may 14 2003 copyright 2002 deshpande center for technological innovation massachusetts institute of technology frontiers in portable energy ideastream symposium power is a big market 0 1000 2000 3000 4000 5000 6000 85c y 86c 87c 88c 89c 90c 91c 92c 93c 94c 95c 96c 97c 98c 99c 00c 01c 02c 03c t o l s les c e ll upplier u m i llio n lip li ion nimh nicd aagr 13 12 17 growth small rechargeable batteries alone density and sources ragone plot engines mit spb sofc volumetric gravimetric j tarascon armand nature 414 359 2001 ca vincent b scrosati 1997 battery donald r sadoway department materials science & engineering cambridge tethered the wireless age a12
