Patent ID: 8658311

Claim:
A high temperature rechargeable battery system for decomposition of oxygen-containing gases such as NO x , SO 2 , H 2 O, CO 2 , in particular greenhouse gas (GHG), oxygen generation and energy storage is invented by introducing an oxygen-deficient ferrites (M x Fe 3-x O 4-5 , M represents a bivalent metal ion, in particular Fe(II), Cu(II), Co(II), Mn(II) or Ni(II)) and/or La 2 NiO 4 -based materials into rechargeable Li/Ti/Mg—CO 2 batteries, wherein during discharge of the battery, oxygen-containing gases like GHG can be decomposed into syngas (CO+H 2 ) or solid carbon while renewable energy such as solar or wind energy can be used to charge the battery and generate pure oxygen.