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Eco-Battery Technologies -- Shirley Meng, UC San Diego

Green Connections Radio | October 13, 2017

Imagine if a substance so common and inexpensive that it's in your kitchen cabinet could hold the secret to the next revolution in battery technologies! That's the truly ground-breaking work that Dr. Shirley Meng is leading at the Laboratory for Energy Storage and Conversion at U.C. San Diego and as the Founding Director of its Sustainable Power and Energy Center. This brilliant woman is innovating batteries for the 21st century for the grid, electric vehicles and those small alkaline batteries in your flashlight or portable emergency radio. These breakthroughs expand renewable energy. Full Story


As you head off to space with Li-ion batts, don't forget to inject that liquefied gas into them

The Register | June 16, 2017

In 1991, Sony launched the world's first commercial lithium-ion battery. And since then the design hasn't changed all that much. Now, new research suggests that incorporating liquefied gas can allow lithium-ion batteries to work at much lower temperatures than previously possible. Lithium-ion batteries are cheap, pretty reliable, and have a high energy density. They would be ideal for powering stuff out in space, but they don't work too hot in the extreme cold. Full Story


Gas electrolyte keeps very cold batteries running

New Atlas | June 16, 2017

Of the various concerns that people have regarding electric cars, one of the most often-heard is the worry that their batteries won't work in cold winter weather. That may not be an issue in the semi-near future, however -- scientists at the University of California, San Diego have created a new type of electrolyte that allows lithium batteries to work with "excellent performance" at temperatures as low as -60 ºC (-76 ºF). By contrast, traditional lithium-ion batteries tend to conk out at around -20 ºC (-4 ºF). Full Story


Liquefied Gas Electrolytes Allow Lithium Batteries to Operate at Very Low Temperatures

AZoCleantech | June 16, 2017

It is well known that prevalent lithium-ion batteries do not operate at temperatures of -20 °C and lower. At present, the Engineers of University of California San Diego have made an advancement in the field of electrolyte chemistry for enabling lithium batteries to operate at lower temperatures of -60 °C with exceptional performance. The innovative electrolytes also allow electrochemical capacitors to operate at temperatures of -80 °C, which at present operate at low temperatures of -40 °C. Full Story


UC San Diego Researchers Build Batteries For Extremely Cold Weather

KPBS | June 15, 2017

San Diego researchers have developed a way to build batteries that can function in extremely cold environments. The batteries could change expectations for energy storage devices. The new batteries use a pressurized gas as the conduit to move electricity inside the device. Current batteries rely on liquids or solid materials to serve as electrolytes. Shirley Meng leads the UC San Diego lab where the work was done. She said the batteries have two important properties. The batteries can work at much colder temperatures and can shut themselves down if the battery starts to overheat. Full Story