Nickel-cadmium development

Early Ni-Cd battery invention and pioneers

Industrialization of Ni-Cd batteries in the early 20th century

Ni-Cd battery chemistry and early material innovations

Military applications of Ni-Cd batteries in World War II

Ni-Cd vs. lead-acid: Early competitive dynamics

First consumer applications of Ni-Cd batteries

Patent disputes and early intellectual property in Ni-Cd technology

Limitations and failures of early Ni-Cd batteries

Ni-Cd battery standardization efforts before 1950

Environmental and health concerns in early Ni-Cd production