The difference between a "galvanic cell" and "electrolyte cell"
From: Wayne (nospam-mail_at_wlawson.com)
Date: 12/30/04
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Date: Thu, 30 Dec 2004 11:36:25 GMT
Hi
Reading Electrochemistry by Hamann [1998, p.237] he says that If a cell has
a non offset (no DC) ac signal applied it will operate like "galvanic cell"
rather than an "electrolyte cell".
I was under the impression that they were the same thing. However, a good
old search on Google reveled the following difference:
- Galvanic cell: DeltaG < 0; spontaneous; -DeltaG =
maximum
electric work output
- Electrolyte cell: DeltaG > 0; non-spontaneous; DeltaG = minimum
electric work needed
Does this mean that a Galvanic will produce electrical energy and a
electrolyte cell with produce chemical?
Can someone clear this up for me?
Cheers
Wayne
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