Featured in Europe's PV heavyweights – 06-2014

The trouble with aging

Battery storage systems: When it comes to the service life of batteries, there are many illusions. It could be a mistake to risk, or even to plan, that batteries will have to be replaced after ten years. Armin U. Schmiegel from Bosch Power Tec explains why.

The duration of a lithium-ion battery is key to the economic efficiency of photovoltaic systems. At the same time, this duration typically represents a significant unknown because of missing or incomplete manufacturer specifications. It is therefore all the more important to be familiar with the two aging mechanisms of cycle aging and calendar aging. Calendar …

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