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Electric cars meet many different needs. Electric vehicles are first of all a mode of transportation, a green and environmentally friendly way from point A to point B. Because they have no emissions, they are a victory for the environment. They are also an important step towards eliminating the global fleet that relies on fossil fuels.

Image source: Amphenol Advanced Sensor

Electric cars bring an additional selling point, which their predecessors used internal combustion engines (ICE) did not have: the main portable power source. This doesn't just mean using electric cars as a source for charging mobile phones.

Thanks to advances in battery technology and storage capacity, electric cars will store energy in the battery wherever they go.

The stored energy is enough to power a house for a few days and can be used as a mobile generator set that can generate electricity without the noise and complexity of a gasoline generator.

Electric vehicle battery packs use complex sensor control and energy management systems as mobile power sources to obtain power from the local grid. They can also push energy back to the grid and can provide A/C plug power directly from their batteries and inverters.

Electric vehicles have opened new doors for remote and emergency power sources, which are durable, safe and efficient when used in conjunction with appropriate sensor technology.

EV batteries provide clean and quiet electricity anytime and anywhere, and in many cases, no special tools or training are required, which is not possible with internal combustion engine car engines.

Electric vehicle batteries provide power to places where there is no functional power source, just like generators. EV battery packs can be used in many applications, including:

Electric vehicles need to be monitored when supplying power, just like when receiving power. 

Regardless of the direction of energy flow in the EV battery pack, the first issue is responsive thermal management. When an electric vehicle is used as a power source, the electric vehicle sensor can maintain peak battery performance and provide information about system current, voltage, and critical temperature. 

EV transformers, inverters and batteries operate optimally within a temperature range of 15-45 °C. Outside this range, the battery may lose efficiency. 

Overheating is a major problem in the thermal management of electric vehicle batteries, regardless of whether the battery provides power or receives power. EV batteries and inverters both generate heat when charging vehicles and powering vehicles, especially when converting electrical energy from one form to another (for example, A/C to D/C). 

If the temperature in the battery exceeds 70 °C, internal degradation will occur; this will release flammable gases and may cause thermal runaway. Once it starts, thermal runaway will spread and it is difficult to stop.

Sensor technology actively maintains the participation of the battery pack's thermal management system during the entire power transmission process. 

The sensor monitors the performance of other components of the battery pack cooling system and can alert users to electrolyte or coolant leaks, water ingress, or other failures that may not be noticed at an early stage. 

More advanced sensors can enhance real-time monitoring of the thermal management system, and even send text messages to car owners when problems occur. 

However, preventing temperature peaks is only part of the thermal management of EV batteries used as mobile power sources. EV batteries need to reach at least 15 ℃ to work properly in a cold environment. 

Electric vehicle sensors can activate internal heating elements to bring the system to the lowest operating temperature, just like turning on the cooling system of an electric vehicle battery pack. 

Electric vehicles represent the combination of transportation and technology, and have opened up new horizons in the mobile field, bringing functions that were not previously possible with internal combustion engine vehicles. 

Electric vehicles take versatility to a new level and are not just a means of moving objects and people between destinations. With the help of sensor technology, the additional functions of the EV and its battery pack (such as providing mobile power solutions) are safe and reliable.

This information is derived from materials provided by Amphenol Advanced Sensors and has been reviewed and adapted.

For more information on this source, please visit Amphenol Advanced Sensors.

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