Case study: Importance of per-cell temperature monitoring to maximize battery safety

In typical battery storage systems, economic and packaging constraints significantly impact the number of temperature sensors that can fit in a battery pack. Although certain packaging setups may enhance the distribution of temperature sensors, the majority of cells will still lack sensors and depend on heat propagation between adjacent cells for detection.

Dukosi’s solution places a Cell Monitor, which includes a built-in temperature sensor, on every cell in the battery pack. This approach increases the number of sensors within the battery without the limitations of alternative architectures, allowing for much earlier detection if any cell exceeds safe temperature operation.

Case Study: Dukosi x NMP

Dukosi and Nordic Marine Power collaborated to analyze the effect of heat propagation in a cell module, and the benefit of monitoring the temperature of every cell.

This case study examines the live experiment, arranged by NMP, which used eight prismatic, lithium-ion cells equipped in a typical marine application integration. The cells were packaged as a contiguous block, and the voltages and temperatures were recorded in real time.