Additional cooling and fire-fighting systems are installed to prevent and contain any thermal related events. A power control system informs the inverter when to charge and discharge batteries. A BESS typically includes a power conversion system, otherwise known as an inverter, which includes bi-directional power electronics used to charge and discharge the battery simultaneously. For a battery to function efficiently it needs additional components. The term BESS, or battery energy storage system, refers to a system that is more than just a battery. What is a “battery energy storage system”? There is little incentive for manufacturers to have details about their manufacturing processes published in any form. Manufacturing and manufacturing quality, however, is typically an in-house secret of each manufacturer – and often exposes clear differences between manufacturers even when using the same chemistries. Matching of the most suitable battery chemistry to the application is a topic that can be simulated and discussed with modern computing tools. The cause for this is likely that cell chemistry and geometry can easily be discussed based on the multitude of information available in the public domain. Manufacturing quality is one of the most critical factors, but also least discussed. More often it is one of the other five factors. It is the most visible characteristic, but the actual performance of battery systems in real-world applications seldom depends to a large degree on the cell chemistry. In truth, battery performance is affected by not just one, but up to five primary factors: cell chemistry, cell geometry, manufacturing quality, matching technology to application, and system integration.Ĭell chemistry is considered to be the “tip of the iceberg”. For example, whether a lithium iron phosphate battery is safer than a lithium-nickel-manganese-cobalt battery. However, most of these discussions tend to put an excessive emphasis on the chemistry of the cells in the batteries.
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