Patents by Inventor Alain Vallee
Alain Vallee has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 8241541Abstract: The invention provides a pre-mix of positive electrode material in transportable solid form comprising polymer and solid particles of electrochemically active material and/or electronically conductive additives and a process for preparing a pre-mix positive electrode in transportable solid form. The pre-mix positive electrode material may also comprise an alkali metal salt either dissolved or dispersed in the mixture. The invention also provides making a cathode film from the transportable solid pre-mix of positive electrode material.Type: GrantFiled: August 9, 2007Date of Patent: August 14, 2012Assignee: Bathium Canada Inc.Inventors: Alain Vallee, Paul-Andre Lavoie, Patrick Leblanc, Regis Gagnon, Fabrice Regisser, Dany Brouillette
-
Publication number: 20120189881Abstract: An electrochemical cell battery is disclosed having current collecting terminals acting as security device. The battery includes a plurality of electrochemical cells connected in series or parallel; each electrochemical cell having a current collecting terminal connecting the positive current collectors together and a current collecting terminal connecting the negative current collectors together; the current collecting terminals each having a folded extension arm for electrically connecting two adjacent electrochemical cells together. The current collecting terminals utilize layers of PTC materials strategically positioned whereby if a temperature of an electrochemical cell rises above the transition temperature of the layer of PTC material, electrical current is prevented to flow between electrochemical cells by the layer of PTC material.Type: ApplicationFiled: July 22, 2011Publication date: July 26, 2012Applicant: BATHIUM CANADA INC.Inventors: Sebastien Geoffroy, Bruno Bacon, Yvan Roy, Claude Carignan, Alain Vallee
-
Patent number: 8173049Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkali ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.Type: GrantFiled: November 22, 2010Date of Patent: May 8, 2012Assignees: ACEP Inc., University de Montreal, Centre National de la Recherche ScientifiqueInventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallee, Michel Armand, Jean-Francois Magnan
-
Patent number: 8147916Abstract: A process for making an electrode sheet for a solid lithium electrochemical cells is disclosed. The process comprises the steps of: a) admixing a polyether polymer or copolymer, at least one lithium salt, at least one electrochemically active material and purified water to form an aqueous solution/suspension containing by weight at least 40% purified water, at least 20% active electrode material, up to 10% electrically conductive material, at least 5% polyether polymer or copolymer, and at least 1.5% lithium salt; b) coating the aqueous solution/suspension in the form of an electrode thin film onto an electrode support; and, c) evaporating the water from the electrode thin film to obtain an electrode sheet having less than 1000 ppm of residual water. The evaporation step is preferably carried out through a dryer/oven tunnel having incremental drying zones.Type: GrantFiled: March 7, 2008Date of Patent: April 3, 2012Assignee: Bathium Canada Inc.Inventors: Patrick Leblanc, Frederic Cotton, Dave Lessard, Alain Vallee
-
Publication number: 20120058382Abstract: A battery pack for an electric or hybrid vehicle having battery connectors for connecting batteries in series and a battery connector are disclosed that reduces the risks of potential electric shocks during assembly, servicing and in emergency situation. The battery connector includes an interrupter having disconnect capabilities in the event of the vehicle being involved in a collision.Type: ApplicationFiled: September 2, 2010Publication date: March 8, 2012Applicant: BATHIUM CANADA INC.Inventors: Claude CARIGNAN, Pierre LeVERONE, Alain VALLEE, Stephane CARIGNAN, Denis POMERLEAU
-
Publication number: 20120058381Abstract: A battery pack having battery connectors for connecting batteries in series and a battery connector are disclosed that reduce the risks of potential electric shocks during assembly and servicing of a battery pack.Type: ApplicationFiled: September 2, 2010Publication date: March 8, 2012Applicant: BATHIUM CANADA INC.Inventors: Claude CARIGNAN, Pierre LEVERONE, Alain VALLEE, Shu-Fu YEH, Guy GILBERT
-
Publication number: 20110097479Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkali ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.Type: ApplicationFiled: November 22, 2010Publication date: April 28, 2011Applicants: ACEP Inc., Centre National De La Recherche Scientique, Universite De MontrealInventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallee, Michel Armand, Jean-Francois Magnan
-
Publication number: 20110086273Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkali ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.Type: ApplicationFiled: October 6, 2010Publication date: April 14, 2011Applicants: ACEP INC., CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE MONTREALInventors: NATHALIE RAVET, Simon Besner, Martin Simoneau, Alain Vallee, Michel Armand, Jean-Francois Magnan
-
Publication number: 20100273054Abstract: An electrode and an electrode material for lithium electrochemical cells are disclosed. The electrode material is in powder form and has a particle size distribution wherein the measured particle size distribution of the electrode material has a median size D50 ranging from 1.5 ?m and 3 ?m, a D10?0.5 ?m, a D90?10.0 ?m, and a calculated ratio (D90/D10)/D50?3.0 which is indicative of a peak of the measured particle size distribution on the left of the median D50 which improves the loading and energy density of the electrode produced with this electrode material powder.Type: ApplicationFiled: April 26, 2010Publication date: October 28, 2010Applicant: BATHIUM CANADA INC.Inventors: Frederic COTTON, Patrick LEBLANC, Thierry GUENA, Alain VALLEE, Jean-Luc MONFORT
-
Patent number: 7815819Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkali ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.Type: GrantFiled: February 19, 2008Date of Patent: October 19, 2010Assignees: ACEP Inc., Centre National de la Recherche Scientifique, Universite de MontrealInventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallee, Michel Armand, Jean-Francois Magnan
-
Patent number: 7700018Abstract: A process for extruding a thin positive electrode sheet having at least 40%/wt of solid content for a lithium polymer battery through a single or twin screw extruder is disclosed as well as a positive electrode sheet produced therefrom. A mixture of active cathodic intercalation material, lithium salt and electronic conductive material is mixed with a polymer of the polyether family in a ratio of at least 40% of total weight into the mixing chamber of an extrusion machine and extruded through a classical sheet die into a thin cathode sheet or film onto a substrate in sheet form.Type: GrantFiled: March 7, 2003Date of Patent: April 20, 2010Assignee: Bathium Canada Inc.Inventors: Paul-André Lavoie, Richard Laliberté, Simon Besner, Yvon Gagnon, Martin Simoneau, Alain Vallée
-
Publication number: 20090226635Abstract: A process for making an electrode sheet for a solid lithium electrochemical cells is disclosed. The process comprises the steps of: a) admixing a polyether polymer or copolymer, at least one lithium salt, at least one electrochemically active material and purified water to form an aqueous solution/suspension containing by weight at least 40% purified water, at least 20% active electrode material, up to 10% electrically conductive material, at least 5% polyether polymer or copolymer, and at least 1.5% lithium salt; b) coating the aqueous solution/suspension in the form of an electrode thin film onto an electrode support; and, c) evaporating the water from the electrode thin film to obtain an electrode sheet having less than 1000 ppm of residual water. The evaporation step is preferably carried out through a dryer/oven tunnel having incremental drying zones.Type: ApplicationFiled: March 7, 2008Publication date: September 10, 2009Applicant: BATHIUM CANADA INC.Inventors: Patrick LEBLANC, Frederic COTTON, Dave LESSARD, Alain VALLEE
-
Publication number: 20090226636Abstract: A process for making an electrode sheet for lithium electrochemical cells is disclosed. The process comprises the steps of: a) admixing a polyether polymer or copolymer soluble in water, at least one lithium salt, at least one electrochemically active material, water and an organic solvent miscible with water in a water/organic solvent ratio of a maximum of 50% organic solvent by volume to form a water-based solution/suspension containing by weight at least 20% active electrode material, at least 5% of a polyether polymer or copolymer, and at least 1.5% lithium salt; b) coating the water-based solution/suspension in the form of an electrode thin film onto an electrode support; and, c) drying the electrode thin film to obtain an electrode thin sheet having less than 1000 ppm of residual water.Type: ApplicationFiled: March 6, 2009Publication date: September 10, 2009Applicant: BATHIUM CANADA INC.Inventors: Patrick LEBLANC, Frederic COTTON, Dave LESSARD, Alain VALLEE
-
Publication number: 20090162754Abstract: A solid polymer electrolyte for a battery is disclosed. The solid polymer electrolyte includes a first polymer capable of solvating a lithium salt, a lithium salt, and a second polymer which is at least partially miscible with the first polymer or rendered at least partially miscible with the first polymer; at least a portion of_the second polymer being crystalline or vitreous at the internal operating temperature of the battery.Type: ApplicationFiled: December 19, 2008Publication date: June 25, 2009Applicant: BATHIUM CANADA INC.Inventors: Frederic COTTON, Thierry GUENA, Patrick LEBLANC, Alain VALLEE, Marc DESCHAMPS
-
Publication number: 20080257721Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkaline ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.Type: ApplicationFiled: February 19, 2008Publication date: October 23, 2008Applicants: ACEP, INC., CNRS, UNIVERSITE DE MONTREALInventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallee, Michel Armand, Jean-Francois Magnan
-
Publication number: 20080213661Abstract: The present invention concerns polymers obtained by anionic initiation and bearing functions that can be activated by cationic initiations that are not reactive in the presence of anionic polymerization initiators. The presence of such cationic initiation functions allow an efficient cross-linking of the polymer after moulding, particularly in the form of a thin film. It is thus possible to obtain polymers with well-defined properties in terms of molecular weight and cross-linking density. The polymers of the present invention are capable of dissolving ionic compounds inducing a conductivity for the preparation of solid electrolytes.Type: ApplicationFiled: May 9, 2008Publication date: September 4, 2008Applicant: HYDRO-QUEBECInventors: Christophe Michot, Alain Vallee, Paul-Etienne Harvey, Michel Gauthier, Michel Armand
-
Patent number: 7390336Abstract: The present invention relates to Lithium Metal batteries. In particular, it is related to lithium metal batteries containing a polyimide-based electrolyte. The present invention concerns a new concept of polyimide-based electrolytic component having an electrolyte consisting of at least one solvent and at least one alkali metal salt, with specific amounts of solvents, to optimize the properties of conductivity of the polyimide-based electrolyte and the mechanical properties of the polyimide-based electrolyte separator towards metallic lithium anode to prevent dendrites growths.Type: GrantFiled: July 29, 2003Date of Patent: June 24, 2008Assignee: Solicore, Inc.Inventors: Alain Vallée, Dany Brouillette, James K. Pugh, Wade W. Guindy
-
Patent number: 7344659Abstract: The present invention concerns electrode materials capable of redox reactions by electrons and alkaline ions exchange with an electrolyte. The applications are in the field of primary (batteries) or secondary electrochemical generators, super capacitors and light modulating system of the super capacitor type.Type: GrantFiled: November 4, 2005Date of Patent: March 18, 2008Assignees: ACEP, Inc., CNRS, Universite de MontrealInventors: Nathalie Ravet, Simon Besner, Martin Simoneau, Alain Vallee, Michel Armand, Jean-Francois Magnan
-
Publication number: 20070273062Abstract: The invention provides a pre-mix of positive electrode material in transportable solid form comprising polymer and solid particles of electrochemically active material and/or electronically conductive additives and a process for preparing a pre-mix positive electrode in transportable solid form. The pre-mix positive electrode material may also comprise an alkali metal salt either dissolved or dispersed in the mixture. The invention also provides making a cathode film from the transportable solid pre-mix of positive electrode material.Type: ApplicationFiled: August 9, 2007Publication date: November 29, 2007Applicant: BATHIUM CANADA INC.Inventors: Alain Vallee, Paul-Andre Lavoie, Patrick Leblanc, Regis Gagnon, Fabrice Regisser, Dany Brouillette
-
Patent number: 7198870Abstract: A polymer matrix electrolyte (PME) includes a polyimide, at least one salt and at least one solvent intermixed. The PME is generally homogeneous as evidenced by its high level of optically clarity. The PME is stable through harsh temperature and pressure conditions. A method of forming a PME includes the steps of dissolving a polyimide in at least one solvent, adding at least one salt to the polyimide and the solvent, wherein said polyimide, salt and solvent become intermixed to form the PME, the PME being substantially optically clear.Type: GrantFiled: July 29, 2005Date of Patent: April 3, 2007Assignees: Solicore, Inc., Avestor Limited PartnershipInventors: C. Glen Wensley, Alain Vallée, Dany Brouillette, Scott Gustafson