This invention provides an iodine cell in which a composition obtained by including a carbon such as carbon black and graphite in dispersed form in a composition comprising iodine and a polymer having the ability to form {HEAD ~ a complex adduct} with it, said {TAIL ~ polymer fixing iodine}, is used as a positive electrode material and preferably a cation exchange membrane is used as a separator 
This invention provides an iodine cell in which a composition obtained by including a carbon such as carbon black and graphite in dispersed form in a composition comprising iodine and a polymer having the ability to form { HEAD ~ a complex adduct } with it , said { TAIL ~ polymer fixing iodine } , is used as a positive electrode material and preferably a cation exchange membrane is used as a separator
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