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WMG researchers convert used EV batteries into small off-grid ESS units

Green Car Congress

Researchers at WMG, University of Warwick, have repurposed end-of-life electric vehicle batteries as small energy storage systems (ESS) for off-grid locations in developing countries or isolated communities. Can the ESS be made compatible with a variety of other used battery cells and modules from other manufacturers.

Grid 300
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Sandia team develops GaN diode that is significant step toward protecting grid from EMPs

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Scientists from Sandia National Laboratories have developed a new gallium-nitride (GaN) diode that can shunt excess electricity within a few billionths of a second while operating at a record-breaking 6,400 volts—a significant step towards protecting the nation’s electric grid from an electromagnetic pulse (EMP). —Bob Kaplar.

Grid 303
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Advanced Propulsion Centre UK publishes automotive power electronics value chain

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The Advanced Propulsion Centre (APC) UK, with experts and stakeholders from industry, academia and funding and support bodies, has published an updated power electronics value chain which shows an end-to-end supply chain view of materials and components required for volume manufacturing of automotive inverters, converters, and onboard chargers.

Power 293
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Mobilize launching first commercial V2G service starting in 2024 with Renault 5; France, Germany and UK initially

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In addition to reinjecting electricity into the power grid, the bidirectional charger supports a vehicle-to-load (V2L) function for powering electrical appliances directly from the car. Compared to ZOE, the CMF-B EV platform is 30% cheaper to manufacture.

France 300
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GM expanding into new commercial applications for its HYDROTEC fuel cell systems

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They could also back up or temporarily replace grid-sourced electricity for residential and small commercial enterprises at times of power disruption. A palletized MPG to power military camps and installations quietly and efficiently. Retail EV Charging Stations. Photo by Steve Fecht for General Motors).

GM 448
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STMicroelectronics releases new high-power SiC power modules; increased EV performance and range

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Housed in ST’s ACEPACK DRIVE package optimized for traction applications, the power modules are reliable due to sintering technology, robust, and easy for manufacturers to integrate in EV drives. ACEPACK DRIVE SiC-based power module. Energy efficiency is also increased, which boosts driving range, and reliability can be extended.

Power 435
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Transphorm introduces Gallium Nitride diode; >99% efficient DC-DC boost converter

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Transphorm says that its solutions cut energy waste by 20% and simplify the design and manufacturing of a wide variety of electrical systems and devices, including motor drives, power supplies and inverters for solar panels and electric vehicles. is showcasing a GaN-based, dc-to-dc boost converter running at more than 99% efficiency.

DC 231