{"id":38936,"date":"2020-01-14T12:54:33","date_gmt":"2020-01-14T10:54:33","guid":{"rendered":"https:\/\/www.iemn.fr\/?p=38936"},"modified":"2020-01-14T14:13:19","modified_gmt":"2020-01-14T12:13:19","slug":"38936","status":"publish","type":"post","link":"https:\/\/www.iemn.fr\/en\/articles-temporaires\/38936.html","title":{"rendered":"THESIS: M. HALLOT - All-solid-state micro-batteries in Li-ion technology on planar and three-dimensional Silicon substrates for connected objects"},"content":{"rendered":"<div id='layer_slider_1'  class='avia-layerslider main_color avia-shadow  avia-builder-el-0  el_before_av_heading  avia-builder-el-first  container_wrap sidebar_right'  style='height: 261px;'  ><div id=\"layerslider_58_vuv6tb9z7ge6\" data-ls-slug=\"homepageslider\" class=\"ls-wp-container fitvidsignore ls-selectable\" style=\"width:1140px;height:260px;margin:0 auto;margin-bottom: 0px;\"><div class=\"ls-slide\" data-ls=\"duration:6000;transition2d:5;\"><img loading=\"lazy\" decoding=\"async\" width=\"2600\" height=\"270\" src=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1.jpg\" class=\"ls-bg\" alt=\"\" srcset=\"https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1.jpg 2600w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-300x31.jpg 300w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-768x80.jpg 768w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-1030x107.jpg 1030w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-1500x156.jpg 1500w, https:\/\/www.iemn.fr\/wp-content\/uploads\/2019\/01\/sliders_news1-705x73.jpg 705w\" sizes=\"auto, (max-width: 2600px) 100vw, 2600px\" \/><ls-layer style=\"font-size:14px;text-align:left;font-style:normal;text-decoration:none;text-transform:none;font-weight:700;letter-spacing:0px;border-style:solid;border-color:#000;background-position:0% 0%;background-repeat:no-repeat;width:180px;height:30px;left:0px;top:231px;line-height:32px;color:#ffffff;border-radius:6px 6px 6px 6px;padding-left:50px;background-color:rgba(0, 0, 0, 0.57);\" class=\"ls-l ls-ib-icon ls-text-layer\" data-ls=\"minfontsize:0;minmobilefontsize:0;\"><i class=\"fa fa-quote-right\" style=\"color:#ffffff;margin-right:0.8em;font-size:1em;transform:translateY( -0.125em );\"><\/i>ACTUALITES<\/ls-layer><\/div><\/div><\/div><div id='after_layer_slider_1'  class='main_color av_default_container_wrap container_wrap sidebar_right'  ><div class='container av-section-cont-open' ><div class='template-page content  av-content-small alpha units'><div class='post-entry post-entry-type-page post-entry-38936'><div class='entry-content-wrapper clearfix'>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k5dr2qcy-791e9fe960fe8c3ee90d06200be74f7c\">\n#top .av-special-heading.av-k5dr2qcy-791e9fe960fe8c3ee90d06200be74f7c{\nmargin:0 0 10px 0;\npadding-bottom:4px;\n}\nbody .av-special-heading.av-k5dr2qcy-791e9fe960fe8c3ee90d06200be74f7c .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-k5dr2qcy-791e9fe960fe8c3ee90d06200be74f7c .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-k5dr2qcy-791e9fe960fe8c3ee90d06200be74f7c av-special-heading-h2  avia-builder-el-1  el_after_av_layerslider  el_before_av_hr  avia-builder-el-first'><h2 class='av-special-heading-tag'  itemprop=\"headline\"  >THESIS: M. HALLOT - All-solid-state micro-batteries in Li-ion technology on planar and three-dimensional Silicon substrates for connected objects<\/h2><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-18u73nj-dad6a947580930e400fc42ba200e80f1\">\n#top .hr.av-18u73nj-dad6a947580930e400fc42ba200e80f1{\nmargin-top:5px;\nmargin-bottom:5px;\n}\n.hr.av-18u73nj-dad6a947580930e400fc42ba200e80f1 .hr-inner{\nwidth:100%;\n}\n<\/style>\n<div  class='hr av-18u73nj-dad6a947580930e400fc42ba200e80f1 hr-custom  avia-builder-el-2  el_after_av_heading  el_before_av_textblock  hr-left hr-icon-no'><span class='hr-inner inner-border-av-border-thin'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-jriy64i8-2f4600354c0449b610997916bbd9b6bc'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" >\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-13ewzjw-68e036126b913e5028f77311dc66b825\">\n.av_font_icon.av-13ewzjw-68e036126b913e5028f77311dc66b825{\ncolor:#bfbfbf;\nborder-color:#bfbfbf;\n}\n.av_font_icon.av-13ewzjw-68e036126b913e5028f77311dc66b825 .av-icon-char{\nfont-size:60px;\nline-height:60px;\n}\n<\/style>\n<span  class='av_font_icon av-13ewzjw-68e036126b913e5028f77311dc66b825 avia_animate_when_visible av-icon-style- avia-icon-pos-left avia-icon-animate'><span class='av-icon-char' aria-hidden='true' data-av_icon='\ue8c9' data-av_iconfont='entypo-fontello' ><\/span><\/span>\n<p><strong>M. HALLOT<br \/>\n<\/strong><\/p>\n<p>Soutenance : 15 novembre 2019 \u00e0 11h00<strong><br \/>\n<\/strong>IEMN Amphitheatre - Central Laboratory - Villeneuve d'Ascq<\/p>\n<\/div><\/section>\n<section  class='av_textblock_section av-jtefqx33-628129dba2299b2ecd65ebfc92eac29d'   itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><div  class='hr av-kjh3zw-4dff888f744b728a1aca9b3a0971493a hr-default  avia-builder-el-6  avia-builder-el-no-sibling'><span class='hr-inner'><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<h5><strong><span style=\"color: #800000;\">Jury :<\/span><\/strong><\/h5>\n<ul>\n<li>Marie-Paule BESLAND, Directrice de recherche CNRS, IMN, Universit\u00e9 de Nantes, Rapporteur<\/li>\n<li>Thierry DJENIZIAN, Professeur \u00e0 l\u2019Ecole des Mines de St Etienne, CMP, Gardanne, Rapporteur<\/li>\n<li>Laurence CROGUENNEC, Directrice de recherche CNRS, ICMCB, Universit\u00e9 de Bordeaux, Examinateur<\/li>\n<li>Thierry BROUSSE, Professeur des Universit\u00e9s, IMN, Universit\u00e9 de Nantes, Examinateur<\/li>\n<li>Pascal ROUSSEL, Directeur de recherche CNRS, UCCS, Universit\u00e9 de Lille, Examinateur<\/li>\n<li>Christophe LETHIEN, Ma\u00eetre de conf\u00e9rences HDR, IEMN, Universit\u00e9 de Lille, Directeur de Th\u00e8se<\/li>\n<\/ul>\n<h5>Summary:<\/h5>\n<p>La miniaturisation des appareils connect\u00e9s (Internet des objets, IoT) s&rsquo;accompagne d&rsquo;une r\u00e9duction de la taille des syst\u00e8mes conventionnels de stockage \u00e9lectrochimique de l&rsquo;\u00e9nergie (piles et batteries) r\u00e9duisant de ce fait leurs performances. Pour pallier \u00e0 ce probl\u00e8me et pouvoir d\u00e9ployer de larges r\u00e9seaux de capteurs connect\u00e9s et autonomes, il est indispensable de repenser l&rsquo;architecture des micro-batteries Lithium-ion en d\u00e9veloppant des micro-dispositifs de stockage performants tout solide en configuration 3D.<\/p>\n<p>Le mat\u00e9riau d&rsquo;\u00e9lectrode positive LiMn<sub>1.5<\/sub>Ni<sub>0.5<\/sub>O<sub>4<\/sub> (LMNO) semble \u00eatre un candidat id\u00e9al pour maximiser la tension de la micro-batterie Li-ion. Il op\u00e8re \u00e0 haut potentiel (4.7 V vs Li\/Li<sup>+<\/sup>) et est capable de d\u00e9livrer une capacit\u00e9 th\u00e9orique normalis\u00e9e de 65 \u00b5Ah.cm<sup>-2<\/sup>.\u00b5m<sup>-1<\/sup>. Afin d&rsquo;\u00e9tudier ce mat\u00e9riau d&rsquo;\u00e9lectrode, des couches minces de LMNO ont \u00e9t\u00e9 r\u00e9alis\u00e9es par pulv\u00e9risation cathodique RF-magn\u00e9tron jusqu\u2019\u00e0 l\u2019obtention de performances \u00e0 l&rsquo;\u00e9tat de l&rsquo;art. Dans le cadre de cette th\u00e8se, des micro-batteries Li-ion tout solide planaires ont \u00e9t\u00e9 fabriqu\u00e9es en utilisant ce mat\u00e9riau d\u2019\u00e9lectrodes.<\/p>\n<p>L&rsquo;objectif\u00a0final de ces travaux est de r\u00e9aliser des micro-batteries 3D Li-ion tout solide. La pulv\u00e9risation cathodique ne permettant pas de r\u00e9aliser des d\u00e9p\u00f4ts de mat\u00e9riaux sur des architectures tridimensionnelles \u00e0 haut rapport d\u2019aspect, nous avons donc d\u00e9velopp\u00e9 le d\u00e9p\u00f4t de couches minces de mat\u00e9riaux lithi\u00e9s par ALD (Atomic Layer Deposition). Ainsi, des \u00e9lectrodes de LiMn<sub>2<\/sub>O<sub>4<\/sub> et de LiMn<sub>1.5<\/sub>Ni<sub>0.5<\/sub>O<sub>4<\/sub> ont \u00e9t\u00e9 r\u00e9alis\u00e9s sur des substrats planaires et 3D \u00e0 tr\u00e8s haut rapport d&rsquo;aspect (80\u00a0:1). Ces \u00e9lectrodes tridimensionnelles ont pour finalit\u00e9 d\u2019\u00eatre int\u00e9gr\u00e9es dans des micro-batteries 3D Li-ion tout solide.<\/p>\n<\/div><\/section>","protected":false},"excerpt":{"rendered":"","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-38936","post","type-post","status-publish","format-standard","hentry","category-articles-temporaires"],"_links":{"self":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/38936","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/comments?post=38936"}],"version-history":[{"count":0,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/posts\/38936\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/media?parent=38936"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/categories?post=38936"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.iemn.fr\/en\/wp-json\/wp\/v2\/tags?post=38936"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}