Newsgroups: sci.electronics
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: Re: Large power storage devices (capacitors) (LONG)
Message-ID: <1988Nov19.213700.27298@utzoo.uucp>
Organization: U of Toronto Zoology
References: <4216@umd5.umd.edu> <2120001@hpnmdla.HP.COM>
Date: Sat, 19 Nov 88 21:37:00 GMT

In article <2120001@hpnmdla.HP.COM> waynec@hpnmdla.HP.COM (Wayne Cannon) writes:
>From what I have read, energe storage as heat in salts that
>change phase near room temperature would also provide substantial
>storage in a reasonable space, though I am not sure what
>mechanism you would use to effeciently convert the heat energy
>back into electrical energy...

Energy storage as heat is useful only if heat is the output you want.
Conversion from heat to electricity is woefully inefficient.
-- 
Sendmail is a bug,             |     Henry Spencer at U of Toronto Zoology
not a feature.                 | uunet!attcan!utzoo!henry henry@zoo.toronto.edu