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USA: EEStor Issued a Patent For Its Supercapacitor

On December 16th EEStor was granted a US patent for their EESU. The patent is a highly information-rich document that give a remarkable insight into these potential devices. EEStor notes “the present invention provides a unique lightweight electric-energy storage unit that has the capability to store ultrahigh amounts of energy”.
Source: GM Volt

Ultracapacitors for electric cars looking more likely

According to most experts’ expectations for electric cars, the vehicles will be fueled mainly by batteries. But there’s a dark horse competitor for energy storage: ultracapacitors, devices that store energy in an electric field. Three companies, Apowercap Technologies, Eestor and Maxwell Technologies, looking increasingly likely to commercialize that technology.
Source: NY Times