SHINE: S eattle’s H ub for I ndustry-driven N anotechnology E ducation North Seattle College Train the NanoTeacher Workshop July 17, 2014 Water Splitting.

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SHINE: S eattle’s H ub for I ndustry-driven N anotechnology E ducation North Seattle College Train the NanoTeacher Workshop July 17, 2014 Water Splitting Fuel Cells

Electricity Conductive materials allow the flow of electrons Current is produced as electrons flow through the material From anode (Negative charge – free electrons) To cathode (Positive charge – needs electrons) Complete circuit 2 SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education

Electron Flow + – – + 3 SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education

Water Splitting Reactions H 2 O H + + OH - 2H + + 2e - H 2 4 OH - O 2 + 2H 2 O + 4e - 4 H 2 O 2H 2 + O 2 + 2H 2 O H O e - e - H + OH - H 2 O SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education

Hydrogen stored Energy Releasing energy trapped in hydrogen with a match Fuel cell car kits 5 SHINE: Seattle’s Hub for Industry-driven Nanotechnology Education

Further investigations Surface area Different gauges of nickel Coiling nickel wire Sodium Sulfate concentration Solar cells instead of batteries Various electrodes Different metals This material is based upon work supported by the National Science Foundation under Grant Number Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation. 6