| abstract |
The composition for a functional layer of a non-aqueous secondary battery of the present invention includes non-conductive particles, a water-soluble polymer containing (meth)acrylamide monomer units in a ratio of 70.0 mass% or more and 99.0 mass% or less, and ethylenically unsaturated carboxylic acid monomer units. contains 1.5 mass % or more and 5.0 mass % or less, and contains the water-insoluble polymer whose electrolyte solution swelling degree exceeds 1.0 times and 3.0 times or less. |