A startup that’s recently been spun off from MIT — SolidEnergy — is making materials for lithium ion batteries for electric cars that could make them cheaper, less flammable in the event of an accident, and capable of holding more energy, according to MIT Tech Review. The company, which has developed a lithium-metal electrode (instead of graphite) and combined that with a safer electrolyte, plans to sell its materials to battery makers. It has raised a round of venture funding and is working with battery maker A123 Systems.

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