An Overview of Peak Power Benchmark Methods for Lithium-Ion Battery

With the high proportion of renewable energy into the gird, energy storage systems are urgent to provide a flexible electricity usage. The power capability is a critical index to reflect the maximal inertia of the Lithium-ion (Li-ion) battery-based energy storage devices when stabilizes the power system. Different benchmark methods have been existed in literatures for measuring or evaluating the peak power of a Li-ion battery from various aspects, which hinders to find a suitable solution for a specific application. In this thread, this paper provides an overview of the recently progresses in the peak power test benchmark methods of the Li-ion battery from both academic and industrial fields, and summarizes the main pros and cons of each method. The discussion and analysis in this work could provide a reference for the selection of a suitable test method for the peak power of Li-ion battery based application.