Laptop Battery Recall

We all have been hearing one laptop manufacture after the other has to recall their laptop batteries. I heard of Sony and Dell recall their laptop batteries. This has prompted me to do some serious research on what is really going on at this point in time. We have had laptops for some time and not this degree of trouble.

Searching the web the bad batteries were found in Apple, Dell, Panasonic, and Hewlett-Packard laptops. The batteries are traced back to Sony, Sanyo and Matsushita the three major Japanese producers of lithium-ion batteries. They were manufactured between March of 2004 and September of 2004.

I like at a common thread in the manufacture of these batteries. What I found was that the chemical composition of the lithium-ion batteries has been a concern for sometimes. The focus of this of this concern was in the aging.

I quote from Battery University in their report. “Aging of lithium-ion is an issue that is often ignored. A lithium-ion battery in use typically lasts between 2-3 years. The capacity loss manifests itself in increased internal resistance caused by oxidation.”

The quote from Battery University was first created in February 2003, and last edited in August 2006. Notice before and the manufacture of these recalled batteries, and after the recall.
Is this the last of the battery recalls? Has the problem been solved? Is battery manufacture of lithium-ion batteries going to have to say not to use them after 2 years?

2006
E.F. Cussins
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