100 секунд про солнечные батареи (+Видео)

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Интересное видео которое за 100 секунд постарается ввести вас в курс дела и рассказать об истории солнечных батарей.

 

 

 

Солнечные батареи в рулоне
Солнечные батареи в рулоне

 

Как Вы думаете, когда была начата история солнечной батареи? В 1839 году Эдмон Беккерель открыл фотогальванический эффект – преобразование энергии солнца в электричество. Примерно через 50 лет Чарльз Фриц выдвинул предположение, что такого эффекта можно достичь при помощи устройства из селена и золота с КПД менее 1%.

А реализовали технологию впервые только в 30-е годы ХХ столетия советские ученые. Американцев 1% КПД не устраивал, поэтому в 1954 году они изобрели кремниевую солнечную батарею, выдающую 6% КПД. Уже через 4 года солнечная энергия стала основным источником солнечной энергии в космических кораблях.

Тест украинских зарядных устройств на солнечных батареях
Тест украинских зарядных устройств на солнечных батареях

В 70-х годах КПД достигло 10%, однако о наземном использовании речи так и не шло, потому что стоимость изготовления солнечной батареи была очень велика. И лишь в 1989 году удалось добиться КПД в 30%.

Больше всего солнечные батареи используются в Германии – 36%. Там вырабатывается 1 ГВт электроэнергии ежегодно, за ней идут США и Испания. Батареи размещаются на крышах домов, заводов, а некоторые даже носят шапки с солнечными батареями, чтобы заряжать свои гаджеты. Samsung пошли дальше и выпустили первый в мире нетбук на солнечных батареях, время работы которого составляет около 15 часов. А мобильный телефон на солнечных батареях от Samsung сможет обеспечить 10 минут разговора за час зарядки от солнца.

 

 

Источник: ekopower.ru

 


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