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Electronics & Test
New Breed of Lithium Batteries
7/20/2011

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Panasonic's NCR18650A lithium-ion batteries have a capacity of 3.1A-hr.  Source: Panasonic
Panasonic's NCR18650A lithium-ion batteries have a capacity of 3.1A-hr.
Source: Panasonic

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William K.
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Platinum
Batteries and Moore's law?
William K.   8/3/2011 5:20:08 PM
NO RATINGS
The advances in processors have all been in production technique, not in fundamental breakthroughs. There is a big difference there. Probably production advances will improve reliability and possibly reduce cost, but breakthroughs are different.

And PLEASE don't get anything started where folks just assume that improvements will just continue to happen. That would be a pain to deal with.

vimalkumarp
User Rank
Gold
new breed of lithium batteries
vimalkumarp   12/21/2011 10:26:09 PM
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this is an excellent thought on Moore's law and batteries.

These new breed of batteries will revolutinize medical domain

 

J_Pat_H
User Rank
Bronze
Re: Batteries and Moore's law?
J_Pat_H   1/5/2012 2:17:49 AM
NO RATINGS
Moore's Law IS just assuming that improvements will continue to happen.

Each company in Integrated Circuit design and manufacturing assumes that Moore's Law will continue, so they have been driven to compete by setting their goals for that level of improvement that Moore's Law predicts and then doing whatever it takes to get there.

There have been many obstacles since 1965 when Moore wrote that prediction that became Moore's Law, but the industry plowed through those obstacles. While the geometric shrinking has been the main method of achieving increased density, that is becoming too costly, so vertically sandwitching multiple layers of transistors is being attempted. There are already manufacturers tooling up for that. When that happens, density will double - and then more verticle layers will be added - and so on.


William K.
User Rank
Platinum
"New breed" of lithium batteries"???
William K.   1/6/2012 6:05:31 PM
NO RATINGS
I think that I need to clarify a bit about the Moore's law about semiconductors and integrated circuits. Most of those advances that allowed for more transistors and tighter packaging were developments in the same manufacturing process, and all of them represented advances in the MANUFACTURING PROCESS. They were not the result of new discoveries or fundamentally new technologies, they have been process improvements.

The next change in betteries will need to be a fundamentally different technology, not just a process improvement. Process improvements will indeed bring us smaller and cheaper batteries, but not the large increase in capacity, (energy density) that we need in order to make electric cars a competitive reality. Some new chemistry or with elements that have a greater energy storage capacity, possibly lithium-flourine, may be a choice, except for the obvious tendancy toward explosion. 

The worst thing would indeed be for those who don't have a clue as to what Moore's Law is really about to decide the future based on an assumption that the advances will come no matter what, and that we can be certain that the advances will be made "in time". That would be the setup for a serious dissapointment indeed.

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