Patent ID: 9379387
Filing Date: 2016-06-28
CPC Classification: H01B,H01M,Y02E

Claim Text:
1. A magnesium secondary battery comprising: a cathode comprising a cathode active material capable of intercalating and deintercalating magnesium ions; an anode comprising an anode active material capable of intercalating and deintercalating magnesium ions; a separator interposed between the cathode and the anode; and an electrolytic solution comprising magnesium ions, wherein the cathode comprises a current collector formed by coating a primer comprising a conductive material and a polymer material on a metallic base and the cathode active material coated on the current collector, wherein the mixing ratio of the conductive material and the polymer material in the primer is in the range of 1:10 to 10:1 on a weight ratio basis, wherein the metallic base is made of stainless steel, and wherein the primer has an average surface roughness of 0.3 μm to 20 μm.