48. Which of the following statements about the lithium ion batteries used in electronic devices and electric cars is false? (A) Typically, the electrolyte used in Li-ion batteries is aqueous solution of lithium salt. (B) The graphite anode can rapidly and reversibly intercalate Li atoms. (C) LiCoO2 and LiFePO4 are commonly used cathode materials. (D) A Li-ion battery has higher gravimetric energy density than a lead-acid battery. (E) A Li-ion battery has higher volumetric energy density than a lead-acid battery.