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13 cards from this deck
Electricity (when supplied with fuel and oxidising agent)
Hydrogen gas (H2H_2H2) and oxygen gas (O2O_2O2)
Water (H2OH_2OH2O)
2H2+O2→2H2O2H_2 + O_2 \rightarrow 2H_2O2H2+O2→2H2O
H2→2H++2e−H_2 \rightarrow 2H^+ + 2e^-H2→2H++2e−
H2H_2H2 oxidised, loses electrons, forms H+H^+H+ ions
O2O_2O2 gains electrons, reacts with H+H^+H+ to form water
From anode to cathode through external circuit
Water (non-polluting)
Generate less waste than non-rechargeable batteries
Highly flammable gas requiring careful storage
Expensive and complex to develop
Space Shuttle and International Space Station
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