It was noted at the earlier study and at the longer observations of the novel various types of superstoichiometric fluorocarbon materials CF_(1+x), where x chemical bounds 0.1-0.33 (FCM) and their behavior, that depsite of their known hygroscopity during a storage of samples in laboratory and technological utensils nevertheless occurs an appreciable sorption of atmospheric moisture. The color of samples does not change but sometimes there is appears a smell of hydrogen fluoride and even corrsoion of glasswares at a long storage. On the basis of these facts was assumed that at a long storage the slow reactions of HF producing with a sorption moisture can proceed. This phenomena is necessary to take into account for successful manufacuturing of long life lithium cells based on superstoichiometric fluorcarbon composite composite cathodes (FCC).
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