| abstract |
Provided is a lithium ion battery that can effectively reduce the risk of cell heating related to safety when a cell is mechanically damaged or when a local short circuit occurs between individual electrodes. A lithium ion battery including at least one battery cell, wherein each of the battery cells includes a negative electrode, a positive electrode, an electrolyte composition, and a separator. The battery further includes at least one rapid discharge device 61, and has an electric resistance greater than 0 Ωcm 2 and a lithium ion conductivity greater than 0 S / cm on the surface of the negative electrode 21 and / or the positive electrode 22, and a lithium ion battery A lithium ion battery coated with a material having a solubility of less than 1 g / L in the electrolyte composition 15 under the following operating conditions. Furthermore, a method for producing such a lithium ion battery. [Selection] Figure 1 |