{"id":87100,"date":"2026-05-15T22:38:08","date_gmt":"2026-05-15T22:38:08","guid":{"rendered":"https:\/\/www.europesays.com\/cz\/87100\/"},"modified":"2026-05-15T22:38:08","modified_gmt":"2026-05-15T22:38:08","slug":"osel-cz-nastupce-medi-klasicky-kov-kabelu-nahrazuji-uhlikova-nanovlakna","status":"publish","type":"post","link":"https:\/\/www.europesays.com\/cz\/87100\/","title":{"rendered":":: OSEL.CZ :: &#8211; N\u00e1stupce m\u011bdi: Klasick\u00fd kov kabel\u016f nahrazuj\u00ed uhl\u00edkov\u00e1 nanovl\u00e1kna"},"content":{"rendered":"\n<p>M\u011b\u010f si u\u017eila v elektrick\u00e9 kabel\u00e1\u017ei spoustu z\u00e1bavy po dlouh\u00e9 des\u00edtky let. Jej\u00ed \u00e9ra se ale mo\u017en\u00e1 ch\u00fdl\u00ed ke konci. \u0160pan\u011bl\u0161t\u00ed materi\u00e1lov\u00ed v\u011bdci nadopovali vl\u00e1kna z uhl\u00edkov\u00fdch nanotrubi\u010dek tetrachlorohlinitanov\u00fdm aniontem, \u010d\u00edm\u017e zna\u010dn\u011b zv\u00fd\u0161ili jejich elektrickou vodivost. Kabel\u00e1\u017e pro elektromobily, letadla, drony nebo t\u0159eba nadzemn\u00ed elektrick\u00e1 veden\u00ed u\u017e asi nebude, co b\u00fdvala.<\/p>\n<p>\t\t<a rel=\"clanek nofollow noopener\" href=\"https:\/\/www.osel.cz\/popisek.php?popisek=44368&amp;img=imdea-materials-resear.jpeg\" target=\"_blank\"><img decoding=\"async\" title=\"Vodiv\u00e9 jeddna b\u00e1se\u0148. Kredit: IMDEA Materials Institute.\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/05\/s_imdea-materials-resear.jpeg\" alt=\"Vodiv\u00e9 jeddna b\u00e1se\u0148. Kredit: IMDEA Materials Institute.\"\/><\/a><\/p>\n<p>Vodiv\u00e9 jedna b\u00e1se\u0148. Kredit: IMDEA Materials Institute.<\/p>\n<p>Uhl\u00edkov\u00e9 nanotrubi\u010dky (CNT) se u\u017e dlouho pova\u017euj\u00ed za v\u00fdte\u010dn\u00fd materi\u00e1l pro elektrick\u00e9 vodi\u010de, d\u00edky pozoruhodn\u00e9 kombinaci n\u00edzk\u00e9 hustoty a v\u00fdjime\u010dn\u00fdch elektrick\u00fdch, tepeln\u00fdch i mechanick\u00fdch vlastnost\u00ed. Doposud jim ale sch\u00e1zela dostate\u010dn\u00e1 elektrick\u00e1 vodivost, aby mohly v pr\u016fmyslov\u00e9m m\u011b\u0159\u00edtku realisticky konkurovat tradi\u010dn\u00edm elektrick\u00fdm materi\u00e1l\u016fm, p\u0159edev\u0161\u00edm m\u011bdi nebo hlin\u00edku.<\/p>\n<p>\u00a0<\/p>\n<p><a rel=\"clanek nofollow noopener\" href=\"https:\/\/www.osel.cz\/popisek.php?popisek=44369&amp;img=juan-jose-banner-2048x619.jpeg\" target=\"_blank\"><img decoding=\"async\" title=\"Juan Jos\u00e9 Vilatela. Kredit: IMDEA Materials.\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/05\/s_juan-jose-banner-2048x619.jpeg\" alt=\"Juan Jos\u00e9 Vilatela. Kredit: IMDEA Materials.\"\/><\/a><\/p>\n<p>Juan Jos\u00e9 Vilatela. Kredit: IMDEA Materials.<\/p>\n<p>S\u00a0pr\u016flomem ve vodivosti vl\u00e1ken z\u00a0uhl\u00edkov\u00fdch nanotrubi\u010dek p\u0159i\u0161li odborn\u00edci \u0161pan\u011blsk\u00e9ho institutu IMDEA Materials. Vyvinuli nov\u00fd proces v\u00fdroby vl\u00e1ken z uhl\u00edkov\u00fdch nanotrubi\u010dek, jejich\u017e elektrick\u00e1 vodivost se bl\u00ed\u017e\u00ed m\u011bdi a hlin\u00edku. Nov\u00e1 vl\u00e1kna by se mohla prosadit v\u00a0elektrick\u00fdch rozvodech v letectv\u00ed, elektromobilech, dronech a dal\u0161\u00edch oblastech, kde jsou zapot\u0159eb\u00ed lehk\u00e9 a z\u00e1rove\u0148 velmi pevn\u00e9 elektrick\u00e9 vodi\u010de.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p><a rel=\"clanek nofollow noopener\" href=\"https:\/\/www.osel.cz\/popisek.php?popisek=44370&amp;img=imdea-materiales-logo.jpeg\" target=\"_blank\"><img decoding=\"async\" title=\"Logo. Kredit: IMDEA Materials.\" src=\"https:\/\/www.europesays.com\/cz\/wp-content\/uploads\/2026\/05\/s_imdea-materiales-logo.jpeg\" alt=\"Logo. Kredit: IMDEA Materials.\"\/><\/a><\/p>\n<p>Logo. Kredit: IMDEA Materials.<\/p>\n<p>Jak uv\u00e1d\u00ed vedouc\u00ed v\u00fdzkumn\u00e9ho t\u00fdmu Juan Jos\u00e9 Vilatela, je to v\u016fbec poprv\u00e9, kdy se poda\u0159ilo vyrobit CNT vl\u00e1kna s parametry, d\u00edky nim\u017e p\u0159edstavuj\u00ed realistickou pr\u016fmyslovou alternativu ke klasick\u00fdm vodiv\u00fdm materi\u00e1l\u016fm. Maj\u00ed vodivost\u00ed a\u017e 24,5 MS\/m (megasiemens\u016f na metr) p\u0159i pokojov\u00e9 teplot\u011b. To je t\u00e9m\u011b\u0159 polovina vodivosti m\u011bdi, av\u0161ak p\u0159i \u0161estkr\u00e1t ni\u017e\u0161\u00ed hmotnosti dr\u00e1tu. P\u0159edstavuje to z\u00e1sadn\u00ed v\u00fdhodu, kter\u00e1 by mohla v\u00e9st k\u00a0prosazen\u00ed nov\u00e9ho typu kabel\u00e1\u017ee. Ve sv\u011bt\u011b letectv\u00ed a elektromobility, kde se po\u010d\u00edt\u00e1 ka\u017ed\u00fd kilogram, jde o velmi l\u00e1kavou p\u0159edstavu.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Jedn\u00edm z\u00a0kl\u00ed\u010dov\u00fdch prvk\u016f v\u00fdzkumu, kter\u00fd vedl k\u00a0v\u00fdvoji nov\u00e9ho typ CNT vl\u00e1ken, bylo zaveden\u00ed tetrachlorohlinitanov\u00e9ho aniontu AlCl\u2084\u207b do struktury vl\u00e1ken. Tento aniont zvy\u0161uje elektrickou vodivost CNT vl\u00e1ken v\u00edce ne\u017e 17kr\u00e1t, ani\u017e by vl\u00e1kna p\u0159i\u0161la o jejich mimo\u0159\u00e1dn\u00e9 mechanick\u00e9 vlastnosti, a nav\u00edc nijak moc nep\u0159id\u00e1v\u00e1 hmotnosti vl\u00e1ken.<\/p>\n<p class=\"western\">Podle Vilately je to mimo\u0159\u00e1dn\u011b v\u00fdznamn\u00e9 zejm\u00e9na pro elektrifikaci dopravn\u00edch prost\u0159edk\u016f, a\u0165 u\u017e jde o elektromobily, letadla nebo drony, kter\u00e9 pot\u0159ebuj\u00ed velk\u00e9 mno\u017estv\u00ed vodi\u010d\u016f, ale s\u00a0co nejni\u017e\u0161\u00ed hmotnost\u00ed. Slibn\u00e9 je to tak\u00e9 pro nadzemn\u00ed elektrick\u00e1 veden\u00ed, kde je hmotnost kabel\u016f rovn\u011b\u017e v\u00fdznamn\u00fdm limituj\u00edc\u00edm faktorem. Podle autor\u016f studie by nov\u00e1 CNT vl\u00e1kna mohla b\u00fdt a\u017e p\u011btkr\u00e1t pevn\u011bj\u0161\u00ed ne\u017e b\u011b\u017en\u00e9 vodi\u010de pou\u017e\u00edvan\u00e9 v nadzemn\u00edch p\u0159enosov\u00fdch s\u00edt\u00edch, p\u0159i\u010dem\u017e by v\u00e1\u017eila pouze polovinu.<\/p>\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Video: Sustainable Future Through Advanced Materials | PUZZLE X 2022 | Panel<\/p>\n<p class=\"western\">\n<p class=\"western\">\u00a0<\/p>\n<p class=\"western\">Literatura<\/p>\n<p class=\"western\"><a href=\"https:\/\/materials.imdea.org\/imdea-materials-researchers-develop-for-the-first-time-cnt-fibres-rivalling-the-electrical-conductivity-of-copper-aluminium-cables\/\" rel=\"nofollow noopener\" target=\"_blank\">IMDEA Materials 23. 4. 2026.<\/a><\/p>\n<p class=\"western\"><a href=\"https:\/\/www.science.org\/doi\/10.1126\/science.aeb0673\" rel=\"nofollow noopener\" target=\"_blank\">Science 392: 395\u2013400.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"M\u011b\u010f si u\u017eila v elektrick\u00e9 kabel\u00e1\u017ei spoustu z\u00e1bavy po dlouh\u00e9 des\u00edtky let. Jej\u00ed \u00e9ra se ale mo\u017en\u00e1 ch\u00fdl\u00ed&hellip;\n","protected":false},"author":2,"featured_media":87101,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_share_on_mastodon":"0"},"categories":[12],"tags":[67,68,27083,27085,27084],"class_list":["post-87100","post","type-post","status-publish","format-standard","has-post-thumbnail","category-byznys","tag-business","tag-byznys","tag-grafen","tag-kevlar","tag-reaktor"],"share_on_mastodon":{"url":"https:\/\/pubeurope.com\/@cz\/116580994496522883","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/87100","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/comments?post=87100"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/posts\/87100\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media\/87101"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/media?parent=87100"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/categories?post=87100"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/cz\/wp-json\/wp\/v2\/tags?post=87100"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}