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首页> 外文会议>2016 5th International Conference on Informatics, Electronics and Vision >Comparison of lead acid and Li-ion battery in solar home system of Bangladesh
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Comparison of lead acid and Li-ion battery in solar home system of Bangladesh

机译：孟加拉国太阳能家庭系统中铅酸和锂离子电池的比较

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Different technical issues regarding the use of Li-ion and lead acid battery in solar photovoltaic system is presented in this study. Economic comparison for using these two types of batteries in solar home system (SHS) of Bangladesh is also presented in terms of net present cost (NPC). Li-ion batteries, especially LiFeSO4 batteries, are technically more advantageous for use in intermittent solar photovoltaic system than conventional lead acid battery. Fast charging rate, high energy density, extended cycle life, low maintenance are advantages of Li-ion batteries compared to lead acid batteries. At present main disadvantage of Li-ion batteries is its high capital cost. From HOMER (an micro-grid simulation software) it is found that instead of high cycle life and maximum depth of discharge (DOD) of Li-ion batteries than lead acid ones, NPC of SHS with Li-ion battery is higher than that of system with lead acid battery if project lifetime is less than 5 years. For project lifetime greater than 5 years, NPC of Li-ion based system is comparable to lead acid system. Moreover, for small size of systems using Li-ion batteries in SHS is economical than lead acid batteries. As system size increases, use of Li-ion battery in SHS becomes costlier than lead acid battery. Environmental effect of two considered types of batteries is also discussed here.
机译：这项研究提出了有关在太阳能光伏系统中使用锂离子和铅酸电池的不同技术问题。还根据净现值（NPC）提出了在孟加拉国的太阳能家用系统（SHS）中使用这两种类型的电池的经济比较。锂离子电池，尤其是LiFeSO4电池，在技术上比常规的铅酸电池更适合用于间歇式太阳能光伏系统。与铅酸电池相比，锂离子电池的优点是充电速度快，能量密度高，循环寿命长，维护成本低。目前，锂离子电池的主要缺点是其高昂的投资成本。从HOMER（微电网仿真软件）发现，与铅酸电池相比，锂离子电池的SPC的NPC高于铅酸电池的高循环寿命和最大放电深度（DOD），而不是铅酸电池。如果项目寿命少于5年，则使用铅酸电池的系统。对于超过5年的项目寿命，基于锂离子的系统的NPC可与铅酸系统媲美。而且，对于在SHS中使用锂离子电池的小型系统而言，它比铅酸电池更经济。随着系统尺寸的增加，在SHS中使用锂离子电池的成本要高于铅酸电池。本文还将讨论两种考虑类型的电池对环境的影响。

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