US Patent 11189834 Multiple electrolyte battery cells

Energy storage devices, battery cells, and batteries of the present technology may include a first current collector and a second current collector. Exemplary battery cells may also include a first region defined between the first current collector and the second current collector. The first region may include electrode materials. The battery cells may also include a second region defined between the first current collector and the second current collector. The second region may be fluidly isolated from the first region. The second region may include an electrolyte.