Because they were rechargeable was not the only reason that nickel-cadmium batteries became successful. Other rechargeable batteries already existed. The real advantage here was they could provide something earlier batteries did not: a practical combination of durability, reliability and repeated use.
When Jungner Developed His Nickel-Cadmium Battery
When Jungner developed his nickel-cadmium battery in the late nineteenth century, the technology was still expensive and difficult to manufacture. But the basic chemistry had these important strengths.
A nickel-cadmium battery, unlike a lead-acid battery, was relatively compact for the amount of useful energy it stored. It could also withstand repeated charging and discharging without the same degree of deterioration that affected many early rechargeable batteries.
Another Way Nickel-Cadmium Batteries Were Successful
Another important way that nickel-cadmium batteries became successful was their ability to operate in a wide range of conditions.
Nickel-cadmium batteries could continue working in cold environments, where some other battery types performed poorly. They were also capable of delivering a strong current when required.
These Qualities Made The Technology Attractive
These qualities made the technology particularly attractive for applications, where reliability mattered more than the lowest possible cost. Over time, improvements in electrode design, manufacturing methods and materials made nickel-cadmium batteries more practical too.
The batteries were also remarkably tolerant of demanding use. They could charge relatively quickly, store for periods of time, and then return to service for many years of use.
This combination gradually changed the nickel-cadmium battery from an interesting laboratory invention into a dependable industrial power source.
But Its Success Would Depend On Finding Applications
Its success would depend on finding places where these qualities really mattered. During the decades that followed, nickel-cadmium batteries began appearing in industries, and transport systems. And also specialized equipment where dependable rechargeable power was worth paying for.
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