Why BYD is combining two Electrolytes in its latest Battery Patent?
A major challenge in solid-state batteries is that the solid materials inside them can lose contact during repeated charging and discharging, affecting stability and performance. BYD’s latest patent proposes a dual-electrolyte cathode that combines smaller halide electrolyte particles with larger sulfide particles. When mixed with the cathode material, this structure is designed to keep the solid components better connected over time. The filing offers insight into BYD’s solid-state battery research, but it does not confirm vehicle testing, production plans, or commercial availability.
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