One cartridge should generate “enough electricity ... Even given the fancy plastic casing, it’s still better than lithium-ion batteries, which come in around 260 Wh/kg at best.
A normal cartridge has a battery backup for save data, but using a small coin cell to run an STM32 would kill the battery quickly. To get around that, the cartridge writes the states to ...
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Toyota's portable hydrogen cartridges look like giant AA batteries – and could spell the end of lengthy EV chargingThe concept involves hydrogen cartridges that are compact and light enough to be carried by hand, with one model wearing what looks like an oversized AA battery on his back in a specially design ...
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