Li-Ion Batteries for Forensic Neutron Dosimetry
Technical Report,01 May 2011,30 Jun 2014
Radiation Monitoring Devices, Inc. Watertown United States
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Lithium-ion batteries are the common technology for powering portable electronics. The nuclear reactions within the batteries are sensitive to neutrons. By characterizing this dependence, neutron dose and fluence information can be determined. The dose information can be used on an individual basis to provide forensic information including evidence for exposure to special nuclear material or on a broad geographic scale, mapping out exposure conditions after a catastrophic nuclear event. The goals of the program primarily focus on the correlations of the incident neutron spectrum to isotopic changes within the battery. These changes can be determined by an activation analysis of long-lived radioactive elements created from neutron interactions.