电池储能温度-功率特性建模及其在综合能源系统中的应用  

Modeling of Temperature-Power Characteristics of Battery Energy Storage and Its Application in Integrated Energy System

作　　者：熊康 黎灿兵 樊飞龙 李新喜[2] 杨汶圣 Xiong Kang;Li Canbing;Fan Feilong;Li Xinxi;Yang Wensheng(School of Electronic Information and Electrical Engineering,Shanghai Jiao Tong University,Shanghai 200240,China;School of Materials and Energy,Guangdong University of Technology,Guangzhou 510006,China)

机构地区：[1]上海交通大学电子信息与电气工程学院,上海200240 [2]广东工业大学材料与能源学院,广州510006

出　　处：《电工技术学报》2024年第16期5238-5250,共13页Transactions of China Electrotechnical Society

基　　金：国家自然科学基金(51977062);上海市浦江人才计划(22PJ1405000)资助项目。

摘　　要：针对综合能源系统(IES)中电池储能在极端高温、低温下寿命衰减快、性能差的问题,该文提出含温度-功率特性的电池储能运行模型及含电池储能温度控制的IES低碳经济调度方法。通过电池特性实验和软件仿真,构建电池电热耦合模型,并提出相应的电热耦合模型凸化方法;根据凸化电池电热耦合模型估算电池温度并构建含温度-功率特性的电池储能运行模型,分析电、气、冷、热多能流耦合特性,构建IES低碳经济运行模型;结合电池储能运行模型及其温度控制,以最小化IES总运行成本为目标,构建混合整数规划模型,制定IES经济调度策略。为验证所提方法的效果,该文根据不同季节运行场景,构建仿真模型,将所提方法与不包含电池储能温度控制的方法进行对比。对比结果表明,所提方法可以有效提升电池储能运行的使用寿命、热安全性及利用率,降低IES运行成本与碳排放量。To mitigate the fluctuations of new energy output,battery energy storage is widely used in integrated energy system(IES).However,its performance and lifespan are significantly affected by temperature.Neglecting the influence of temperature on battery energy storage operations leads to several critical issues:(1)The charging and discharging power of the battery is constrained at extreme high temperature and low temperature,thereby preventing the full absorption of new energy output.(2)Extreme temperatures accelerate battery degradation,resulting in increased costs and reduced longevity.To address these challenges,it is necessary to study temperature-dependent charge/discharge characteristics and lifespan deterioration of battery energy storage under extreme temperature conditions and establish corresponding temperature-power and temperature-lifespan deterioration models,and then consider the above models in the optimal scheduling of the IES,so as to improve the thermal safety of battery energy storage and the ability to absorb new energy output,and reduce the lifespan loss of battery energy storage and system operating costs.This paper proposed a battery energy storage operation model with temperature-power characteristics and an IES low carbon economic dispatch method with battery energy storage temperature control.The key steps can be summarized as follows:(1)Convex Electric-Thermal Coupling Model:The study begins by constructing an electric-thermal coupling model through a combination of battery experiments and simulations.This model is further refined using convexity techniques.It accurately estimates battery temperature based on electric-thermal coupling,allowing for precise quantification of temperature-dependent power output and lifespan deterioration rates.(2)Battery Energy Storage Operation Model:The developed model encapsulates temperature-power and temperature-lifespan deterioration characteristics.Battery temperature estimation,derived from the electric-thermal coupling model,plays a pivotal role.This

关 键 词：综合能源系统 电池储能 温度特性 温度控制 优化调度 

分 类 号：TM74[电气工程—电力系统及自动化]