In a polymer electrolyte battery including a battery element having a cathode and an anode coiled through a polymer electrolyte, a section of the battery element perpendicular to the coiling axis has a curved form. As compared with a polymer electrolyte battery having a flat plate type battery element curved, the former battery has an extremely low possibility of short-circuit at the end of an electrode and excellent battery characteristics.

 
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< Electrode compositions based on an amorphous alloy having a high silicon content

< Battery having electrolyte including organoborate salt

> Catalytic dehydrogenation of amine borane complexes

> Rechargeable lithium polymer battery

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