That depends on the type of battery. There are nickel cadmium, lithium, lead acid,
Materials for electrodes in chemistry: platinum, iron, graphite, etc.
Nickel
(ni)
The most common is copper.
Platinum.
Lithium
Lithium
Lead
the answer is zinc
Lithium. Lithium has low density and is 3rd element in periodic table with mass of 6.941 g/mol. Lithium is used in different types of batteries, such as lithium-ion(Lion), Lithium-polymer(LiPo). Both are rechargeable.
Lithium
Lithium
Lithium
oxide
Nickel
lithium ion
Lithium
Lithium
Some batteries need lithium some just have alkali
Lead.
Lead
the answer is zinc