If operating strategies are linked to individual cell voltages, this logically means having to equip mass-produced vehicles with an appropriate monitoring system. Many car manufacturers are indeed thinking along these lines.
One of the basic prerequisites for integrating CVM systems into vehicles is an extremely compact design as the space available under the bonnet is generally at a premium. It is also advisable to accommodate the monitoring unit as closely as possible to the fuel cell stack to minimise measurement signal interference from external sources. The electronics can however only be installed at or on a fuel cell stack if the CVM system is capable of operating reliably in an extended temperature range up to 95°C. This is due to the fact that, for safety reasons, the fuel cell stacks are encapsulated in specially ventilated enclosures, which leads to elevated operating temperatures inside the stack housings. The system also has to be extremely robust and operate faultlessly even when subjected to vibration.
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