See:
Cravens, D. and D. Letts. The Enabling Criteria Of Electrochemical
Heat: Beyond Reasonable Doubt. in ICCF-14 International Conference on
Condensed Matter Nuclear Science. 2008. Washington, DC.
http://lenr-canr.org/acrobat/CravensDtheenablin.pdf
I did a ton of work on this, so everyone should read it, by golly.
Oh, and Cravens & Letts (a.k.a. D1 and D2) also did a lot of work, as
you can see from the abtract:
"One hundred sixty seven papers from 1989 to 2007 concerning the
generation of heat from electrochemical cells were collected, listed,
and digitally posted to a CD for reference, review and study. A
review showed four criteria that were required for successful
experiments attempting replication of the Fleischmann-Pons effect.
All published negative results can be traced to researchers not
fulfilling one or more of these criteria. Statistical and Bayesian
studies show that observation of the Fleischmann-Pons effect is
correlated with the criteria and that production of 'excess heat' is
a real physical effect 'beyond a reasonable doubt.'"
- Jed