Abstract: The present invention relates to sulfide solid electrolytes having improved conductivity, a process for the preparation thereof, and electrochemical elements and batteries containing same.
Type:
Application
Filed:
November 17, 2022
Publication date:
January 9, 2025
Applicants:
SAFT, Centre national de la recherche scientifique, ECOLE NATIONALE SUPERIEURE D INGENIEURS DE CAEN, UNIVERSITE DE CAEN NORMANDIE
Inventors:
Vincent PELE, Christian JORDY, Audric NEVEU, Valérie PRALONG
Abstract: A method for synthesising polymers through devulcanisation from waste containing elastomers, the method including: a) contacting the waste containing elastomers with a solvent in the presence of a devulcanisation agent, b) heating the mixture produced in step a), at a temperature of between 20° C. and 250° C. for a period of between 15 minutes and 24 hours in the presence of a devulcanisation agent, the concentration of devulcanisation agent, and the ratio between the concentration of devulcanisation agent, expressed as parts per hundred of elastomer (phr) and a volume of solvent, expressed in ml, is: greater than 0.3 phr/ml of solvent or less than 0.2 phr/ml of solvent when the method is carried out in air, greater than 0.06 phr/ml of solvent when the method is carried out in an inert atmosphere.
Type:
Grant
Filed:
February 18, 2020
Date of Patent:
December 17, 2024
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE CAEN NORMANDIE, ECOLE NATIONALE SUPERIEURE D'INGENIEURS DE CAEN
Abstract: The present invention relates to a method of post-synthetic downsizing zeolite-type crystals and/or agglomerates thereof to nanosized particles, and in particular a heating-free and chemical-free method. The present invention also relates to nanosized particles of zeolite-type material capable of being obtained by the method of the invention and to the use of such particles as a catalyst or catalyst support for heterogeneous catalyst, or as molecular sieve, or as a cation exchanger.
Type:
Grant
Filed:
November 14, 2019
Date of Patent:
September 17, 2024
Assignees:
Centre National de la Recherche Scientifique, École Nationale Supérieure d'Ingénieurs de Caen, Université de Caen Normandie
Abstract: This device for measuring a magnetic field comprises: a magnetic field sensor, comprising: a probe, and a pick-up coil and a feedback coil coiled around the probe, and a control circuit, comprising: a generation module comprising a probe signal generation unit, configured to generate an electrical current, a preamplification module, a buffer module, configured to deliver an output signal of the control circuit defining an output magnetic field value, a piloting module configured to pilot the probe signal generation unit to generate the electrical current in the probe. The control circuit comprises a correction module configured to control a working magnetic field, corresponding to a magnetic field maximizing the magnetic field sensitivity of the probe and minimizing the magnetic field noise of the probe.
Type:
Grant
Filed:
January 8, 2021
Date of Patent:
August 13, 2024
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE NATIONALE SUPERIEURE D INGENIEURS DE CAEN, UNIVERSITE DE CAEN NORMANDIE
Abstract: The present application relates to novel mixed compounds based on oxides and sulfides, and the use thereof as a solid electrolyte, with improved sulfide stability. The application further relates to electrochemical elements and lithium batteries containing such electrolytes.
Type:
Application
Filed:
March 23, 2021
Publication date:
April 13, 2023
Applicants:
SAFT, Centre national de la recherche scientifique, ECOLE NATIONALE SUPERIEURE D INGENIEURS DE CAEN, UNIVERSITE DE CAEN NORMANDIE
Inventors:
Vincent PELE, Nadège ROUMEGOUS, Christian JORDY, Valérie PRALONG
Abstract: A process for treating a surface coating of a bulk metal part, comprises the steps of placing, in a cavity, at least one what is called metal part including what is called a surface coating that is able to absorb microwaves at the frequency ?0, the cavity being surrounded by one or a plurality of first susceptors the dimensions, material and arrangement of which are configured to screen the microwaves at the frequency ?0, in the vicinity of each the metal part, and in emitting the microwaves at the frequency ?0 into the cavity.
Type:
Grant
Filed:
March 25, 2016
Date of Patent:
January 5, 2021
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ECOLE NATIONALE SUPÉRIEURE D'INGÉNIEURS DE CAEN
Inventors:
Sylvain Marinel, Etienne Savary, Anthony Thuault, Romain Heuguet
Abstract: Some embodiments are directed to a method for the preparation of defect-free nanosized synthetic zeolite materials, to the defect-free nanosized synthetic zeolite materials, to stable colloidal suspensions of the defect-free synthetic zeolite materials, and to the use of the defect-free nanosized synthetic zeolite materials and the stable colloidal suspensions in various applications.
Type:
Grant
Filed:
October 22, 2015
Date of Patent:
May 12, 2020
Assignees:
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, ÉCOLE NATIONALE SUPÉRIEURE D'INGÉNIEURS DE CAEN, UNIVERSITÉ DE CAEN / UNIVERSITÉ DE BASSE-NORMANDIE