跨国电力公司Engie在荷兰的鹿特丹启动了一个新的并网储能项目。这一项目利用二次寿命(second-life) 电动车(EV)电池为输配电公司TenneT提供电网平衡服务。
项目的第一阶段规模为150 kW/90kWh。Engie的工程师们通过一个新的系统架构,安置了一系列的二次寿命电动车电池,在增加功率和容量的同时,降低了成本。而这一由能源存储技术公司Connected Energy开发、被命名为E-Stor的系统,在通过初始阶段评审后,将被大规模地部署在北欧地区的众多其他地点。
项目的第二阶段和第三阶段将分别在2019年初和年底启动。第二阶段的额定功率预计为1兆瓦,第三阶段容量将更大,但具体规模目前不详。
Connected Energy公司产品的特点是,使用电池组自身的管理系统,单独控制每个电池组。通过这种方式,可以相应地监控和操纵各电池组的健康状态、充电和热量等参数,从而使每个电池的产能利用率获得了优化。
除了提供电网频率控制服务外,E-stor系统电池还能够提供其他的电网服务,如运行储备和主要控制等。
曾有一份发布于今年初的报告指出,二次寿命EV电池市场目前正在经历着滚雪球般地膨胀,据估计,运用于储能系统中的二次寿命电池在2025年可能达到42GWh的容量。该报告还强调,其制造工艺在进行了与标准化相关的改进后,能以较低的成本实现这种二次寿命电池的使用,从而能进一步增加市场利益相关者的收益。
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