Who invented the first fuel cell in 1838, utilizing an electrochemical process with hydrogen and oxygen?

Answer

Sir William Grove

Demonstrating an early intellectual pursuit of harnessing chemical energy through precise, engineered reactions, Sir William Grove invented the first functional fuel cell in 1838. This apparatus operated through an electrochemical process involving hydrogen and oxygen, rather than combustion. Although this technology was far removed from the immediate industrial needs of the 19th century—which were focused on lighting via gas or mechanical power via liquid fuels—the concept proved foundational, eventually underpinning later developments such as those utilized in NASA programs. This invention predates the widespread use of manufactured gas, kerosene, and the modern liquid fuel era.

Who invented the first fuel cell in 1838, utilizing an electrochemical process with hydrogen and oxygen?
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