{"id":7870,"date":"2025-09-20T12:58:45","date_gmt":"2025-09-20T04:58:45","guid":{"rendered":"https:\/\/osencmag.com\/?p=7870"},"modified":"2026-01-13T09:24:31","modified_gmt":"2026-01-13T01:24:31","slug":"are-batteries-magnetic","status":"publish","type":"post","link":"https:\/\/osencmag.com\/fr\/are-batteries-magnetic\/","title":{"rendered":"Les piles sont-elles magn\u00e9tiques ? Le guide complet du magn\u00e9tisme des piles"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Are batteries magnetic? It&#8217;s a question I get asked more often than you&#8217;d think. And honestly, I used to wonder about this myself when I was organizing my toolbox and noticed some batteries sticking to my magnetic parts tray.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here&#8217;s the short answer: batteries themselves aren&#8217;t magnetic. But there&#8217;s a lot more to this story that might surprise you. In this post, as a professional <a href=\"https:\/\/osencmag.com\/fr\/\">fabricant d'aimants en n\u00e9odyme<\/a>, je vais mener une analyse approfondie du magn\u00e9tisme de la batterie.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" src=\"https:\/\/osencmag.com\/wp-content\/uploads\/2025\/09\/are-batteries-magnetic-picture.jpg\" alt=\"Les piles sont-elles magn\u00e9tiques ?\" class=\"wp-image-7871\"\/><\/figure>\n\n\n  \r\n    \r\n<div id=\"wpj-jtoc\" class=\"wpj-jtoc wpj-jtoc--main --jtoc-the-content --jtoc-theme-wikipedia --jtoc-title-align-left --jtoc-toggle-icon --jtoc-toggle-position-right --jtoc-toggle-1 --jtoc-has-numeration --jtoc-numeration-legacy --jtoc-has-custom-styles --jtoc-is-folded --jtoc-align-left\" >\r\n  <!-- TOC -->\r\n        <div class=\"wpj-jtoc--toc wpj-jtoc--toc-inline\" >\r\n              <div class=\"wpj-jtoc--header\">\r\n        <div class=\"wpj-jtoc--header-main\">\r\n                    <div class=\"wpj-jtoc--title\">\r\n                        <span class=\"wpj-jtoc--title-label\">Table des mati\u00e8res<\/span>\r\n          <\/div>\r\n                                <div class=\"wpj-jtoc--toggle-wrap\">\r\n                                                          <div class=\"wpj-jtoc--toggle-box\">\r\n                  <div class=\"wpj-jtoc--toggle\"><\/div>\r\n                <\/div>\r\n                          <\/div>\r\n                  <\/div>\r\n      <\/div>\r\n            <div class=\"wpj-jtoc--body\">\r\n            <nav class=\"wpj-jtoc--nav\">\r\n        <ol class=\"wpj-jtoc--items\"><li class=\"wpj-jtoc--item --jtoc-h2\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h2\" data-depth=\"2\">\r\n                                                <a href=\"#are-batteries-magnetic\"  title=\"Les piles sont-elles magn\u00e9tiques ?\" data-numeration=\"1\">Les piles sont-elles magn\u00e9tiques ?<\/a>\r\n                    <\/div><ol class=\"wpj-jtoc--items\"><li class=\"wpj-jtoc--item --jtoc-h3\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h3\" data-depth=\"3\">\r\n                                                <a href=\"#the-truth-about-batteries-and-magnetism\"  title=\"La v\u00e9rit\u00e9 sur les piles et le magn\u00e9tisme\" data-numeration=\"1.1\">La v\u00e9rit\u00e9 sur les piles et le magn\u00e9tisme<\/a>\r\n                    <\/div><\/li><\/ol><\/li><li class=\"wpj-jtoc--item --jtoc-h2\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h2\" data-depth=\"2\">\r\n                                                <a href=\"#why-some-batteries-stick-to-magnets-and-others-dont\"  title=\"Pourquoi certaines piles adh\u00e8rent aux aimants (et d&#039;autres non)\" data-numeration=\"2\">Pourquoi certaines piles adh\u00e8rent aux aimants (et d'autres non)<\/a>\r\n                    <\/div><ol class=\"wpj-jtoc--items\"><li class=\"wpj-jtoc--item --jtoc-h3\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h3\" data-depth=\"3\">\r\n                                                <a href=\"#batteries-that-are-attracted-to-magnets\"  title=\"Les piles qui SONT attir\u00e9es par les aimants :\" data-numeration=\"2.1\">Les piles qui SONT attir\u00e9es par les aimants :<\/a>\r\n                    <\/div><\/li><li class=\"wpj-jtoc--item --jtoc-h3\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h3\" data-depth=\"3\">\r\n                                                <a href=\"#batteries-that-arent-attracted-to-magnets\"  title=\"Les piles qui ne sont PAS attir\u00e9es par les aimants :\" data-numeration=\"2.2\">Les piles qui ne sont PAS attir\u00e9es par les aimants :<\/a>\r\n                    <\/div><\/li><\/ol><\/li><li class=\"wpj-jtoc--item --jtoc-h2\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h2\" data-depth=\"2\">\r\n                                                <a href=\"#the-electromagnetic-field-connection\"  title=\"Le lien avec les champs \u00e9lectromagn\u00e9tiques\" data-numeration=\"3\">Le lien avec les champs \u00e9lectromagn\u00e9tiques<\/a>\r\n                    <\/div><\/li><li class=\"wpj-jtoc--item --jtoc-h2\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h2\" data-depth=\"2\">\r\n                                                <a href=\"#what-about-those-non-magnetic-batteries\"  title=\"Qu&#039;en est-il de ces piles \u201c non magn\u00e9tiques \u201d ?\" data-numeration=\"4\">Qu'en est-il de ces piles \u201c non magn\u00e9tiques \u201d ?<\/a>\r\n                    <\/div><\/li><li class=\"wpj-jtoc--item --jtoc-h2\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h2\" data-depth=\"2\">\r\n                                                <a href=\"#can-magnets-damage-your-batteries\"  title=\"Les aimants peuvent-ils endommager vos batteries ?\" data-numeration=\"5\">Les aimants peuvent-ils endommager vos batteries ?<\/a>\r\n                    <\/div><ol class=\"wpj-jtoc--items\"><li class=\"wpj-jtoc--item --jtoc-h3\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h3\" data-depth=\"3\">\r\n                                                <a href=\"#but-theres-one-exception\"  title=\"Mais il y a une exception\u2026\" data-numeration=\"5.1\">Mais il y a une exception\u2026<\/a>\r\n                    <\/div><\/li><\/ol><\/li><li class=\"wpj-jtoc--item --jtoc-h2\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h2\" data-depth=\"2\">\r\n                                                <a href=\"#the-lithium-ion-battery-revolution\"  title=\"La r\u00e9volution des batteries lithium-ion\" data-numeration=\"6\">La r\u00e9volution des batteries lithium-ion<\/a>\r\n                    <\/div><\/li><li class=\"wpj-jtoc--item --jtoc-h2\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h2\" data-depth=\"2\">\r\n                                                <a href=\"#different-battery-types-and-their-magnetic-properties\"  title=\"Les diff\u00e9rents types de piles et leurs propri\u00e9t\u00e9s magn\u00e9tiques\" data-numeration=\"7\">Les diff\u00e9rents types de piles et leurs propri\u00e9t\u00e9s magn\u00e9tiques<\/a>\r\n                    <\/div><ol class=\"wpj-jtoc--items\"><li class=\"wpj-jtoc--item --jtoc-h3\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h3\" data-depth=\"3\">\r\n                                                <a href=\"#alkaline-batteries\"  title=\"Piles alcalines\" data-numeration=\"7.1\">Piles alcalines<\/a>\r\n                    <\/div><\/li><li class=\"wpj-jtoc--item --jtoc-h3\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h3\" data-depth=\"3\">\r\n                                                <a href=\"#button-batteries-watch-batteries\"  title=\"Piles boutons (piles de montre)\" data-numeration=\"7.2\">Piles boutons (piles de montre)<\/a>\r\n                    <\/div><\/li><li class=\"wpj-jtoc--item --jtoc-h3\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h3\" data-depth=\"3\">\r\n                                                <a href=\"#rechargeable-batteries\"  title=\"Batteries rechargeables\" data-numeration=\"7.3\">Batteries rechargeables<\/a>\r\n                    <\/div><\/li><li class=\"wpj-jtoc--item --jtoc-h3\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h3\" data-depth=\"3\">\r\n                                                <a href=\"#specialty-batteries\"  title=\"Batteries sp\u00e9cialis\u00e9es\" data-numeration=\"7.4\">Batteries sp\u00e9cialis\u00e9es<\/a>\r\n                    <\/div><\/li><\/ol><\/li><li class=\"wpj-jtoc--item --jtoc-h2\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h2\" data-depth=\"2\">\r\n                                                <a href=\"#real-world-applications-and-concerns\"  title=\"Applications concr\u00e8tes et enjeux\" data-numeration=\"8\">Applications concr\u00e8tes et enjeux<\/a>\r\n                    <\/div><\/li><li class=\"wpj-jtoc--item --jtoc-h2\">\r\n        <div class=\"wpj-jtoc--item-content --jtoc-h2\" data-depth=\"2\">\r\n                                                <a href=\"#the-bottom-line-on-battery-magnetism\"  title=\"Le point sur le magn\u00e9tisme des batteries\" data-numeration=\"9\">Le point sur le magn\u00e9tisme des batteries<\/a>\r\n                    <\/div><\/li><\/ol>      <\/nav>\r\n          <\/div>\r\n      <\/div>\r\n    <\/div>\r\n\n\n\n<h2 class=\"wp-block-heading\">Les piles sont-elles magn\u00e9tiques ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Non, les piles ne sont pas magn\u00e9tiques en elles-m\u00eames. Le bo\u00eetier d'une pile peut contenir des mat\u00e9riaux magn\u00e9tiques tels que l'acier, de sorte qu'il sera attir\u00e9 par un aimant, mais les composants internes de la pile elle-m\u00eame ne sont pas magn\u00e9tiques. Mais lorsque vous connectez une pile \u00e0 un circuit et qu'elle est travers\u00e9e par un courant, elle cr\u00e9e un l\u00e9ger champ \u00e9lectromagn\u00e9tique, comme le ferait n'importe quel conducteur travers\u00e9 par un courant.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">La v\u00e9rit\u00e9 sur les piles et le magn\u00e9tisme<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Laisse-moi t'expliquer \u00e7a plus en d\u00e9tail.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Batteries don&#8217;t generate their own magnetic field when they&#8217;re just sitting there. They&#8217;re designed to convert chemical energy into electrical energy &#8211; not to be magnets.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Mais c'est l\u00e0 que \u00e7a devient int\u00e9ressant :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">De nombreuses batteries <em>va<\/em> adh\u00e9rer \u00e0 un aimant. \u00c7a vous laisse perplexe ? Moi aussi, au d\u00e9but.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The reason is simple: it&#8217;s not the battery itself that&#8217;s magnetic &#8211; it&#8217;s the <strong>enveloppe en acier<\/strong> that many batteries use. Think of it like putting a non-magnetic apple inside a steel container. The apple isn&#8217;t magnetic, but the container sure is.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Why Some Batteries Stick to Magnets (And Others Don&#8217;t)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">J'ai r\u00e9cemment men\u00e9 une petite exp\u00e9rience dans mon atelier. J'ai rassembl\u00e9 tous les types de piles que j'ai pu trouver et je les ai test\u00e9es \u00e0 l'aide d'un puissant aimant en n\u00e9odyme.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here&#8217;s what I discovered:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Les piles qui SONT attir\u00e9es par les aimants :<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La plupart des piles boutons<\/strong> &#8211; These little guys usually have steel cases, so they&#8217;ll stick to magnets like nobody&#8217;s business.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Piles alcalines (AA, AAA, C, D)<\/strong> &#8211; The cylindrical cells <a class=\"wpil_keyword_link\" href=\"https:\/\/osencmag.com\/fr\/why-choose-osencmag\/\" target=\"_blank\" rel=\"noopener\" title=\"nous\" data-wpil-keyword-link=\"linked\" data-wpil-monitor-id=\"914\">nous<\/a> all have in our remotes? Yep, they&#8217;ve got steel casings too.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Batteries rechargeables au nickel-m\u00e9tal-hydrure (NiMH)<\/strong> &#8211; Same deal. Steel case = magnetic attraction.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Batteries That AREN&#8217;T Attracted to Magnets:<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Batteries au plomb-acide<\/strong> &#8211; Your car battery? It&#8217;s wrapped in plastic with lead inside. Neither material is magnetic.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Certaines batteries au lithium<\/strong> &#8211; Particularly the pouch-type cells used in phones and laptops. These use plastic wrapping instead of metal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Piles carbone-zinc<\/strong> &#8211; These older-style batteries have zinc cases, which aren&#8217;t magnetic.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le lien avec les champs \u00e9lectromagn\u00e9tiques<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Now, here&#8217;s something that blew my mind when I first learned it:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Lorsque vous connectez une pile \u00e0 un circuit et que le courant commence \u00e0 circuler, celle-ci <em>fait<\/em> create a magnetic field. But we&#8217;re talking about an <strong>champ \u00e9lectromagn\u00e9tique<\/strong> here &#8211; not permanent magnetism.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voyez les choses ainsi :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Any wire with electrical current flowing through it creates a magnetic field. It&#8217;s basic physics (thanks, Ampere&#8217;s Law!). So when your battery powers something, there&#8217;s a tiny magnetic field around the wires and the battery.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">But the moment you disconnect the battery? That field disappears faster than my kids when it&#8217;s time to clean their rooms.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">What About Those &#8220;Non-Magnetic&#8221; Batteries?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C'est ici que les choses deviennent vraiment int\u00e9ressantes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Certaines applications ne peuvent en aucun cas comporter <strong>propri\u00e9t\u00e9s magn\u00e9tiques<\/strong> \u00e0 proximit\u00e9 de ces appareils. On peut citer par exemple les appareils d'IRM, les \u00e9quipements scientifiques sensibles ou certaines applications militaires.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour ces situations, les fabricants produisent des piles sp\u00e9ciales non magn\u00e9tiques. Ils utilisent g\u00e9n\u00e9ralement :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Bo\u00eetiers en acier inoxydable non magn\u00e9tique<\/li>\n\n\n\n<li>Bo\u00eetiers en plastique<\/li>\n\n\n\n<li>Alliages sp\u00e9ciaux qui r\u00e9duisent au minimum le magn\u00e9tisme<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">But even these &#8220;non-magnetic&#8221; batteries aren&#8217;t perfect. When stainless steel is formed into a battery case, the manufacturing process can actually make it slightly magnetic. It&#8217;s way less magnetic than regular steel, but if you&#8217;ve got a strong enough magnet, you might still detect some attraction.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les aimants peuvent-ils endommager vos batteries ?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">C'est sans doute la question la plus importante, n'est-ce pas ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La bonne nouvelle<\/strong>: Placing a magnet near your batteries won&#8217;t hurt them.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Here&#8217;s why:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The chemical reactions inside a battery that create electricity don&#8217;t care about external magnetic fields. A magnet can&#8217;t mess with the acid solution, the electrodes, or the separator inside your battery.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">I&#8217;ve stored batteries in magnetic parts trays for years with zero issues. The batteries work just fine, hold their charge normally, and last as long as they should.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">But There&#8217;s One Exception&#8230;<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">If you&#8217;ve got a bunch of loose batteries rolling around with magnets, the batteries might stick together. And when battery terminals touch, they can short circuit and drain.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">So the danger isn&#8217;t from the magnet itself &#8211; it&#8217;s from batteries potentially touching each other.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">La r\u00e9volution des batteries lithium-ion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Des recherches r\u00e9centes sur <strong>batteries lithium-ion<\/strong> et les champs magn\u00e9tiques a permis de mettre au jour quelque chose de fascinant.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Des scientifiques ont d\u00e9couvert que les champs magn\u00e9tiques externes peuvent en r\u00e9alit\u00e9 <em>am\u00e9liorer<\/em> les performances de la batterie. Comment ?<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Le champ magn\u00e9tique peut :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Acc\u00e9l\u00e9rer le mouvement des ions lithium dans l'\u00e9lectrolyte<\/li>\n\n\n\n<li>R\u00e9duire la r\u00e9sistance interne<\/li>\n\n\n\n<li>Optimiser l'efficacit\u00e9 de la charge et de la d\u00e9charge<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">En effet, le prix Nobel de chimie 2019 a \u00e9t\u00e9 d\u00e9cern\u00e9 aux inventeurs des batteries lithium-ion, et les recherches sur les effets des champs magn\u00e9tiques se poursuivent.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Some studies show that batteries exposed to magnetic fields during charging can charge faster and more efficiently. We&#8217;re not talking about massive improvements here &#8211; maybe 5-10% in the best cases &#8211; but hey, every little bit helps.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Les diff\u00e9rents types de piles et leurs propri\u00e9t\u00e9s magn\u00e9tiques<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Let&#8217;s dive deeper into specific <strong>types de batteries<\/strong> que vous avez peut-\u00eatre chez vous :<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Piles alcalines<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Des piles Duracell ou Energizer classiques ? Elles sont dot\u00e9es d'un bo\u00eetier en acier et adh\u00e8rent sans aucun doute aux aimants. L'acier sert \u00e0 garantir leur durabilit\u00e9 et \u00e0 emp\u00eacher les fuites.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Piles boutons (piles de montre)<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Most button cells like CR2032s have stainless steel cases. They&#8217;re weakly magnetic &#8211; a strong magnet will pick them up, but they won&#8217;t stick as firmly as alkaline batteries.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Batteries rechargeables<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>NiMH et NiCd<\/strong>: Bo\u00eetiers en acier, clairement magn\u00e9tiques<\/li>\n\n\n\n<li><strong>Cellules cylindriques au lithium-ion<\/strong>: G\u00e9n\u00e9ralement des bo\u00eetiers en acier, magn\u00e9tiques<\/li>\n\n\n\n<li><strong>Pochettes en polym\u00e8re de lithium<\/strong>: Gaine en plastique, g\u00e9n\u00e9ralement non magn\u00e9tique (bien que certaines contiennent une feuille de nickel \u00e0 l'int\u00e9rieur)<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Batteries sp\u00e9cialis\u00e9es<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Batteries au lithium-chlorure de thionyle<\/strong>: Ces mod\u00e8les sont fabriqu\u00e9s en acier inoxydable non magn\u00e9tique, mais comportent souvent une tige centrale en alliage Kovar magn\u00e9tique<\/li>\n\n\n\n<li><strong>Piles au lithium-dioxyde de mangan\u00e8se<\/strong>: Faiblement magn\u00e9tique en raison de son bo\u00eetier en acier inoxydable<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">Applications concr\u00e8tes et enjeux<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">You might be wondering: &#8220;When does this actually matter?&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voici quelques situations concr\u00e8tes dans lesquelles le magn\u00e9tisme des batteries joue un r\u00f4le important :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Dispositifs m\u00e9dicaux<\/strong>: Les stimulateurs cardiaques et autres dispositifs implant\u00e9s doivent \u00eatre \u00e9quip\u00e9s de piles non magn\u00e9tiques afin d'\u00e9viter toute interf\u00e9rence avec <a href=\"https:\/\/en.wikipedia.org\/wiki\/Magnetic_resonance_imaging\" rel=\"nofollow noopener\" target=\"_blank\">IRM<\/a>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Aviation et navigation maritime<\/strong>: Les interf\u00e9rences avec les compas constituent un r\u00e9el probl\u00e8me ; c'est pourquoi l'emplacement des batteries rev\u00eat une grande importance dans les avions et les bateaux.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mat\u00e9riel scientifique<\/strong>: Les mesures pr\u00e9cises de champs magn\u00e9tiques n\u00e9cessitent des sources d'alimentation non magn\u00e9tiques.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Rangement et organisation<\/strong>: Savoir quelles piles sont magn\u00e9tiques peut s'av\u00e9rer utile pour organiser votre atelier ou choisir des solutions de rangement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Le point sur le magn\u00e9tisme des batteries<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Let&#8217;s wrap this up with the key takeaways:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>Batteries themselves aren&#8217;t magnets<\/strong> &#8211; they don&#8217;t create permanent magnetic fields<\/li>\n\n\n\n<li>De nombreuses piles adh\u00e8rent aux aimants en raison de leur <strong>enveloppes en acier<\/strong>, et non pas parce que la batterie est magn\u00e9tique<\/li>\n\n\n\n<li><strong>Magnets won&#8217;t damage your batteries<\/strong> ou nuire \u00e0 leurs performances<\/li>\n\n\n\n<li>Lorsqu'un courant traverse une batterie, il g\u00e9n\u00e8re un champ \u00e9lectromagn\u00e9tique temporaire<\/li>\n\n\n\n<li>Sp\u00e9cial <strong>batteries non magn\u00e9tiques<\/strong> existent pour les applications sensibles<\/li>\n\n\n\n<li>Certaines recherches de pointe sugg\u00e8rent que les champs magn\u00e9tiques pourraient en r\u00e9alit\u00e9 am\u00e9liorer les performances des batteries<\/li>\n<\/ol>\n\n\n\n<p class=\"wp-block-paragraph\">So the next time someone asks you &#8220;are batteries magnetic?&#8221;, you can give them the full story. It&#8217;s not a simple yes or no answer &#8211; it depends on what part of the battery we&#8217;re talking about and what exactly we mean by &#8220;magnetic.&#8221;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">And if you&#8217;re like me and use magnetic trays to organize small parts, go ahead and toss your batteries in there too. Just keep them from touching each other, and you&#8217;ll be fine.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The world of batteries is constantly evolving, and who knows? Maybe in 2025 we&#8217;ll see magnetic field-enhanced charging become standard in electric vehicles or smartphones. The intersection of magnetism and battery technology is just beginning to be explored, and I&#8217;m excited to see where it goes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">N'oubliez pas : les piles sont-elles magn\u00e9tiques ? Pas vraiment. Mais sont-elles attir\u00e9es par les aimants ? Souvent, oui. Et maintenant, vous savez exactement pourquoi.<\/p>","protected":false},"excerpt":{"rendered":"<p>Non, les piles ne sont pas magn\u00e9tiques en elles-m\u00eames. Le bo\u00eetier d'une pile peut contenir des mat\u00e9riaux magn\u00e9tiques tels que l'acier, de sorte qu'il sera attir\u00e9 par un aimant, mais les composants internes de la pile elle-m\u00eame ne sont pas magn\u00e9tiques. Mais lorsque vous connectez une pile \u00e0 un circuit et qu'elle est travers\u00e9e par un courant, elle cr\u00e9e un l\u00e9ger champ \u00e9lectromagn\u00e9tique, comme le ferait n'importe quel conducteur travers\u00e9 par un courant.<\/p>","protected":false},"author":69,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[57],"tags":[],"class_list":["post-7870","post","type-post","status-publish","format-standard","hentry","category-industry-information"],"_links":{"self":[{"href":"https:\/\/osencmag.com\/fr\/wp-json\/wp\/v2\/posts\/7870","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/osencmag.com\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/osencmag.com\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/osencmag.com\/fr\/wp-json\/wp\/v2\/users\/69"}],"replies":[{"embeddable":true,"href":"https:\/\/osencmag.com\/fr\/wp-json\/wp\/v2\/comments?post=7870"}],"version-history":[{"count":1,"href":"https:\/\/osencmag.com\/fr\/wp-json\/wp\/v2\/posts\/7870\/revisions"}],"predecessor-version":[{"id":8034,"href":"https:\/\/osencmag.com\/fr\/wp-json\/wp\/v2\/posts\/7870\/revisions\/8034"}],"wp:attachment":[{"href":"https:\/\/osencmag.com\/fr\/wp-json\/wp\/v2\/media?parent=7870"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/osencmag.com\/fr\/wp-json\/wp\/v2\/categories?post=7870"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/osencmag.com\/fr\/wp-json\/wp\/v2\/tags?post=7870"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}