Creating Longer Lasting Lithium Batteries

Battery cells that use a conventional electrolyte crack after some use. Researchers found that using a novel electrolyte prevented most of this cracking and could boost capacity and cycle life.

via MIT

One promising approach is the use of metal electrodes in place of the conventional graphite, with a higher charging voltage in the cathode. Those efforts have been hampered, however, by a variety of unwanted chemical reactions that take place with the electrolyte that separates the electrodes. Now, a team of researchers at MIT and elsewhere has found a novel electrolyte that overcomes these problems and could enable a significant leap in the power-per-weight of next-generation batteries, without sacrificing the cycle life.

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