{"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\/da\/blog\/dlya-vyrabotki-elektrichestva-po-nocham-predlozheny-antisolnechnye-batarei","title":{"rendered":"Til produktion af elektricitet om natten er der foresl\u00e5et \"anti-sol\"-batterier.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Selv om vi gerne vil skifte til vedvarende energikilder, har de alle deres ulemper. Solpaneler fungerer for eksempel kun i dagslys. Om natten st\u00e5r de stille, mens energien hentes fra de dagligt opladede batterier. Forskere har udviklet termoradiative paneler, der kan overvinde denne begr\u00e6nsning.<\/p>\n

\"Til<\/p>\n

Som internetressourcen ExtremeTech<\/a><\/noindex>, forskere fra University of California Davis har foresl\u00e5et konceptet med «anti-solar» paneler, der kan generere elektricitet ved at udstr\u00e5le varme, som panelerne selv har opbygget (infrar\u00f8d str\u00e5ling). Da infrar\u00f8d str\u00e5ling har lavere energi end synligt lys, vil «anti-solar» paneler kunne producere op til ca. 25 % af den elektricitet, som almindelige solpaneler af samme st\u00f8rrelse kan generere. Men det er jo bedre end ingenting?<\/p>\n

Termoradiative paneler genererer ikke elektricitet p\u00e5 samme m\u00e5de som solpaneler. I almindelige paneler tr\u00e6nger synligt lys i form af fotoner ind i halvlederen i solcellen og overf\u00f8rer sin energi i interaktionen med materialet. De<\/a><\/noindex>overf\u00f8rer energien. De foresl\u00e5ede termoradiative elementer fungerer p\u00e5 lignende m\u00e5de, men bruger energien fra infrar\u00f8d str\u00e5ling. Fysikken er den samme, men materialerne i elementerne skal v\u00e6re forskellige, som forskerne har udtalt i den relevante artikel i tidsskriftet ACS Photonics<\/a><\/noindex>.<\/p>\n

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

Sp\u00f8rgsm\u00e5let om, hvordan det termoradiative element fungerer om dagen, forbliver \u00e5bent, selvom der ogs\u00e5 kan skabes betingelser for dets drift om dagen. Om natten udsender det termoradiative element, som er blevet opvarmet i l\u00f8bet af dagen, aktivt den akkumulerede varme til det koldere \u00e5bne rum. I processen med infrar\u00f8d str\u00e5ling omdannes energien fra de udsendte partikler i det termoradiative materiales til elektrisk energi. I princippet kan denne omformer begynde at fungere, s\u00e5 snart omgivelsernes temperatur falder under dets opvarmningspunkt.<\/p>\n

I \u00f8jeblikket er forskere ikke klar til at vise en prototype af termoradiative elementer og er kun ved at n\u00e6rme sig deres skabelse. Der er heller ingen oplysninger om, hvilket materiale der vil v\u00e6re at foretr\u00e6kke til produktionen af termoradiative elementer. Artiklen omhandler den mulige brug af kviks\u00f8lvlegeringer, hvilket v\u00e6kker bekymring for sikkerheden. Samtidig ville det v\u00e6re fristende at f\u00e5 elementer, der kunne generere elektricitet ikke kun om dagen, men ogs\u00e5 om natten.<\/p>\n

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

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