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13 cards from this deck
Electrochemical device converting chemical to electrical energy
Hydrogen as fuel, oxygen as oxidising agent
Don't store energy internally; generate electricity while fuel is supplied
Oxidation-reduction reactions
H2(g)→2H+(aq)+2e−\text{H}_2(g) \rightarrow 2\text{H}^+(aq) + 2e^-H2(g)→2H+(aq)+2e−
Porous carbon with platinum catalyst
12O2(g)+2H+(aq)+2e−→H2O(l)\frac{1}{2}\text{O}_2(g) + 2\text{H}^+(aq) + 2e^- \rightarrow \text{H}_2\text{O}(l)21O2(g)+2H+(aq)+2e−→H2O(l)
H2(g)+12O2(g)→H2O(l)\text{H}_2(g) + \frac{1}{2}\text{O}_2(g) \rightarrow \text{H}_2\text{O}(l)H2(g)+21O2(g)→H2O(l)
Allows H⁺ through, blocks electrons, separates gases
Water
H₂ produced by splitting water using renewable electricity
2H2O(l)→2H2(g)+O2(g)2\text{H}_2\text{O}(l) \rightarrow 2\text{H}_2(g) + \text{O}_2(g)2H2O(l)→2H2(g)+O2(g)
Zero emissions, quick refuelling, long range, quiet operation
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