Volkswagen has acquired a 5% stake in US battery startup QuantumScape, with an option to buy more, and it is evaluating the company’s solid-state battery tech with an eye to using it in VW’s next generation of EVs. Last November, Volkswagen Group CEO Martin Winterkorn said he saw “great potential” in solid-state batteries, which potentially… Read more »
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Dyson invests $15 million in solid-state battery-maker Sakti3
Dyson, a manufacturer of high-tech vacuum cleaners, fans, restroom hand dryers and other nifty gadgets, has invested $15 million in Sakti3, a Michigan-based developer of solid-state battery technology. As CEO Ann Marie Sastry explained in a panel discussion last November, solid-state batteries theoretically offer higher energy density than current Li-ion designs, and could also be… Read more »
Beating the polysulfide shuttle to build a solid-state battery approaching theoretical capacity
The latest advance in lithium-sulfur technology comes courtesy of a research team from Samsung and the University of Rome, who have built a solid-state Li-S battery with a capacity (∼1600 mAhg−1) approaching the theoretical value and Coulombic efficiency approaching 99%. In a paper published in the Journal of The Electrochemical Society, the team concludes that… Read more »
Samsung invests in Solid-state battery-maker Seeo, sets sights on 400 Wh/kg
Seeo, a developer of lithium polymer batteries, has closed its largest funding round to date, adding Samsung Ventures to its list of investors. The company will use the new capital to accelerate the commercialization of its high-energy-density batteries. Seeo’s patented DryLyte solid polymer electrolyte is non-flammable and non-volatile, and delivers high energy density. Currently, Seeo… Read more »
Volkswagen buys piece of solid-state battery startup
Volkswagen has bought a five-percent stake in battery startup QuantumScape. Confidential sources told Bloomberg that the Volkswagen Group plans to complete tests of QuantumScape’s technology by mid-2015, and is considering using it in VW, Porsche and Audi vehicles. Closely-held QuantumScape, founded in 2010 by former Stanford University researchers, is working on solid-state batteries, which it… Read more »
Volkswagen sees “great potential” in solid-state batteries
In a speech at Stanford University last week, Dr Martin Winterkorn, Chairman of the Board of Volkswagen, said that he sees great potential in solid-state batteries, which could boost EV range to as much as 435 miles, representing a volumetric energy density of about 1,000 Wh/l. Replacing the traditional liquid electrolyte with a nonflammable inorganic… Read more »
ORNL team demonstrates high-voltage solid-state battery with impressive cycle life
Researchers at the Oak Ridge National Laboratory have demonstrated a solid-state high-voltage (5 V) lithium battery with an extremely long cycle life (10,000 cycles) and high Coulombic efficiency (99.98%). The solid electrolyte enables the use of high-voltage cathodes and lithium anodes with minimal side reactions. The energy stored in a battery of a given size… Read more »
Sakti3 demonstrates impressive energy density with solid-state battery cells
For a few years, battery insiders have been talking about a startup company called Sakti3. The University of Michigan spin-out has received millions in funding from backers including Khosla Ventures and GM Ventures. Until recently, the company has been pretty secretive, but this week CEO Ann Marie Sastry told Scientific American that the company’s prototype… Read more »
Toyota researchers develop all-solid-state Li-ion batteries
As Toyota plans to bring a fuel cell vehicle to market in 2015, its researchers continue to work on next-generation battery technologies. In a presentation at the International Meeting on Lithium Batteries in Como, Italy, Dr. Hideki Iba from Toyota’s Battery Research Division and Dr. Chihiro Yada from Toyota Motor Europe’s Advanced Technology Group noted… Read more »
University of Colorado researchers to commercialize new solid-state battery
The University of Colorado Boulder (CU) has signed an agreement with Solid Power LLC, a spin-off company, to develop and commercialize a solid-state battery technology that has the potential to greatly improve EV range. Solid Power, founded by Se-Hee Lee and Conrad Stoldt, both associate professors of mechanical engineering, was recently awarded a $3.4 million… Read more »