| abstract |
PROBLEM TO BE SOLVED: To provide an electrochemical element excellent in safety and a separator capable of constituting the electrochemical element. The separator for an electrochemical element of the present invention is characterized by having a first separator layer mainly composed of a thermoplastic resin and a second separator layer containing a fire extinguishing material. The electrochemical device of the present invention has a positive electrode, a negative electrode, a separator, and a non-aqueous electrolyte, and the separator is the electrochemical device separator of the present invention. [Selection figure] None |