Ohio State University Researchers Develop Gamma Ray-Powered Battery
Researchers at Ohio State University have created a groundbreaking battery that converts gamma rays from nuclear waste into electricity using a scintillator crystal and a photovoltaic cell. Measuring just 4 cm³, the device generates up to 1.5 microwatts, making it suitable for autonomous sensors in challenging environments, and boasts advantages such as no radioactive materials and potential decades of operation without recharging. While promising for applications near reactors or in space, further enhancements in efficiency and size are needed for broader industrial use.
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Researchers at Ohio State University have developed an innovative battery that converts gamma rays from nuclear waste into electricity. The process involves a scintillator crystal that transforms ionizing radiation into visible light, which is then captured by a miniature photovoltaic cell.
Currently, the device measures 4 cm3 and can produce up to 1.5 microwatts, sufficient for autonomous sensors in hostile environments. Key advantages include the absence of radioactive materials within the battery and the potential for decades of operation without recharging. The technology could be used in specific applications such as near reactors or on space probes, although further improvements in efficiency and battery size are needed for industrial use.
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