Scientists have developed a new class of materials called state-independent electrolytes (SIEs) that maintain the same ionic conductivity in liquid, liquid-crystalline and solid states without a sharp drop.[1][2] These organic salts are based on cyclopropenium salts with a flat disc-shaped center and long flexible side chains, resembling a wheel with soft bristles.[2][3] The positive charge is evenly distributed throughout the molecule by the movement of electrons, which minimizes binding with negative ions and allows them to move freely through the side chains.[1][4] In the solid state, the molecules are arranged in long rigid columns surrounded by flexible arms, forming a dynamic ordered structure similar to the static cylinders in a car wash.[3][5] Negative ions move as freely as they do in the liquid form, eliminating the "freezing" effect of ionic conductivity during the solidification phase.2][5] This phenomenon has been confirmed by tests on several types of ions in a collaboration between the Universities of Oxford, York, Leeds and Durham.[1][5] The discovery paves the way to flexible and safe solid electrolytes for devices where the electrolyte is applied as a liquid at a higher temperature and then solidifies without loss of conductivity.[4][5] The discovery opens the way to flexible and safe solid electrolytes for devices where the electrolyte is applied as a liquid at a higher temperature and then solidifies without loss of conductivity.[4][5