{"id":4635,"date":"2025-07-28T09:08:16","date_gmt":"2025-07-28T09:08:16","guid":{"rendered":"https:\/\/www.kmdpower.com\/?p=4635"},"modified":"2025-07-28T09:08:18","modified_gmt":"2025-07-28T09:08:18","slug":"what-element-is-used-in-batteries","status":"publish","type":"post","link":"https:\/\/www.kmdpower.com\/cs\/news\/what-element-is-used-in-batteries\/","title":{"rendered":"Jak\u00fd prvek se pou\u017e\u00edv\u00e1 v bateri\u00edch?"},"content":{"rendered":"<p>Jak\u00fd prvek se pou\u017e\u00edv\u00e1 v bateri\u00edch? Baterie poh\u00e1n\u011bj\u00ed t\u00e9m\u011b\u0159 v\u0161e, co dnes pou\u017e\u00edv\u00e1me - od chytr\u00fdch telefon\u016f, notebook\u016f a\u017e po elektromobily a rozs\u00e1hl\u00e9 syst\u00e9my pro ukl\u00e1d\u00e1n\u00ed energie do s\u00edt\u011b. Ale u\u017e jste se n\u011bkdy opravdu zastavili a polo\u017eili si ot\u00e1zku, jak\u00e9 prvky vlastn\u011b zaji\u0161\u0165uj\u00ed fungov\u00e1n\u00ed baterie? T\u0159eba co je vlastn\u011b\u00a0<em>uvnit\u0159<\/em>\u00a0tu krabi\u010dku, kter\u00e1 umo\u017e\u0148uje ukl\u00e1dat a uvol\u0148ovat energii, kdykoli ji pot\u0159ebujete?<\/p><p>Kdy\u017e porozum\u00edte chemick\u00e9mu slo\u017een\u00ed bateri\u00ed, neuspokoj\u00edte pouze zv\u011bdavost - z\u00edsk\u00e1te p\u0159ehled o jejich v\u00fdkonu, bezpe\u010dnosti a skute\u010dn\u00fdch v\u00fdzv\u00e1ch v oblasti udr\u017eitelnosti, kter\u00e9 p\u0159in\u00e1\u0161ej\u00ed.<\/p><p>V t\u00e9to p\u0159\u00edru\u010dce se dozv\u00edte, jak\u00e9 kl\u00ed\u010dov\u00e9 prvky se pou\u017e\u00edvaj\u00ed v r\u016fzn\u00fdch typech bateri\u00ed, pro\u010d jsou tyto konkr\u00e9tn\u00ed materi\u00e1ly d\u016fle\u017eit\u00e9, jak\u00fd maj\u00ed vliv na funkci a bezpe\u010dnost bateri\u00ed a jak\u00e9 alternativy nyn\u00ed v\u011bdci vyv\u00edjej\u00ed pro budouc\u00ed skladov\u00e1n\u00ed energie. Pokud chcete v\u011bd\u011bt nejen&nbsp;<em>co je uvnit\u0159<\/em>&nbsp;ale&nbsp;<em>pro\u010d<\/em>&nbsp;na t\u011bchto materi\u00e1lech z\u00e1le\u017e\u00ed, \u010dek\u00e1 v\u00e1s u\u017eite\u010dn\u00e9 \u010dten\u00ed.<\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/Sodium-Battery-12V-100Ah-Bluetooth-Low-Temperature-Na-Ion-Battery-Supplier-Factory-Manufacturers-002.jpg\" alt=\"\" class=\"wp-image-1452\"\/><\/figure><\/div><p class=\"has-text-align-center\"><strong><a href=\"https:\/\/www.kmdpower.com\/cs\/kamada-power-12v-200ah-sodium-ion-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">12V 200ah sod\u00edkov\u00e1 baterie<\/a><\/strong><\/p><div class=\"wp-block-image\"><figure class=\"aligncenter size-full\"><img decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003.jpg\" alt=\"\" class=\"wp-image-4481\" srcset=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003.jpg 1000w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-300x300.jpg 300w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-150x150.jpg 150w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-768x768.jpg 768w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-12x12.jpg 12w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-600x600.jpg 600w, https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-48v-210ah-10kWh-Home-Sodium-Battery-main-003-100x100.jpg 100w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/figure><\/div><p class=\"has-text-align-center\"><strong><a href=\"https:\/\/www.kmdpower.com\/cs\/produkt\/kamada-power-10kwh-home-sodium-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kamada Power 10kWh dom\u00e1c\u00ed sod\u00edkov\u00e1 baterie<\/a><\/strong><\/p><h2 class=\"wp-block-heading\" id=\"what-are-the-key-elements-used-in-batteries-\">Jak\u00e9 jsou hlavn\u00ed prvky pou\u017e\u00edvan\u00e9 v bateri\u00edch?<\/h2><p>Baterie uchov\u00e1vaj\u00ed energii chemickou cestou a uvol\u0148uj\u00ed ji ve form\u011b elekt\u0159iny prost\u0159ednictv\u00edm elektrochemick\u00fdch reakc\u00ed mezi dv\u011bma elektrodami - anodou a katodou - s elektrolytem mezi nimi. Ale je tu jedna v\u011bc:&nbsp;<strong>prvky<\/strong>&nbsp;kter\u00e9 tvo\u0159\u00ed tyto elektrody, zcela ovliv\u0148uj\u00ed fungov\u00e1n\u00ed baterie.<\/p><p>Jak\u00e9 prvky se tedy obvykle pou\u017e\u00edvaj\u00ed v dne\u0161n\u00edch bateri\u00edch? Tyto prvky se objevuj\u00ed nej\u010dast\u011bji:<\/p><ul class=\"wp-block-list\"><li><strong>Lithium (Li):<\/strong>\u00a0Tohle je hv\u011bzda lithium-iontov\u00fdch bateri\u00ed. Je velmi lehk\u00e1 a na jeden gram pojme hodn\u011b energie.<\/li>\n\n<li><strong>Olovo (Pb):<\/strong>\u00a0Najdete ho ve star\u0161\u00edch olov\u011bn\u00fdch akumul\u00e1torech, kter\u00e9 se \u010dasto pou\u017e\u00edvaj\u00ed v automobilech nebo v z\u00e1lo\u017en\u00edch zdroj\u00edch.<\/li>\n\n<li><strong>Nikl (Ni):<\/strong>\u00a0Tento kov zvy\u0161uje \u017eivotnost cykl\u016f a odolnost bateri\u00ed NiCd a NiMH.<\/li>\n\n<li><strong>Kobalt (Co):<\/strong>\u00a0Stabilizuje mnoho lithium-iontov\u00fdch katod a zvy\u0161uje jejich energii - ale za cenu.<\/li>\n\n<li><strong>Mangan (Mn):<\/strong>\u00a0Pom\u00e1h\u00e1 sni\u017eovat n\u00e1klady a zvy\u0161uje bezpe\u010dnost lithiov\u00fdch bateri\u00ed.<\/li>\n\n<li><strong>Kadmium (Cd):<\/strong>\u00a0Kdysi byl obl\u00edben\u00fd v NiCd bateri\u00edch, nyn\u00ed se mu vyh\u00fdb\u00e1me, proto\u017ee je toxick\u00fd.<\/li>\n\n<li><strong>Zinek (Zn):<\/strong>\u00a0Je levn\u00fd a bezpe\u010dn\u00fd, b\u011b\u017en\u011b se pou\u017e\u00edv\u00e1 v alkalick\u00fdch a zinkovzdu\u0161n\u00fdch bateri\u00edch.<\/li>\n\n<li><strong>Grafit (C):<\/strong>\u00a0Ta tvo\u0159\u00ed z\u00e1kladn\u00ed anodu lithium-iontov\u00fdch bateri\u00ed.<\/li>\n\n<li><strong>S\u00edra (S):<\/strong>\u00a0Nov\u011bj\u0161\u00ed katodov\u00fd materi\u00e1l pro lithium-s\u00edrov\u00e9 baterie s velk\u00fdm energetick\u00fdm potenci\u00e1lem.<\/li>\n\n<li><strong>Sod\u00edk (Na):<\/strong>\u00a0V\u00fdzkumn\u00edci maj\u00ed r\u00e1di tento projekt pro sod\u00edkov\u00e9 baterie. Je v\u0161ude a stoj\u00ed m\u00e9n\u011b.<\/li><\/ul><p>Ka\u017ed\u00fd z t\u011bchto prvk\u016f m\u00e1 zcela specifick\u00fd v\u00fdznam pro to, jak baterie funguje, jak dlouho vydr\u017e\u00ed, jak je bezpe\u010dn\u00e1 a kolik stoj\u00ed. V\u00fdb\u011br nen\u00ed n\u00e1hodn\u00fd - je strategick\u00fd.<\/p><h3 class=\"wp-block-heading\" id=\"table-1-common-battery-elements-and-their-key-properties\">Tabulka 1: B\u011b\u017en\u00e9 prvky bateri\u00ed a jejich kl\u00ed\u010dov\u00e9 vlastnosti<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Prvek<\/th><th>Z\u00e1kladn\u00ed typy bateri\u00ed<\/th><th>Hlavn\u00ed v\u00fdhody<\/th><th>Hlavn\u00ed obavy<\/th><\/tr><\/thead><tbody><tr><td>Lithium<\/td><td>Lithium-iontov\u00e9<\/td><td>Vysok\u00e1 energetick\u00e1 hustota, sv\u011btlo<\/td><td>Etick\u00e1 t\u011b\u017eba, n\u00e1klady<\/td><\/tr><tr><td>Olovo<\/td><td>Olov\u011bn\u00fd akumul\u00e1tor<\/td><td>N\u00edzk\u00e9 n\u00e1klady, vysok\u00fd n\u00e1razov\u00fd proud<\/td><td>T\u011b\u017ek\u00e9, toxick\u00e9<\/td><\/tr><tr><td>Nikl<\/td><td>NiCd, NiMH<\/td><td>Odolnost, dobr\u00e1 \u017eivotnost<\/td><td>Toxicita (Cd v NiCd), n\u00e1klady<\/td><\/tr><tr><td>Kobalt<\/td><td>Lithium-iontov\u00e9 katody<\/td><td>Stabilizuje katodu, energii<\/td><td>Vysok\u00e9 n\u00e1klady, etick\u00e9 probl\u00e9my<\/td><\/tr><tr><td>Mangan<\/td><td>Lithium-iontov\u00e9 katody<\/td><td>Bezpe\u010dnost, sn\u00ed\u017een\u00ed n\u00e1klad\u016f<\/td><td>M\u00edrn\u00e1 energetick\u00e1 hustota<\/td><\/tr><tr><td>Kadmium<\/td><td>NiCd<\/td><td>Odoln\u00e9<\/td><td>Vysoce toxick\u00fd<\/td><\/tr><tr><td>Zinek<\/td><td>Alkalick\u00fd, zinkovzdu\u0161n\u00fd<\/td><td>Levn\u00e9, bezpe\u010dn\u00e9<\/td><td>Omezen\u00e1 mo\u017enost dob\u00edjen\u00ed<\/td><\/tr><tr><td>Grafit<\/td><td>Lithium-iontov\u00e9 anody<\/td><td>Stabiln\u00ed interkalace lithia<\/td><td>Omezen\u00e1 kapacita<\/td><\/tr><tr><td>S\u00edra<\/td><td>Lithium-s\u00edra<\/td><td>Velmi vysok\u00e1 teoretick\u00e1 energie<\/td><td>Probl\u00e9my s \u017eivotnost\u00ed cyklu<\/td><\/tr><tr><td>Sod\u00edk<\/td><td>Sod\u00edkov\u00e9 ionty<\/td><td>Hojn\u00e9 mno\u017estv\u00ed, n\u00edzk\u00e9 n\u00e1klady<\/td><td>Ni\u017e\u0161\u00ed hustota energie<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\" id=\"how-different-battery-types-use-different-elements\">Jak r\u016fzn\u00e9 typy bateri\u00ed pou\u017e\u00edvaj\u00ed r\u016fzn\u00e9 prvky<\/h2><p>Chemick\u00e9 slo\u017een\u00ed bateri\u00ed se m\u011bn\u00ed s ka\u017ed\u00fdm p\u0159\u00edpadem pou\u017eit\u00ed - v z\u00e1vislosti na n\u00e1kladech, pot\u0159eb\u011b energie a v\u00fdkonu. Projd\u011bme si nejb\u011b\u017en\u011bj\u0161\u00ed typy a prvky, kter\u00e9 jsou v nich obsa\u017eeny:<\/p><h3 class=\"wp-block-heading\" id=\"1-lithium-ion-batteries-li-ion-\">1. Lithium-iontov\u00e9 baterie (Li-ion)<\/h3><p><strong>P\u0159\u00edslu\u0161n\u00e9 prvky:<\/strong>&nbsp;Lithium, kobalt, nikl, mangan, grafit<\/p><p>Lithium-iontov\u00e9 baterie se dnes pou\u017e\u00edvaj\u00ed ve v\u0161ech za\u0159\u00edzen\u00edch od telefon\u016f a\u017e po elektromobily, a to p\u0159edev\u0161\u00edm proto, \u017ee maj\u00ed vysokou hustotu energie (150-250 Wh\/kg) a dobrou \u017eivotnost. Ionty lithia se pohybuj\u00ed mezi grafitovou anodou a katodou vyrobenou z materi\u00e1l\u016f, jako je oxid lithiumkobaltov\u00fd (LiCoO\u2082), oxid lithiumnikl-mangan-kobaltov\u00fd (NMC) nebo fosfore\u010dnan lithno-\u017eelezit\u00fd (LFP).<\/p><ul class=\"wp-block-list\"><li>Kobalt pom\u00e1h\u00e1 stabilizovat katodu, a\u010dkoli je spojen s n\u00e1klady a lidsk\u00fdmi pr\u00e1vy.<\/li>\n\n<li>Nikl zvy\u0161uje kapacitu a skladov\u00e1n\u00ed energie.<\/li>\n\n<li>Mangan zvy\u0161uje bezpe\u010dnost t\u00edm, \u017ee zvy\u0161uje tepelnou odolnost.<\/li>\n\n<li>Grafit funguje jako stabiln\u00ed z\u00e1kladna pro ionty lithia b\u011bhem nab\u00edjen\u00ed.<\/li><\/ul><p>A\u010dkoli tyto kombinace funguj\u00ed dob\u0159e, pr\u016fmysl se nyn\u00ed sna\u017e\u00ed omezit pou\u017e\u00edv\u00e1n\u00ed kobaltu jak z hlediska n\u00e1klad\u016f, tak z hlediska etiky.<\/p><h3 class=\"wp-block-heading\" id=\"2-lead-acid-batteries\">2. Olov\u011bn\u00e9 baterie<\/h3><p><strong>P\u0159\u00edslu\u0161n\u00e9 prvky:<\/strong>&nbsp;Olovo, kyselina s\u00edrov\u00e1<\/p><p>Lid\u00e9 se st\u00e1le spol\u00e9haj\u00ed na olov\u011bn\u00e9 baterie pro startov\u00e1n\u00ed motor\u016f automobil\u016f a nap\u00e1jen\u00ed nouzov\u00fdch z\u00e1loh - v\u011bt\u0161inou proto, \u017ee jsou levn\u00e9 a spolehliv\u00e9. Jejich katoda vyu\u017e\u00edv\u00e1 oxid olovnat\u00fd a anoda houbovit\u00e9 olovo v kyselin\u011b s\u00edrov\u00e9.<\/p><p>Navzdory jejich st\u00e1\u0159\u00ed si je u\u017eivatel\u00e9 obl\u00edbili, proto\u017ee jsou recyklovateln\u00e9 a cenov\u011b dostupn\u00e9.<\/p><h3 class=\"wp-block-heading\" id=\"3-nickel-cadmium-batteries-nicd-\">3. Nikl-kadmiov\u00e9 baterie (NiCd)<\/h3><p><strong>P\u0159\u00edslu\u0161n\u00e9 prvky:<\/strong>&nbsp;Nikl, kadmium<\/p><p>NiCd baterie vydr\u017e\u00ed dlouho a zvl\u00e1dnou n\u00e1ro\u010dn\u00e9 pou\u017e\u00edv\u00e1n\u00ed, ale kadmium je kv\u016fli sv\u00e9 toxicit\u011b \u0161kodliv\u00e9. Z tohoto d\u016fvodu od nich v\u011bt\u0161ina pr\u016fmyslov\u00fdch odv\u011btv\u00ed pomalu ustupuje.<\/p><h3 class=\"wp-block-heading\" id=\"4-nickel-metal-hydride-batteries-nimh-\">4. Nikl-metalhydridov\u00e9 baterie (NiMH)<\/h3><p><strong>P\u0159\u00edslu\u0161n\u00e9 prvky:<\/strong>&nbsp;Nikl, kovy vz\u00e1cn\u00fdch zemin<\/p><p>NiMH baterie nahradily NiCd v mnoha elektronick\u00fdch za\u0159\u00edzen\u00edch a hybridech. Jsou bezpe\u010dn\u011bj\u0161\u00ed a ekologi\u010dt\u011bj\u0161\u00ed, pou\u017e\u00edvaj\u00ed hydroxid niklu a metalhydridov\u00e9 elektrody.<\/p><h3 class=\"wp-block-heading\" id=\"5-alkaline-batteries\">5. Alkalick\u00e9 baterie<\/h3><p><strong>P\u0159\u00edslu\u0161n\u00e9 prvky:<\/strong>&nbsp;Zinek, oxid mangani\u010dit\u00fd<\/p><p>Tyto baterie se pou\u017e\u00edvaj\u00ed nap\u0159\u00edklad v d\u00e1lkov\u00fdch ovlada\u010d\u00edch a sv\u00edtiln\u00e1ch. Pou\u017e\u00edvaj\u00ed zinkovou anodu, manganovou katodu a jako elektrolyt hydroxid draseln\u00fd. Lid\u00e9 si je obl\u00edbili pro jejich trvanlivost a cenu.<\/p><h3 class=\"wp-block-heading\" id=\"table-2-comparison-of-major-battery-types-and-their-key-metrics\">Tabulka 2: Srovn\u00e1n\u00ed hlavn\u00edch typ\u016f bateri\u00ed a jejich kl\u00ed\u010dov\u00fdch ukazatel\u016f<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Typ baterie<\/th><th>Energetick\u00e1 hustota (Wh\/kg)<\/th><th>\u017divotnost cyklu (cykly)<\/th><th>N\u00e1klady<\/th><th>Dopad na \u017eivotn\u00ed prost\u0159ed\u00ed<\/th><\/tr><\/thead><tbody><tr><td>Lithium-iontov\u00e9<\/td><td>150-250<\/td><td>500-2000<\/td><td>Vysok\u00e1<\/td><td>M\u00edrn\u00e9, etick\u00e9 obavy<\/td><\/tr><tr><td>Olov\u011bn\u00e9 kyseliny<\/td><td>30-50<\/td><td>200-500<\/td><td>N\u00edzk\u00e1<\/td><td>Toxick\u00e9 kovy, recyklovateln\u00e9<\/td><\/tr><tr><td>Nikl-kadmium<\/td><td>45-80<\/td><td>1000-2000<\/td><td>St\u0159edn\u00ed<\/td><td>Toxick\u00e9 kadmium<\/td><\/tr><tr><td>Hydrid niklu a kovu<\/td><td>60-120<\/td><td>500-1000<\/td><td>St\u0159edn\u00ed<\/td><td>Bezpe\u010dn\u011bj\u0161\u00ed ne\u017e NiCd<\/td><\/tr><tr><td>Alkalick\u00e9<\/td><td>100-150 (bez dob\u00edjen\u00ed)<\/td><td>NEUPLAT\u0147UJE SE<\/td><td>N\u00edzk\u00e1<\/td><td>Jednor\u00e1zov\u00e9, omezen\u00e1 recyklace<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\" id=\"why-are-these-elements-chosen-\">Pro\u010d jsou tyto prvky vybr\u00e1ny?<\/h2><p>V\u00fdrobci bateri\u00ed vyb\u00edraj\u00ed prvky na z\u00e1klad\u011b n\u011bkolika p\u0159ekr\u00fdvaj\u00edc\u00edch se d\u016fvod\u016f:<\/p><ul class=\"wp-block-list\"><li><strong>Elektrochemick\u00e9 chov\u00e1n\u00ed:<\/strong>\u00a0Prvky pot\u0159ebuj\u00ed ke sv\u00e9 funkci p\u0159\u00edzniv\u00e9 redoxn\u00ed potenci\u00e1ly. N\u00edzk\u00e1 hmotnost lithia a jeho vysok\u00e1 reaktivita jsou pro tento \u00fa\u010del ide\u00e1ln\u00ed.<\/li>\n\n<li><strong>Skladov\u00e1n\u00ed energie:<\/strong>\u00a0N\u011bkter\u00e9 materi\u00e1ly maj\u00ed v\u00edce \u0161\u0165\u00e1vy ne\u017e jin\u00e9. Lithium a nikl zde vedou.<\/li>\n\n<li><strong>Stabilita:<\/strong>\u00a0Baterie mus\u00ed b\u00fdt odoln\u00e9 v\u016f\u010di teplu, chladu a chemick\u00e9mu nam\u00e1h\u00e1n\u00ed, ani\u017e by se rozbily nebo zp\u016fsobily po\u017e\u00e1r.<\/li>\n\n<li><strong>Cena a dostupnost:<\/strong>\u00a0\u010c\u00edm je prvek hojn\u011bj\u0161\u00ed, t\u00edm m\u00e9n\u011b stoj\u00ed v\u00fdroba bateri\u00ed z n\u011bj.<\/li>\n\n<li><strong>Bezpe\u010dnost a etika:<\/strong>\u00a0N\u011bkter\u00e9 prvky, jako kadmium nebo kobalt, vyvol\u00e1vaj\u00ed zdravotn\u00ed a pracovn\u00ed probl\u00e9my, a proto se je nyn\u00ed spole\u010dnosti sna\u017e\u00ed nahradit.<\/li><\/ul><p>Nap\u0159\u00edklad kobalt sice zlep\u0161uje energii a strukturu bateri\u00ed, ale jeho cena a probl\u00e9my s t\u011b\u017ebou ho \u010din\u00ed do budoucna m\u00e9n\u011b atraktivn\u00edm.<\/p><h2 class=\"wp-block-heading\" id=\"how-do-elements-impact-battery-performance-and-safety-\">Jak prvky ovliv\u0148uj\u00ed v\u00fdkon a bezpe\u010dnost baterie?<\/h2><p>Ka\u017ed\u00fd prvek m\u011bn\u00ed fungov\u00e1n\u00ed baterie v re\u00e1ln\u00e9m \u017eivot\u011b:<\/p><h3 class=\"wp-block-heading\" id=\"energy-density-and-capacity\">Energetick\u00e1 hustota a kapacita<\/h3><ul class=\"wp-block-list\"><li>Baterie s vysok\u00fdm obsahem niklu mohou dos\u00e1hnout hodnoty p\u0159es 250 Wh\/kg - ide\u00e1ln\u00ed pro elektromobily s dlouh\u00fdm dojezdem.<\/li>\n\n<li>Olov\u011bn\u00e9 akumul\u00e1tory maj\u00ed mnohem ni\u017e\u0161\u00ed energetickou hustotu, ale dob\u0159e se hod\u00ed pro kr\u00e1tkodob\u00e9 pou\u017eit\u00ed nebo pou\u017eit\u00ed s velk\u00fdm po\u010dtem amp\u00e9r.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"charge-discharge-rates\">Rychlost nab\u00edjen\u00ed\/vyb\u00edjen\u00ed<\/h3><ul class=\"wp-block-list\"><li>Kobalt a nikl umo\u017e\u0148uj\u00ed rychl\u00e9 nab\u00edjen\u00ed a stabiln\u00ed v\u00fdkon.<\/li>\n\n<li>Grafitov\u00e9 anody umo\u017e\u0148uj\u00ed rychl\u00fd pohyb lithia dovnit\u0159 a ven, co\u017e zlep\u0161uje dobu nab\u00edjen\u00ed.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"safety-and-heat-resistance\">Bezpe\u010dnost a tepeln\u00e1 odolnost<\/h3><ul class=\"wp-block-list\"><li>Manganov\u00e9 a LFP chemick\u00e9 slo\u017een\u00ed zvy\u0161uje odolnost bateri\u00ed proti po\u017e\u00e1ru.<\/li>\n\n<li>S olovem a kadmiem se zach\u00e1z\u00ed opatrn\u011b kv\u016fli jejich toxick\u00fdm \u00fa\u010dink\u016fm na \u010dlov\u011bka a \u017eivotn\u00ed prost\u0159ed\u00ed.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"toxicity-and-waste\">Toxicita a odpady<\/h3><ul class=\"wp-block-list\"><li>Prvky jako kadmium a olovo jsou nebezpe\u010dn\u00e9, pokud nejsou spr\u00e1vn\u011b zlikvidov\u00e1ny.<\/li>\n\n<li>Recyklace lithium-iontov\u00fdch bateri\u00ed se nyn\u00ed zlep\u0161uje, co\u017e pom\u00e1h\u00e1 z\u00edsk\u00e1vat kovy a sni\u017eovat dopad na skl\u00e1dky.<\/li><\/ul><h2 class=\"wp-block-heading\" id=\"environmental-and-ethical-concerns-of-battery-elements\">Environment\u00e1ln\u00ed a etick\u00e9 aspekty bateriov\u00fdch prvk\u016f<\/h2><p>Z\u00edsk\u00e1v\u00e1n\u00ed n\u011bkter\u00fdch materi\u00e1l\u016f pro baterie vy\u017eaduje v\u00edce ne\u017e jen jejich vykop\u00e1n\u00ed:<\/p><ul class=\"wp-block-list\"><li><strong>Kobalt z Kon\u017esk\u00e9 demokratick\u00e9 republiky<\/strong>\u00a0je spojov\u00e1na s nebezpe\u010dn\u00fdmi pracovn\u00edmi podm\u00ednkami a d\u011btskou prac\u00ed.<\/li>\n\n<li><strong>T\u011b\u017eba lithia<\/strong>\u00a0na such\u00fdch m\u00edstech ovliv\u0148uje z\u00e1soby vody a obce.<\/li>\n\n<li>Nikl a kovy vz\u00e1cn\u00fdch zemin p\u0159in\u00e1\u0161ej\u00ed geopolitick\u00e9 probl\u00e9my a probl\u00e9my v dodavatelsk\u00e9m \u0159et\u011bzci.<\/li>\n\n<li>Recykla\u010dn\u00ed technologie st\u00e1le zaost\u00e1vaj\u00ed za popt\u00e1vkou, ale pro budoucnost jsou nezbytn\u00e9.<\/li><\/ul><p>Vl\u00e1dy, zejm\u00e9na v EU, nyn\u00ed tla\u010d\u00ed v\u00fdrobce bateri\u00ed k \u010dist\u0161\u00edmu z\u00edsk\u00e1v\u00e1n\u00ed surovin a ob\u011bhov\u00fdm postup\u016fm.<\/p><h2 class=\"wp-block-heading\" id=\"emerging-alternative-elements-in-next-generation-batteries\">Nov\u00e9 alternativn\u00ed prvky v bateri\u00edch nov\u00e9 generace<\/h2><p>Pro \u0159e\u0161en\u00ed dne\u0161n\u00edch probl\u00e9m\u016f s n\u00e1klady, etikou a z\u00e1sobov\u00e1n\u00edm se v\u00fdzkumn\u00edci zab\u00fdvaj\u00ed nov\u011bj\u0161\u00edmi mo\u017enostmi:<\/p><h3 class=\"wp-block-heading\" id=\"sodium-ion-batteries\">Sod\u00edko-iontov\u00e9 baterie<\/h3><p>Sod\u00edk stoj\u00ed m\u00e9n\u011b a je snadn\u011bji dostupn\u00fd ne\u017e lithium. Tyto str\u00e1nky <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/sodium-ion-battery-manufacturers\/\" target=\"_blank\" rel=\"noreferrer noopener\">sod\u00edkov\u00e9 baterie<\/a><\/strong> sice neudr\u017e\u00ed tolik energie (100-160 Wh\/kg), ale mohly by dob\u0159e fungovat pro velk\u00e9 skladovac\u00ed sestavy.<\/p><h3 class=\"wp-block-heading\" id=\"lithium-sulfur-batteries\">Lithium-s\u00edrov\u00e9 baterie<\/h3><p>Ty slibuj\u00ed a\u017e 400+ Wh\/kg p\u0159i pou\u017eit\u00ed s\u00edry, kter\u00e1 je levn\u00e1 a hojn\u00e1. S\u00edrov\u00e9 baterie se v\u0161ak st\u00e1le pot\u00fdkaj\u00ed se ztr\u00e1tou kapacity v pr\u016fb\u011bhu \u010dasu.<\/p><h3 class=\"wp-block-heading\" id=\"graphene-batteries\">Grafenov\u00e9 baterie<\/h3><p>D\u00edky p\u0159id\u00e1n\u00ed grafenu se tyto baterie nab\u00edjej\u00ed rychleji a maj\u00ed del\u0161\u00ed \u017eivotnost - jejich v\u00fdroba je v\u0161ak st\u00e1le drah\u00e1.<\/p><h3 class=\"wp-block-heading\" id=\"solid-state-batteries\">Polovodi\u010dov\u00e9 baterie<\/h3><p>M\u00edsto kapaliny pou\u017e\u00edvaj\u00ed pevn\u00e9 elektrolyty, tak\u017ee jsou bezpe\u010dn\u011bj\u0161\u00ed a energeticky vydatn\u011bj\u0161\u00ed.<\/p><h3 class=\"wp-block-heading\" id=\"zinc-based-batteries\">Baterie na b\u00e1zi zinku<\/h3><p>Jsou levn\u00e9, netoxick\u00e9 a snadno se recykluj\u00ed. Zinko-vzduchov\u00e9 baterie by mohly v bl\u00edzk\u00e9 budoucnosti nap\u00e1jet dom\u00e1cnosti a rozvodn\u00e9 s\u00edt\u011b.<\/p><h3 class=\"wp-block-heading\" id=\"cobalt-free-batteries\">Bezkobaltov\u00e9 baterie<\/h3><p>Baterie vyu\u017e\u00edvaj\u00edc\u00ed chemick\u00e9 slo\u017eky LFP nebo s vysok\u00fdm obsahem niklu se zcela vyh\u00fdbaj\u00ed kobaltu, co\u017e p\u0159isp\u00edv\u00e1 ke sn\u00ed\u017een\u00ed n\u00e1klad\u016f a zv\u00fd\u0161en\u00ed bezpe\u010dnosti.<\/p><h3 class=\"wp-block-heading\" id=\"iron-air-batteries\">Baterie Iron-Air<\/h3><p>Ty vyu\u017e\u00edvaj\u00ed \u017eelezo a vzduch a jejich c\u00edlem je zajistit dlouhodob\u00e9 skladov\u00e1n\u00ed p\u0159i velmi n\u00edzk\u00fdch n\u00e1kladech. Pot\u0159ebuj\u00ed v\u0161ak lep\u0161\u00ed dob\u00edjec\u00ed schopnost a hustotu energie.<\/p><h3 class=\"wp-block-heading\" id=\"table-3-emerging-battery-technologies-and-their-potential\">Tabulka 3: Nov\u00e9 technologie bateri\u00ed a jejich potenci\u00e1l<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Typ baterie<\/th><th>Teoretick\u00e1 hustota energie (Wh\/kg)<\/th><th>Hlavn\u00ed v\u00fdhody<\/th><th>Hlavn\u00ed v\u00fdzvy<\/th><\/tr><\/thead><tbody><tr><td>Sod\u00edkov\u00e9 ionty<\/td><td>100-160<\/td><td>N\u00edzk\u00e9 n\u00e1klady, dostatek zdroj\u016f<\/td><td>Ni\u017e\u0161\u00ed hustota energie<\/td><\/tr><tr><td>Lithium-s\u00edra<\/td><td>400+<\/td><td>Velmi vysok\u00e1 hustota energie<\/td><td>\u017divotnost cyklu, kyvadlov\u00e1 doprava polysulfid\u016f<\/td><\/tr><tr><td>Grafenem zes\u00edlen\u00fd Li<\/td><td>250+<\/td><td>Rychl\u00e9 nab\u00edjen\u00ed, dlouh\u00e1 \u017eivotnost<\/td><td>Slo\u017eitost v\u00fdroby<\/td><\/tr><tr><td>Polovodi\u010dov\u00e9<\/td><td>300-500<\/td><td>Vysok\u00e1 bezpe\u010dnost, hustota energie<\/td><td>\u0160k\u00e1lovatelnost, n\u00e1klady<\/td><\/tr><tr><td>Zinek-vzduch<\/td><td>300-400<\/td><td>Bezpe\u010dn\u00e9, levn\u00e9, recyklovateln\u00e9<\/td><td>Dob\u00edjen\u00ed, v\u00fdkon<\/td><\/tr><tr><td>Iron-Air<\/td><td>300+<\/td><td>Velmi n\u00edzk\u00e9 n\u00e1klady, dostatek materi\u00e1l\u016f<\/td><td>Hustota v\u00fdkonu, dob\u00edjen\u00ed<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\" id=\"conclusion\">Z\u00e1v\u011br<\/h2><p>Jakmile zjist\u00edte, jak\u00e9 prvky jsou sou\u010d\u00e1st\u00ed bateri\u00ed a pro\u010d tam jsou, za\u010dnete ch\u00e1pat kompromisy, kter\u00e9 mus\u00ed v\u00fdrobci d\u011blat. Nyn\u00ed sice p\u0159evl\u00e1d\u00e1 lithium, ale v budoucnu by mohly m\u00edt vedouc\u00ed postaven\u00ed sod\u00edk, s\u00edra a zinek.<\/p><p>Budoucnost bateri\u00ed nebude z\u00e1viset jen na chemii, ale tak\u00e9 na v\u011bd\u011b, etice a chytr\u00fdch zdroj\u00edch.<\/p><h2 class=\"wp-block-heading\" id=\"faq\">\u010cASTO KLADEN\u00c9 DOTAZY<\/h2><h3 class=\"wp-block-heading\" id=\"what-is-the-most-common-element-used-in-lithium-ion-batteries-\">Jak\u00fd prvek se nej\u010dast\u011bji pou\u017e\u00edv\u00e1 v lithium-iontov\u00fdch bateri\u00edch?<\/h3><p>To by bylo lithium. Ale v katod\u00e1ch se pou\u017e\u00edv\u00e1 tak\u00e9 kobalt, nikl a mangan - a na anodu grafit.<\/p><h3 class=\"wp-block-heading\" id=\"are-lithium-batteries-the-best-choice-for-all-applications-\">Jsou lithiov\u00e9 baterie nejlep\u0161\u00ed volbou pro v\u0161echny aplikace?<\/h3><p>Ne. Pro stacion\u00e1rn\u00ed \u00falo\u017ei\u0161t\u011b nebo n\u00edzkorozpo\u010dtov\u00e9 pou\u017eit\u00ed by mohly b\u00fdt vhodn\u011bj\u0161\u00ed olov\u011bn\u00e9 nebo sod\u00edkov\u00e9 ionty.<\/p><h3 class=\"wp-block-heading\" id=\"can-manufacturers-make-batteries-without-toxic-elements-like-cobalt-\">Mohou v\u00fdrobci vyr\u00e1b\u011bt baterie bez toxick\u00fdch prvk\u016f, jako je kobalt?<\/h3><p>Ano, a mnoho z nich to ji\u017e d\u011bl\u00e1 - s LFP a chemick\u00fdmi l\u00e1tkami s vysok\u00fdm obsahem niklu, kter\u00e9 z\u00edsk\u00e1vaj\u00ed na popularit\u011b.<\/p><h3 class=\"wp-block-heading\" id=\"how-does-element-choice-affect-battery-lifespan-\">Jak ovliv\u0148uje v\u00fdb\u011br prvk\u016f \u017eivotnost baterie?<\/h3><p>Lep\u0161\u00ed materi\u00e1ly se m\u00e9n\u011b rozkl\u00e1daj\u00ed. Nap\u0159\u00edklad mangan a fosfore\u010dnan \u017eeleza p\u0159isp\u00edvaj\u00ed k del\u0161\u00ed \u017eivotnosti bateri\u00ed.<\/p><h3 class=\"wp-block-heading\" id=\"what-are-the-safest-battery-chemistries-\">Jak\u00e9 jsou nejbezpe\u010dn\u011bj\u0161\u00ed chemick\u00e9 slo\u017een\u00ed bateri\u00ed?<\/h3><p>Polovodi\u010dov\u00e9 baterie a baterie LFP nab\u00edzej\u00ed lep\u0161\u00ed tepelnou bezpe\u010dnost a men\u0161\u00ed riziko po\u017e\u00e1ru ne\u017e kobaltov\u00e9 lithium-iontov\u00e9 baterie.<\/p>","protected":false},"excerpt":{"rendered":"<p>Jak\u00fd prvek se pou\u017e\u00edv\u00e1 v bateri\u00edch? Baterie poh\u00e1n\u011bj\u00ed t\u00e9m\u011b\u0159 v\u0161e, co dnes pou\u017e\u00edv\u00e1me - od chytr\u00fdch telefon\u016f, notebook\u016f a\u017e po elektromobily a rozs\u00e1hl\u00e9 syst\u00e9my pro ukl\u00e1d\u00e1n\u00ed energie do s\u00edt\u011b. Ale u\u017e jste se n\u011bkdy opravdu zastavili a polo\u017eili si ot\u00e1zku, jak\u00e9 prvky vlastn\u011b zaji\u0161\u0165uj\u00ed fungov\u00e1n\u00ed baterie? T\u0159eba co je skute\u010dn\u011b uvnit\u0159 t\u00e9 krabi\u010dky, kter\u00e1 umo\u017e\u0148uje ukl\u00e1dat a uvol\u0148ovat energii, kdykoli pot\u0159ebujete...<\/p>","protected":false},"author":1,"featured_media":1452,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"rank_math_lock_modified_date":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[19,26],"tags":[],"class_list":["post-4635","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news_catalog","category-product-news"],"_links":{"self":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/comments?post=4635"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4635\/revisions"}],"predecessor-version":[{"id":4636,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/4635\/revisions\/4636"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media\/1452"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media?parent=4635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/categories?post=4635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/tags?post=4635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}