Akali zinc secondary cell and method for preparation thereof

A method for producing an alkaline zinc secondary battery comprising the steps of:

• (1) a first step of producing a negative electrode comprising at least one selected from the group consisting of zinc and zinc oxide and a positive electrode;
• (2) a second step of mixing a water absorbent polymer and an alkaline aqueous solution, the mixture then being used to produce a separator layer in a sheet form comprising a gel electrolyte;
• (3) a third step of laminating said positive electrode and said negative electrode with said separator layer disposed therebetween, to obtain an electrode assembly;
• and
• (4) a forth step of fabricating an alkaline zinc secondary battery with the use of said electrode assembly obtained in said third step.

A method for producing an alkaline zinc secondary battery comprising the steps of:

• (1) a first step of producing a negative electrode comprising at least one selected from the group consisting of zinc and zinc oxide and a positive electrode;
• (2) a second step of mixing a water absorbent polymer and an alkaline aqueous solution, the mixture then being applied on at least either the surface of said positive electrode or the surface of said negative electrode to form a separator layer comprising a gel electrolyte which is in intimate contact with said surface;
• (3) a third step of laminating said positive electrode and said negative electrode with said separator layer disposed therebetween to obtain an electrode assembly;
• and
• (4) a forth step of fabricating an alkaline zinc secondary battery with the use of said electrode assembly obtained in said third step.