Patent ID: 8916292

Claim:
A positive electrode for a lithium rechargeable battery comprising: a positive electrode collector; and a positive electrode active material layer formed on at least one side of the positive electrode collector, the positive electrode active material layer comprising: a positive electrode active material that includes a lithium compound which intercalates and deintercalates a lithium ion, the positive electrode active material including a lithium compound selected from the group consisting of Li x Mn 1-y M y A 2 , Li x Mn 1-y M y O 2-z X z , Li x Mn 2 O 4-z X z , Li x Mn 2-y M y M′ z A 4 , Li x Ni 1-y M y A 2 , Li x Ni 1-y M y O 2-z X z , Li x Ni 1-y Co y O 2-z X z , Li x Ni 1-y-z Co y M z A a , Li x Ni 1-y-z Co y M z O 2-a X a , Li x Ni 1-y-z Mn y M z A a , and Li x Ni 1-y-z Mn y M z O 2-a X a , where 0.9≦x≦1.1, 0≦y≦0.5, 0≦z≦0.5 and 0≦a≦2; each of M and M′ is one selected from the group consisting of magnesium (Mg), aluminum (Al), cobalt (Co), potassium (K), sodium (Na), calcium (Ca), silicon (Si), titanium (Ti), tin (Sn), vanadium (V), germanium (Ge), gallium (Ga), boron (B), arsenic (As), zirconium (Zr), manganese (Mn), chromium (Cr), iron (Fe), strontium (Sr), and the rear-earth elements; A is one selected from the group consisting of oxygen (O), fluorine (F), and sulfur (S); and X is one selected from the group consisting of fluorine (F), and sulfur (S); a binder; a surfactant including one selected from the group consisting of soap, alcohol sulfate ester salt, and alkyl/alkylaryl sulfonic acid salt; and an organic solvent dispersing the positive electrode active material, the binder and the surfactant.