{"id":82300,"date":"2024-01-14T13:12:50","date_gmt":"2024-01-14T13:12:50","guid":{"rendered":"https:\/\/www.electricity-magnetism.org\/pile-cr1220-taille-tension-capacite-avantage-et-utilisations\/"},"modified":"2024-01-23T12:58:55","modified_gmt":"2024-01-23T12:58:55","slug":"pile-cr1220-taille-tension-capacite-avantage-et-utilisations","status":"publish","type":"post","link":"https:\/\/www.electricity-magnetism.org\/fr\/pile-cr1220-taille-tension-capacite-avantage-et-utilisations\/","title":{"rendered":"Pile CR1220 | Taille, tension, capacit\u00e9, avantage et utilisations"},"content":{"rendered":"<h2>Introduction \u00e0 la Batterie CR1220<\/h2>\n<p>La batterie CR1220 est une pile bouton \u00e0 base de lithium m\u00e9tallique de 3V, largement utilis\u00e9e dans diverses applications telles que les lampes de poche LED, les jouets et de nombreux appareils m\u00e9dicaux. Cette batterie se distingue par sa haute tension, sa faible auto-d\u00e9charge et une dur\u00e9e de vie exceptionnellement longue pouvant atteindre 10 ans.<\/p>\n<h2>Caract\u00e9ristiques et Avantages<\/h2>\n<p>Les caract\u00e9ristiques remarquables de la batterie CR1220 incluent :<\/p>\n<ul>\n<li>Une plage de temp\u00e9rature de fonctionnement \u00e9tendue (-30\u00b0C \u00e0 +60\u00b0C).<\/li>\n<li>Une tension \u00e9lev\u00e9e de 3V et une faible auto-d\u00e9charge.<\/li>\n<li>Une dur\u00e9e de conservation allant jusqu&rsquo;\u00e0 10 ans.<\/li>\n<li>Un rapport poids-puissance tr\u00e8s \u00e9lev\u00e9 et une protection \u00e9lev\u00e9e contre les fuites.<\/li>\n<li>Aucun ajout de mercure.<\/li>\n<\/ul>\n<p>En g\u00e9n\u00e9ral, les batteries au lithium m\u00e9tallique comme la CR1220 offrent une densit\u00e9 \u00e9nerg\u00e9tique tr\u00e8s \u00e9lev\u00e9e, le double de celle des batteries alcalines haut de gamme.<\/p>\n<h2>La Chimie des Batteries au Lithium M\u00e9tallique<\/h2>\n<p>Les batteries au lithium m\u00e9tallique fonctionnent sur le principe de r\u00e9actions redox spontan\u00e9es entre deux \u00e9lectrodes s\u00e9par\u00e9es par un \u00e9lectrolyte conducteur ionique et isolant \u00e9lectriquement. Leur r\u00e9action globale (pour les cellules Li\/MnO<sub>2<\/sub>) est : Li(s) + MnIV<sub>O<\/sub><sub>2<\/sub>(s) \u21cc MnIII<sub>O<\/sub><sub>2<\/sub>(Li<sup>+<\/sup>) [E\u00b0 = +3.19 V].<\/p>\n<h2>Applications et Utilisations<\/h2>\n<p>La batterie CR1220 est utilis\u00e9e dans une multitude d&rsquo;applications, notamment les montres num\u00e9riques, les stylos laser, les calculatrices, les appareils de fitness, les cl\u00e9s de voiture et les dispositifs m\u00e9dicaux comme les tensiom\u00e8tres et les thermom\u00e8tres cliniques.<\/p>\n<h2>Dimensions, Poids et Capacit\u00e9<\/h2>\n<p>La CR1220 mesure 12 mm de diam\u00e8tre et 2,0 mm d&rsquo;\u00e9paisseur, pour un poids de seulement 1 gramme. Sa capacit\u00e9 typique est dans la plage de 35-40 mAh. M\u00eame apr\u00e8s 10 ans, ces batteries conservent 90% de leur capacit\u00e9 initiale, gr\u00e2ce \u00e0 la stabilit\u00e9 chimique du lithium et du dioxyde de mangan\u00e8se.<\/p>\n<h2>Avantages et Inconv\u00e9nients<\/h2>\n<p>Les avantages des batteries au lithium m\u00e9tallique comprennent une densit\u00e9 \u00e9nerg\u00e9tique \u00e9lev\u00e9e, une longue dur\u00e9e de vie op\u00e9rationnelle (15 \u00e0 20 ans pour le chlorure de thionyle au lithium) et une large plage de temp\u00e9ratures de fonctionnement. Toutefois, elles sont non rechargeables et peuvent \u00eatre moins \u00e9cologiques compar\u00e9es aux batteries rechargeables.<\/p>\n<h2>Conclusion<\/h2>\n<p>La batterie CR1220 est un choix de premier ordre pour les applications n\u00e9cessitant une source d&rsquo;\u00e9nergie fiable, de longue dur\u00e9e, avec une faible auto-d\u00e9charge et une grande r\u00e9sistance aux variations de temp\u00e9rature. Sa polyvalence et ses performances \u00e9lev\u00e9es en font un \u00e9l\u00e9ment essentiel dans de nombreux dispositifs \u00e9lectroniques modernes.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.electricity-magnetism.org\/wp-content\/uploads\/2022\/11\/CR1220-battery-size-voltage-capacity.png\" alt=\"CR1220 Battery\" \/><\/p>\n<div style=\"text-align: center; font-size: 20px;\">\n    <a href=\"https:\/\/www.electricity-magnetism.org\/electric-battery\/cr1220-battery\/\">Original Article<\/a>\n<\/div>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une pile CR1220 est une pile bouton \u00e0 base de lithium-m\u00e9tal de 3 V utilis\u00e9e dans une large gamme d&rsquo;applications telles que les lampes de poche LED, les jouets et de nombreux appareils m\u00e9dicaux.<\/p>\n","protected":false},"author":1,"featured_media":5198,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_generate-full-width-content":"","footnotes":""},"categories":[10],"tags":[],"class_list":["post-82300","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v17.9 - 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