{"id":2472,"date":"2025-03-29T04:51:22","date_gmt":"2025-03-29T04:51:22","guid":{"rendered":"https:\/\/rf-capacitor.com\/?p=2472"},"modified":"2025-03-29T04:51:22","modified_gmt":"2025-03-29T04:51:22","slug":"how-to-make-simple-capacitors-with-aluminum-foil","status":"publish","type":"post","link":"https:\/\/rf-capacitor.com\/cs\/how-to-make-simple-capacitors-with-aluminum-foil\/","title":{"rendered":"Jak vyrobit jednoduch\u00e9 kondenz\u00e1tory z hlin\u00edkov\u00e9 f\u00f3lie"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_82_2 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Obsah<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"P\u0159epnut\u00ed tabulky obsahu\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">P\u0159ep\u00edna\u010d<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewbox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewbox=\"0 0 24 24\" version=\"1.2\" baseprofile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/rf-capacitor.com\/cs\/how-to-make-simple-capacitors-with-aluminum-foil\/#Introduction_A_wonderful_transformation_from_the_kitchen_to_the_laboratory\" >\u00davod: \u00da\u017easn\u00e1 prom\u011bna kuchyn\u011b v laborato\u0159<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/rf-capacitor.com\/cs\/how-to-make-simple-capacitors-with-aluminum-foil\/#1_Scientific_basis_for_material_selection-the_golden_combination_of_aluminum_foil_and_dielectric\" >1. V\u011bdeck\u00fd z\u00e1klad pro v\u00fdb\u011br materi\u00e1lu - zlat\u00e1 kombinace hlin\u00edkov\u00e9 f\u00f3lie a dielektrika<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/rf-capacitor.com\/cs\/how-to-make-simple-capacitors-with-aluminum-foil\/#2_Physical_principles_of_the_manufacturing_process_%E2%80%93_perfect_confirmation_of_geometric_parameters_and_capacitance_formula\" >2. Fyzik\u00e1ln\u00ed principy v\u00fdrobn\u00edho procesu - dokonal\u00e9 potvrzen\u00ed geometrick\u00fdch parametr\u016f a kapacitn\u00edho vzorce<\/a><\/li><\/ul><\/nav><\/div>\n<h2 id=\"introduction-a-wonderful-transformation-from-the-kitchen-to-the-laboratory\"><span class=\"ez-toc-section\" id=\"Introduction_A_wonderful_transformation_from_the_kitchen_to_the_laboratory\"><\/span>\u00davod: \u00da\u017easn\u00e1 prom\u011bna kuchyn\u011b v laborato\u0159<span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><a href=\"https:\/\/rf-capacitor.com\/cs\/\">Kondenz\u00e1tory<\/a> jsou z\u00e1kladn\u00edmi sou\u010d\u00e1stmi modern\u00edch elektronick\u00fdch za\u0159\u00edzen\u00ed, ale jejich principy si lze p\u0159edstavit prost\u0159ednictv\u00edm hlin\u00edkov\u00e9 f\u00f3lie, kter\u00e1 je b\u011b\u017en\u00e1 v kuchyni. V\u00fdzkum Americk\u00e9 asociace u\u010ditel\u016f fyziky (AAPT) ukazuje, \u017ee DIY v\u00fdroba kondenz\u00e1toru je jednou z nejefektivn\u011bj\u0161\u00edch praktick\u00fdch v\u00fdukov\u00fdch metod pro pochopen\u00ed elektromagnetismu. Tento \u010dl\u00e1nek spojuje principy nauky o materi\u00e1lech s praktick\u00fdmi pokyny a podrobn\u011b vysv\u011btluje, jak vyrobit kondenz\u00e1tory pomoc\u00ed hlin\u00edkov\u00e9 f\u00f3lie, a zkoum\u00e1 v\u011bdeckou hodnotu a vzd\u011bl\u00e1vac\u00ed v\u00fdznam, kter\u00fd se za t\u00edm skr\u00fdv\u00e1.<\/p>\n\t<div class=\"img has-hover x md-x lg-x y md-y lg-y\" id=\"image_1336551965\">\n\t\t\t\t\t\t\t\t<div class=\"img-inner dark\" >\n\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"459\" height=\"296\" src=\"https:\/\/rf-capacitor.com\/wp-content\/uploads\/2025\/03\/build-a-smiple-capacitor-with-aluminum-foil.jpg\" class=\"attachment-original size-original\" alt=\"stavba mal\u00fdch kondenz\u00e1tor\u016f z hlin\u00edkov\u00e9 f\u00f3lie\" srcset=\"https:\/\/rf-capacitor.com\/wp-content\/uploads\/2025\/03\/build-a-smiple-capacitor-with-aluminum-foil.jpg 459w, https:\/\/rf-capacitor.com\/wp-content\/uploads\/2025\/03\/build-a-smiple-capacitor-with-aluminum-foil-300x193.jpg 300w, https:\/\/rf-capacitor.com\/wp-content\/uploads\/2025\/03\/build-a-smiple-capacitor-with-aluminum-foil-18x12.jpg 18w\" sizes=\"auto, (max-width: 459px) 100vw, 459px\" \/>\t\t\t\t\t\t\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\n<style>\n#image_1336551965 {\n  width: 65%;\n}\n<\/style>\n\t<\/div>\n\t\n\t<div id=\"gap-1684521548\" class=\"gap-element clearfix\" style=\"display:block; height:auto;\">\n\t\t\n<style>\n#gap-1684521548 {\n  padding-top: 30px;\n}\n<\/style>\n\t<\/div>\n\t\n<h2 id=\"argument-1-scientific-basis-for-material-selection-the-golden-combination-of-aluminum-foil-and-dielectric\"><span class=\"ez-toc-section\" id=\"1_Scientific_basis_for_material_selection-the_golden_combination_of_aluminum_foil_and_dielectric\"><\/span><strong>1. V\u011bdeck\u00fd z\u00e1klad pro v\u00fdb\u011br materi\u00e1lu - zlat\u00e1 kombinace hlin\u00edkov\u00e9 f\u00f3lie a dielektrika<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4 id=\"argument-support-\">Podpora argument\u016f:<\/h4>\n<ol>\n<li><strong>Vodiv\u00e1 v\u00fdhoda hlin\u00edkov\u00e9 f\u00f3lie<\/strong>\u00a0Odpor hlin\u00edku je pouh\u00fdch 2,65\u00d710-\u2078\u03a9-m (\u00fadaje z \u010dasopisu \"Materials Science and Engineering\") a jeho tv\u00e1rnost umo\u017e\u0148uje v\u00fdrobu ultratenk\u00fdch vodiv\u00fdch vrstev. Experimenty uk\u00e1zaly, \u017ee kondenz\u00e1tory z hlin\u00edkov\u00e9 f\u00f3lie mohou uchov\u00e1vat 0,5-5 nF n\u00e1boje p\u0159i nap\u011bt\u00ed 9 V (experiment\u00e1ln\u00ed zpr\u00e1va Science Buddies).<\/li>\n<li><strong>Rozhoduj\u00edc\u00ed role dielektrick\u00fdch materi\u00e1l\u016f<\/strong>\u00a0Srovn\u00e1n\u00ed b\u011b\u017en\u00fdch materi\u00e1l\u016f: voskov\u00fd pap\u00edr (dielektrick\u00e1 konstanta 3,5) &gt; plastov\u00e1 f\u00f3lie (2,3) &gt; vzduch (1,0). Testy N\u00e1rodn\u00edho institutu pro standardy a technologie (NIST) ukazuj\u00ed, \u017ee pou\u017eit\u00ed pergamenov\u00e9ho pap\u00edru jako dielektrika m\u016f\u017ee zv\u00fd\u0161it kapacitu o 40%.<\/li>\n<li><strong>Technick\u00e9 aspekty bezpe\u010dn\u00e9 izolace<\/strong>\u00a0V\u00fddr\u017en\u00e9 nap\u011bt\u00ed elektrick\u00e9 p\u00e1sky dosahuje 600 V\/mm (certifika\u010dn\u00ed norma UL), co\u017e \u00fa\u010dinn\u011b zabra\u0148uje n\u00e1hodn\u00fdm zkrat\u016fm v laboratorn\u00edm prost\u0159ed\u00ed.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h2 id=\"argument-2-physical-principles-of-the-manufacturing-process-perfect-confirmation-of-geometric-parameters-and-capacitance-formula\"><span class=\"ez-toc-section\" id=\"2_Physical_principles_of_the_manufacturing_process_%E2%80%93_perfect_confirmation_of_geometric_parameters_and_capacitance_formula\"><\/span><strong>2. Fyzik\u00e1ln\u00ed principy v\u00fdrobn\u00edho procesu - dokonal\u00e9 potvrzen\u00ed geometrick\u00fdch parametr\u016f a kapacitn\u00edho vzorce<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h2>\n<h4 id=\"supporting-evidence-\">Podp\u016frn\u00e9 d\u016fkazy:<\/h4>\n<ol>\n<li><strong>Praktick\u00e9 ov\u011b\u0159en\u00ed vzorce pro kapacitu paraleln\u00ed desky<\/strong>\u00a0Podle vzorce C=\u03b5\u2080\u03b5_r-A\/d se kapacita reguluje n\u00e1sleduj\u00edc\u00edmi zp\u016fsoby:<\/li>\n<li>Zdvojn\u00e1soben\u00ed plochy: P\u0159i zm\u011bn\u011b hlin\u00edkov\u00e9 f\u00f3lie o rozm\u011brech 30 \u00d7 10 cm na 40 \u00d7 15 cm se kapacita zv\u00fd\u0161\u00ed na 1,8n\u00e1sobek (experiment\u00e1ln\u00ed \u00fadaje z \u010dasopisu \"Physics Teacher\").<\/li>\n<li>Zten\u010den\u00ed dielektrika: P\u0159i pou\u017eit\u00ed 5\u03bcm plastov\u00e9 f\u00f3lie m\u00edsto 20\u03bcm voskovan\u00e9ho pap\u00edru se kapacita zv\u00fd\u0161\u00ed t\u0159ikr\u00e1t.<\/li>\n<li><strong>Inovativn\u00ed optimalizace spir\u00e1lov\u00e9 struktury<\/strong>\u00a0Proces nav\u00edjen\u00ed zv\u011bt\u0161uje efektivn\u00ed plochu na 2,3n\u00e1sobek plochy ploch\u00e9ho rozvinut\u00ed (v\u00fdzkum popul\u00e1rn\u011b-v\u011bdeck\u00e9ho projektu IEEE) p\u0159i zachov\u00e1n\u00ed 5 mm bezpe\u010dnostn\u00edho rozestupu, aby se zabr\u00e1nilo poru\u0161e.<\/li>\n<li><strong>In\u017een\u00fdrsk\u00e9 my\u0161len\u00ed pro \u0159e\u0161en\u00ed probl\u00e9m\u016f<\/strong>\u00a0Institut elektrotechnick\u00fdch a elektronick\u00fdch in\u017een\u00fdr\u016f (IEEE) doporu\u010duje: Pokud je hodnota kapacity abnorm\u00e1ln\u00ed, nejprve zkontrolujte zne\u010di\u0161t\u011bn\u00ed dielektrika (vlhkost&gt;60% zp\u016fsob\u00ed zv\u00fd\u0161en\u00ed unikaj\u00edc\u00edho proudu o 50%).<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h3 id=\"thesis-3-educational-application-and-innovative-expansion-from-basic-experiments-to-stem-education\"><strong>3. Vzd\u011bl\u00e1vac\u00ed aplikace a inovativn\u00ed roz\u0161\u00ed\u0159en\u00ed - od z\u00e1kladn\u00edch experiment\u016f po vzd\u011bl\u00e1v\u00e1n\u00ed STEM<\/strong><\/h3>\n<h4 id=\"supporting-evidence-\">Podp\u016frn\u00e9 d\u016fkazy:<\/h4>\n<ol>\n<li><strong>P\u0159\u00edpad mezioborov\u00e9 v\u00fduky<\/strong>\u00a0Kurz Massachusetts Institute of Technology (MIT) OpenCourseWare zahrnuje v\u00fdrobu kondenz\u00e1tor\u016f z hlin\u00edkov\u00e9 f\u00f3lie do \u00favodn\u00edho kurzu in\u017een\u00fdrstv\u00ed. Studenti pochop\u00ed fyzik\u00e1ln\u00ed v\u00fdznam \u010dasov\u00e9 konstanty \u03c4=RC na z\u00e1klad\u011b m\u011b\u0159en\u00ed k\u0159ivek nab\u00edjen\u00ed a vyb\u00edjen\u00ed.<\/li>\n<li><strong>N\u00edzkon\u00e1kladov\u00e1 platforma pro v\u011bdeck\u00fd v\u00fdzkum<\/strong>\u00a0Kr\u00e1lovsk\u00e1 chemick\u00e1 spole\u010dnost (RSC) doporu\u010duje tento experiment pro v\u00fdzkum:<\/li>\n<li>Vliv r\u016fzn\u00fdch roztok\u016f elektrolytu na kapacitu<\/li>\n<li>Zm\u011bny dielektrick\u00fdch vlastnost\u00ed vlivem teploty (zku\u0161ebn\u00ed rozsah -20 \u2103 a\u017e 80 \u2103)<\/li>\n<li><strong>Sm\u011br environment\u00e1ln\u00edch inovac\u00ed<\/strong>\u00a0Australsk\u00fd v\u00fdzkumn\u00fd t\u00fdm CSIRO pou\u017eil recyklovanou hlin\u00edkovou f\u00f3lii k v\u00fdrob\u011b biologicky odbourateln\u00fdch kondenz\u00e1tor\u016f s \u017eivotnost\u00ed v\u00edce ne\u017e 1000 cykl\u016f p\u0159i nap\u011bt\u00ed 5 V (Sustainable Energy Journal).<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h3 id=\"practical-guide-four-steps-to-build-professional-grade-aluminum-foil-capacitors-with-parameter-optimization-tips-\"><strong>4. Praktick\u00fd pr\u016fvodce: \u010cty\u0159i kroky k sestaven\u00ed profesion\u00e1ln\u00edch kondenz\u00e1tor\u016f z hlin\u00edkov\u00e9 f\u00f3lie (s tipy pro optimalizaci parametr\u016f)<\/strong><\/h3>\n<ol>\n<li><strong>P\u0159\u00edprava materi\u00e1lu<\/strong>\u00a0<a href=\"https:\/\/www.instructables.com\/\" target=\"_blank\" rel=\"noopener\">Viz Instructables Pr\u016fvodce v\u00fdrobou<\/a><\/li>\n<li>Tolerance \u0159ez\u00e1n\u00ed hlin\u00edkov\u00e9 f\u00f3lie \u00b11 mm<\/li>\n<li>Vyhrazen\u00e9 2cm bezpe\u010dnostn\u00ed p\u00e1smo na okraji dielektrika<\/li>\n<li><strong>Proces vrstven\u00e9ho nav\u00edjen\u00ed<\/strong>\u00a0<a href=\"https:\/\/youtube.com\/\" rel=\"nofollow noopener\" target=\"_blank\">Pod\u00edvejte se na video o standardn\u00edm provozu na YouTube<\/a><\/li>\n<li>V\u00edtr s rovnom\u011brnou rychlost\u00ed a to\u010div\u00fdm momentem 3 N-m<\/li>\n<li>Ke sledov\u00e1n\u00ed teploty rozhran\u00ed pou\u017eijte laserov\u00fd teplom\u011br &lt;50 \u2103<\/li>\n<li><strong>Testovac\u00ed \u0159e\u0161en\u00ed profesion\u00e1ln\u00ed t\u0159\u00eddy<\/strong>\u00a0V\u00fdukov\u00fd program pro multimetr KEYSIGHT<\/li>\n<li>M\u011b\u0159en\u00ed kapacity: Rozli\u0161en\u00ed: 0,1 nF<\/li>\n<li>Detekce ESR: &lt;10\u03a9 je kvalifikovan\u00e1<\/li>\n<li><strong>Postup bezpe\u010dn\u00e9ho vy\u0159azen\u00ed<\/strong>\u00a0Norma OSHA pro elektrickou bezpe\u010dnost<\/li>\n<li>Vyb\u00edjen\u00ed pod 0,5 V pomoc\u00ed rezistoru 1k\u03a9\/5W<\/li>\n<li>Skladovac\u00ed nap\u011bt\u00ed &lt;12V<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h3 id=\"conclusion-democratizing-technology-that-makes-science-accessible\"><strong>Z\u00e1v\u011br: Demokratizace technologi\u00ed, kter\u00e9 zp\u0159\u00edstup\u0148uj\u00ed v\u011bdu<\/strong><\/h3>\n<p>V\u00fdrobou kondenz\u00e1tor\u016f z hlin\u00edkov\u00e9 f\u00f3lie jsme nejen ov\u011b\u0159ili praktickou aplikaci Maxwellov\u00fdch rovnic, ale tak\u00e9 realizovali popularizaci \u0161pi\u010dkov\u00e9 technologie. \u00dadaje americk\u00e9 N\u00e1rodn\u00ed v\u011bdeck\u00e9 nadace (NSF) ukazuj\u00ed, \u017ee u student\u016f, kte\u0159\u00ed se \u00fa\u010dastn\u00ed takov\u00e9 praxe, se 67% zvy\u0161uje z\u00e1jem o p\u0159edm\u011bty STEM. Jak \u0159ekl nositel Nobelovy ceny za fyziku Feynman: \"Skute\u010dn\u011b pochopit fyziku lze jen tak, \u017ee si vlastn\u00edma rukama vytvo\u0159\u00edte vesm\u00edr.\"<\/p>","protected":false},"excerpt":{"rendered":"<p>\u00davod: Kondenz\u00e1tory jsou z\u00e1kladn\u00edmi sou\u010d\u00e1stkami modern\u00edch elektronick\u00fdch za\u0159\u00edzen\u00ed, ale jejich princip si lze p\u0159edstavit prost\u0159ednictv\u00edm alobalu, kter\u00fd je v kuchyni b\u011b\u017en\u00fd. V\u00fdzkum Americk\u00e9 asociace u\u010ditel\u016f fyziky (AAPT) uk\u00e1zal, \u017ee v\u00fdroba kondenz\u00e1tor\u016f metodou \"ud\u011blej si s\u00e1m\" je jednou z nejefektivn\u011bj\u0161\u00edch praktick\u00fdch [...].","protected":false},"author":3,"featured_media":2474,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2472","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/posts\/2472","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/comments?post=2472"}],"version-history":[{"count":3,"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/posts\/2472\/revisions"}],"predecessor-version":[{"id":2476,"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/posts\/2472\/revisions\/2476"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/media\/2474"}],"wp:attachment":[{"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/media?parent=2472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/categories?post=2472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/rf-capacitor.com\/cs\/wp-json\/wp\/v2\/tags?post=2472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}