Interfacial component detection apparatus and method therefor.

摘要

An interfacial component detection apparatus having a plurality of electrodes disposed away from one another in a first solid portion and a solid electrolytic layer formed in the first solid portion adjacent to an interfacial layer to cover the plurality of electrodes. Furthermore, the apparatus has an I/O device for applying an electrical signal between at least two electrodes and detecting electrical signals from the electrodes. An interfacial component detection method comprising a step in which electrical signals having different frequencies, a predetermined voltage electrical signal or a predetermined current electrical signal is applied between the electrodes so that components of an interfacial layer are detected in accordance with the obtained frequency dependency of the impedance, current-time characteristics or voltage-time characteristics. Therefore, interfacial components can be accurately and reliably detected while exhibiting an excellent reproducibility.