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                      Ideate.

Come	up	with	an	idea	for	a	value	proposition	using	the	compressed	air	energy
storage.

EPFL	has	worked	for	over	ten	years	on	an	original	storage	system:	compressed
air.	The	use	of	a	hydraulic	piston	delivers	the	best	system	performance…	The
obtained	high	pressure	air	can	be	safely	stored	in	bottles	without	losses	until	it	is
necessary	to	generate	new	electricity	by	expanding	the	gas	in	the	cylinder.	One
of	the	advantages	of	our	system	is	that	it	does	not	require	rare	materials.
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