Paul: I just finished reading an article (The power of Trees) in the Autumn 2009 Northern Woodlands ( A New Way Of looking At The Forest) magazine. They make reference to the Voltree power system that generates 100 microwatts of continuous power. "The MIT team says that the voltage difference between parts of the trees and the soil is primarily due to the difference in ph between the two. The more acidic areas contain a greater concentration of positively charged hydrogen ions. The ions attract electrons, which results in the generation of a small current."
The Summer 2009 issue had an article called Wind, Fire, Ice and Insects: Can Natural Disturbances Be a Management Model for Foresters? I enjoy every issue of Northern Woodlands. Tim On Wed, Dec 2, 2009 at 2:28 PM, Paul Jost <[email protected]> wrote: > A little while ago, I posted a message about charging batteries from the > voltage difference between a tree and the soil nearby. Since then, I have > found an online paper on the subject, and a company that has created a > commercial product, the Javelin lifetime, that can be charged with the > bioenergy harvester device. It is a remote sensor/transmitter with a field > life of 15-20 years: > > http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0002963 > http://www.voltreepower.com > > Paul J. > > -- > Eastern Native Tree Society http://www.nativetreesociety.org > Send email to [email protected] > Visit this group at http://groups.google.com/group/entstrees?hl=en > To unsubscribe send email to > [email protected]<entstrees%[email protected]> > -- Eastern Native Tree Society http://www.nativetreesociety.org Send email to [email protected] Visit this group at http://groups.google.com/group/entstrees?hl=en To unsubscribe send email to [email protected]
