BU-203: Nickel-based Batteries
Table 3: Advantages and limitations of NiMH batteries. Nickel-iron (NiFe) After inventing nickel-cadmium in 1899, Sweden''s Waldemar Jungner tried to substitute cadmium for iron to save money; however, poor charge efficiency and gassing (hydrogen formation) prompted him to abandon the development without securing a patent. ...