{"id":41286,"date":"2020-02-07T09:28:20","date_gmt":"2020-02-07T06:28:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/dlya-vyrabotki-elektrichestva-po-nocham-predlozheny-antisolnechnye-batarei"},"modified":"2020-02-07T09:28:20","modified_gmt":"2020-02-07T06:28:20","slug":"dlya-vyrabotki-elektrichestva-po-nocham-predlozheny-antisolnechnye-batarei","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/dlya-vyrabotki-elektrichestva-po-nocham-predlozheny-antisolnechnye-batarei","title":{"rendered":"Per la produzione di elettricit\u00e0 di notte sono state proposte batterie \u00abanti-solari\u00bb","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Per quanto ci piacerebbe passare a fonti di energia rinnovabile, tutte presentano vantaggi e svantaggi. I pannelli solari, ad esempio, funzionano solo durante il giorno. Di notte sono inattivi e l'energia viene prelevata dalle batterie caricate durante il giorno. Per superare questa limitazione, i ricercatori hanno concepito pannelli termoradiativi.<\/p>\n

\"Per<\/p>\n

Come suggerisce la risorsa internet ExtremeTech<\/a><\/noindex>, i ricercatori dell'Universit\u00e0 della California a Davis hanno proposto il concetto di pannelli «anti-solari» che possono generare elettricit\u00e0 mediante l'emissione di calore accumulato dai pannelli stessi (radiazione infrarossa). Poich\u00e9 la radiazione infrarossa ha meno energia rispetto a quella visibile, i pannelli «anti-solari» produrranno circa il 25 % dell'elettricit\u00e0 rispetto alle capacit\u00e0 di comuni pannelli solari della stessa superficie. Ma \u00e8 comunque meglio di niente?<\/p>\n

I pannelli termoradiativi generano elettricit\u00e0 in modo diverso rispetto ai pannelli solari. Nei pannelli normali, la luce visibile sotto forma di fotoni penetra nel semiconduttore della cella fotovoltaica e, interagendo con la materia trasmette la sua energia<\/a><\/noindex>. I moduli termoradiativi proposti dai ricercatori operano secondo un principio simile, dato che utilizzano l'energia della radiazione infrarossa. La fisica \u00e8 la stessa, ma i materiali utilizzati nei moduli devono essere diversi, come dichiarato dai ricercatori nell'articolo pubblicato nella rivista ACS Photonics<\/a><\/noindex>.<\/p>\n

<\/center><\/p>\n

La questione del funzionamento del modulo termoradiativo durante il giorno rimane aperta, sebbene condizioni per il suo funzionamento di giorno possano essere create. Di notte, il modulo termoradiativo riscaldato durante il giorno emette attivamente il calore accumulato nello spazio aperto pi\u00f9 freddo. Durante il processo di radiazione infrarossa nel materiale del modulo termoradiativo, l'energia delle particelle emesse si trasforma in energia elettrica. In linea di principio, tale convertitore pu\u00f2 iniziare a funzionare non appena la temperatura ambientale scende al di sotto del suo valore di riscaldamento.<\/p>\n

Attualmente, gli scienziati non sono pronti a mostrare un prototipo di elemento termoradiativo e si avvicinano solo alla sua creazione. Non ci sono nemmeno dati su quale materiale sar\u00e0 preferito per la produzione di elementi termoradiativi. L'articolo discute sull'uso possibile di leghe di mercurio, il che solleva preoccupazioni sulla sicurezza. Allo stesso tempo, sarebbe allettante ottenere elementi in grado di generare elettricit\u00e0 non solo di giorno, ma anche di notte.<\/p>\n

<\/p>\n

<\/center><\/p>\n

\t\t\t\t


\n\t\t\t\t\t\t\t\t<\/center>
Fonte: 3dnews.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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