In a rechargeable lithium ion battery lithium ions move from the negative electrode to the positive electrode during discharge, and back when charging. Current production cells have an energy density ~280Wh/kg. The cathode is a lithium transition metal oxide, eg manganese or cobalt or a combination of transitional metals:. Analogous to the lithium-ion battery but using sodium ions (Na+) as the charge carriers. The working of the sodium based chemistry and cell construction are almost identical with those of the. The Lead Acid Battery is a battery with electrodes of lead oxide and metallic lead that are separated by an electrolyte of sulfuric acid. Energy. Any battery technology that uses solid electrodes and solid electrolyte. This offers potential improvements in energy density and safety, but has very significant challenges with cycling, manufacturing and durability of the solid sandwich. There are many other types of. The Nickel Metal Hydride battery has a nickel-hydroxide cathode, a metal hydride (a variety of metal alloys are used) anode, and aqueous potassium hydroxide electrolyte. This is a rechargeable battery chemistry that has been superseded by lithium ion, but has seen a.