{"id":4122,"date":"2017-07-12T09:44:27","date_gmt":"2017-07-12T07:44:27","guid":{"rendered":"https:\/\/www.factorenergia.com\/ca\/?post_type=blog&#038;p=4122"},"modified":"2025-07-31T15:45:27","modified_gmt":"2025-07-31T13:45:27","slug":"com-fabricar-una-pila-casolana","status":"publish","type":"post","link":"https:\/\/www.factorenergia.com\/ca\/blog\/histories-positives\/com-fabricar-una-pila-casolana\/","title":{"rendered":"Com fabricar una pila casolana"},"content":{"rendered":"<p><span>\n<script type=\"text\/javascript\" id=\"auto-index\" async defer>\n\n      function indexContent(context){\n\n      var container = document.querySelector(context);\n\n      element = document.getElementById(\"accordion-index\");\n      var titles = Array.from(container.querySelectorAll(\"h2,h3\"));\n\n      for (var i = 0, l = titles.length; i < l; i++) {\n\n\t\tjQuery('#accordionIndex').show();\n\n        var tit = titles[i];\n\t\tvar newTitle = tit.textContent.toLowerCase().replace(\/[^a-zA-Z ]\/g, \"\").replace(\/\\s\/g, '-');\n\t\tvar numTag = Number(tit.tagName.replace(\/[^1-9]\/g, \"\"));\n\t\tvar tagWidth = (numTag*20);\n\n\t\tvar preText = '<span style=\"margin-left:' + tagWidth + 'px\"><\/span>';\n\n        tit.setAttribute(\"id\", newTitle);\n\t\tjQuery(tit).addClass('h-inline');\n\t\t\n\t\tvar toIndex = '<p class=\"h-inline\"><a class=\"blog-toindex\" href=\"#accordionIndex\"><span class=\"glyphicon glyphicon-chevron-up\" aria-hidden=\"true\"><\/span><\/a><\/p>';\n\n\t\tjQuery(toIndex).insertAfter(tit);\n\n        var node = document.createElement(\"LI\");                 \n        var link = document.createElement(\"A\");\n        var textnode = document.createTextNode(tit.textContent);\n\n        link.appendChild(textnode);\n        link.setAttribute(\"href\", '#' + newTitle);\n\t\t\/\/link.setAttribute(\"style\", \"margin-left:\" + tagWidth + \"px\");\n\t\tlink.setAttribute(\"class\", \"acc-h\" + numTag);\n        node.appendChild(link);\n\n        element.appendChild(node);\n\n      }\n    }\n\n    jQuery(document).ready(function(){\t\t\n\t\tindexContent(\".single-post-content\");\n\n\t\tjQuery(\".accordion-toggle\").click(function() {\n\t\t\tjQuery(this).toggleClass(\"open\");\n\t\t\tjQuery(\"#collapseIndex\").slideToggle(\"in\");\n\t\t});\n\t});\n\n\n<\/script>\n\n<style>\n\t.accordion-toggle{\n\t\tcursor:pointer;\n\t}\n\n\t#accordionIndex .panel-heading{\n\t\tmargin-bottom:0px;\n\t}\n\n\t.articulo ul, .articulo ol{\n\t\tmargin-bottom:auto;\n\t}\n\n\t.h-inline{\n\t\tdisplay: inline-flex;\n\t\tflex-wrap: wrap\n\t}\n\t#accordion-index{\n\t\tpadding-left:0px;\n\t}\n\t#accordion-index li a{\n\t\tdisplay:block;\n\t\tpadding-top:5px;\n\t}\n\n\t.acc-h2{\n\t\tmargin-left:0px;\n\t\tposition: relative;\n\t}\n\n\t.acc-h3{\n\t\tmargin-left:25px;\n\t}\n\n\t.acc-h3::before{\n\t\tcontent: \"\";\n\t\tbackground-color:var(--blue-light);\n\t\tmargin-left:-10px;\n\t\twidth: 7px;\n\t\theight: 7px;\n\t\tdisplay: inline-block;\n\t\ttext-align: center;\n\t\tborder-radius: 1000px;\n\t\tmargin-right: 10px;\n    \tmargin-bottom: 2px;\n\t}\n\n\t.acc-h4{\n\t\tmargin-left:40px;\n\t}\n\n\t.acc-h4::before{\n\t\tcontent: \"\";\n\t\tborder: 1px solid var(--blue-light);\n\t\tmargin-left:-5px;\n\t\twidth: 7px;\n\t\theight: 7px;\n\t\tdisplay: inline-block;\n\t\ttext-align: center;\n\t\tborder-radius: 100%;\n\t\tmargin-right: 10px;\n    \tmargin-bottom: 2px;\n\t}\n\n\t.acc-h3:hover::before{\n\t\tbackground-color: var(--blue-darkest);\n\t}\n\n\t.acc-h4:hover::before{\n\t\tborder-color: var(--blue-darkest);\n\t}\n\n\t@media (max-width: 992px){\n\t\t.acc-h2{\n\t\t\tmargin-left:0px;\n\t\t}\n\t\t.acc-h3{\n\t\t\tmargin-left:20px;\n\t\t}\n\t\t.acc-h4{\n\t\t\tmargin-left:40px;\n\t\t}\n\t}\n\n\t\/*\n\th2.h-inline:after,\n\th3.h-inline:after{\n\t\theight: 24px;\n\t\tcontent: \"\";\n\t\tdisplay: table-row;\n\t}*\/\n<\/style>\n\n<div id=\"table-accordion-index\">\n\t<div class=\"panel-group\" id=\"accordionIndex\">\n\t\t<div class=\"panel panel-default\">\n\t\t\t<div class=\"panel-heading\">\n\t\t\t\t<div class=\"panel-title open\"><div class=\"accordion-toggle\" data-toggle=\"collapse\" data-parent=\"#accordion\" aria-expanded=\"true\">\u00edndex<\/div><\/div>\n\t\t\t<\/div>\n\t\t\t<div id=\"collapseIndex\" class=\"panel-collapse collapse in\" aria-expanded=\"true\">\n\t\t\t\t<div class=\"panel-body\">\n\t\t\t\t\t<ul id=\"accordion-index\">\n\t\t\t\t\t<\/ul>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\t<\/div>\n<\/div><\/span><\/p>\n<p>Avui proposem un experiment casol\u00e0 per fer amb nens. Fabricarem una pila casolana per tal d\u2019explicar el funcionament m\u00e9s b\u00e0sic de l\u2019electricitat.<\/p>\n<p>Acostumem a dir que les piles emmagatzemen energia, per\u00f2 en realitat no \u00e9s aix\u00ed del tot; es tracta d\u2019una reacci\u00f3 qu\u00edmica que es transforma en el\u00e8ctrica gr\u00e0cies als elements que reaccionen dins la pila.<\/p>\n<p>La pila, inventada per Alessandro Volta, permet generar electricitat a petita escala, i podem fer-ne una aix\u00ed:<\/p>\n<h2>Qu\u00e8 es necessita per fabricar una pila casolana?<\/h2>\n<p>Per aquest experiment, necessitar\u00e0s materials que podr\u00e0s trobar molt f\u00e0cilment, incl\u00fas a casa teva:<\/p>\n<p>8 monedes de 5 c\u00e8ntims; un vaset amb vinagre; cinta adhesiva; volanderes (arets) de metall; cartr\u00f3; cables de coure; un LED de 3V.<\/p>\n<p><picture><source srcset=\"https:\/\/www.factorenergia.com\/wp-content\/webp-express\/webp-images\/uploads\/2017\/07\/MATERIALES.jpg.webp 627w, https:\/\/www.factorenergia.com\/wp-content\/webp-express\/webp-images\/uploads\/2017\/07\/MATERIALES-300x227.jpg.webp 300w, https:\/\/www.factorenergia.com\/wp-content\/webp-express\/webp-images\/uploads\/2017\/07\/MATERIALES-234x177.jpg.webp 234w, https:\/\/www.factorenergia.com\/wp-content\/webp-express\/webp-images\/uploads\/2017\/07\/MATERIALES-90x68.jpg.webp 90w, https:\/\/www.factorenergia.com\/wp-content\/webp-express\/webp-images\/uploads\/2017\/07\/MATERIALES-170x129.jpg.webp 170w, https:\/\/www.factorenergia.com\/wp-content\/webp-express\/webp-images\/uploads\/2017\/07\/MATERIALES-475x360.jpg.webp 475w, https:\/\/www.factorenergia.com\/wp-content\/webp-express\/webp-images\/uploads\/2017\/07\/MATERIALES-396x300.jpg.webp 396w\" sizes=\"(max-width: 627px) 100vw, 627px\" type=\"image\/webp\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.factorenergia.com\/wp-content\/uploads\/2017\/07\/MATERIALES.jpg\" alt=\"fer una pila\" width=\"627\" height=\"475\" class=\"aligncenter wp-image-4121 size-full webpexpress-processed\" title=\"fabricar una pila casolana\" srcset=\"https:\/\/www.factorenergia.com\/wp-content\/uploads\/2017\/07\/MATERIALES.jpg 627w, https:\/\/www.factorenergia.com\/wp-content\/uploads\/2017\/07\/MATERIALES-300x227.jpg 300w, https:\/\/www.factorenergia.com\/wp-content\/uploads\/2017\/07\/MATERIALES-234x177.jpg 234w, https:\/\/www.factorenergia.com\/wp-content\/uploads\/2017\/07\/MATERIALES-90x68.jpg 90w, https:\/\/www.factorenergia.com\/wp-content\/uploads\/2017\/07\/MATERIALES-170x129.jpg 170w, https:\/\/www.factorenergia.com\/wp-content\/uploads\/2017\/07\/MATERIALES-475x360.jpg 475w, https:\/\/www.factorenergia.com\/wp-content\/uploads\/2017\/07\/MATERIALES-396x300.jpg 396w\" sizes=\"(max-width: 627px) 100vw, 627px\"><\/picture><\/p>\n<h3>Com fabricar una pila casolana<\/h3>\n<p>Agafem el cartr\u00f3 i tallem cercles d\u2019una mida una mica inferior al de les monedes de 5 c\u00e8ntims. Despr\u00e9s de tallar-los, els ficarem dins un vaset amb vinagre durant uns 10 minuts perqu\u00e8 quedin ben mullats.<\/p>\n<p>Un cop passats els 10 minuts, <strong>apilarem els materials<\/strong> en aquest ordre:<\/p>\n<p>Conta adhesiva \u2013 extrem del cable de coure \u2013 moneda \u2013 cartr\u00f3 amb vinagre \u2013 volandera \u2013 altre extrem del cable de coure.<\/p>\n<p><strong>Repetirem el proc\u00e9s fins a esgotar les vuit monedes<\/strong> i, per \u00faltim, embolicarem amb la cinta els materials apilats i connectarem el cable al LED.<\/p>\n<p>El cable que est\u00e0 en contacte amb la moneda ser\u00e0 el costat positiu i el connectarem a la \u201cpota\u201d m\u00e9s llarga. El que contacta amb la volandera ser\u00e0 el costat negatiu i el connectarem amb la \u201cpota\u201d curta. Veur\u00e0s com s\u2019enc\u00e9n el LED!<\/p>\n\r\n<script type=\"text\/javascript\" async defer>\r\n\r\n    jQuery(document).ready(function(){\t\t\r\n\t\t\r\n\t});\r\n<\/script>\r\n\r\n<style>\r\n\t.block-interested_posts{\r\n        margin-top: 10px;\r\n        padding: 20px;\r\n        border: 2px solid #92C200;\r\n    }\r\n    .block-interested_posts ul{\r\n        margin-bottom:0px;\r\n    }\r\n    .block-interested_posts ul li{\r\n        margin-bottom:5px;\r\n    }\r\n    .block-interested_posts ul li a{\r\n        \/*color: #DF981E;*\/\r\n    }\r\n\r\n<\/style>\r\n\r\n<div class=\"block-interested_posts\">\r\n    <p><strong>Post que et poden interessar<\/strong><\/p>\r\n    <ul>\r\n                    <li><a href=\"https:\/\/www.factorenergia.com\/ca\/blog\/enten-la-factura-de-la-llum\/preu-de-la-llum-kilowat\/\" title=\"Unitats de mesura i preu de la llum\">Unitats de mesura i preu de la llum<\/a><\/li>\r\n                    <li><a href=\"https:\/\/www.factorenergia.com\/ca\/blog\/enten-la-factura-de-la-llum\/tarifa-discriminacio-horaria\/\" title=\"Les nostres tarifes amb Discriminaci\u00f3 Hor\u00e0ria\">Les nostres tarifes amb Discriminaci\u00f3 Hor\u00e0ria<\/a><\/li>\r\n            <\/ul>\t\r\n<\/div>\n<h3>Per qu\u00e8 funciona la pila?<\/h3>\n<p>Posant en contacte el vinagre amb el metall, provoquem una <strong>reacci\u00f3 qu\u00edmica que d\u00f3na lloc al moviment d\u2019electrons<\/strong>; generant una corrent el\u00e8ctrica.<\/p>\n<p>En aquest cas, el coure actua com a reductor del vinagre, que oxida la moneda i fa que aquesta cedeixi electrons al vinagre. Al oxidar-se la moneda, perd electrons, i aquests passen pel cartr\u00f3, i com que es tracta d\u2019un proc\u00e9s que es repeteix a trav\u00e9s de les vuit monedes que hem apilat per a formar la nostra pila casolana, es genera un flux d\u2019electrons constant (\u00e9s a dir, una corrent el\u00e8ctrica) que encenen el LED gracies al cable.<\/p>\n<p>Amb aquest experiment d\u2019Alessandro Volta, es va aconseguir generar electricitat a petita escala, permetent l\u2019\u00fas de petits electrodom\u00e8stics sense necessitat d\u2019estar endollats a la corrent.<\/p>\n<div class=\"text-center center blog-cta\"><p>Canvia't a factorenergia i estalvia un 12'5% a la Factura de la Llum ... Per Sempre!<\/p><a class=\"blog-cta primary-btn text-center solicitar-estudio\" target=\"_blank\" title=\"Truca Gratis o Contracta Online en 2 min\" href=\"https:\/\/www.factorenergia.com\/ca\/canvia-de-companyia\/\">Truca Gratis o Contracta Online en 2 min<\/a><p><\/p><div style=\"display:none;\"><p>Canvia't a factorenergia i estalvia un 12'5% a la Factura de la Llum ... Per Sempre!<\/p><\/div>\n\t\t\t<script type='text\/javascript'>\n\t\t\t\tjQuery('.solicitar-estudio').click(function(){\t\t\t\t\t\t\t\t\t\n\t\t\t\t\tdataLayer.push({'language': 'ca'});\n\t\t\t\t\tdataLayer.push({'post_id': '4122'});\n\t\t\t\t\tdataLayer.push({'cat_type': 'luz'});\n\t\t\t\t});\n\t\t\t<\/script>\n\t\t<\/div><br\/>\n<p>I si vols <a href=\"https:\/\/alta.factorenergia.com\/es\/checkout-l\/1\" title=\"estalviar a la factura d'electricitat\" target=\"_blank\" rel=\"noopener noreferrer\">estalviar en la teva factura de la llum<\/a>, <strong>truca\u2019ns gratis al 900 850 000<\/strong> i contracta Factorenergia. Tamb\u00e9 pots fer-ho online en nom\u00e9s 5 minuts i demanar factura electr\u00f2nica, a qu\u00e8 esperes?<\/p>\n<div id=\"gtx-trans\" style=\"position: absolute; left: -4px; top: 1223.16px;\">\n<div class=\"gtx-trans-icon\"><\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Diem que les piles emmagatzemen energia, per\u00f2 no \u00e9s aix\u00ed; es tracta d\u2019una reacci\u00f3 com la que veurem en aquesta pila casolana que fabricarem.<\/p>\n","protected":false},"author":17,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[58],"tags":[],"acf":{"fecha_de_la_entrada":"20170712","imagen_portada":4125,"categoria_blog":null,"tipo_de_distribuidora":null,"tiempo_lectura":"","banner_bool":false,"titulo_banner":"","texto_banner":"","texto_boton_banner":"","url_boton_banner":"","post_relacionados":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v22.2 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Fabriquem una Pila Casolana - Experiments Cient\u00edfics per Nens<\/title>\n<meta name=\"description\" content=\"Diem que les piles emmagatzemen energia, per\u00f2 no \u00e9s aix\u00ed; 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