Superdielectric Faraday 2 battery cell
Image: Superdielectrics
By ESS News
The Superdielectrics, based in the UK, has launched the second generation version of its polymer battery, the Faraday 2, directly aimed at residential energy storage. The system is designed as an alternative to the home scale for the storage of Lithium-Ionbatteries, and offers what the company describes as a safer and more sustainable solution using water-based polymers derived from contact lenses. These materials avoid the use of rare earth or critical metals, relying instead of non-toxic components that are intended to reduce costs and reduce fire risk.
The Faraday 2 builds on the earlier prototype of Faraday 1, introduced last year and continues the development of the company from watery polymer membranes derived by contact lenses.
Although technical specifications are limited, Superdielectrics says that another important advantage is that the Faraday 2 can be fully charged within about 30 minutes and can exceed the life cycle of existing battery chemistry. It is said that it performs better than lead-acid batteries in energy density and focuses on future parity or improvement compared to Lithium-ion. However, there are no detailed figures on energy or power density, efficiency or breakdown.
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