 In 1887, a dry-battery was developed by Yai Sakizō () of Japan, then patented in 1892.In 1893, Yai Sakizō's dry-battery was exhibited in World's Columbian Exposition and commanded considerable international attention.In 1899, a Swedish scientist named Waldemar Jungner invented the nickel–cadmium battery, a rechargeable battery that has nickel and cadmium electrodes in a potassium hydroxide solution; the first battery to use an alkaline electrolyte.