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Acoustic Emission And X-Ray Diffraction Techniques For The In Situ Study Of Electrochemical Energy Storage Materials, Kevin James Rhodes
Acoustic Emission And X-Ray Diffraction Techniques For The In Situ Study Of Electrochemical Energy Storage Materials, Kevin James Rhodes
Doctoral Dissertations
Current demands on lithium ion battery (LIB) technology include high capacity retention over a life time of many charge and discharge cycles. Maximizing battery longevity is still a major challenge partly due to electrode degradation as a function of repeated cycling. The intercalation of lithium ions into an active material causes the development of stress and strain in active electrode materials which can result in fracture and shifting that can in turn lead to capacity fade and eventual cell failure. The processes leading to active material degradation in cycling LIBs has been studied using a combination of acoustic emission (AE) …