磷酸铁锂电池在光伏发电中的应用

Application of ferric phosphatc lithium battery in photovoltaic power generation

高性能的储能电池对光伏产业的发展至关重要。相比于铅酸电池,磷酸铁锂电池具有比能量高、储能效率高、循环寿命长、使用成本低等优势。利用该类型锂电池作为储能装置,可把能源效率提高至90%左右,因此非常适合用作新能源储能装置。就常规性能、储能特性等方面将铅酸电池和磷酸铁锂电池作了对比。在分析了将磷酸铁锂电池用作光伏系统储能装置的可行性的基础上,设计了相应的光伏发电储能系统。

High-performance energy storage batteries are eessential for the development of photovoltaic industry.Compared to lead-acid batteries,the ferric phosphatc lithium battery has many advantages such as high specific capacity,high energy storage efficiency,long cycle life,low cost and so on.Using this type of lithium battery as energy storage device,the energy efficiency can be increased to about 90％,so it＇s suitable for new energy storage device.The ferric phosphatc lithium battery and lead-acid battery were compared in the aspects of performance and energy storage characteristics.The corresponding photovoltaic power generation energy storage system was designed based on the analysis of the feasibility of the ferric phosphatc lithium battery used as energy storage device in PV systems.