Thursday, July 31, 2014

iPhone 8 to Have GREAT Battery Life!

Wait.  Aren't we currently using the iPhone 5s and waiting for the 6?

What is this iPhone 8 business then?

News out a few days ago should have all of us mobile junkies a bit excited, even though we will have to wait quite a while for it to be realized. Maybe by the time the iPhone 8 is sitting at 10% market share we'll have the battery life we all are dreaming of.

The short of it is Stanford researchers have made an enormous step forward to stable lithium anode batteries, the 'holy grail' of batteries. Here is a piece that tells the whole story:

http://www.sciencedaily.com/releases/2014/07/140727165708.htm

Here is a snippet from that piece:

"In practical terms, if we can improve the capacity of batteries to, say, four times today's, that would be exciting. You might be able to have cell phone with double or triple the battery life or an electric car with a range of 300 miles that cost only $25,000 -- competitive with an internal combustion engine getting 40 mpg," Chu said.

...

The Stanford team's new lithium metal anode achieves 99 percent efficiency even at 150 cycles.

"The difference between 99 percent and 96 percent, in battery terms, is huge. So, while we're not quite to that 99.9 percent threshold, where we need to be, we're close and this is a significant improvement over any previous design," Cui said. "With some additional engineering and new electrolytes, we believe we can realize a practical and stable lithium metal anode that could power the next generation of rechargeable batteries."

Happy Reading,

J.W. Gant

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