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Emmagatzematge d’energia mitjançant Hidrogen
Josep Puig i Boix President del Consell Assessor d’EUROSOLAR
Escola d’Estiu SomEnergia, 20/9/2014
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El problema (?)
• La gran objecció que es fa a les energies renovables és que no són disponibles de forma continuada i que el seu emmagatzematge no és possible o és molt car.
• De fet, és impensable cap sistema energètic modern sense emmagatzematge. Sempre cal emmagatzemar quan les necessitats d’energia i la seva provisió no són simultanis.
• De fet, cada tipus de font d’energia requereix mètodes i tècniques d’emmagatzematge específics.
• L’emmagatzematge d’energia és l’element clau estratègic per l’aplicació general d’una font d’energia, i, per tant, és la clau de volta de les energies renovables.
Dr. Hermann Scheer, Discurs a l’obertura de la 1st International Renewable Energy Storage Conference (2006)
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L’energia per a què?
• A Europa, ús d’energia primària – 49%: proveïment de calor
– 31%: proveïment de motricitat
– 20%: proveïment d’electricitat
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Calor, electricitat i motricitat
• El problema:
– Disposem de calor quan no el necessitem (estiu)
– Necessitem calor quan no en disposem (hivern)
– Volem disposar d’electricitat i de motricitat a qualsevol moment, independentment de les condicions climàtiques del moment
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Electricitat
• Emmagatzemar electricitat?
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Emmagatzematge d’electricitat
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Sistemes d’emmagatzematge
• Classificació i alternatives
– Emmagatzematge d’energia
• a curt termini: de segons a minuts
• a mig termini: emmagatzematge diari
• a llarg termini: d’emmagatzematge setmanal a mensual
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Emmagatzematge i H2
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Autosuficiència amb EnRen i H2
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L’H2 a l’Estat espanyol?
• 3 Bus d’H2 a Bcn (TMB, Bcn, 2003)
• Plataforma tecnológica del H2 y pilas de combustible (AEH2, Madrid, 2005)
• Recerca en H2 i piles de combustible (CNH2, Puertollano, 2010)
• Projecte Sotavento (gasnaturalfenosa, 2011)
• Reactors avançats de metanació (IREC, Bcn, 2014)
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Bus H2 a Bcn
• Projecte europeu CUTE (2003)
– 9 ciutats d’Europa: Amsterdam, Barcelona, Hamburg, London, Luxemburg, Madrid, Porto, Stockholm, Stuttgart
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Legislació
• Ley 34/1998 de hidrocarburos (act. 2014)
• Real Decreto 1434/2002 por el que se regulan las actividades de transporte, distribución, comercialización, suministro y prcedimientos de autorización de instalaciones de gas natural
No hi ha res escrit sobre l’H2
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