Building a better battery

(PhysOrg.com) -- “What we are trying to do is put different pieces of a puzzle together,” said Argonne National Laboratory scientist Daniel P. Abraham. The puzzle is a lithium-rich compound material, Li1.2Co0.4Mn0.4O2, that holds key insights into the development of more powerful and robust batteries for electric cars. Using a suite of advanced techniques, including the resources of the U.S. Department of Energy’s Advanced Photon Source at Argonne, Abraham and his colleagues have pieced together both the long-range and local structure of this compound, devising a model that could explain how such materials operate on the electrochemical level — and how to use them to build a better battery.

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