Energy-dispersive x-ray spectroscopy (EDX or EDS) is an analytical technique used for determining the elemental composition of materials. It works by detecting the characteristic X-rays emitted from a sample when it is bombarded with an electron beam, allowing researchers to identify and quantify the elements present. This method is particularly useful in providing insights into the composition of materials during processes like battery operation, where understanding changes in elemental distribution can enhance performance analysis and failure investigation.
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