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At 94 years old, John B. Goodenough isn't done changing the landscape of battery technology.
The University of Texas at Austin professor who's widely credited for
the invention of lithium-ion batteries has developed a better
alternative. Goodenough, Cockrell School senior research fellow Maria
Helena Braga and their team have created
a low-cost solid state battery that's safer than lithium-ion. It stores
thrice as much energy, which means more miles for electric vehicles in
between charges. When you do need to charge, it can be done minutes
instead of hours. Plus, it can withstand a greater number of charge and
The team's technology uses glass electrolytes instead of liquid
like lithium-ion does. By using solid glass, the new battery won't form
dendrites -- whisker-like pieces of lithium that usually form in liquid
electrolytes. They're the reason lithium-ion batteries have the tendency to short circuit and explode or start a fire.
glass electrolytes also make it possible for the battery to operate in
subzero degree (up to around -20 degrees Celsius or -4 degrees
Fahrenheit) weather. And since their use means the creators replaced
lithium with low-cost sodium, the batteries can be manufactured with
earth-friendly materials. Someday, the new technology could make EVs
more common and change the way we use our gadgets.
ADD: ''Emphasis added''
For now, Goodenough
and his team are looking to pair up with battery makers who can test
their creation in electric vehicles and energy storage devices.
Steven Lake said:
Apparently this is made by the same guy who invented the Lithium Ion battery.
Marc Kurth said:
As soon as I see field proven product........
Looks like several auto makers are promising solid state battery powered cars by 2025. They must find the technology promising.