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Here comes the next generation of innovators revolutionizing batteries. Brian Parsonnet led the development of the Ice Bear, a device that is attached to commercial air conditioners and uses ice to store energy, making cooling more efficient and easing the burden on the electric grid

Here comes the next generation of innovators revolutionizing batteries. Per-Ivar Sellergren is helping Volvo put energy storage--both batteries and high-power supercapacitors--in the body panels of cars. Photo by Christian Aslund Per-Ivar Sellergren Senior Research and Development Engineer Volvo Car Corp., Goeteborg, Sweden Sellergren, 60, is helping Volvo put energy storage--both batteries and high-power supercapacitors--in the body panels of cars