CAREER: Optimizing Power Processing for Heterogeneous Energy Storage Systems

职业：优化异构储能系统的功率处理

• 批准号: 2146490
• 负责人: Al-Thaddeus Avestruz
• 金额: $ 50万
• 依托单位: Regents of the University of Michigan - Ann Arbor
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2022
• 资助国家: 美国
• 起止时间: 2022-02-15 至 2027-01-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2146490&HistoricalAwards=false
• 关键词: CAREER; Optimizing; Power; Processing; Heterogeneous

This NSF CAREER project aims to enable widespread and equitable access to sustainable power and energy through sustainable energy storage. Globally, the number of used EV batteries is rising exponentially together with the need for stationary energy storage, which is a concern for sustainability. The project will bring transformative change to the techno-economic feasibility of using retired batteries from electric vehicles (EV) for stationary battery energy storage (BESS) for grid and EV fast charging applications. This will be achieved by dramatically reducing the cost of power processing within a second-use battery energy storage system (2-BESS), which is currently a significant portion of the total cost. The intellectual merits of the project include building the foundation of theory, algorithms, and hardware for a new method for using and optimizing power processing in battery energy storage systems consisting of second-use (2U) EV batteries. The broader impacts of the project include widespread penetration of renewable energy sources while maintaining a more robust grid and reducing the cost of energy, equitable access and energy justice through affordability, availability, and sustainability; faster proliferation of EVs by reducing the cost of fast charging by buffering the energy and reducing the potential cost of grid upgrades and peak demand charges; and providing high-quality and effective, remote/distance learning to a workforce that may be vulnerable to changing technology and manufacturing landscapes, global crises (like pandemics), and shifting socio-economics.Although second-use (2U) EV batteries contain approximately 80% remaining capacity, the challenge in their cost-effective use is the diversity in their characteristics that include different drive and temperature cycles while in the EV and potentially different chemistries. This results in a significant variation or heterogeneity in their energy and power capabilities, and their degradation rates. The current state of the art in handling the heterogeneity is to use one power converter at the output of every battery, leading to higher cost and power losses. The research in this project will address: (1) a design and optimization framework for power processing with few dissimilar converters at lower power ratings; (2) optimal control of 2-BESS in a new power processing architecture.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

NSF CAREER项目旨在通过可持续能源存储实现可持续电力和能源的广泛和公平获取。在全球范围内，二手电动汽车电池的数量正在呈指数级增长，同时对固定储能的需求也在增长，这是一个可持续发展的问题。该项目将为电动汽车（EV）退役电池用于电网和EV快速充电应用的固定电池储能（BESS）的技术经济可行性带来变革。这将通过大幅降低二次使用电池储能系统（2-BESS）内的电力处理成本来实现，目前这是总成本的重要部分。该项目的智力价值包括为一种新方法建立理论，算法和硬件基础，用于使用和优化由二次使用（2U）EV电池组成的电池储能系统中的功率处理。 该项目的更广泛影响包括可再生能源的广泛渗透，同时保持更强大的电网，并通过可负担性，可用性和可持续性降低能源成本，公平获取和能源正义;通过缓冲能源降低快速充电成本，减少电网升级和峰值需求收费的潜在成本，加快电动汽车的扩散;并为可能易受不断变化的技术和制造业格局、全球危机虽然二次使用（2U）EV电池包含约80%的剩余容量，它们的成本有效使用的挑战是它们的特性的多样性，包括在EV中的不同驱动和温度循环以及潜在的不同化学性质。这导致它们的能量和功率能力以及它们的退化速率的显著变化或异质性。 处理异质性的现有技术是在每个电池的输出处使用一个功率转换器，导致更高的成本和功率损耗。 该项目的研究将涉及：（1）在较低额定功率下，采用较少不同转换器的功率处理设计和优化框架;（2）在新功率处理架构中对2-BESS进行优化控制。该奖项反映了NSF的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。

项目成果

Lite-Sparse Hierarchical Partial Power Processing for Heterogeneous Degradation of Batteries in Energy Storage Systems

用于储能系统中电池异质退化的轻稀疏分层部分功率处理

• DOI: 10.1109/ecce50734.2022.9948157
• 发表时间: 2022
• 期刊: 2022 IEEE Energy Conversion Congress and Exposition (ECCE
• 作者: Ramyar, Alireza;Xu, Wentao;Cui, Xiaofan;Siegel, Jason;Stefanopoulou, Anna;Avestruz, Al-Thaddeus
• 通讯作者: Avestruz, Al-Thaddeus

Lite-Sparse Hierarchical Partial Power Processing for Second-Use Battery Energy Storage Systems

用于二次电池储能系统的精简稀疏分层部分功率处理

• DOI: 10.1109/access.2022.3201132
• 发表时间: 2022
• 期刊: IEEE Access
• 影响因子: 3.9
• 作者: Cui, Xiaofan;Ramyar, Alireza;Mohtat, Peyman;Contreras, Veronica;Siegel, Jason B.;Stefanopoulou, Anna G.;Avestruz, Al-Thaddeus
• 通讯作者: Avestruz, Al-Thaddeus