A123 Venture Technologies, the R&D subsidiary of the mercurial manufacturer of EV batteries, has announced a strategic partnership with MIT startup SolidEnergy. SolidEnergy’s solid electrolyte technology enables the use of lithium metal anodes for high energy density batteries. The new partnership combines SolidEnergy’s Solid Polymer Ionic Liquid (SPIL) electrolyte with the cell design and prototyping… Read more »
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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 »
Electric car sharing takes off in Paris, stalls in Berlin
Some see car sharing as a killer app for EVs – users make short journeys, return the cars to central locations, and pay per trip, so they don’t have to worry about high up-front costs. Others are more skeptical, pointing out that some customers are non-car owners who want to use shared cars to get… Read more »
Oak Ridge researchers give solid Li-ion electrolytes a new spin
Their novel approach offers an advantage in terms of safety and also results in a broad (5 V wide) electrochemical window.
PolyPlus scores $9 million DOE grant for its battery technology
The PolyPlus lithium-water battery has achieved the highest energy density ever recorded – 1,300 Wh/kg, far more than the maximum delivered by current lithium-ion batteries.
Paris car sharing service launches with 250 EVs
Car sharing services, which allow drivers to rent vehicles for a few hours at a time, are popular in Europe’s cities. They’re a natural fit for EVs, because most users will drive only short distances, the cars can be recharged at the central pick-up/drop-off locations, and of course EVs reduce air and noise pollution in… Read more »
24M’s new Electrode-to-Pack technology enables greater pack-level energy density for EV batteries
We EV veterans remember the old days, when a battery pack was designed according to a strict hierarchy: cell, module, pack. Then, way back in 2019, CATL introduced a cell-to-pack architecture, which, by dispensing with modules, allowed a battery pack to be made lighter and smaller. This technology has since reached its third generation, and… Read more »
QuantumScape and PowerCo demonstrate solid-state EV batteries in Ducati electric motorcycle
Solid-state battery pioneer QuantumScape (QS) and PowerCo, the battery division of the Volkswagen Group, demonstrated QS solid-state lithium-metal batteries powering a Ducati electric motorcycle at the recent IAA Mobility show in Munich. This was the first time QS has showcased its solid-state cells in a real-world vehicle. The battery system used in the e-motorcycle was… Read more »
Mercedes-Benz EQS with solid-state battery makes 749-mile test drive on a single charge
Solid-state EV batteries are making the transition from the laboratory to real-world testing—this week we’ve seen announcements from QuantumScape, Rimac, and now Mercedes-Benz, which demonstrated its solid-state technology on a test drive from Stuttgart, Germany to Malmö, Sweden. A “lightly modified” Mercedes EQS test vehicle equipped with a lithium-metal solid-state battery completed the 1,205-kilometer (749-mile)… Read more »
Korean scientists find a way to control concentration gradients in high-nickel cathodes
Researchers at Pusan National University in South Korea have introduced a novel mathematical framework for lithium-ion batteries containing high-nickel cathodes that enables flexible full concentration gradient (FCG) or core-shell designs. In a new study, an international research team led by Associate Professor Hyun Deog Yoo from the Department of Chemistry and the Institute for Future… Read more »