The data shows the distribution of electro-chemical energy storage power capacity worldwide as of mid-2017, broken down by technology type. The biggest source of electro-chemical electricity storage were within lithium-ion batteries with 59% of the total share.
Lithium-ion battery | 59 |
Sodium based battery | 8 |
Electro-chemical capacitor | 4 |
Lead-acid battery | 3 |
Sodium sulfur battery | 3 |
Nickel based battery | 2 |
Flow battery | 2 |
Other electro-chemical | 19 |