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Physics — Hydrogen Fuel Cell Energy Flow

Fuel cells convert chemical energy efficiently.

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Hydrogen fuel cell: energy flowHydrogen chemical energy100Electrical output60Heat35Other losses5Conserved — 100 in, 100 out, across 4 nodes and 3 flows. The widths add up.4 nodes named only by a flow — `Hydrogen chemical energy`, `Electrical output`, `Heat`, `Other losses`. They are drawn under the bare id with no label, which …Conserved: 100 enters at `Hydrogen chemical energy` and 100 leaves at `Electrical output`, `Heat`, `Other losses`, and every one of the 0 nodes between them p…

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title "Hydrogen fuel cell: energy flow"
flow "Hydrogen chemical energy" "Electrical output" 60
flow "Hydrogen chemical energy" "Heat" 35
flow "Hydrogen chemical energy" "Other losses" 5