The electrochemical reactors disclosed herein provide novel oxidation and reduction chemistries and employ increased mass transport rates of materials to and from the surfaces of electrodes therein.

A lithium-containing oxide has one of the following parent compositions: Li2-zSbCl3O2, where z ranges from 1 to 1; Li2-zSb2Cl10O, where z ranges from 1 to 1; Li1-zSb(ClO)2, where z ranges from 0.5 to 0.5; or Li6-zSbCl3O4, where z ranges from 0.5 to 0.5. A lithium solid-state battery includes an anode, a cathode, and a solid electrolyte, wherein the solid electrolyte includes the aforementioned lithium-containing oxide. Also, a solid-state battery includes an anode, a cathode, and a solid electrolyte, wherein at least one of the anode and the cathode is coated with a coating which includes the aforementioned lithium-containing oxide.