{"id":5217,"date":"2026-06-09T07:46:36","date_gmt":"2026-06-09T07:46:36","guid":{"rendered":"https:\/\/www.kmdpower.com\/?p=5217"},"modified":"2026-06-09T07:49:35","modified_gmt":"2026-06-09T07:49:35","slug":"do-sodium-ion-battery-lose-capacity-if-stored-at-0v-for-long-periods","status":"publish","type":"post","link":"https:\/\/www.kmdpower.com\/cs\/news\/do-sodium-ion-battery-lose-capacity-if-stored-at-0v-for-long-periods\/","title":{"rendered":"Ztr\u00e1c\u00ed sod\u00edkov\u00e9 baterie kapacitu p\u0159i dlouhodob\u00e9m skladov\u00e1n\u00ed p\u0159i nap\u011bt\u00ed 0 V?"},"content":{"rendered":"<p class=\"wp-block-paragraph\">Do <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/sodium-ion-battery-manufacturers\/\" target=\"_blank\" rel=\"noreferrer noopener\">Sod\u00edko-iontov\u00e1 baterie<\/a><\/strong> Ztr\u00e1c\u00ed kapacitu p\u0159i dlouhodob\u00e9m skladov\u00e1n\u00ed p\u0159i 0 V? Sod\u00edkovo-iontov\u00e1 baterie s nap\u011bt\u00edm 0 V vyvol\u00e1v\u00e1 u mnoha kupuj\u00edc\u00edch obavy z jednoduch\u00e9ho d\u016fvodu: u lithium-iontov\u00fdch syst\u00e9m\u016f m\u016f\u017ee hlubok\u00e9 nadm\u011brn\u00e9 vybit\u00ed znamenat bezpe\u010dnostn\u00ed riziko, trval\u00e9 po\u0161kozen\u00ed nebo oboj\u00ed. Sodium-iontov\u00e1 baterie tuto diskusi m\u011bn\u00ed, ale riziko neodstra\u0148uje.<\/p><p class=\"wp-block-paragraph\">Nejp\u0159esn\u011bj\u0161\u00ed odpov\u011b\u010f je tato:&nbsp;<strong>ano, sod\u00edkov\u00e9 baterie mohou ztr\u00e1cet kapacitu, pokud jsou dlouhodob\u011b skladov\u00e1ny p\u0159i nap\u011bt\u00ed 0 V, ale v\u00fdsledek z\u00e1vis\u00ed na chemick\u00e9m slo\u017een\u00ed, elektrolytu, dob\u011b skladov\u00e1n\u00ed, teplot\u011b, konstrukci \u010dl\u00e1nku a zp\u016fsobu obnovy.<\/strong><\/p><p class=\"wp-block-paragraph\">Zjednodu\u0161en\u011b \u0159e\u010deno, tolerance 0 V je skute\u010dn\u00e1, ale nen\u00ed to tot\u00e9\u017e jako nulov\u00e1 degradace. Sod\u00edkov\u00fd akumul\u00e1tor m\u016f\u017ee b\u00fdt bezpe\u010dn\u011bj\u0161\u00ed pro zotaven\u00ed z 0V ne\u017e mnoho b\u011b\u017en\u00fdch lithium-iontov\u00fdch \u010dl\u00e1nk\u016f, ale to neznamen\u00e1, \u017ee dlouhodob\u00e9 skladov\u00e1n\u00ed 0V je v\u017edy v\u00fdkonov\u011b neutr\u00e1ln\u00ed.<\/p><figure class=\"wp-block-image size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"1000\" src=\"https:\/\/www.kmdpower.com\/wp-content\/uploads\/kamada-power-12v-100ah-sodium-ion-battery-main-image-002.jpg\" alt=\"\" class=\"wp-image-1181\"\/><\/figure><p class=\"has-text-align-center alignwide wp-block-paragraph\"><strong><a href=\"https:\/\/www.kmdpower.com\/cs\/kamada-poewr-12v-100ah-sodium-ion-battery-product\/\" target=\"_blank\" rel=\"noreferrer noopener\">Kamada Power 12V 100Ah sod\u00edkoiontov\u00e1 baterie<\/a><\/strong><\/p><h2 class=\"wp-block-heading\">Ztr\u00e1cej\u00ed sod\u00edkov\u00e9 baterie kapacitu, pokud jsou dlouhodob\u011b skladov\u00e1ny p\u0159i nap\u011bt\u00ed 0 V?<\/h2><p class=\"wp-block-paragraph\">Ano, mohou. Sod\u00edkov\u00e9 \u010dl\u00e1nky se \u010dasto ozna\u010duj\u00ed jako \"0V-stabiln\u00ed\", proto\u017ee mnoh\u00e9 z nich sn\u00e1\u0161ej\u00ed nulov\u00e9 nap\u011bt\u00ed l\u00e9pe ne\u017e b\u011b\u017en\u00e9 lithium-iontov\u00e9 \u010dl\u00e1nky. Hlavn\u00edm d\u016fvodem je konstrukce \u010dl\u00e1nk\u016f. Mnoho konstrukc\u00ed sod\u00edkov\u00fdch \u010dl\u00e1nk\u016f m\u016f\u017ee pou\u017e\u00edvat hlin\u00edkov\u00e9 proudov\u00e9 kolektory m\u00edsto m\u011bd\u011bn\u00fdch na z\u00e1porn\u00e9 stran\u011b, \u010d\u00edm\u017e se vyhne probl\u00e9mu rozpou\u0161t\u011bn\u00ed m\u011bdi, kter\u00fd \u010din\u00ed hlubok\u00e9 nadm\u011brn\u00e9 vyb\u00edjen\u00ed u mnoha lithium-iontov\u00fdch \u010dl\u00e1nk\u016f obzvl\u00e1\u0161t\u011b nebezpe\u010dn\u00fdm.<\/p><p class=\"wp-block-paragraph\">Tato bezpe\u010dnostn\u00ed v\u00fdhoda v\u0161ak&nbsp;<strong>ne<\/strong>&nbsp;zaru\u010duj\u00ed zachov\u00e1n\u00ed pln\u00e9ho v\u00fdkonu i po dlouh\u00e9m skladov\u00e1n\u00ed p\u0159i nap\u011bt\u00ed 0 V.<\/p><p class=\"wp-block-paragraph\">Nulov\u00e9 nap\u011bt\u00ed v \u00falo\u017ei\u0161ti m\u016f\u017ee st\u00e1le zp\u016fsobovat nestabilitu mezi f\u00e1zemi, degradaci SEI, vy\u0161\u0161\u00ed impedanci, ni\u017e\u0161\u00ed vyu\u017eitelnou kapacitu, slab\u0161\u00ed rychlostn\u00ed schopnost nebo krat\u0161\u00ed budouc\u00ed \u017eivotnost cyklu. \u010cl\u00e1nek m\u016f\u017ee b\u00fdt bezpe\u010dn\u011b dob\u00edjen, a p\u0159esto se m\u016f\u017ee vr\u00e1tit se sn\u00ed\u017een\u00fdm v\u00fdkonem.<\/p><p class=\"wp-block-paragraph\">Toto rozli\u0161en\u00ed je d\u016fle\u017eit\u00e9 pro v\u00fdrobce OEM, distributory a syst\u00e9mov\u00e9 integr\u00e1tory. Tvrzen\u00ed o 0V by se nem\u011blo prom\u011bnit v z\u00e1sady ukl\u00e1d\u00e1n\u00ed, pokud dodavatel nem\u016f\u017ee prok\u00e1zat skute\u010dn\u00e9 \u00fadaje o obnov\u011b za definovan\u00fdch podm\u00ednek.<\/p><h2 class=\"wp-block-heading\">Co vlastn\u011b znamen\u00e1 ulo\u017een\u00ed p\u0159i 0 V v re\u00e1ln\u00fdch aplikac\u00edch?<\/h2><p class=\"wp-block-paragraph\">\"Ulo\u017eeno p\u0159i 0 V\" m\u016f\u017ee popisovat velmi odli\u0161n\u00e9 situace. \u010cl\u00e1nek m\u016f\u017ee kr\u00e1tkodob\u011b dos\u00e1hnout 0V p\u0159i n\u00e1hodn\u00e9m nadm\u011brn\u00e9m vybit\u00ed. Akumul\u00e1tor m\u016f\u017ee b\u00fdt ponech\u00e1n v ne\u010dinnosti, dokud jej parazitn\u00ed z\u00e1t\u011b\u017e nest\u00e1hne dol\u016f. Dodavatel m\u016f\u017ee z logistick\u00fdch a bezpe\u010dnostn\u00edch d\u016fvod\u016f dod\u00e1vat \u010dl\u00e1nky nebo sady v nulov\u00e9m stavu. Laborato\u0159 m\u016f\u017ee v r\u00e1mci testov\u00e1n\u00ed zneu\u017eit\u00ed nebo obnovy prov\u00e1d\u011bt opakovan\u00e9 cykly s nap\u011bt\u00edm 0 V. Nebo m\u016f\u017ee sklad ne\u00famysln\u011b ponechat vybit\u00e9 baterie po dobu n\u011bkolika t\u00fddn\u016f nebo m\u011bs\u00edc\u016f.<\/p><p class=\"wp-block-paragraph\">Nejedn\u00e1 se o stejn\u00fd stav. Kr\u00e1tk\u00fd v\u00fdkyv 0 V a n\u00e1sledn\u00e9 \u0159\u00edzen\u00e9 obnoven\u00ed se li\u0161\u00ed od skute\u010dn\u00e9ho dlouhodob\u00e9ho skladov\u00e1n\u00ed p\u0159i 0 V. Pravideln\u00e9 testovac\u00ed ud\u00e1losti p\u0159i 0V se tak\u00e9 li\u0161\u00ed od baterie, kter\u00e1 le\u017e\u00ed m\u011bs\u00edce v hork\u00e9m skladu nebo v sez\u00f3nn\u00edm za\u0159\u00edzen\u00ed.<\/p><p class=\"wp-block-paragraph\">I kdy\u017e svorkov\u00e9 nap\u011bt\u00ed vypad\u00e1 stejn\u011b, vnit\u0159n\u00ed stav m\u016f\u017ee b\u00fdt velmi odli\u0161n\u00fd. SEI, z\u00e1soby sod\u00edku, rozhran\u00ed elektrod, chov\u00e1n\u00ed plyn\u016f, samovyb\u00edjen\u00ed a r\u016fst impedance - to v\u0161e z\u00e1vis\u00ed na tom, jak se baterie dostala na 0 V, jak dlouho tam z\u016fstala, na teplot\u011b skladov\u00e1n\u00ed a na zp\u016fsobu obnovy.<\/p><p class=\"wp-block-paragraph\">Spr\u00e1vn\u00e1 ot\u00e1zka tedy zn\u00ed nejen&nbsp;<strong>\"M\u016f\u017ee dos\u00e1hnout 0 V?\"<\/strong>&nbsp;Lep\u0161\u00ed ot\u00e1zka zn\u00ed:&nbsp;<strong>\"Jak dlouho z\u016fstal na 0 V, p\u0159i jak\u00e9 teplot\u011b a jak\u00e1 kapacita a impedance se pot\u00e9 obnovila?\"<\/strong><\/p><h2 class=\"wp-block-heading\">Pro\u010d se \u010dasto uv\u00e1d\u00ed, \u017ee sod\u00edkov\u00e9 baterie jsou tolerantn\u011bj\u0161\u00ed k nap\u011bt\u00ed 0 V ne\u017e lithium-iontov\u00e9 baterie?<\/h2><p class=\"wp-block-paragraph\">D\u016fvod je skute\u010dn\u00fd a je to jedna z atraktivn\u00edch komer\u010dn\u00edch vlastnost\u00ed sod\u00edkov\u00fdch iont\u016f.<\/p><p class=\"wp-block-paragraph\">U mnoha lithium-iontov\u00fdch \u010dl\u00e1nk\u016f m\u016f\u017ee hlubok\u00e9 nadm\u011brn\u00e9 vybit\u00ed zv\u00fd\u0161it potenci\u00e1l z\u00e1porn\u00e9 elektrody natolik, \u017ee dojde k oxidaci a rozpu\u0161t\u011bn\u00ed m\u011bd\u011bn\u00e9ho sb\u011bra\u010de proudu. B\u011bhem dob\u00edjen\u00ed se rozpu\u0161t\u011bn\u00e1 m\u011b\u010f m\u016f\u017ee znovu usadit a zv\u00fd\u0161it riziko vnit\u0159n\u00edho zkratu. To je jeden z d\u016fvod\u016f, pro\u010d je siln\u00e9 nadm\u011brn\u00e9 vyb\u00edjen\u00ed v mnoha lithium-iontov\u00fdch syst\u00e9mech pova\u017eov\u00e1no za nebezpe\u010dn\u00e9.<\/p><p class=\"wp-block-paragraph\">Sod\u00edkov\u00e9 \u010dl\u00e1nky se \u010dasto mohou vyhnout t\u00e9to specifick\u00e9 cest\u011b poruchy, proto\u017ee mnoho konstrukc\u00ed pou\u017e\u00edv\u00e1 hlin\u00edkov\u00e9 sb\u011bra\u010de proudu, kter\u00e9 jsou stabiln\u011bj\u0161\u00ed v podm\u00ednk\u00e1ch nulov\u00e9ho nap\u011bt\u00ed. To pom\u00e1h\u00e1 vysv\u011btlit, pro\u010d se o sod\u00edkovo-iontov\u00fdch \u010dl\u00e1nc\u00edch hojn\u011b diskutuje v souvislosti s p\u0159epravou p\u0159i nap\u011bt\u00ed 0 V, bezpe\u010dn\u011bj\u0161\u00ed manipulac\u00ed, za\u0159\u00edzen\u00edmi s dlouhou dobou ne\u010dinnosti a aplikacemi odoln\u00fdmi v\u016f\u010di hlubok\u00e9mu vybit\u00ed.<\/p><p class=\"wp-block-paragraph\">Formulace v\u0161ak mus\u00ed b\u00fdt p\u0159esn\u00e1.<\/p><p class=\"wp-block-paragraph\">Sod\u00edkov\u00e9 ionty se vyh\u00fdbaj\u00ed&nbsp;<strong>jedna z hlavn\u00edch cest selh\u00e1n\u00ed lithium-iontov\u00fdch bateri\u00ed<\/strong>. Nevyh\u00fdb\u00e1 se v\u0161em degrada\u010dn\u00edm proces\u016fm zp\u016fsoben\u00fdm hlubok\u00fdm vyb\u00edjen\u00edm nebo dlouhodob\u00fdm skladov\u00e1n\u00edm. Bezpe\u010dn\u011bj\u0161\u00ed p\u0159i 0V neznamen\u00e1 nezm\u011bn\u011bn\u00fd p\u0159i 0V. Neznamen\u00e1 to tak\u00e9, \u017ee se ka\u017ed\u00e1 chemie sod\u00edkov\u00fdch iont\u016f chov\u00e1 stejn\u011b.<\/p><h2 class=\"wp-block-heading\">Pro\u010d m\u016f\u017ee dlouhodob\u00e9 skladov\u00e1n\u00ed 0 V st\u00e1le sni\u017eovat kapacitu?<\/h2><p class=\"wp-block-paragraph\">Riziko se toti\u017e neomezuje pouze na selh\u00e1n\u00ed proudov\u00e9ho sb\u011bra\u010de.<\/p><p class=\"wp-block-paragraph\">Pokud je sod\u00edkov\u00fd \u010dl\u00e1nek p\u0159i nap\u011bt\u00ed 0 V, m\u016f\u017ee doj\u00edt k nestabilit\u011b vnit\u0159n\u00edch rozhran\u00ed. SEI se m\u016f\u017ee \u010d\u00e1ste\u010dn\u011b rozpustit nebo degradovat. P\u0159i nab\u00edjen\u00ed \u010dl\u00e1nku se m\u016f\u017ee st\u00e1t, \u017ee se SEI bude muset obnovit, \u010d\u00edm\u017e se spot\u0159ebuje aktivn\u00ed sod\u00edk a zv\u00fd\u0161\u00ed se impedance. V z\u00e1vislosti na chemick\u00e9m slo\u017een\u00ed a elektrolytu m\u016f\u017ee po hlubok\u00e9m vybit\u00ed doj\u00edt k nestabilit\u011b tak\u00e9 na stran\u011b kladn\u00e9 elektrody.<\/p><p class=\"wp-block-paragraph\">V\u00fdsledkem m\u016f\u017ee b\u00fdt:<\/p><ul class=\"wp-block-list\"><li>ni\u017e\u0161\u00ed vyu\u017eiteln\u00e1 kapacita<\/li>\n\n<li>vy\u0161\u0161\u00ed DCIR nebo ACIR<\/li>\n\n<li>ni\u017e\u0161\u00ed v\u00fdkon<\/li>\n\n<li>slab\u0161\u00ed v\u00fdkon p\u0159i n\u00edzk\u00fdch teplot\u00e1ch<\/li>\n\n<li>rychlej\u0161\u00ed degradace v pozd\u011bj\u0161\u00edm cyklu<\/li>\n\n<li>zv\u00fd\u0161en\u00e9 samovyb\u00edjen\u00ed<\/li>\n\n<li>bobtn\u00e1n\u00ed nebo tvorba plynu ve \u0161patn\u00fdch p\u0159\u00edpadech<\/li><\/ul><p class=\"wp-block-paragraph\">Pro in\u017een\u00fdrsk\u00e9 t\u00fdmy nen\u00ed kl\u00ed\u010dovou ot\u00e1zkou pouze to, zda lze baterii znovu zapnout. D\u016fle\u017eit\u011bj\u0161\u00ed ot\u00e1zkou je, zda i po obnov\u011b spl\u0148uje po\u017eadavky na n\u00e1vrat do provozu.<\/p><p class=\"wp-block-paragraph\">Baterie, kter\u00e1 se dob\u00edj\u00ed po 0 V, m\u016f\u017ee p\u0159esto nevyhov\u011bt kontrole kapacity, vnit\u0159n\u00edho odporu, samovyb\u00edjen\u00ed nebo po\u017eadavku na budouc\u00ed \u017eivotnost cyklu.<\/p><h2 class=\"wp-block-heading\">Reaguj\u00ed v\u0161echny sod\u00edkov\u00e9 baterie na skladov\u00e1n\u00ed p\u0159i nap\u011bt\u00ed 0 V stejn\u011b?<\/h2><p class=\"wp-block-paragraph\">Ne. To je jeden z nejd\u016fle\u017eit\u011bj\u0161\u00edch bod\u016f.<\/p><p class=\"wp-block-paragraph\">\"Sodium-iontov\u00e1 baterie\" nen\u00ed jedin\u00e1 konstrukce. Z\u00e1le\u017e\u00ed na chemii. Z\u00e1le\u017e\u00ed na elektrolytu. Z\u00e1le\u017e\u00ed na materi\u00e1lu anody. Z\u00e1le\u017e\u00ed na chemick\u00e9m slo\u017een\u00ed kladn\u00e9 elektrody. Z\u00e1le\u017e\u00ed na form\u00e1tu \u010dl\u00e1nku, konstrukci sb\u011bra\u010de proudu, separ\u00e1toru, procesu tvorby, teplot\u011b skladov\u00e1n\u00ed a proudu obnovy.<\/p><p class=\"wp-block-paragraph\">N\u011bkter\u00e9 sod\u00edkov\u00e9 ionty vykazovaly po definovan\u00fdch testech klidov\u00e9ho stavu 0 V pouze malou ztr\u00e1tu kapacity. N\u011bkter\u00e9 nevykazovaly t\u00e9m\u011b\u0159 \u017e\u00e1dnou m\u011b\u0159itelnou ztr\u00e1tu kapacity podle specifick\u00fdch protokol\u016f. Jin\u00e9 \u010dl\u00e1nky vykazovaly zv\u00fd\u0161en\u00fd odpor nebo slab\u0161\u00ed cyklov\u00e1n\u00ed po \u00fapln\u00e9m vybit\u00ed p\u0159i skladov\u00e1n\u00ed.<\/p><p class=\"wp-block-paragraph\">Komer\u010dn\u00ed sod\u00edkov\u00e9 ionty se tak\u00e9 li\u0161\u00ed. N\u011bkter\u00e9 platformy mohou zvl\u00e1dat opakovan\u00e9 ud\u00e1losti s nap\u011bt\u00edm 0 V l\u00e9pe ne\u017e jin\u00e9, zat\u00edmco n\u011bkter\u00e9 mohou optimalizovat n\u00e1klady, hustotu energie, chov\u00e1n\u00ed p\u0159i n\u00edzk\u00fdch teplot\u00e1ch nebo \u017eivotnost cyklu.<\/p><p class=\"wp-block-paragraph\">To znamen\u00e1, \u017ee tvrzen\u00ed dodavatele o 0 V m\u00e1 v\u00fdznam pouze tehdy, pokud obsahuje:<\/p><ul class=\"wp-block-list\"><li>chemie nebo bun\u011b\u010dn\u00e1 platforma<\/li>\n\n<li>trv\u00e1n\u00ed p\u0159i 0V<\/li>\n\n<li>skladovac\u00ed teplota<\/li>\n\n<li>metoda obnovovac\u00edho proudu a nap\u011bt\u00ed<\/li>\n\n<li>obnoven\u00e1 kapacita<\/li>\n\n<li>zm\u011bna impedance<\/li>\n\n<li>\u00fadaje po obnovovac\u00edm cyklu<\/li>\n\n<li>otoky, net\u011bsnosti nebo bezpe\u010dnostn\u00ed p\u0159ipom\u00ednky.<\/li><\/ul><p class=\"wp-block-paragraph\">Bez t\u011bchto \u00fadaj\u016f je \u00fadaj \"0V stabiln\u00ed\" ne\u00fapln\u00fd.<\/p><h2 class=\"wp-block-heading\">Jak dlouho je p\u0159\u00edli\u0161 dlouh\u00e1 doba pro ponech\u00e1n\u00ed sod\u00edkov\u00e9 baterie p\u0159i nap\u011bt\u00ed 0 V?<\/h2><p class=\"wp-block-paragraph\">Neexistuje univerz\u00e1ln\u00ed \u010d\u00edslo, kter\u00e9 by platilo pro ka\u017edou sod\u00edkovou baterii.<\/p><p class=\"wp-block-paragraph\">N\u011bkolik hodin p\u0159i 0V po n\u00e1hodn\u00e9m p\u0159ebit\u00ed nen\u00ed tot\u00e9\u017e jako n\u011bkolik dn\u00ed. N\u011bkolik dn\u00ed nen\u00ed tot\u00e9\u017e co t\u00fddny nebo m\u011bs\u00edce. Laboratorn\u00ed test p\u0159i \u0159\u00edzen\u00e9 teplot\u011b nen\u00ed tot\u00e9\u017e jako skladov\u00e1n\u00ed ve skladu, p\u0159eprava v kontejnerech nebo sez\u00f3nn\u00ed skladov\u00e1n\u00ed za\u0159\u00edzen\u00ed.<\/p><p class=\"wp-block-paragraph\">V\u00fdsledek se m\u011bn\u00ed tak\u00e9 kv\u016fli teplot\u011b. Baterie skladovan\u00e1 p\u0159i nap\u011bt\u00ed 0 V v kontrolovan\u00fdch podm\u00ednk\u00e1ch se m\u016f\u017ee chovat jinak ne\u017e baterie ponechan\u00e1 v hork\u00fdch logistick\u00fdch podm\u00ednk\u00e1ch, v mraziv\u00e9m venkovn\u00edm za\u0159\u00edzen\u00ed nebo ve vlhk\u00e9m skladu. Vy\u0161\u0161\u00ed teplota m\u016f\u017ee urychlit vedlej\u0161\u00ed reakce. Chladn\u00e9 podm\u00ednky mohou zm\u011bnit chov\u00e1n\u00ed p\u0159i zotaven\u00ed a limity nab\u00edjen\u00ed.<\/p><p class=\"wp-block-paragraph\">Z tohoto d\u016fvodu by odpov\u011bdn\u00ed dodavatel\u00e9 nem\u011bli jednodu\u0161e tvrdit, \u017ee \"skladov\u00e1n\u00ed p\u0159i nap\u011bt\u00ed 0 V je bezpe\u010dn\u00e9\". M\u011bli by uv\u00e9st ov\u011b\u0159enou dobu trv\u00e1n\u00ed, teplotn\u00ed rozsah, metodu obnovy a v\u00fdkon po obnov\u011b.<\/p><p class=\"wp-block-paragraph\">Praktick\u00e9 pravidlo pro kupuj\u00edc\u00ed je n\u00e1sleduj\u00edc\u00ed:<\/p><p class=\"wp-block-paragraph\"><strong>Kr\u00e1tkou toleranci 0 V pova\u017eujte za bezpe\u010dnostn\u00ed v\u00fdhodu a v\u00fdhodu obnovy. Dlouhodob\u00e9 uchov\u00e1v\u00e1n\u00ed 0V pova\u017eujte za ot\u00e1zku v\u00fdkonu, kter\u00e1 vy\u017eaduje \u00fadaje dodavatele.<\/strong><\/p><h2 class=\"wp-block-heading\">M\u016f\u017ee se sod\u00edkovo-iontov\u00e1 baterie po dlouhodob\u00e9m skladov\u00e1n\u00ed s nap\u011bt\u00edm 0 V pln\u011b zotavit?<\/h2><p class=\"wp-block-paragraph\">N\u011bkdy ano, n\u011bkdy jen \u010d\u00e1ste\u010dn\u011b.<\/p><p class=\"wp-block-paragraph\">Existuj\u00ed povzbudiv\u00e9 p\u0159\u00edklady, kter\u00e9 ukazuj\u00ed, \u017ee n\u011bkter\u00e9 sod\u00edkov\u00e9 ionty se mohou dob\u0159e zotavit po provozu s nulov\u00fdm nap\u011bt\u00edm, s omezenou zm\u011bnou kapacity nebo odporu za definovan\u00fdch zku\u0161ebn\u00edch podm\u00ednek. To je jeden z d\u016fvod\u016f, pro\u010d jsou sod\u00edkov\u00e9 ionty komer\u010dn\u011b zaj\u00edmav\u00e9 pro dopravu, skladov\u00e1n\u00ed, z\u00e1lo\u017en\u00ed nap\u00e1jen\u00ed a za\u0159\u00edzen\u00ed s dlouhou dobou ne\u010dinnosti.<\/p><p class=\"wp-block-paragraph\">Tyto v\u00fdsledky by se v\u0161ak nem\u011bly zobec\u0148ovat na cel\u00fd trh.<\/p><p class=\"wp-block-paragraph\">V\u00fdsledek z jednoho \u010dl\u00e1nku, jednoho chemick\u00e9ho slo\u017een\u00ed, jedn\u00e9 doby skladov\u00e1n\u00ed, jedn\u00e9 teploty a jednoho protokolu obnovy nedokazuje, \u017ee v\u0161echny sod\u00edkov\u00e9 baterie mohou b\u00fdt p\u0159i 0 V po dobu n\u011bkolika m\u011bs\u00edc\u016f bez ztr\u00e1ty kapacity. Jin\u00e9 studie a komer\u010dn\u00ed testy ukazuj\u00ed, \u017ee n\u011bkter\u00e9 sod\u00edkovo-iontov\u00e9 \u010dl\u00e1nky se mohou vr\u00e1tit s vy\u0161\u0161\u00edm odporem, ni\u017e\u0161\u00ed kapacitou nebo slab\u0161\u00edm cyklov\u00e1n\u00edm po uskladn\u011bn\u00ed.<\/p><p class=\"wp-block-paragraph\">Spr\u00e1vn\u00fd z\u00e1v\u011br nen\u00ed \"0V nezp\u016fsobuje \u017e\u00e1dn\u00e9 po\u0161kozen\u00ed\". Stejn\u011b tak nen\u00ed \"0V v\u017edy zni\u010d\u00ed \u010dl\u00e1nek\".<\/p><p class=\"wp-block-paragraph\">Spr\u00e1vn\u00fd z\u00e1v\u011br je:<\/p><p class=\"wp-block-paragraph\"><strong>Obnova je mo\u017en\u00e1, \u010dasto bezpe\u010dn\u011bj\u0161\u00ed ne\u017e u b\u011b\u017en\u00fdch lithium-iontov\u00fdch syst\u00e9m\u016f, ale st\u00e1le podm\u00edn\u011bn\u00e1, z\u00e1visl\u00e1 na chemii a v\u00fdkonu.<\/strong><\/p><h2 class=\"wp-block-heading\">Na co by se m\u011bli kupuj\u00edc\u00ed pt\u00e1t dodavatel\u016f ohledn\u011b tvrzen\u00ed o skladov\u00e1n\u00ed 0V?<\/h2><p class=\"wp-block-paragraph\">Kupuj\u00edc\u00ed by m\u011bli po\u017eadovat \u00fadaje o obnov\u011b, nikoli pouze jazyk pro p\u0159e\u017eit\u00ed.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ot\u00e1zka<\/th><th>Pro\u010d na tom z\u00e1le\u017e\u00ed<\/th><\/tr><\/thead><tbody><tr><td>Co znamen\u00e1 va\u0161e tvrzen\u00ed 0V?<\/td><td>Kr\u00e1tk\u00e1 ud\u00e1lost s nap\u011bt\u00edm 0V, p\u0159eprava p\u0159i nap\u011bt\u00ed 0V, opakovan\u00e9 cyklov\u00e1n\u00ed p\u0159i nap\u011bt\u00ed 0V a dlouhodob\u00e9 skladov\u00e1n\u00ed p\u0159i nap\u011bt\u00ed 0V se li\u0161\u00ed.<\/td><\/tr><tr><td>Jak\u00e9 chemick\u00e9 slo\u017een\u00ed a elektrolyt byly testov\u00e1ny?<\/td><td>Chov\u00e1n\u00ed p\u0159i 0 V je z\u00e1visl\u00e9 na chemick\u00e9m slo\u017een\u00ed.<\/td><\/tr><tr><td>Jak dlouho byl \u010dl\u00e1nek nebo bal\u00ed\u010dek udr\u017eov\u00e1n p\u0159i nap\u011bt\u00ed 0 V?<\/td><td>D\u00e9lka trv\u00e1n\u00ed siln\u011b ovliv\u0148uje riziko degradace.<\/td><\/tr><tr><td>P\u0159i jak\u00e9 teplot\u011b byl skladov\u00e1n?<\/td><td>Teplota m\u011bn\u00ed reak\u010dn\u00ed rychlost a chov\u00e1n\u00ed p\u0159i obnov\u011b.<\/td><\/tr><tr><td>Jak\u00e1 metoda obnovovac\u00edho proudu a nap\u011bt\u00ed byla pou\u017eita?<\/td><td>Agresivn\u00ed zotaven\u00ed m\u016f\u017ee zp\u016fsobit dal\u0161\u00ed stres.<\/td><\/tr><tr><td>Jak\u00e1 kapacita byla obnovena?<\/td><td>Obnoven\u00ed bezpe\u010dnosti neprokazuje \u00fapln\u00e9 obnoven\u00ed v\u00fdkonu.<\/td><\/tr><tr><td>Jak se zm\u011bnil DCIR nebo ACIR?<\/td><td>N\u00e1r\u016fst odporu ovliv\u0148uje v\u00fdkon a teplo.<\/td><\/tr><tr><td>Byla testov\u00e1na cyklistika po zotaven\u00ed?<\/td><td>Kr\u00e1tk\u00e9 zotaven\u00ed nen\u00ed d\u016fkazem dlouhodob\u00e9 trvanlivosti.<\/td><\/tr><tr><td>Bylo zkontrolov\u00e1no bobtn\u00e1n\u00ed, net\u011bsnost nebo tvorba plynu?<\/td><td>Fyzick\u00e1 stabilita je d\u016fle\u017eit\u00e1 pro rozhodnut\u00ed o n\u00e1vratu do slu\u017eby.<\/td><\/tr><tr><td>Bylo to testov\u00e1no na \u00farovni bun\u011bk nebo na \u00farovni balen\u00ed?<\/td><td>Chov\u00e1n\u00ed na \u00farovni balen\u00ed z\u00e1vis\u00ed tak\u00e9 na BMS, nevyv\u00e1\u017eenosti a parazitn\u00edm odb\u011bru.<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"wp-block-paragraph\">U sod\u00edkov\u00fdch iontov\u00fdch produkt\u016f by se kupuj\u00edc\u00ed m\u011bli zaj\u00edmat tak\u00e9 o chov\u00e1n\u00ed BMS p\u0159i vyp\u00edn\u00e1n\u00ed, proud v re\u017eimu sp\u00e1nku, parazitn\u00ed odtok, riziko nevyv\u00e1\u017eenosti \u010dl\u00e1nk\u016f, limity zotavovac\u00edho proudu a krit\u00e9ria rekvalifikace po ud\u00e1losti 0V.<\/p><p class=\"wp-block-paragraph\">Dobr\u00e1 odpov\u011b\u010f dodavatele by m\u011bla obsahovat v\u00edce ne\u017e jen \"baterii lze dob\u00edjet\". M\u011bla by uk\u00e1zat, zda baterie st\u00e1le proch\u00e1z\u00ed z\u00e1kladn\u00edm screeningem n\u00e1vratu do provozu: kapacita, vnit\u0159n\u00ed odpor, samovyb\u00edjen\u00ed, obnova nap\u011bt\u00ed, chov\u00e1n\u00ed p\u0159i teplot\u011b a viditeln\u00e1 stabilita.<\/p><h2 class=\"wp-block-heading\">Jak\u00fd je nejlep\u0161\u00ed postup ukl\u00e1d\u00e1n\u00ed, pokud chcete chr\u00e1nit kapacitu?<\/h2><p class=\"wp-block-paragraph\">Nepova\u017eujte nap\u011bt\u00ed 0 V za v\u00fdchoz\u00ed c\u00edl pro ukl\u00e1d\u00e1n\u00ed jen proto, \u017ee ho sod\u00edkov\u00e9 ionty sn\u00e1\u0161ej\u00ed l\u00e9pe ne\u017e lithiov\u00e9.<\/p><p class=\"wp-block-paragraph\">Sod\u00edkov\u00e1 baterie m\u016f\u017ee p\u0159e\u017e\u00edt 0 V, ale to neznamen\u00e1, \u017ee 0 V je nejlep\u0161\u00ed stav pro zachov\u00e1n\u00ed dlouhodob\u00e9ho v\u00fdkonu. Pokud je c\u00edlem maxim\u00e1ln\u00ed obnoviteln\u00e1 kapacita a co nejni\u017e\u0161\u00ed riziko degradace, m\u011bli by kupuj\u00edc\u00ed dodr\u017eovat dodavatelem doporu\u010den\u00e9 hodnoty SOC, skladovac\u00edho nap\u011bt\u00ed, teplotn\u00edho rozsahu, intervalu kontrol a z\u00e1sad dob\u00edjen\u00ed.<\/p><p class=\"wp-block-paragraph\">Pro v\u00fdrobce a distributory je to tak\u00e9 ot\u00e1zka z\u00e1ruky a kontroly z\u00e1sob. Pokud mohou baterie dlouhodob\u011b le\u017eet na sklad\u011b, v p\u0159epravn\u00edch, z\u00e1lo\u017en\u00edch sk\u0159\u00edn\u00edch, sez\u00f3nn\u00edch stroj\u00edch nebo vzd\u00e1len\u00fdch za\u0159\u00edzen\u00edch, m\u011bla by pravidla skladov\u00e1n\u00ed vych\u00e1zet z ov\u011b\u0159en\u00fdch \u00fadaj\u016f o obnov\u011b.<\/p><p class=\"wp-block-paragraph\">Siln\u011bj\u0161\u00ed a bezpe\u010dn\u011bj\u0161\u00ed poselstv\u00ed je toto:<\/p><p class=\"wp-block-paragraph\">Sod\u00edk-iontov\u00e9 akumul\u00e1tory mohou v n\u011bkter\u00fdch chemi\u00edch a aplikac\u00edch nab\u00eddnout u\u017eite\u010dnou bezpe\u010dnostn\u00ed a logistickou v\u00fdhodu 0V, ale st\u00e1le z\u00e1le\u017e\u00ed na dobr\u00e9 skladovac\u00ed discipl\u00edn\u011b.<\/p><h2 class=\"wp-block-heading\">Kde je tolerance 0V komer\u010dn\u011b u\u017eite\u010dn\u00e1<\/h2><p class=\"wp-block-paragraph\">Tolerance 0V m\u016f\u017ee b\u00fdt cenn\u00e1, pokud je spr\u00e1vn\u011b pou\u017eita.<\/p><figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Aplikace<\/th><th>Pro\u010d pom\u00e1h\u00e1 tolerance 0V<\/th><\/tr><\/thead><tbody><tr><td>Doprava a logistika<\/td><td>Ni\u017e\u0161\u00ed ulo\u017een\u00e1 energie m\u016f\u017ee zlep\u0161it manipulaci a sn\u00ed\u017eit riziko podle stanoven\u00fdch pravidel.<\/td><\/tr><tr><td>Z\u00e1lo\u017en\u00ed nap\u00e1jen\u00ed<\/td><td>Dlouh\u00e1 doba ne\u010dinnosti p\u0159edstavuje riziko hlubok\u00e9ho vybit\u00ed, pokud nen\u00ed kontrolov\u00e1no zat\u00ed\u017een\u00ed syst\u00e9mu.<\/td><\/tr><tr><td>Pr\u016fmyslov\u00e1 za\u0159\u00edzen\u00ed<\/td><td>Stroje mohou b\u00fdt mezi provozn\u00edmi sez\u00f3nami nepou\u017e\u00edvan\u00e9 i n\u011bkolik m\u011bs\u00edc\u016f.<\/td><\/tr><tr><td>Syst\u00e9my d\u00e1lkov\u00e9ho monitorov\u00e1n\u00ed<\/td><td>P\u0159\u00edstup k \u00fadr\u017eb\u011b je omezen\u00fd, tak\u017ee z\u00e1le\u017e\u00ed na chov\u00e1n\u00ed p\u0159i obnov\u011b.<\/td><\/tr><tr><td>Z\u00e1soby OEM<\/td><td>P\u0159ed instalac\u00ed mohou baterie z\u016fstat ve skladu.<\/td><\/tr><tr><td>Pron\u00e1jem nebo sez\u00f3nn\u00ed produkty<\/td><td>U\u017eivatel\u00e9 mohou zanedbat nab\u00edjen\u00ed mezi jednotliv\u00fdmi pou\u017eit\u00edmi.<\/td><\/tr><\/tbody><\/table><\/figure><p class=\"wp-block-paragraph\">Tyto v\u00fdhody je v\u0161ak t\u0159eba pova\u017eovat za konstruk\u010dn\u00ed v\u00fdhody, nikoli za v\u00fdmluvy pro nedbal\u00e9 skladov\u00e1n\u00ed. Ve v\u0161ech p\u0159\u00edpadech je st\u00e1le d\u016fle\u017eit\u00e1 ochrana na \u00farovni balen\u00ed, kontrola parazitn\u00edho zat\u00ed\u017een\u00ed, postup obnovy a pravidla kontroly.<\/p><h2 class=\"wp-block-heading\">Co je t\u0159eba zkontrolovat po ud\u00e1losti 0V?<\/h2><p class=\"wp-block-paragraph\">Pokud byla sod\u00edko-iontov\u00e1 baterie skladov\u00e1na p\u0159i nap\u011bt\u00ed 0 V nebo byla obnovena po hlubok\u00e9m vybit\u00ed, neposuzujte ji pouze podle toho, zda se zapne.<\/p><p class=\"wp-block-paragraph\">Z\u00e1kladn\u00ed kontrola n\u00e1vratu do provozu by m\u011bla zahrnovat:<\/p><ul class=\"wp-block-list\"><li>obnoven\u00e1 kapacita<\/li>\n\n<li>stabilita nap\u011bt\u00ed napr\u00e1zdno<\/li>\n\n<li>Zm\u011bna DCIR nebo ACIR<\/li>\n\n<li>abnorm\u00e1ln\u00ed samovyb\u00edjen\u00ed<\/li>\n\n<li>p\u0159ijet\u00ed n\u00e1kladu<\/li>\n\n<li>n\u00e1r\u016fst teploty b\u011bhem nab\u00edjen\u00ed a vyb\u00edjen\u00ed<\/li>\n\n<li>viditeln\u00fd otok, \u00fanik nebo odv\u011btr\u00e1v\u00e1n\u00ed.<\/li>\n\n<li>Alarmy BMS nebo historie ochrany<\/li>\n\n<li>vyv\u00e1\u017een\u00ed \u010dl\u00e1nk\u016f v s\u00e9riov\u00fdch balen\u00edch<\/li>\n\n<li>kr\u00e1tk\u00fd cyklick\u00fd test po obnov\u011b, pokud je aplikace kritick\u00e1.<\/li><\/ul><p class=\"wp-block-paragraph\">Pro vysoce hodnotn\u00e9 aplikace OEM, z\u00e1lo\u017en\u00ed nap\u00e1jen\u00ed nebo pr\u016fmyslov\u00e9 aplikace je tato kontrola d\u016fle\u017eit\u00e1. Pom\u00e1h\u00e1 odd\u011blit \"obnoviteln\u00e9\" od \"st\u00e1le vhodn\u00e9 k provozu\".<\/p><h2 class=\"wp-block-heading\">Z\u00e1v\u011br<\/h2><p class=\"wp-block-paragraph\">Tak\u017ee, zda <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/sodium-ion-battery-manufacturers\/\" target=\"_blank\" rel=\"noreferrer noopener\">sod\u00edkovo-iontov\u00e1 baterie<\/a><\/strong> ztrat\u00ed kapacitu, pokud jsou dlouhodob\u011b skladov\u00e1ny p\u0159i 0 V?\u00a0<strong>Mohou.<\/strong> Sodium-iontov\u00e9 akumul\u00e1tory maj\u00ed lep\u0161\u00ed toleranci 0 V ne\u017e lithium-iontov\u00e9, proto\u017ee mnoho konstrukc\u00ed se vyh\u00fdb\u00e1 rozpou\u0161t\u011bn\u00ed m\u011bd\u011bn\u00fdch sb\u011bra\u010d\u016f proudu. Dlouhodob\u00e9 skladov\u00e1n\u00ed p\u0159i 0 V v\u0161ak m\u016f\u017ee st\u00e1le zvy\u0161ovat odpor, sni\u017eovat obnovenou kapacitu a oslabovat pozd\u011bj\u0161\u00ed cyklov\u00e1n\u00ed.<\/p><p class=\"wp-block-paragraph\">Kl\u00ed\u010dovou ot\u00e1zkou nen\u00ed \"M\u016f\u017ee dos\u00e1hnout 0V?\", ale\u00a0<strong>\"Co se d\u011bje po uskladn\u011bn\u00ed, za jak\u00fdch podm\u00ednek a s jak\u00fdm d\u016fkazem?\"<\/strong> Pokud v\u00e1\u0161 projekt zahrnuje dlouh\u00e9 skladov\u00e1n\u00ed, riziko hlubok\u00e9ho vybit\u00ed nebo p\u0159epravu s nulov\u00fdm nap\u011bt\u00edm, <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/contact-us\/\" target=\"_blank\" rel=\"noreferrer noopener\">kontaktujte n\u00e1s<\/a><\/strong> s podm\u00ednkami skladov\u00e1n\u00ed a po\u017eadavky na obnovu. Pom\u016f\u017eeme v\u00e1m vyhodnotit spr\u00e1vn\u00fd <strong><a href=\"https:\/\/www.kmdpower.com\/cs\/sodium-ion-battery-manufacturers\/\" target=\"_blank\" rel=\"noreferrer noopener\">konstrukce sod\u00edko-iontov\u00e9 baterie<\/a><\/strong>.<\/p><p class=\"wp-block-paragraph\"><\/p>","protected":false},"excerpt":{"rendered":"<p>Ztr\u00e1c\u00ed sod\u00edkov\u00e9 baterie kapacitu p\u0159i dlouhodob\u00e9m skladov\u00e1n\u00ed p\u0159i nap\u011bt\u00ed 0 V? Sod\u00edkovo-iontov\u00e1 baterie s nap\u011bt\u00edm 0 V vyvol\u00e1v\u00e1 u mnoha kupuj\u00edc\u00edch obavy z jednoduch\u00e9ho d\u016fvodu: u lithium-iontov\u00fdch syst\u00e9m\u016f m\u016f\u017ee hlubok\u00e9 nadm\u011brn\u00e9 vybit\u00ed znamenat bezpe\u010dnostn\u00ed riziko, trval\u00e9 po\u0161kozen\u00ed nebo oboj\u00ed. Sodium-iontov\u00e1 baterie tuto diskusi m\u011bn\u00ed, ale riziko neodstra\u0148uje. Nejp\u0159esn\u011bj\u0161\u00ed odpov\u011bd\u00ed je...<\/p>","protected":false},"author":1,"featured_media":1180,"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-5217","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\/5217","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=5217"}],"version-history":[{"count":2,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/5217\/revisions"}],"predecessor-version":[{"id":5219,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/posts\/5217\/revisions\/5219"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media\/1180"}],"wp:attachment":[{"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/media?parent=5217"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/categories?post=5217"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kmdpower.com\/cs\/wp-json\/wp\/v2\/tags?post=5217"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}