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LG Chem’s flexible, knottable batteries could be integrated into textiles and headphone cords.
An alternative to batteries gets an advance from tiny, crumpled sheets of graphene, whose electrodes can store more charge because they have larger surface areas.
A new approach allows more information to be extracted from the brain.
Lithium-ion batteries with nanotube electrodes could go longer between charges.
A high-power cell uses materials already on the market and operates at lower temperatures.
Delivering electrical stimulation via the spinal cord could help ease symptoms of the disease.
Dense films of carbon nanotubes store large amounts of energy.
Researchers at MIT used a virus to assemble two major components of a working microbattery.