High-voltage electrochemical impedance spectroscopy

电化学阻抗谱（EIS）是一种强大的技术，其使得能够表征和 电化学电池如电池和燃料电池的诊断。有可用的EIS系统 它们通常可以在商业上用于单细胞的阻抗测量，并且它们通常可以扩展有附加的 硬件来测量电池堆中一组多达32个电池的阻抗。然而，对于许多商业和 在诸如汽车应用的工业应用中，电池堆可以由数百个串联的电池组成。一个 EIS系统，能够测量和表征单个细胞以及组的阻抗 在这种大的堆中的大量电池将在这些装置的开发中是有用的。在这 研究，我们将与Greenlight Innovation合作开发他们的EIS测量技术， 一大堆本项目的目标是调查和开发可靠的和商业上可行的 大型烟囱的EIS测量技术，并开发一个概念验证原型系统， 允许测试大电池堆内的不同数量的电池。

Electrochemical impedance spectroscopy (EIS) is a powerful technique that enables characterization and diagnostics of electrochemical cells such as batteries and fuel cells. There are EIS systems available commercially for impedance measurement of single cells, and they can be typically extended with additional hardware to measure the impedance of a group of up to 32 cells in a stack. However, for many commercial and industrial applications, such as automotive applications, the stacks can consist of hundreds of cells in series. An EIS system that is capable of measuring and characterizing the impedance of individual cells as well as groups of large number of cells in such a large stack would be useful in the development of these devices. In this research, we will work with Greenlight Innovation in developing their technology for EIS measurement of large stacks. The objectives of this project are to investigate and develop reliable and commercially viable techniques for EIS measurement of large stacks, and to develop a proof-of-concept prototype system that allows testing different number of cells within a large stack of cells.