A binder composition for electrodes, comprising a polymer and an aqueous medium, wherein the polymer consists of a polymer (A) which has a HOMO value calculated by a semiempirical molecular orbital method of -10 eV or less, a difference between its LUMO va...

A secondary battery electrode which suppresses decrease in capacity and lithium deposition at low temperatures is provided. An electrode for a secondary battery includes an electrode active material layer containing a polymer having a cationic group, an an...