In 1954, Bell Labs scientists Daryl Chapin, Calvin Fuller and Gerald Pearson unveiled a solar battery that helped advance solar-powered technology

Economic Times - Nov 11, 2026

On April 25, 1954, Bell Telephone Laboratories made a significant breakthrough by introducing a solar battery designed to power telephone systems. The focus was on enhancing efficiency, enabling solar cells to transform 6% of sunlight into usable electricity. While it started as a specialized technology, solar energy has seen remarkable adoption, with projections suggesting that by 2026, it will represent a major share of new energy production.

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