Hydro-quebec

Hydro-qu&#xe9;bec

Sei Corporation

Showa Denko K.k.

Cic Energigune

Fraunhofer-gesellschaft Zur Foerderung Der Angewandten Forschung E.v.

Arkema France

Johnson Matthey Public Limited Company

Essilor International (compagnie Generale D'optique)

Mcgill University

Dai-ichi Kogyo Seiyaku Co., Ltd.

Tekna Plasma Systems Inc.

Universita' Degli Studi Di Milano-bicocca

Essilor International

Phostech Lithium Inc.

Abdelbast Guerfi

Karim Zaghib

Patrick Charest

Michel Armand

Fernand Brochu

Martin Dontigny

Michel Perrier

Kimio Kinoshita

Takehiko Sawai

Shinji Saito

Kazunori Urao

Pierre Hovington

Michel Gauthier

Michel Bernard Armand

Elisabeth Dupuis

Dominic Leblanc

Julie Trottier

Monique Masse

Kazuma Hanai

Andrea Paolella

Michel Petitclerc

Vincent Gariepy

Christophe Michot

Masataka Takeuchi

Chiaki Sotowa

Robert Kostecki

Francis Barray

Catherine Gagnon

Teofilo Rojo

Jocelyn Jalbert

Jun Nakagawa

Jean-François Labrecque

Montse Galceran Mestres

Montse Casas-Cabanas

Gilles Lajoie

Matjaz Kozelj

Chisu Kim

Giorgio Pagani

Maher I Boulos

Michiyuki Kono

Jean-Christophe Daigle

Alexander Korzhenko

Mathieu Feuillade

Hossein Maleki

Guoxian Liang

Gerhard Schottner

Jiayin Guo

Manabu Kikuta

Gordon Chiu

Nicolas Delaporte

Uwe Posset

Luca Beverina

George P Demopoulos

Riccardo Ruffo

Richard Dolbec

Sylvio Savoie

Jean-Francois Labrecque

Wen Zhu

Matteo Marco Salamone

Claudio Maria Mari

Francois Allaire

Michel Peticlerc

Julien Beausoleil

Naoyuki Kondo

Ali Darwiche

Joel Frechette

Montserrat Galceran Mestres

Cyril Faure

Basile Commarieu

Pierre-Michel Jalbert

Joël Fréchette

Yuesheng Wang

Elizabeth Dupuis

Montserrat Casas Cabanas

Hsien-Chieh Chiu

Bettina Herbig

Marie-Josée Vigeant

Robert J Selman

Gabrielle Nadeau

Myunghun Cho

Monique Massé

George Demopoulos

Claude Gagnon

A method for producing an electrode material for a lithium-ion secondary battery. The method includes the following steps: (a) mixing components of a basic ingredient or active substance of electrode material and a conductive carbon material to obtain a conductive carbon material-composited material; (b) mixing the conductive carbon material-composited material and a surface layer-forming material; an (c) burning the mixture obtained at step (b) to obtain the electrode material. Also, a lithium-ion secondary battery including an electrode which includes the material.

Method of producing electrode material for lithium-ion secondary battery and lithium-ion battery using such electrode material

Olivine-type compounds, their preparation and use in cathode materials for sodium-ion batteries. The olivine-type compounds may be obtained by a direct synthesis embodying a hydrothermal method. The method may include preparing an aqueous mixture including a M-containing compound, a M'-containing compound and a M″-containing compound to obtain a M-M′-M″ mixture; adding a P-containing compound to the mixture M-M′-M″ mixture to obtain a M-M′-M″-P mixture; adding a Na-containing compound to the M-M′-M″-P mixture to obtain a Na-M-M′-M″-P mixture; and introducing the Na-M-M′-M″-P mixture into an autoclave to perform crystal growth and obtain the compound of general formula NaMM′M″PO.

-type compounds: method for their preparation and use in cathode materials for sodium-ion batteries

The present technology relates to electrode materials comprising an electrochemically active material, wherein the electrochemically active material comprises a P2-type or a O3-type layered sodium metal oxide. The electrochemically active material is of formula NaMO, wherein 0.5≤x≤1.0 and M is selected from Co, Mn, Fe, Ni, Ti, Cr, V, Cu, Sb and their combinations. Also described are electrodes, electrochemical cells and batteries comprising the electrode materials.

Electrode materials comprising a layered sodium metal oxide, electrodes comprising them and their use in electrochemistry

The present technology relates to a polymer comprising at least one ester repeating unit and one ether repeating unit for use in an electrochemical cell, particularly in electrochemical accumulators such as lithium batteries, sodium batteries, potassium batteries and lithium-ion batteries. More specifically, the use of this polymer as a solid polymer electrolyte (SPE), as a matrix for forming gel electrolytes, or as a binder in an electrode material are also contemplated.

Copolymers of ester and ether units, processes for producing same and uses thereof

The present technology relates to self-standing electrodes, their use in electrochemical cells, and their production processes using a water-based filtration process. For example, the self-standing electrodes may be used in lithium-ion batteries (LIBs). Particularly, the self-standing electrodes comprise a first electronically conductive material serving as a current collector, the surface of the first electronically conductive material being grafted with a hydrophilic group, a binder comprising cellulose fibres, an electrochemically active material, and optionally a second electronically conductive material. A process for the preparation of the self-standing electrodes is also described.

Cellulose-based self-standing films for use in Li-ion batteries

There is provided a method of manufacturing nanoparticles comprising the steps of feeding a core precursor into a plasma torch in a plasma reactor, thereby producing a vapor of silicon or alloy thereof; and allowing the vapor to migrate to a quenching zone of the plasma reactor, thereby cooling the vapor and allowing condensation of the vapor into a nanoparticle core made of the silicon or alloy thereof, wherein the quenching gas comprises a passivating gas precursor that reacts with the surface of the core in the quenching zone produce a passivation layer covering the core, thereby producing said nanoparticles. The present invention also relates to nanoparticles comprising a core covered with a passivation layer, the core being made of silicon or an alloy thereof, as well as their use, in particular in the manufacture of anodes.

Nanoparticles comprising a core covered with a passivation layer, process for manufacture and uses thereof

A positive-electrode material for a lithium secondary battery is provided. The material includes a lithium oxide compound or a complex oxide as reactive substance. The material also includes at least one type of carbon material, and optionally a binder. A first type of carbon material is provided as a coating on the reactive substance particles surface. A second type of carbon material is carbon black. And a third type of carbon material is a fibrous carbon material provided as a mixture of at least two types of fibrous carbon material different in fiber diameter and/or fiber length. Also, a method for preparing the material as well as lithium secondary batteries including the material is provided.

Positive-electrode materials: methods for their preparation and use in lithium secondary batteries

A method of preparing an electrochemical electrode which is partially or totally covered with a film that is obtained by spreading an aqueous solution comprising a water-soluble binder over the electrode and subsequently drying same. The production cost of the electrodes thus obtained is reduced and the surface porosity thereof is associated with desirable resistance values.

Electrode coated with a film obtained from an aqueous solution comprising a water-soluble binder, production method thereof and uses of same

The present invention proposes a process for purifying raw carbon nanotubes to obtain an content in metallic impurities comprised between 5 ppm and 200 ppm. The process includes an increase in the bulk density of the raw carbon nanotubes via compacting to produce compacted carbon nanotubes. The process further includes sintering the compacted carbon nanotubes by undergoing thermal treatment under gaseous atmosphere in order to remove at least a portion of the metallic impurities contained in the raw carbon nanotubes, and consequently producing purified carbon nanotubes. These purified carbon nanotubes are directly usable as electronic conductors serving as basis additive to an electrode material without requiring any subsequent purification step. The electrode material can then be used to manufacture an electrode destined to a lithium-ion battery.

Method for the purification of raw carbon nanotubes

This document describes processes for preparing ceramics, especially lithium-based ceramics. The ceramics produced by this process and their use in electrochemical applications are also described as well as electrode materials, electrodes, electrolyte compositions, and electrochemical cells comprising them.

Ceramics, methods for the production thereof and uses of same

This disclosure provides for Olivine-type compounds, their preparation and use in cathode materials for sodium-ion batteries. The olivine-type compounds of the invention are obtained by a direct synthesis embodying a hydrothermal method.

Olivine-type compounds: method for their preparation and use in cathode materials for sodium-ion batteries

A method for producing an electrode material for a lithium-ion secondary battery. The method includes the following steps: (a) mixing components of a basic ingredient or active substance of electrode material and a conductive carbon material to obtain a conductive carbon material-composited material; (b) mixing the conductive carbon material-composited material and a surface layer-forming material; an (c) burning the mixture obtained at step (b) to obtain the electrode material. Also, a lithium-ion secondary battery including an electrode which comprises the material.

A lithium-ion secondary battery including positive and negative electrodes, a separator element, an electrical conductor element and a binder, wherein the positive electrode includes a lithium-containing metal phosphate compound coated with a carbon material having at least one phase selected from a graphene phase and an amorphous phase, and further includes carbon black and a fibrous carbon material and wherein the negative-electrode material includes a graphite carbon material having at least one carbon phase selected from a graphene phase and an amorphous phase, and further includes carbon black and a fibrous carbon material, and wherein the binder includes a water-soluble synthetic resin or a water-dispersible synthetic resin. The most preferred positive electrode includes LiFePO, The most preferred negative electrode includes artificial graphite or graphitazable powder. The most preferred binder is carboxyl methyl cellulose further including a surface active agent. A method of making the lithium-ion secondary battery.

Lithium-ion secondary battery and method of producing same

The invention relates to an improved lithium-air battery. The battery includes a negative electrode and a positive electrode separated by an electrolyte, wherein the negative electrode consists of a film of metal material selected from among lithium and lithium alloys, the positive electrode includes a film of a porous carbon material on a current collector, and the electrolyte is a solution of lithium salts in a solvent. The battery is characterized in that the surface of the negative electrode opposite the electrolyte has a passivation layer containing LiS, LiSO, LiO, and LiCO, the passivation layer being richer in sulfur compound on the surface thereof that is in contact with the electrolyte. The battery is obtained by means of a method consisting of producing the positive electrode, the electrolyte, and a film of the metal material for forming the negative electrode, and assembling the positive electrode, the electrolyte, and the film of metal material. The method is characterized in that it includes a step of subjecting the film of metal material to a gaseous atmosphere containing SO, before or after the assembly thereof with the positive electrode and the electrolyte.

Lithium-air battery

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Brossard, Canada

Abdelbast Guerfi