Produrre energia pulita dagli scarichi domestici
Per produrre energia dagli scarichi domestici, alcuni scienziati coreani del KETI sono riusciti a realizzare un micro sistema che converte con efficienza il movimento dell’acqua in elettricita’
Produrre energia pulita dagli scarichi domestici. E’ questa, in sintesi, l’interessante soluzione proposta dalla Korea Electronics Technology Institute (KETI), dove alcuni scienziati sono riusciti a realizzare un innovativo micro sistema in grado di convertire con efficienza il movimento dell’acqua di scarico del bagno, in elettricità.
Per produrre energia pulita dagli scarichi domestici però, non è stato adottato alcun ‘micro’ sistema idroelettrico. Al contrario, il dispositivo realizzato dai ricercatori coreani è uno speciale ‘trasduttore capacitivo attivo’ installabile all’interno della cassetta di qualsiasi wc, grazie al quale è possibile sviluppare una carica elettrica all’interno dell’acqua corrente prodotta dagli scarichi domestici. Un trasduttore capacitivo attivo, per intenderci, è un dispositivo composto da diversi strati di materiali idrofobici e dielettrici avvolti intorno ad una trama di elettrodi trasparenti, che sfrutta ‘in ingresso’ la variazione della capacità dell’acqua presente (in questo caso) nella cassetta del wc, per produrre energia ‘in uscita’.
Per produrre energia pulita con questo sistema, gli scienziati del KETI hanno quindi testato le potenzialità del nuovo trasduttore, in grado di convertire il movimento meccanico di una semplice goccia d’acqua in elettricità, senza l’uso di fonti esterne di tensione e polarizzazione. Attualmente, il nuovo sistema di ‘recupero dell’energia‘ è ancora legato ad una fase di test sperimentali in laboratorio, in attesa di essere migliorato per produrre efficientemente elettricità dagli scarichi domestici. Per maggiori informazioni si può fare riferimento a questo sito.
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