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Technology Stocks : VALENCE TECHNOLOGY (VLNC)
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To: Tmoore who wrote (4463)10/19/1998 6:41:00 PM
From: steve  Read Replies (2) of 27311
 
Sorry about that. The link you posted was to the opening page and not to the story itself. I just wanted to check if that story was the one you referenced.

Any comments about the density comparison remark from this excerpt? I had the impression from comments on this board that that there was a significant difference. Also keep in mind, I have no competence in the chemistries or physics. So please, in laymen terms if you will... I'm only trying to make a buck:)

steve

<<excerpt>>Lithium-Polymer Can Make Batteries Thinner

Other market needs exist for thinner lithium-ion
batteries. Rectangular cases for batteries are more
suitable than round cases, to realize a thinner
lithium-ion battery. Sanyo, for example, plans to start
marketing a new rectangular-shaped battery with a
thickness of 5.3mm this autumn.

However, there is a limit to reducing the thickness.
Sanyo said it is difficult to make such batteries less
than 5mm with current manufacturing methods.

Battery makers are focusing on development of
lithium-polymer secondary batteries. The thickness of
a lithium-polymer secondary battery can be less than
1mm, because its solid or gel-formed electrolyte
solution is sandwiched between positive and negative
electrodes that are made of film. But, their energy
densities remain almost the same as those of
lithium-ion secondary batteries or a little less, because
the electrode materials are nearly the same as those
used for lithium-ion batteries.
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