In batteries for electric vehicles will start to use sea water

In batteries for electric vehicles will start to use sea water

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IBM has developed a new type of battery that has no heavy metals.

In the laboratory, IBM Research has developed a new type of battery that has no heavy metals like cobalt and Nickel. Instead, they use special materials obtained from sea water.

First tests of the new batteries have confirmed theoretical conclusions about their possible optimization for use instead of the traditional lithium-ion. Moreover, these batteries are in all respects better: faster charging rate, greater density of energy storage, higher power, lower the risk of fire and cost. In addition, the transition to production of cathode chemistry of sea water will allow to refuse from “dirty” from the point of view of ecology methods for the extraction of Nickel.

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IBM did not disclose what materials have become substitutes for heavy metals, but it is known that they found through the use of technology “semantic enrichment”. It is based on artificial intelligence and machine learning methods that help researchers to test hypotheses, while simultaneously processing the results of millions of experiments.

A prototype battery could charge to 80 percent within five minutes; its efficiency was more than 90 percent; density of energy storage relative to the volume — 800 watt-hours per liter, and specific power of 10 000 watts per liter.

Previously, the French startup NAWA Technologies showed a prototype electric motorcycle with a hybrid battery consisting of lithium-ion cells and supercapacitors (ultracapacitors) of the next generation. The revolutionary design of NAWA ten times more powerful and able to store five times more energy than existing methods.

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