The invention provides a cathode active material that includes: a particle containing a cathode material capable of absorbing and releasing an electrode reactive material; and a film that is disposed at least partially to the particle and contains a metal salt represented by a formula. It is composed of two feedback loops, each with feedback and forward-loop compensators. The security server transmits the calculated one-time-password for application as the user’s signature on the transaction. When probe and groove insert are retracted together, they firmly engage against the distal bone wall. The catalytically active material is particularly suitable for producing dioxin andor furan catalytic converters.