Bosch Believes Small Explosions Will Make EVs Safer in Accidents

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【Summary】More specifically, tiny explosions would reduce the possibility of an electric cable that's connected to the EV's battery coming into contact with the car's body, electronics, or other wires to reduce the risk of an electronic shock.

Original Vineeth Joel Patel    Oct 07, 2019 9:00 AM PT
Bosch Believes Small Explosions Will Make EVs Safer in Accidents

Compared to gasoline-powered cars, electric vehicles are a lot more complicated. There's more wiring, more electricity, more electronics, more components, and more going on. In crashes, we've seen electric vehicles burst into a massive ball of flame . The components in electric vehicles are more prone to being punctured and, when exposed to open air, resulting in a flame that's hard to put out. While batteries have become a component for consumers to worry about, Bosch believes that an EV's wiring is also a troubling area.

Explosions As Another Precautionary Measure
In gasoline cars, an accident could see a fuel tank rupture, leading to a fire. When there's an EV involved, there's the battery, wiring, and electric systems. While most electrified vehicles have systems that can shut off electricity to vital components, Bosch believes that EVs have to have more. If an EV's wires were to get damaged or become severed in an accident, the wires could transfer a whole bunch of electricity to the car's body, making it a dangerous hazard.
Going forward, Bosch wants electric cars to have semiconductors that are directly integrated into the vehicle's electrical system. The conductors will also be digitally linked to the car's airbag sensors. When the sensors are triggered, the semiconductors set off tiny explosions that cut high-voltage cables and severs their connection to the battery. This reduces the risk of high-voltage wires getting into contact with other parts of the vehicle.

Lifesaving Tech For EV Owners
Bosch's system sounds like a no-brainer for automakers. It would add another level of safety and peace of mind for EV owners. It also wouldn't be too difficult for manufacturers to integrate into their own vehicles. Bosch claims the explosives are as small as a fingernail and weigh just a few grams. So, they wouldn't take up a lot of room or add a lot of weight to the vehicle.
While Bosch believes that its simple system could help save lives, Karl-Heinz Knorr, vice-president of the German firefighters association, believes all EVs should come with the systems.
"Faced with the growing number of electric vehicles that could potentially be involved in collisions, such systems are absolutely essential if we are able to fulfill our mission of helping and rescuing victims of road accidents as rapidly and safely as possible," said Knorr.
Bosch isn't in the automaking industry, but in the components and technology market. So while the company can come out with all sorts of cool technology, it's up to automakers to actually incorporate them into vehicles.

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