution on the substrate, drying the layer with free air, eliminating the polymer by heat treatment and the carbonaceous particles that are non-adherent with the substrate, by brushing; and (3) an electrical energy storage system comprising a metallic current collector and an active film, where the current collector is covered with a conductor layer obtained using the solution of carbonaceous particles.
IPC 8 full level
H01M 4/66 (2006.01); H01B 1/24 (2006.01); H01G 9/04 (2006.01); H01G 11/42 (2013.01); H01M 4/04 (2006.01); H01M 4/02 (2006.01)
CPC (source: EP US)
H01B 1/24 (2013.01 - EP US); H01G 11/22 (2013.01 - EP US); H01G 11/42 (2013.01 - EP US); H01M 4/0404 (2013.01 - EP US); H01M 4/0471 (2013.01 - EP US); H01M 4/663 (2013.01 - EP US); H01M 4/667 (2013.01 - EP US); H01M 2004/021 (2013.01 - EP US); Y02E 60/10 (2013.01 - EP); Y02E 60/13 (2013.01 - US)
Citation (search report)
See references of WO 2007036641A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
DOCDB simple family (publication)
FR 2891402 A1 20070330; FR 2891402 B1 20100326; EP 1943693 A1 20080716; JP 2009516891 A 20090423; JP 5237815 B2 20130717; US 2009155693 A1 20090618; WO 2007036641 A1 20070405
DOCDB simple family (application)
FR 0509933 A 20050929; EP 06808216 A 20060929; FR 2006002205 W 20060929; JP 2008532828 A 20060929; US 8824306 A 20060929