Development Status of Balanced Technology of Battery Management System of Electric Vehicle

Abstract

In order to solve the problem of lithium battery inconsistency and improve the service life and utilization rate of lithium batteries, it is always the focus of research in this field to use equalization technology to improve the above situation. Through reviewing the research progress of lithium ion battery equalization technology at home and abroad in recent years, two main types of equalization methods, namely active equalization and passive equalization, are introduced, and the characteristics of different methods of equalization techniques are introduced from the equalization circuit structure and the equalization strategy. The challenges facing the current equalization technology are identified, and the future research direction is presented.