There is provided a lithium ion battery which maintains the flame retardancy of an electrolyte over a long period of time, has high energy density, and has improved charge/discharge cycle characteristics, high temperature storage characteristics, and rate ...

There is provided a negative electrode for a nonaqueous electrolyte secondary battery in which when a battery is formed, the energy density is high, and moreover, the decrease in charge and discharge capacity is small even if charge and discharge are repea...

A stacked battery (1), comprising: positive electrode current collection tab groups, each being formed by laying a plurality of positive electrode current collection tabs (7), negative electrode current collection tab groups, each being formed by laying a ...