Sumitomo Electric Industries, Ltd.

Redox Flow Battery

This is a high-capacity storage battery that charges and discharges through oxidation-reduction reactions of ions while circulating an electrolyte. Using a non-flammable electrolyte, it is highly resistant to degradation and features an exceptionally long operational lifespan of up to 30 years―significantly longer than other storage batteries. Additionally, as the components are made of flame-retardant materials, there is no risk of fire, unlike lithium-ion batteries. Furthermore, it is highly regarded for its eco-friendliness, with the electrolyte being reusable and 99% of other materials being recyclable.