Mar 3, 2006 #1 Mechdod Mechanical Mar 3, 2006 6 What is the specific Energy for hydrogen and how can i caculate the Mass of hydrogen required to produce electricity for a day at an Eff of 90% THANKS
What is the specific Energy for hydrogen and how can i caculate the Mass of hydrogen required to produce electricity for a day at an Eff of 90% THANKS
Mar 3, 2006 1 #2 kenvlach Materials Apr 12, 2000 2,514 To produce one electron (e-) per day in a 90% efficient fuel cell via the overall reaction 0.5 H2 + 0.25 O2 --> 0.5 H2O + e- requires 1.111... molecule of H2 per day, or 3.7 x 10-24 grams/day. Just multiply if your electrical needs are greater. Upvote 0 Downvote
To produce one electron (e-) per day in a 90% efficient fuel cell via the overall reaction 0.5 H2 + 0.25 O2 --> 0.5 H2O + e- requires 1.111... molecule of H2 per day, or 3.7 x 10-24 grams/day. Just multiply if your electrical needs are greater.
Mar 7, 2006 Thread starter #3 Mechdod Mechanical Mar 3, 2006 6 please can u explain in detail. Thanks Upvote 0 Downvote
Mar 7, 2006 #4 kenvlach Materials Apr 12, 2000 2,514 One electron (e-) has a charge of 1.6022 x 10-19 Coulomb. 1 ampere = 1 coulomb/second Therefore, a 1 Ampere current requires 6.2426 x 1018 electrons/second. Upvote 0 Downvote
One electron (e-) has a charge of 1.6022 x 10-19 Coulomb. 1 ampere = 1 coulomb/second Therefore, a 1 Ampere current requires 6.2426 x 1018 electrons/second.
