Search International and National Patent Collections
|1. (WO2017018436) LITHIUM-ION SECONDARY BATTERY|
|Title:||LITHIUM-ION SECONDARY BATTERY|
Provided is a lithium-ion secondary battery in which positive terminals 30 and negative terminals 40 are alternately laminated with a separator 25 interposed therebetween. Each separator 25 is a single layer that does not melt or soften at at least 200°C and that has a heat shrinkage rate of 3% or less. An insulation layer 70 is formed on the surfaces of each positive terminal 30, such surfaces being those that opposes the separators 25.