Como hacer una celula fotovoltaica casera


Aqui tenemos un tutorial de como hacer vuestra propia celula fotovoltaica:
Materiales:
– Trozos cuadrados de cristal.

– Pasta de dióxido de titanio.

– Cualquier electrolíto (hidróxido de Potasio en agua, por ejemplo).

– Grafito en polvo (un lápiz de toda la vida, vamos).

– Clips metálicos.

Procedimiento:

1º- Poner la pasta de dióxido de titanio sobre los trozos de cristal, tal y como muestra la imagen:

2º- La pasta se extiende por todo el cristal dejando una fina capa (unos 10 micrómetros).

3º- La fina capa de dióxido de titanio se calienta y cambia de color al unirla con el electrolíto.

4º- Sobre el otro trozo de cristal aplicamos un poco de grafito obtenido de un lápiz.

5º- Con un clip, unimos los dos trozos de cristal haciendo que se provoque presión entre ellos.

6º- Una gota de electrolíto se está moviendo entre los cristales, la placa tiene vida!!!.

7º- Los paneles se conectan en serie como se puede ver en la imagen:

8º- Otra foto más esclarecedora, esta vez conectada a una calculadora con varias células:

Aqui esta en video:

6 Respuestas a “Como hacer una celula fotovoltaica casera

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  2. Me imagino que aquí existe una microelectrólisis y que el grafito actúa como electrodo positivo. Voy a invetigar su funcionamiento. No aparece el silicio. Soy Lic. en ciencias químicas y puedo hacerlo también usando otros reactivos. Este experimento es húmedo y cuando se evapore la humedad deja de pasar corriient.

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