%!PS

% A POSSIBLE EVALUATION OF SOME RECENT BATTERY "OVERUNITY" CLAIMS
% ===============================================================
% by  Don Lancaster

%  Copyright c 2002 by Don Lancaster & Synergetics, Box 809, Thatcher, AZ, 85552
%  (928) 428-4073 Email: don@tinaja.com Website: http://www.tinaja.com
%  Consulting services available http://www.tinaja.com/info01.html
%  Linking welcome. Reposting expressly forbidden. 

%  All commercial rights and all electronic media rights ~fully~ reserved.
%  Linking usually welcome. Reposting expressly forbidden. Version 1.5 

%  A brief tutorial and url links evaluating recent battery overunity claims.
%  One possible explanation is pulse recharging combined with improper measurement.

%  IMPORTANT NOTE: Don Lancaster's file gonzo.ps is required for this program.
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%  Copyright c 1990, 1996, 2001 by Don Lancaster and Synergetics, Box 809,
%  Thatcher Arizona, 5552 (928) 428-4073  don@tinaja.com  support
%  via http://www.tinaja.com  All commercial rights and all electronic
%  media rights **FULLY** reserved. Reposting is expressly forbidden.

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20 47.3 0.7 add (A Possible Evaluation of Recent) cc
20 45.3 0.7 add (Battery "Overunity" Claims) cc
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textleft 43 
(|3Don Lancaster
Synergetics, Box 809, Thatcher, AZ 85552
copyright c 2002 as |/surl |6GuruGram|3|/gurgrm01  #7
|/surl http://www.tinaja.com|/tinaja 
|/surl don@tinaja.com|/maildon 
(928) 428-4073

|h
|a|0W|b|1hat follows is a personal speculative analysis and opinion. Your critical comments are specifically welcomed, as are alternate credible explorations\274
|h
There have been recent web claims of "overunity" lead acid battery operation from sites that include\274
|h|3|/shiftin 
         |/surl |6http://www.tilleyfoundation.com|1|/tilley  
         |/surl |6http://www.mnglobal.com/energy/pg2.htm|1|/mnglobal 
         |/surl |6http://www.keelynet.com|1|/keely 
         |/surl |6http://www.evolvedtechnology.com|1|/evolve 
|h|1|/shiftout |/aqua |/black 
Needless to say, the |/surl |6thermodynamically challenged|1|/hack64  have been really getting off on these topics in various newsgroups and forums.
|h
It is somewhat difficult to treat these claims seriously owing to the obvious
misunderstanding and misuse of fundamental energy measurement units
clearly shown by the proponents. Specifically\274
|3|/shiftin |h|/burple |/staytint1 
"Watts per hour" is a measure of energy use acceleration.
"COP" is the ~input~ energy ratio of a heat transfer device.
"Amperes of Power" is, of course, not even wrong.
|h|1|/shiftout |/aqua |/black 
Nonetheless, it might be appropriate to ask "Is there a simple way a small device with a mechanical or electrical input attached to a lead acid battery could cause at least a credible portion of the claimed effects?"
|h
I believe I first looked into a probable explanation for this phenomenon in my        |/tinton1 |6HACK52|1|/tintoff  found in |/surl |6http://www.tinaja.com/muse/hackar3.pdf|1|/hackar3  many years ago. Additional details appeared later in |/surl |6http://www.tinaja.com/glib/resbn58.pdf|1|/resbn58 .
|h
Probably similar products (|jminus, of course, the overunity part|j) routinely appear at relatively low cost in |/surl |6Battery Power Products & Technology|1|/bppt  magazine. These are intended primarily for larger forklift batteries.
|h
What are we looking at here?


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|h
|a|0U|b|1|jnder certain circumstances, applying high current fractional energy pulse recharging to a lead acid chemistry |/tinton1 |6during|1|/tintoff  discharge can apparently delay somewhat the onset of polarization and increasing cell resistance. Under optimum conditions, this can sometimes raise the apparent recoverable energy density and sometimes lengthen service life as well. 
|h
Naturally, |/surl |6fundamental thermodynamic principles|1|/hack64  guarantee us there is no recoverable chemical energy that is not first placed in the battery by charging.
|h
Normally, the pulse characteristics must be carefully matched to the particular battery chemistry, manufacturer, and load cycling. 
|h
The returned pulses often have a highly unusual waveshape which gets typically
|/tinton1r |6underreported|1|/tintoff  by standard average responding meters. Often by a factor |/aqua of 3:1 or so. Useful tutorials appear in |/surl |6http://www.tinaja.com/glib/muse112.pdf|1|/muse112  and in |/surl |6http://www.tinaja.com/muse113.pdf|1|/muse113 .
|h
Further, when pulse charge recycling is in use, the open circuit battery voltage is       |/tinton1r |6not|1|/tintoff  normally a meaningful indicator of remaining recoverable energy. Far more exotic and subtle measurements are mandataded for realistic evaluation.
|h|/aqua 
Such methods might include precision specific gravity instrumentation or else make use of |/surl |6Electrochemical Impedance Spectroscopy|1|/muse137  techniques.
|h
Needless to say, the volumetric and gravimetric energy densities of lead acid chemistry are way too dismal to allow use of these in any forward looking personal transportation solutions.  A tutorial on this topic and other energy fundamentals can be found at |/surl |6http://www.tinaja.com/glib/energfun.pdf|1|/energfun .
|h
Until such time as compelling and unambiguous evidence can be clearly and         |/tinton1 |6independently|1|/tintoff  shown otherwise, the assumption that the claims represent a combination of |/surl |6standard beginning EE student blunder #001-A|1|/muse112  and a poorly implemented clone of a standard ho-hum off-the-shelf product cannot be fully discounted or discredited.
|h
More at |/surl |6http://www.tinaja.com/glib/bashpseu.pdf|1|/bashpseu .
|h
Consulting services available per |/surl |6http://www.tinaja.com/info01.asp|1|/info01 .
 

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