The Knowledge Factory - Sur le même thème https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/supercapacitors-carbon-nanotube-mats-on-aluminum-foil.aspx DRF english version en-US https://www.cea.fr/_layouts/15/images/i2i/icon-144x144-1033.png The Knowledge Factory - Sur le même thème https://www.cea.fr/drf/english Rapid screening of lithium-ion battery electrolytes by radiolysis https://www.cea.fr/drf/english/Pages/News/Scientific-results/2022/rapid-screening-of-lithium-ion-battery-electrolytes-by-radiolysis.aspx Researchers at Iramis, CEA-Liten and their partners in Nantes have shown that it is possible to quickly select the best electrolyte for a lithium-ion battery by gamma irradiation. The production of dihydrogen therefore provides a marker of the electrolyte’s performance. Lithium-ion batteries ; Energy storage ; Tools & research instruments general public ; Researchers ; Journalists Iramis Découvertes et avancées ; Scientific result Thu, 20 Oct 2022 10:00:00 GMT The CEA: France's leading patent-applying research organization in Europe https://www.cea.fr/drf/english/Pages/News/Institutional-news/2022/the-CEA-france-leading-patent-applying-research-organization-in-Europe.aspx On April 5, the European Patent Office (EPO) published its annual report, the Patent Index 2021, an innovation barometer listing worldwide patent applications on the European market. The CEA is the only French research organization in the top 50, ranking 35th with 528 patent applications filed with the EPO in 2021. In the field of semiconductors, the CEA is the only European player in the top 5. Innovation for industry ; Institutional general public ; Journalists ; Companies ; Partners Valorisation News Patent Policy;EPO;patent application;Patent Index 2021;European Patent Office;semiconductors;Innovation; Mon, 11 Apr 2022 10:00:00 GMT Protection to boost innovation https://www.cea.fr/drf/english/Pages/News/Institutional-news/2022/protection-to-boost-innovation.aspx The CEA recently published its intellectual property charter developed for its industry partners. Objectives: present the key points of its strategy implemented to protect and exploit R&D results to enhance the competitiveness, technological sovereignty and technology transfers of its partners. Innovation for industry Journalists ; Researchers ; Institutions ; general public Valorisation News technology transfers;Intellectual Property;industry;industry partners;Innovation;invention; Thu, 07 Apr 2022 10:00:00 GMT More durable hybrid membranes for fuel cells https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/more-durable-hybrid-membranes-for-fuel-cells-.aspx Based in particular on multiscale morphological analyses, researchers at the CEA-Irig have developed a new generation of hybrid proton exchange membranes for fuel cells with promising performance and durability. Energy storage general public ; Journalists ; Researchers IRIG Découvertes et avancées ; Scientific result Tue, 01 Jun 2021 10:00:00 GMT In-Pb anodes for use with Mg-ion batteries https://www.cea.fr/drf/english/Pages/News/Scientific-results/2021/in-pb-anodes-for-use-with-mg-ion-batteries.aspx A team from the CEA-Iramis has developed a new negative electrode material for Mg-ion batteries, based on the compound In-Pb. The synergistic action of indium and lead favors a high electrical capacity, to the detriment of the material’s reversibility, which needs to be further investigated. Batteries ; Chemistry ; Energy storage general public ; Journalists ; Researchers Iramis Scientific result Mon, 14 Dec 2020 11:00:00 GMT A new process for making antibacterial food films https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/a-new-process-for-making-antibacterial-food-films.aspx Chemists working at Iramis and their partners have developed a new process for producing an antibacterial food film. Chemistry ; Technologies ; Innovation for industry general public ; Journalists ; Researchers Iramis Scientific result Mon, 09 Nov 2020 11:00:00 GMT Investigation of a nano-architectured composite anode https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/investigation-of-a-nano-architectured-composite-anode.aspx In order to improve lithium-ion batteries, IRIG researchers are replacing the graphite of the negative electrode with silicon-based materials that can store much more lithium. These new nano-architected composite materials are made up of active domains of Si-amorphous and crystalline FeSi2 nanoparticles dispersed in a graphite matrix. They are studying the ageing phenomenon of these anodes capable of withstanding 700 cycles with a capacity of nearly 70%. Lithium-ion batteries general public ; Journalists ; Researchers IRIG Scientific result Mon, 02 Nov 2020 11:00:00 GMT Anisotropic functionalization of gold nanoparticles assisted by surface plasmons https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/Anisotropic-functionalization-of-gold-nanoparticles-assisted-by-surface-plasmons.aspx Researchers at the CEA-Iramis and their partners have locally grafted organic molecules onto gold nanoparticles, using two photopolymerization steps. This new flexible functionalization technique can be used for applications ranging from biosensing to photonics. Photonics ; Micro-nanotechnologies ; Chemistry ; Laser ; Diagnosis ; Innovation for industry general public ; Journalists ; Researchers Iramis Scientific result Wed, 05 Aug 2020 10:00:00 GMT Methanol synthesis as part of the circular economy of carbon and silicon https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/Methanol-synthesis-as-part-of-the-circular-economy-of-carbon-and-silicon.aspx Chemists at Iramis have proposed a new pathway for the catalytic synthesis of methanol from a formic acid derivative – a waste product of the silicon industry – whose by-products can be recycled. This is a high-yield, sustainable and environmentally friendly process that can be used for energy storage and fine chemistry! Chemistry ; Recovery of CO2 ; Innovation for industry general public ; Journalists ; Researchers Iramis Scientific result Wed, 15 Jul 2020 10:00:00 GMT Supercapacitors: carbon nanotube “mats” on aluminum foil https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/supercapacitors-carbon-nanotube-mats-on-aluminum-foil.aspx A new electrode material for supercapacitors has been developed by the Iramis and its partners: composed of carbon nanotube “mats” aligned on aluminum foil, it should significantly increase the amount of stored electrical power. This is an essential result for their industrialization by the startup company NawaTechnologies. Energy storage ; Innovation for industry general public ; Journalists ; Researchers Scientific result Thu, 20 Feb 2020 11:00:00 GMT Detecting trace amounts of uranium in water https://www.cea.fr/drf/english/Pages/News/Scientific-results/2020/detecting-trace-amounts-of-uranium-in-water.aspx The Captot heavy metal sensor, developed by the Iramis-LSI over the last ten years, could be used to detect traces of uranium in water. This would be a simple, rapid field solution to monitor the environment, for example during the cleanup and dismantling of nuclear facilities. Chemistry ; Environment ; Remediation ; Radioactivity ; Materials ; Technologies ; Innovation for industry general public ; Journalists ; Researchers Iramis Scientific result ; Industrial partnerships Thu, 09 Jan 2020 11:00:00 GMT Irradiating electrodes for more powerful and long-lived Li-ion batteries https://www.cea.fr/drf/english/Pages/News/Scientific-results/2019/irradiating-electrodes-for-more-powerful-li-ion-batteries.aspx A large collaboration including the Iramis and two other CEA divisions (Basic Research Division and Nuclear Energy Division) has proposed to irradiate the graphite anodes of Li-ion batteries before their first use. This technique, similar to food or medicine processing, would lead to better results than the current industrial techniques for a potentially lower cost. Batteries ; Innovation for industry Journalists ; general public ; Researchers Iramis Scientific result Mon, 18 Feb 2019 11:00:00 GMT BACCARA discovers the secret of capacity decay in Nano-silicon-based Lithium-ion Batteries https://www.cea.fr/drf/english/Pages/News/Institutional-news/2018/BACCARA-discovers-the-secret-of-capacity-decay--in-Nano-silicon-based-Lithium-ion-Batteries.aspx Scientists have performed a thorough analysis of promising silicon-based electrode technology with regard to Li-ion battery decay in the course of charge/discharge cycles. Oversaw by the CEA, this project was carried out through a balanced partnership between three academic and as many industry partners. Energies ; Energy efficiency ; Energy storage ; Batteries ; Lithium-ion batteries Journalists ; general public ; Researchers Grenoble News ; Newsletter ; CEA Research News ; European & international partnerships decay;H2020;batteries;Li-Ion;energy union and climate; Fri, 02 Feb 2018 17:00:00 GMT Doping graphene nanosheets for on-chip supercapacitors https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/doping-graphene-nanosheets-for-on-chip-supercapacitors.aspx Three teams from the Inac have manufactured and characterized highly nitrogen-doped graphene nanosheets and tested them as supercapacitor electrodes. The performances obtained compare favorably with state of the art carbon electrodes. This promising technology has yet to be optimized for on-chip applications. Energy storage Researchers ; general public ; Journalists Inac Scientific result Wed, 13 Dec 2017 11:00:00 GMT Ionic Liquid: Weak or Strong Electrolyte? https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/ionic-liquid-weak-or-strong-electrolyte.aspx A collaboration involving IRAMIS has characterized the paradoxical properties of ionic liquids— electrolytes which appear as either strong or weak depending on the scale that they are probed—and inferred a path to improve their electrical conductivity. Confined in carbon nanotubes, the electrolyte under scrutiny is very stable at high temperature and could be put to good use in batteries or fuel cells. Energy storage Researchers ; general public ; Journalists Iramis Scientific result Sun, 15 Oct 2017 10:00:00 GMT Higher Efficiency Achieved in Li-ion Batteries Thanks to Metal Oxide Nanoparticles https://www.cea.fr/drf/english/Pages/News/Scientific-results/2017/higher-efficienc-achieved-in-li--on-batteries-thanks-to-metal-oxide-nanoparticles.aspx A collaboration led by IRAMIS has demonstrated that the graphite in Li-ion batteries electrodes can be advantageously replaced by a material made of nitrogen-doped tin oxide nanoparticles. Energy storage Researchers ; general public ; Journalists Iramis Scientific result nanoparticules;nanotechologie;dopage;pyrolyse laser;SnO2;batterie Lithium-ion; Wed, 12 Jul 2017 10:00:00 GMT