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Abstract
Here we describe structured liquid batteries, whose membranes self-form via coacervation of polyelectrolytes. The membrane serves as an ion conductor, a physical barrier, and a structural support. Complexation of redox-active small molecules with their complementary polyelectrolyte also mitigates the crossover. The reconfigurability of liquids allows the cell to conform to prescribed patterns and the cells are rechargeable for hundreds of hours.
