A cylindrical battery having a bottomed tubular exterior can; an electrode body in the exterior can and around which a long positive electrode and a long negative electrode are wound with a separator therebetween; a plurality of negative-electrode lead par...

A flame due to abnormality is prevented from leaking to an outside. A battery pack includes a first inorganic plate disposed at an opening of a housing and spaced apart from a battery holder by a first gap (d), and a second inorganic plate spaced apart fro...

A non-aqueous electrolyte secondary battery that is one aspect of the present disclosure is provided with a positive electrode, a negative electrode, and a non-aqueous electrolyte, the positive electrode having a positive electrode current collector and a ...