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Aerial photograph of the FLEXLAB complex KIA NIRO electric car is charging on street parking lot of Lindholmen, Gothenburg Silicon wafer reflecting different colors An electric vehicle lithium-ion battery pack. Artistic representation of a smart home Griffith Park brush wildfire and the Woolsey fire in California. Illustration of a train connected to a city via a power grid. Dark-haired scientist in the center of the frame looks toward the camera. They are standing behind the clear glass of an encased automated lab. Illustration depicting a city connected to a geothermal aquifer system. Illustration of a blue electric vehicle with light streaming from it against a black background. Scanning transmission electron microscope images reveal the elemental distribution in a “disordered” solid electrolyte. A new type of polysulfate compound can be used to make polymer film capacitors that store and discharge high density of electrical energy while tolerating heat and electric fields beyond the limits of existing polymer film capacitors.