ARGONNE, Illinois, Nov. 1 -- The U.S. Department of Energy's Argonne National Laboratory issued the following news release: * * * Technique characterizes degradation in commercial-grade pouch battery cells while they operate for long periods * * * By Michael Matz Researchers at the U.S. Department of Energy's (DOE) Argonne National Laboratory have developed and demonstrated an innovative set of methods to evaluate long-term aging in real-world battery cells. The methods, described in a rece  more