A cathode that includes manganese dioxide and relatively small particles of nonsynthetic, nonexpanded graphite is disclosed. The graphite particles can have an average particle size of less than 20 microns. The cathode can be used in an electrochemical cell, such as a battery. ...http://www.google.com.au/patents/US20030079337?utm_source=gb-gplus-sharePatent US20030079337 - Battery cathode
