{"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\/sk\/news\/what-element-is-used-in-batteries\/","title":{"rendered":"Ak\u00fd prvok sa pou\u017e\u00edva v bat\u00e9ri\u00e1ch?"},"content":{"rendered":"<p>Ak\u00fd prvok sa pou\u017e\u00edva v bat\u00e9ri\u00e1ch? Bat\u00e9rie dnes poh\u00e1\u0148aj\u00fa takmer v\u0161etko, \u010do pou\u017e\u00edvame - od smartf\u00f3nov, notebookov a\u017e po elektrick\u00e9 vozidl\u00e1 a rozsiahle syst\u00e9my na skladovanie energie v sieti. Ale zastavili ste sa niekedy a polo\u017eili si ot\u00e1zku, ak\u00e9 prvky vlastne zabezpe\u010duj\u00fa fungovanie bat\u00e9rie? Ako napr\u00edklad, \u010do je v skuto\u010dnosti\u00a0<em>vn\u00fatri<\/em>\u00a0t\u00fa \u0161katu\u013eku, ktor\u00e1 umo\u017e\u0148uje uklada\u0165 a uvo\u013e\u0148ova\u0165 energiu, kedyko\u013evek ju potrebujete?<\/p><p>Ke\u010f pochop\u00edte chemick\u00e9 zlo\u017eenie bat\u00e9ri\u00ed, neuspokoj\u00edte len zvedavos\u0165 - z\u00edskate preh\u013ead o ich v\u00fdkone, bezpe\u010dnosti a skuto\u010dn\u00fdch v\u00fdzvach v oblasti udr\u017eate\u013enosti, ktor\u00e9 prin\u00e1\u0161aj\u00fa.<\/p><p>V tejto pr\u00edru\u010dke sa dozviete, ak\u00e9 k\u013e\u00fa\u010dov\u00e9 prvky sa pou\u017e\u00edvaj\u00fa v r\u00f4znych typoch bat\u00e9ri\u00ed, pre\u010do s\u00fa tieto \u0161pecifick\u00e9 materi\u00e1ly d\u00f4le\u017eit\u00e9, ako ovplyv\u0148uj\u00fa funkciu a bezpe\u010dnos\u0165 bat\u00e9ri\u00ed a ak\u00e9 alternat\u00edvy vedci v s\u00fa\u010dasnosti vyv\u00edjaj\u00fa pre bud\u00face skladovanie energie. Ak chcete vedie\u0165 nielen&nbsp;<em>\u010do je vo vn\u00fatri<\/em>&nbsp;ale&nbsp;<em>pre\u010do<\/em>&nbsp;tieto materi\u00e1ly s\u00fa d\u00f4le\u017eit\u00e9, \u010dak\u00e1 v\u00e1s u\u017eito\u010dn\u00e9 \u010d\u00edtanie.<\/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\/sk\/kamada-power-12v-200ah-sodium-ion-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">12 V 200 Ah sod\u00edkovo i\u00f3nov\u00e1 bat\u00e9ria<\/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\/sk\/produkt\/kamada-power-10kwh-home-sodium-battery\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kamada Power 10kWh dom\u00e1ca sod\u00edkov\u00e1 bat\u00e9ria<\/a><\/strong><\/p><h2 class=\"wp-block-heading\" id=\"what-are-the-key-elements-used-in-batteries-\">Ak\u00e9 s\u00fa k\u013e\u00fa\u010dov\u00e9 prvky pou\u017e\u00edvan\u00e9 v bat\u00e9ri\u00e1ch?<\/h2><p>Bat\u00e9rie uchov\u00e1vaj\u00fa energiu chemicky a uvo\u013e\u0148uj\u00fa ju ako elektrick\u00fa energiu prostredn\u00edctvom elektrochemick\u00fdch reakci\u00ed medzi dvoma elektr\u00f3dami - an\u00f3dou a kat\u00f3dou - s elektrolytom medzi nimi. Ale je tu jedna vec:&nbsp;<strong>prvky<\/strong>&nbsp;ktor\u00e9 tvoria tieto elektr\u00f3dy, \u00faplne ur\u010duj\u00fa, ako dobre bat\u00e9ria funguje.<\/p><p>Ktor\u00e9 prvky sa teda zvy\u010dajne pou\u017e\u00edvaj\u00fa v dne\u0161n\u00fdch bat\u00e9ri\u00e1ch? Tieto prvky sa objavuj\u00fa naj\u010dastej\u0161ie:<\/p><ul class=\"wp-block-list\"><li><strong>L\u00edtium (Li):<\/strong>\u00a0Toto je hviezda l\u00edtium-i\u00f3nov\u00fdch bat\u00e9ri\u00ed. Je ve\u013emi \u013eahk\u00e1 a na jeden gram m\u00e1 ve\u013ea energie.<\/li>\n\n<li><strong>Olovo (Pb):<\/strong>\u00a0N\u00e1jdete ho v star\u0161\u00edch oloven\u00fdch bat\u00e9ri\u00e1ch, ktor\u00e9 sa \u010dasto pou\u017e\u00edvaj\u00fa v automobiloch alebo v z\u00e1lo\u017en\u00fdch zdrojoch.<\/li>\n\n<li><strong>Nikel (Ni):<\/strong>\u00a0Tento kov zvy\u0161uje \u017eivotnos\u0165 a odolnos\u0165 NiCd a NiMH bat\u00e9ri\u00ed.<\/li>\n\n<li><strong>Kobalt (Co):<\/strong>\u00a0Stabilizuje mnoh\u00e9 l\u00edtium-i\u00f3nov\u00e9 kat\u00f3dy a zvy\u0161uje ich energiu - ale za cenu.<\/li>\n\n<li><strong>Mang\u00e1n (Mn):<\/strong>\u00a0Pom\u00e1ha zni\u017eova\u0165 n\u00e1klady a zvy\u0161uje bezpe\u010dnos\u0165 l\u00edtiov\u00fdch bat\u00e9ri\u00ed.<\/li>\n\n<li><strong>Kadmium (Cd):<\/strong>\u00a0Kedysi bol popul\u00e1rny v NiCd bat\u00e9ri\u00e1ch, teraz sa mu vyh\u00fdbame, preto\u017ee je toxick\u00fd.<\/li>\n\n<li><strong>Zinok (Zn):<\/strong>\u00a0Je lacn\u00fd a bezpe\u010dn\u00fd, be\u017ene sa pou\u017e\u00edva v alkalick\u00fdch a zinkovzdu\u0161n\u00fdch bat\u00e9ri\u00e1ch.<\/li>\n\n<li><strong>Grafit (C):<\/strong>\u00a0Tvor\u00ed z\u00e1kladn\u00fa an\u00f3du v l\u00edtium-i\u00f3nov\u00fdch bat\u00e9ri\u00e1ch.<\/li>\n\n<li><strong>S\u00edra (S):<\/strong>\u00a0Nov\u0161\u00ed kat\u00f3dov\u00fd materi\u00e1l pre l\u00edtiovo-s\u00edrov\u00e9 bat\u00e9rie s ve\u013ek\u00fdm energetick\u00fdm potenci\u00e1lom.<\/li>\n\n<li><strong>Sod\u00edk (Na):<\/strong>\u00a0V\u00fdskumn\u00edkom sa p\u00e1\u010di t\u00e1to pre sod\u00edkovo-i\u00f3nov\u00e9 bat\u00e9rie. Je v\u0161ade a stoj\u00ed menej.<\/li><\/ul><p>Ka\u017ed\u00fd z t\u00fdchto prvkov zohr\u00e1va ve\u013emi \u0161pecifick\u00fa \u00falohu v tom, ako bat\u00e9ria funguje, ako dlho vydr\u017e\u00ed, ako je bezpe\u010dn\u00e1 a ko\u013eko stoj\u00ed. V\u00fdber nie je n\u00e1hodn\u00fd - je strategick\u00fd.<\/p><h3 class=\"wp-block-heading\" id=\"table-1-common-battery-elements-and-their-key-properties\">Tabu\u013eka 1: Be\u017en\u00e9 prvky bat\u00e9rie a ich k\u013e\u00fa\u010dov\u00e9 vlastnosti<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Prvok<\/th><th>Prim\u00e1rne typy bat\u00e9ri\u00ed<\/th><th>K\u013e\u00fa\u010dov\u00e9 v\u00fdhody<\/th><th>Hlavn\u00e9 obavy<\/th><\/tr><\/thead><tbody><tr><td>L\u00edtium<\/td><td>L\u00edtium-i\u00f3nov\u00e9<\/td><td>Vysok\u00e1 hustota energie, svetlo<\/td><td>Etick\u00e1 \u0165a\u017eba, n\u00e1klady<\/td><\/tr><tr><td>Vedenie<\/td><td>Oloven\u00fd akumul\u00e1tor<\/td><td>N\u00edzke n\u00e1klady, vysok\u00fd n\u00e1razov\u00fd pr\u00fad<\/td><td>\u0164a\u017ek\u00e9, toxick\u00e9<\/td><\/tr><tr><td>Nikel<\/td><td>NiCd, NiMH<\/td><td>Odolnos\u0165, dobr\u00e1 \u017eivotnos\u0165 cyklu<\/td><td>Toxicita (Cd v NiCd), n\u00e1klady<\/td><\/tr><tr><td>Kobalt<\/td><td>L\u00edtium-i\u00f3nov\u00e9 kat\u00f3dy<\/td><td>Stabilizuje kat\u00f3du, energiu<\/td><td>Vysok\u00e9 n\u00e1klady, etick\u00e9 probl\u00e9my<\/td><\/tr><tr><td>Mang\u00e1n<\/td><td>L\u00edtium-i\u00f3nov\u00e9 kat\u00f3dy<\/td><td>Bezpe\u010dnos\u0165, zn\u00ed\u017eenie n\u00e1kladov<\/td><td>Mierna energetick\u00e1 hustota<\/td><\/tr><tr><td>Kadmium<\/td><td>NiCd<\/td><td>Odoln\u00e9<\/td><td>Vysoko toxick\u00fd<\/td><\/tr><tr><td>Zinok<\/td><td>Alkalick\u00e9, zinkovo-vzdu\u0161n\u00e9<\/td><td>Lacn\u00e9, bezpe\u010dn\u00e9<\/td><td>Obmedzen\u00e1 mo\u017enos\u0165 dob\u00edjania<\/td><\/tr><tr><td>Grafit<\/td><td>L\u00edtium-i\u00f3nov\u00e9 an\u00f3dy<\/td><td>Stabiln\u00e1 interkal\u00e1cia l\u00edtia<\/td><td>Obmedzen\u00e1 kapacita<\/td><\/tr><tr><td>S\u00edra<\/td><td>L\u00edtium-s\u00edra<\/td><td>Ve\u013emi vysok\u00e1 teoretick\u00e1 energia<\/td><td>Ot\u00e1zky \u017eivotnosti cyklu<\/td><\/tr><tr><td>Sod\u00edk<\/td><td>Sod\u00edkov\u00e9 i\u00f3ny<\/td><td>Hojn\u00e9 mno\u017estvo, n\u00edzke n\u00e1klady<\/td><td>Ni\u017e\u0161ia hustota energie<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\" id=\"how-different-battery-types-use-different-elements\">Ako r\u00f4zne typy bat\u00e9ri\u00ed pou\u017e\u00edvaj\u00fa r\u00f4zne prvky<\/h2><p>Chemick\u00e9 zlo\u017eenie bat\u00e9ri\u00ed sa men\u00ed v z\u00e1vislosti od ka\u017ed\u00e9ho pr\u00edpadu pou\u017eitia - v z\u00e1vislosti od n\u00e1kladov, potreby energie a v\u00fdkonu. Prejdime si najbe\u017enej\u0161ie typy a prvky, ktor\u00e9 s\u00fa v nich obsiahnut\u00e9:<\/p><h3 class=\"wp-block-heading\" id=\"1-lithium-ion-batteries-li-ion-\">1. L\u00edtium-i\u00f3nov\u00e9 bat\u00e9rie (Li-ion)<\/h3><p><strong>Pr\u00edslu\u0161n\u00e9 prvky:<\/strong>&nbsp;L\u00edtium, kobalt, nikel, mang\u00e1n, grafit<\/p><p>L\u00edtium-i\u00f3nov\u00e9 bat\u00e9rie sa dnes pou\u017e\u00edvaj\u00fa vo v\u0161etk\u00fdch zariadeniach, od telef\u00f3nov a\u017e po elektromobily, najm\u00e4 preto, \u017ee maj\u00fa vysok\u00fa hustotu energie (150-250 Wh\/kg) a dobr\u00fa \u017eivotnos\u0165. I\u00f3ny l\u00edtia sa pohybuj\u00fa medzi grafitovou an\u00f3dou a kat\u00f3dou vyrobenou z materi\u00e1lov, ako je oxid kobaltnato-l\u00fatiov\u00fd (LiCoO\u2082), oxid nikel-mang\u00e1n-kobalt (NMC) alebo fosf\u00e1t l\u00edtia a \u017eeleza (LFP).<\/p><ul class=\"wp-block-list\"><li>Kobalt pom\u00e1ha stabilizova\u0165 kat\u00f3du, hoci je spojen\u00fd s n\u00e1kladmi a \u013eudsk\u00fdmi pr\u00e1vami.<\/li>\n\n<li>Nikel zvy\u0161uje kapacitu a skladovanie energie.<\/li>\n\n<li>Mang\u00e1n zvy\u0161uje bezpe\u010dnos\u0165 t\u00fdm, \u017ee zvy\u0161uje tepeln\u00fa odolnos\u0165.<\/li>\n\n<li>Grafit p\u00f4sob\u00ed po\u010das nab\u00edjania ako stabiln\u00e1 z\u00e1klad\u0148a pre i\u00f3ny l\u00edtia.<\/li><\/ul><p>Hoci tieto kombin\u00e1cie funguj\u00fa dobre, priemysel sa teraz sna\u017e\u00ed zn\u00ed\u017ei\u0165 pou\u017e\u00edvanie kobaltu z h\u013eadiska n\u00e1kladov aj etiky.<\/p><h3 class=\"wp-block-heading\" id=\"2-lead-acid-batteries\">2. Oloven\u00e9 bat\u00e9rie<\/h3><p><strong>Pr\u00edslu\u0161n\u00e9 prvky:<\/strong>&nbsp;Olovo, kyselina s\u00edrov\u00e1<\/p><p>\u013dudia sa st\u00e1le spoliehaj\u00fa na oloven\u00e9 bat\u00e9rie na \u0161tartovanie motorov \u00e1ut a nap\u00e1janie n\u00fadzov\u00fdch z\u00e1lo\u017en\u00fdch zdrojov - najm\u00e4 preto, \u017ee s\u00fa lacn\u00e9 a spo\u013eahliv\u00e9. Ich kat\u00f3da vyu\u017e\u00edva oxid olovnat\u00fd a an\u00f3da hubovit\u00e9 olovo v kyseline s\u00edrovej.<\/p><p>Napriek ich veku si ich pou\u017e\u00edvatelia dr\u017eia pre ich recyklovate\u013enos\u0165 a cenov\u00fa dostupnos\u0165.<\/p><h3 class=\"wp-block-heading\" id=\"3-nickel-cadmium-batteries-nicd-\">3. Nikel-kadmiov\u00e9 bat\u00e9rie (NiCd)<\/h3><p><strong>Pr\u00edslu\u0161n\u00e9 prvky:<\/strong>&nbsp;Nikel, kadmium<\/p><p>NiCd bat\u00e9rie vydr\u017eia dlho a zvl\u00e1dnu n\u00e1ro\u010dn\u00e9 pou\u017e\u00edvanie, ale kadmium je toxick\u00e9 a \u0161kodliv\u00e9. Z tohto d\u00f4vodu od nich v\u00e4\u010d\u0161ina priemyseln\u00fdch odvetv\u00ed pomaly up\u00fa\u0161\u0165a.<\/p><h3 class=\"wp-block-heading\" id=\"4-nickel-metal-hydride-batteries-nimh-\">4. Nikel-metalhydridov\u00e9 bat\u00e9rie (NiMH)<\/h3><p><strong>Pr\u00edslu\u0161n\u00e9 prvky:<\/strong>&nbsp;Nikel, kovy vz\u00e1cnych zem\u00edn<\/p><p>NiMH bat\u00e9rie nahradili NiCd v mnoh\u00fdch elektronick\u00fdch zariadeniach a hybridoch. S\u00fa bezpe\u010dnej\u0161ie a ekologickej\u0161ie, vyu\u017e\u00edvaj\u00fa hydroxid niklu a metalhydridov\u00e9 elektr\u00f3dy.<\/p><h3 class=\"wp-block-heading\" id=\"5-alkaline-batteries\">5. Alkalick\u00e9 bat\u00e9rie<\/h3><p><strong>Pr\u00edslu\u0161n\u00e9 prvky:<\/strong>&nbsp;Zinok, oxid mangani\u010dit\u00fd<\/p><p>Tieto bat\u00e9rie s\u00fa vhodn\u00e9 do dia\u013ekov\u00fdch ovl\u00e1da\u010dov a bateriek. Pou\u017e\u00edvaj\u00fa zinkov\u00fa an\u00f3du, mang\u00e1nov\u00fa kat\u00f3du a hydroxid draseln\u00fd ako elektrolyt. \u013dudia ich maj\u00fa radi pre ich trvanlivos\u0165 a cenu.<\/p><h3 class=\"wp-block-heading\" id=\"table-2-comparison-of-major-battery-types-and-their-key-metrics\">Tabu\u013eka 2: Porovnanie hlavn\u00fdch typov bat\u00e9ri\u00ed a ich k\u013e\u00fa\u010dov\u00fdch ukazovate\u013eov<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Typ bat\u00e9rie<\/th><th>Hustota energie (Wh\/kg)<\/th><th>\u017divotnos\u0165 cyklu (cykly)<\/th><th>N\u00e1klady<\/th><th>Vplyv na \u017eivotn\u00e9 prostredie<\/th><\/tr><\/thead><tbody><tr><td>L\u00edtium-i\u00f3nov\u00e9<\/td><td>150-250<\/td><td>500-2000<\/td><td>Vysok\u00e1<\/td><td>Mierne, etick\u00e9 obavy<\/td><\/tr><tr><td>Olovnato-kyselinov\u00e9<\/td><td>30-50<\/td><td>200-500<\/td><td>N\u00edzka<\/td><td>Toxick\u00e9 kovy, recyklovate\u013en\u00e9<\/td><\/tr><tr><td>Nikel-kadmium<\/td><td>45-80<\/td><td>1000-2000<\/td><td>Stredn\u00e9<\/td><td>Toxick\u00e9 kadmium<\/td><\/tr><tr><td>Hydrid niklu a kovu<\/td><td>60-120<\/td><td>500-1000<\/td><td>Stredn\u00e9<\/td><td>Bezpe\u010dnej\u0161ie ako NiCd<\/td><\/tr><tr><td>Alkalick\u00e9<\/td><td>100-150 (bez dob\u00edjania)<\/td><td>NEUPLAT\u0147UJE SA<\/td><td>N\u00edzka<\/td><td>Jednorazov\u00e9, obmedzen\u00e1 recykl\u00e1cia<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\" id=\"why-are-these-elements-chosen-\">Pre\u010do s\u00fa vybran\u00e9 pr\u00e1ve tieto prvky?<\/h2><p>V\u00fdrobcovia bat\u00e9ri\u00ed vyberaj\u00fa prvky na z\u00e1klade nieko\u013ek\u00fdch prekr\u00fdvaj\u00facich sa d\u00f4vodov:<\/p><ul class=\"wp-block-list\"><li><strong>Elektrochemick\u00e9 spr\u00e1vanie:<\/strong>\u00a0Prvky potrebuj\u00fa na svoju \u010dinnos\u0165 priazniv\u00e9 redoxn\u00e9 potenci\u00e1ly. N\u00edzka hmotnos\u0165 a vysok\u00e1 reaktivita l\u00edtia ho na to v\u00fdborne predur\u010duj\u00fa.<\/li>\n\n<li><strong>Skladovanie energie:<\/strong>\u00a0Niektor\u00e9 materi\u00e1ly maj\u00fa viac \u0161\u0165avy ako in\u00e9. L\u00edtium a nikel tu ved\u00fa.<\/li>\n\n<li><strong>Stabilita:<\/strong>\u00a0Bat\u00e9rie musia zvl\u00e1dnu\u0165 teplo, chlad a chemick\u00e9 nam\u00e1hanie bez toho, aby sa pokazili alebo sp\u00f4sobili po\u017eiar.<\/li>\n\n<li><strong>Cena a dostupnos\u0165:<\/strong>\u00a0\u010c\u00edm je prvok hojnej\u0161\u00ed, t\u00fdm menej stoj\u00ed v\u00fdroba bat\u00e9ri\u00ed z neho.<\/li>\n\n<li><strong>Bezpe\u010dnos\u0165 a etika:<\/strong>\u00a0Niektor\u00e9 prvky ako kadmium alebo kobalt vyvol\u00e1vaj\u00fa zdravotn\u00e9 a pracovn\u00e9 probl\u00e9my, preto sa ich spolo\u010dnosti sna\u017eia nahradi\u0165.<\/li><\/ul><p>Napr\u00edklad kobalt s\u00edce zlep\u0161uje energiu a \u0161trukt\u00faru bat\u00e9ri\u00ed, ale jeho cena a probl\u00e9my s \u0165a\u017ebou ho robia menej atrakt\u00edvnym do bud\u00facnosti.<\/p><h2 class=\"wp-block-heading\" id=\"how-do-elements-impact-battery-performance-and-safety-\">Ako prvky ovplyv\u0148uj\u00fa v\u00fdkon a bezpe\u010dnos\u0165 bat\u00e9rie?<\/h2><p>Ka\u017ed\u00fd prvok men\u00ed fungovanie bat\u00e9rie v re\u00e1lnom \u017eivote:<\/p><h3 class=\"wp-block-heading\" id=\"energy-density-and-capacity\">Hustota energie a kapacita<\/h3><ul class=\"wp-block-list\"><li>Bat\u00e9rie s vysok\u00fdm obsahom niklu m\u00f4\u017eu dosiahnu\u0165 viac ako 250 Wh\/kg - ide\u00e1lne pre elektrick\u00e9 vozidl\u00e1 s dlh\u00fdm dojazdom.<\/li>\n\n<li>Oloven\u00e9 akumul\u00e1tory maj\u00fa ove\u013ea ni\u017e\u0161iu energetick\u00fa hustotu, ale dobre sa hodia na kr\u00e1tkodob\u00e9 pou\u017eitie alebo pou\u017eitie s ve\u013ek\u00fdm po\u010dtom amp\u00e9rov.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"charge-discharge-rates\">R\u00fdchlosti nab\u00edjania\/vyb\u00edjania<\/h3><ul class=\"wp-block-list\"><li>Kobalt a nikel umo\u017e\u0148uj\u00fa r\u00fdchle nab\u00edjanie a stabiln\u00fd v\u00fdkon.<\/li>\n\n<li>Grafitov\u00e9 an\u00f3dy umo\u017e\u0148uj\u00fa r\u00fdchly pohyb l\u00edtia dovn\u00fatra a von, \u010do zlep\u0161uje \u010das nab\u00edjania.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"safety-and-heat-resistance\">Bezpe\u010dnos\u0165 a tepeln\u00e1 odolnos\u0165<\/h3><ul class=\"wp-block-list\"><li>V\u010faka chemick\u00fdm zlo\u017ek\u00e1m s mang\u00e1nom a LFP s\u00fa bat\u00e9rie odolnej\u0161ie vo\u010di oh\u0148u.<\/li>\n\n<li>S olovom a kadmiom sa zaobch\u00e1dza opatrne vzh\u013eadom na ich toxick\u00e9 \u00fa\u010dinky na \u013eud\u00ed a \u017eivotn\u00e9 prostredie.<\/li><\/ul><h3 class=\"wp-block-heading\" id=\"toxicity-and-waste\">Toxicita a odpad<\/h3><ul class=\"wp-block-list\"><li>Prvky ako kadmium a olovo s\u00fa nebezpe\u010dn\u00e9, ak nie s\u00fa spr\u00e1vne zlikvidovan\u00e9.<\/li>\n\n<li>Recykl\u00e1cia l\u00edtium-i\u00f3nov\u00fdch bat\u00e9ri\u00ed sa v s\u00fa\u010dasnosti zlep\u0161uje, \u010do pom\u00e1ha z\u00edskava\u0165 kovy a zni\u017eova\u0165 vplyv skl\u00e1dok.<\/li><\/ul><h2 class=\"wp-block-heading\" id=\"environmental-and-ethical-concerns-of-battery-elements\">Environment\u00e1lne a etick\u00e9 ot\u00e1zky t\u00fdkaj\u00face sa bat\u00e9riov\u00fdch prvkov<\/h2><p>Z\u00edskavanie ur\u010dit\u00fdch materi\u00e1lov pre bat\u00e9rie si vy\u017eaduje viac ne\u017e len ich vykopanie:<\/p><ul class=\"wp-block-list\"><li><strong>Kobalt z KDR<\/strong>\u00a0sa sp\u00e1ja s nebezpe\u010dn\u00fdmi pracovn\u00fdmi podmienkami a detskou pr\u00e1cou.<\/li>\n\n<li><strong>\u0164a\u017eba l\u00edtia<\/strong>\u00a0na such\u00fdch miestach ovplyv\u0148uje z\u00e1soby vody a komunity.<\/li>\n\n<li>Nikel a kovy vz\u00e1cnych zem\u00edn prin\u00e1\u0161aj\u00fa geopolitick\u00e9 v\u00fdzvy a v\u00fdzvy v dod\u00e1vate\u013eskom re\u0165azci.<\/li>\n\n<li>Technol\u00f3gia recykl\u00e1cie st\u00e1le zaost\u00e1va za dopytom, ale pre bud\u00facnos\u0165 je nevyhnutn\u00e1.<\/li><\/ul><p>Vl\u00e1dy, najm\u00e4 v E\u00da, v s\u00fa\u010dasnosti tla\u010dia v\u00fdrobcov bat\u00e9ri\u00ed k \u010distej\u0161\u00edm zdrojom a obehov\u00fdm postupom.<\/p><h2 class=\"wp-block-heading\" id=\"emerging-alternative-elements-in-next-generation-batteries\">Nov\u00e9 alternat\u00edvne prvky v bat\u00e9ri\u00e1ch novej gener\u00e1cie<\/h2><p>Na vyrie\u0161enie s\u00fa\u010dasn\u00fdch probl\u00e9mov s n\u00e1kladmi, etikou a z\u00e1sobovan\u00edm sa v\u00fdskumn\u00edci zameriavaj\u00fa na nov\u0161ie mo\u017enosti:<\/p><h3 class=\"wp-block-heading\" id=\"sodium-ion-batteries\">Sod\u00edkovo-i\u00f3nov\u00e9 bat\u00e9rie<\/h3><p>Sod\u00edk stoj\u00ed menej a je \u013eah\u0161ie dostupn\u00fd ako l\u00edtium. Tieto <strong><a href=\"https:\/\/www.kmdpower.com\/sk\/sodium-ion-battery-manufacturers\/\" target=\"_blank\" rel=\"noreferrer noopener\">sod\u00edkov\u00e9 i\u00f3nov\u00e9 bat\u00e9rie<\/a><\/strong> s\u00edce nezachytia to\u013eko energie (100-160 Wh\/kg), ale mohli by dobre fungova\u0165 pri ve\u013ek\u00fdch skladovac\u00edch zariadeniach.<\/p><h3 class=\"wp-block-heading\" id=\"lithium-sulfur-batteries\">L\u00edtiovo-s\u00edrov\u00e9 bat\u00e9rie<\/h3><p>Tie s\u013eubuj\u00fa a\u017e 400+ Wh\/kg s pou\u017eit\u00edm s\u00edry, ktor\u00e1 je lacn\u00e1 a hojn\u00e1. S\u00edrov\u00e9 bat\u00e9rie v\u0161ak st\u00e1le z\u00e1pasia so stratou kapacity v priebehu \u010dasu.<\/p><h3 class=\"wp-block-heading\" id=\"graphene-batteries\">Graf\u00e9nov\u00e9 bat\u00e9rie<\/h3><p>Pridan\u00edm graf\u00e9nu sa tieto bat\u00e9rie nab\u00edjaj\u00fa r\u00fdchlej\u0161ie a vydr\u017eia dlh\u0161ie, hoci ich v\u00fdroba je st\u00e1le drah\u00e1.<\/p><h3 class=\"wp-block-heading\" id=\"solid-state-batteries\">Polovodi\u010dov\u00e9 bat\u00e9rie<\/h3><p>Namiesto kvapaliny sa v nich pou\u017e\u00edvaj\u00fa pevn\u00e9 elektrolyty, v\u010faka \u010domu s\u00fa bezpe\u010dnej\u0161ie a energeticky v\u00fddatnej\u0161ie.<\/p><h3 class=\"wp-block-heading\" id=\"zinc-based-batteries\">Bat\u00e9rie na b\u00e1ze zinku<\/h3><p>S\u00fa lacn\u00e9, netoxick\u00e9 a \u013eahko sa recykluj\u00fa. Zinkovo-vzduchov\u00e9 bat\u00e9rie by mohli v bl\u00edzkej bud\u00facnosti poh\u00e1\u0148a\u0165 dom\u00e1cnosti a rozvodn\u00e9 siete.<\/p><h3 class=\"wp-block-heading\" id=\"cobalt-free-batteries\">Bat\u00e9rie bez kobaltu<\/h3><p>Bat\u00e9rie vyu\u017e\u00edvaj\u00face LFP alebo chemick\u00e9 technol\u00f3gie s vysok\u00fdm obsahom niklu sa \u00faplne vyh\u00fdbaj\u00fa kobaltu, \u010do pom\u00e1ha zn\u00ed\u017ei\u0165 n\u00e1klady a zv\u00fd\u0161i\u0165 bezpe\u010dnos\u0165.<\/p><h3 class=\"wp-block-heading\" id=\"iron-air-batteries\">\u017delezno-vzduchov\u00e9 bat\u00e9rie<\/h3><p>Pomocou \u017eeleza a vzduchu maj\u00fa zabezpe\u010di\u0165 dlhodob\u00e9 skladovanie pri ve\u013emi n\u00edzkych n\u00e1kladoch. Potrebuj\u00fa v\u0161ak lep\u0161iu dob\u00edjate\u013enos\u0165 a hustotu energie.<\/p><h3 class=\"wp-block-heading\" id=\"table-3-emerging-battery-technologies-and-their-potential\">Tabu\u013eka 3: Nov\u00e9 bat\u00e9riov\u00e9 technol\u00f3gie a ich potenci\u00e1l<\/h3><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Typ bat\u00e9rie<\/th><th>Teoretick\u00e1 hustota energie (Wh\/kg)<\/th><th>K\u013e\u00fa\u010dov\u00e9 v\u00fdhody<\/th><th>Hlavn\u00e9 v\u00fdzvy<\/th><\/tr><\/thead><tbody><tr><td>Sod\u00edkov\u00e9 i\u00f3ny<\/td><td>100-160<\/td><td>N\u00edzke n\u00e1klady, dostatok zdrojov<\/td><td>Ni\u017e\u0161ia hustota energie<\/td><\/tr><tr><td>L\u00edtium-s\u00edra<\/td><td>400+<\/td><td>Ve\u013emi vysok\u00e1 hustota energie<\/td><td>\u017divotnos\u0165 cyklu, posun polysulfidu<\/td><\/tr><tr><td>Graf\u00e9nom zosilnen\u00fd Li<\/td><td>250+<\/td><td>R\u00fdchle nab\u00edjanie, dlh\u00e1 \u017eivotnos\u0165 cyklu<\/td><td>Zlo\u017eitos\u0165 v\u00fdroby<\/td><\/tr><tr><td>Polovodi\u010dov\u00e9 zariadenie<\/td><td>300-500<\/td><td>Vysok\u00e1 bezpe\u010dnos\u0165, hustota energie<\/td><td>\u0160k\u00e1lovate\u013enos\u0165, n\u00e1klady<\/td><\/tr><tr><td>Zinc-Air<\/td><td>300-400<\/td><td>Bezpe\u010dn\u00e9, lacn\u00e9, recyklovate\u013en\u00e9<\/td><td>Dob\u00edjate\u013enos\u0165, v\u00fdkon<\/td><\/tr><tr><td>Iron-Air<\/td><td>300+<\/td><td>Ve\u013emi n\u00edzke n\u00e1klady, dostatok materi\u00e1lov<\/td><td>Hustota v\u00fdkonu, mo\u017enos\u0165 dob\u00edjania<\/td><\/tr><\/tbody><\/table><\/figure><h2 class=\"wp-block-heading\" id=\"conclusion\">Z\u00e1ver<\/h2><p>Ke\u010f viete, ak\u00e9 prvky s\u00fa s\u00fa\u010das\u0165ou bat\u00e9ri\u00ed a pre\u010do tam s\u00fa, za\u010dnete ch\u00e1pa\u0165 kompromisy, ktor\u00e9 musia v\u00fdrobcovia robi\u0165. V s\u00fa\u010dasnosti s\u00edce dominuje l\u00edtium, ale v bud\u00facnosti by sa mohli presadi\u0165 sod\u00edk, s\u00edra a zinok.<\/p><p>Bud\u00facnos\u0165 bat\u00e9ri\u00ed nebude z\u00e1visie\u0165 len od ch\u00e9mie, ale aj od vedy, etiky a inteligentn\u00e9ho z\u00edskavania zdrojov.<\/p><h2 class=\"wp-block-heading\" id=\"faq\">\u010cASTO KLADEN\u00c9 OT\u00c1ZKY<\/h2><h3 class=\"wp-block-heading\" id=\"what-is-the-most-common-element-used-in-lithium-ion-batteries-\">Ak\u00fd prvok sa naj\u010dastej\u0161ie pou\u017e\u00edva v l\u00edtium-i\u00f3nov\u00fdch bat\u00e9ri\u00e1ch?<\/h3><p>To by bolo l\u00edtium. Ale v kat\u00f3dach sa pou\u017e\u00edva aj kobalt, nikel a mang\u00e1n - a na an\u00f3du grafit.<\/p><h3 class=\"wp-block-heading\" id=\"are-lithium-batteries-the-best-choice-for-all-applications-\">S\u00fa l\u00edtiov\u00e9 bat\u00e9rie najlep\u0161ou vo\u013ebou pre v\u0161etky aplik\u00e1cie?<\/h3><p>Nie. Na veci, ako je stacion\u00e1rne skladovanie alebo pou\u017eitie s ni\u017e\u0161\u00edm rozpo\u010dtom, by mohli by\u0165 lep\u0161ie oloven\u00e9 alebo sod\u00edkov\u00e9 i\u00f3ny.<\/p><h3 class=\"wp-block-heading\" id=\"can-manufacturers-make-batteries-without-toxic-elements-like-cobalt-\">M\u00f4\u017eu v\u00fdrobcovia vyr\u00e1ba\u0165 bat\u00e9rie bez toxick\u00fdch prvkov, ako je kobalt?<\/h3><p>\u00c1no, a mnoh\u00e9 z nich to u\u017e robia, pri\u010dom chemick\u00e9 l\u00e1tky s vysok\u00fdm obsahom niklu z\u00edskavaj\u00fa na popularite.<\/p><h3 class=\"wp-block-heading\" id=\"how-does-element-choice-affect-battery-lifespan-\">Ako ovplyv\u0148uje v\u00fdber prvkov \u017eivotnos\u0165 bat\u00e9rie?<\/h3><p>Lep\u0161ie materi\u00e1ly sa menej rozkladaj\u00fa. Napr\u00edklad mang\u00e1n a fosfore\u010dnan \u017eeleza pom\u00e1haj\u00fa bat\u00e9ri\u00e1m vydr\u017ea\u0165 dlh\u0161ie.<\/p><h3 class=\"wp-block-heading\" id=\"what-are-the-safest-battery-chemistries-\">Ak\u00e9 s\u00fa najbezpe\u010dnej\u0161ie chemick\u00e9 bat\u00e9rie?<\/h3><p>Polovodi\u010dov\u00e9 bat\u00e9rie a bat\u00e9rie LFP pon\u00fakaj\u00fa lep\u0161iu tepeln\u00fa bezpe\u010dnos\u0165 a men\u0161ie rizik\u00e1 po\u017eiaru ako kobaltov\u00e9 l\u00edtium-i\u00f3nov\u00e9 bat\u00e9rie.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ak\u00fd prvok sa pou\u017e\u00edva v bat\u00e9ri\u00e1ch? Bat\u00e9rie dnes poh\u00e1\u0148aj\u00fa takmer v\u0161etko, \u010do pou\u017e\u00edvame - od smartf\u00f3nov, notebookov a\u017e po elektrick\u00e9 vozidl\u00e1 a rozsiahle syst\u00e9my na skladovanie energie v sieti. Ale zastavili ste sa niekedy a polo\u017eili si ot\u00e1zku, ak\u00e9 prvky vlastne zabezpe\u010duj\u00fa fungovanie bat\u00e9rie? Napr\u00edklad, \u010do sa v skuto\u010dnosti nach\u00e1dza vo vn\u00fatri tejto \u0161katule, ktor\u00e1 umo\u017e\u0148uje uklada\u0165 a uvo\u013e\u0148ova\u0165 energiu, kedyko\u013evek potrebujete...<\/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\/sk\/wp-json\/wp\/v2\/posts\/4635","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/comments?post=4635"}],"version-history":[{"count":1,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts\/4635\/revisions"}],"predecessor-version":[{"id":4636,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/posts\/4635\/revisions\/4636"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/media\/1452"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/media?parent=4635"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/categories?post=4635"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/sk\/wp-json\/wp\/v2\/tags?post=4635"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}