| In Since the 20 th century,problems such as environmental pollution and resource shortage have become increasingly severe.More and more countries have begun to attach importance to energy conservation,emission reduction and low-carbon economy.Lithium-ion batteries can be widely used in new energy industries such as electric vehicles and electric energy storage due to their environmental protection,pollutionfree,high energy efficiency,and independence from fossil energy.However,there are many types of lithium-ion batteries,and different application scenarios have different requirements for battery performance.In addition,the lithium-ion battery system also needs to cooperate with an accurate and reliable battery management system to ensure its own safe and stable operation and give full play to battery performance.Therefore,this article takes lithium-ion battery and battery management system as the research object,deeply studies the performance of lithium-ion battery and battery management system requirements in different application scenarios,and puts forward corresponding suggestions based on the current development status of domestic and foreign companies in this application field.This article focuses on the analysis of popular applications of lithium-ion batteries with good market prospects and rapid development in the application of lithium-ion batteries,including power storage,power batteries and UPS;the development of domestic and foreign lithium-ion battery markets,industry policy standards,As well as lithium-ion battery manufacturers and battery management system manufacturers to conduct investigations and studies.By interpreting the domestic and foreign policy standards corresponding to a certain application scenario,analyzing the research and development trend of lithium-ion battery technology routes,and combining the current industrial field research on the development of major domestic and foreign companies,summarizing the cost,energy density,and discharge of lithium-ion batteries corresponding to different application scenarios Main performance index requirements such as magnification,safety and stability.Compare the specific performance and current development of different types of lithium-ion batteries to complete the most optimal type of lithium-ion batteries in different scenarios.In terms of battery management system,it analyzes core technologies such as battery modeling,SOC estimation,and battery balancing.List common algorithms for battery modeling,parameter identification,and state estimation,and common solutions for battery balancing,and compare the effects of algorithms or solutions in terms of cost,complexity,accuracy,advantages and disadvantages,etc.According to the performance requirements of lithium-ion batteries in different application scenarios,combined with market development and technical research on battery management systems,specific analysis and recommendations are provided for two types of lithiumion application scenarios,power storage and power batteries. |
