Lithium-air, lithium-sulfur, and sodium-ion, which secondary battery category is more environmentally friendly and promising based …
The ecological footprint of the Li–S, sodium-ion and Li-air batteries are 189.40 Pt, 182.58 Pt and 29.84 Pt, respectively; the carbon footprint of the Li–S, sodium-ion and Li-air batteries are 67.94 kg CO 2 eq, 64.35 kg CO 2 eq and 10.15 kg CO 2 eq, respectively 3 3