KEPCO develops rechargeable manganese battery

Korean utility KEPCO developed a large-capacity rechargeable battery made of manganese. The development started back in 2017 to suggest an alternative to unstable, pricey Lithium-ion batteries, KEPCO said. The utility’s new manganese battery has a 20Ah capacity, which is a minimum requirement for rechargeable batteries to be deployed for ESS. So far in the Korean market, even the largest manganese rechargeable batteries were under 1Ah range due to low scalability. KEPSO estimated that replacing Lithium-ion batteries currently under operation to the new manganese batteries would save a total of KRW 250 billion.

Source: KEPCO

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