Electrolytic cells, rechargeable batteries, and fuel cells
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Last updated 10:00 PM on 5/4/23
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7 Terms
1
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what does rechargable mean
many cycles
2
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what is an electrolytic cell an example of
electrolysis
3
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What is the main idea of Electrolytic cells
Eapp > Ecell
4
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Why do you need to apply more power than you get out?
bc you always lose some energy as heat
5
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Fuel cell definition
a continuous rxn with products carried away
6
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What are advantages of Fuel Cells
clean bc no CO2 emitted
High efficiency: 40-70% efficient the rest goes to heat
High efficiency: 40-70% efficient the rest goes to heat
7
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What are disadvantages of fuel cells
* catalyst needed which is expensive
* H2 comes from rxn
* H2 stored in high-pressure tank: explosive hazard
* H2 tank infrastructure: becomes less efficient
* fouling: something kills catalyst site which if enough is killed, rxn stops
* H2 flame is invisible
* runs at high temp
* public acceptance is low
* H2 comes from rxn
* H2 stored in high-pressure tank: explosive hazard
* H2 tank infrastructure: becomes less efficient
* fouling: something kills catalyst site which if enough is killed, rxn stops
* H2 flame is invisible
* runs at high temp
* public acceptance is low
Note 
Flashcards (21)