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Ceallra

Ceallraí

Le blianta anois tá an-fhás tagtha ar an éileamh ar fhoinsí so-iompartha fuinnimh leictrigh. Na gléasanna leictreonacha so-iompartha — teileafóin, raidiónna, teilifíseáin, téipthaifeadáin, ceamaraí, téipcheamaraí is ríomhairí — níorbh ann dóibh gan ceallraí leictreacha. De ghnáth in aon cheallra mar seo, bíonn méid éigin de chealla leictreacha. Más cealla príomhúla iad, bíonn méid áirithe fuinnimh lonnaithe iontu, agus ídítear an fuinneamh sin le húsáid na cille. Agus an chill ídithe, ní bhíonn sí le hathúsáid arís. Is é seo a bhíonn sa gnáthbhataire since i gcomhair raidió sho-iompartha. Más cealla tánaisteacha atá sa bhataire, is féidir iad a athluchtú nuair a bhíonn a gcuid fuinnimh ídithe. Mar seo a bhíonn i mbataire luaidhe in-athluchtaithe an ghluaisteáin. Den chuid is mó is maith an bataire muna bhfolamhaíonn sé róthapa, is é sin má iompraíonn sé lucht mór fuinnimh leictrigh. De réir mar a théann an fuinneamh is féidir a luchtú sa cheallra i méid, téann a mheáchan i méid freisin. Más gléas so-iompartha atá i gceist, ní maith an scéal é sin. I gcás ceallra luaidhe, is féidir 260 aimpéar-uair in aghaidh an chileagraim (A-u kg-1) a stóráil ann. 820 A-u kg-1 is féidir a stóráil i mbataire since, agus suas le 3,860 A-u kg-1 sa cheallra litiam. I gcomparáid leis na gnáthbhatairí, is iontach an réiteach é an ceallra litiam chun an meáchan a choimeád íseal ach dóthain fuinnimh a bheith ar fáil mar sin féin.[1]

  1. Hussey, Matt (2011). "Bataire". Fréamh an Eolais. Coiscéim. p. 65.
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Ceallra
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