Solid-state batteries represent a significant advancement in energy storage technology, utilising a solid electrolyte instead of the liquid or gel found in conventional lithium-ion batteries. This innovation creates a safer, more compact, and energy-dense power source with the potential to double battery life. After three decades of reliance on lithium-ion batteries, the search for more sustainable alternatives has led researchers and companies to explore solid-state options.
These batteries operate by using a solid electrolyte, typically made of ceramic or polymer, which facilitates the movement of ions between the anode and cathode, unlike traditional batteries that rely on liquid electrolytes. The shift to solid materials allows for faster charging, longer lifespan, and greater safety, making solid-state batteries an exciting development for electric vehicles as the world moves away from fossil fuels.
Solid-state batteries offer numerous advantages over their lithium-ion counterparts. The solid electrolyte is non-flammable, reducing the risk of leaks, fires, or explosions, making them ideal for electric vehicles, aerospace applications, and industrial equipment exposed to extreme conditions. Additionally, solid-state batteries can store significantly more energy in a smaller, lighter package, enhancing the range of electric vehicles and the performance of portable electronics.
These batteries also allow for faster charging times. For instance, some models can charge from 10 to 80 per cent in under 15 minutes. The solid structure of these batteries enables more freedom in design, allowing them to be smaller, thinner, and even shaped or bent to fit specific applications.
Despite these promising features, solid-state batteries remain primarily in research and development due to the high cost and complexity of production. However, if these challenges are overcome, solid-state batteries could revolutionise energy storage, offering safer, more efficient, and longer-lasting power solutions for various applications.
Solid-state batteries hold great promise for the future of energy storage, especially in the realm of electric vehicles, where their safety, efficiency, and compact design could significantly impact the transition to more sustainable energy sources.
Ilika plc (LON:IKA) is a pioneer in solid state battery technology enabling solutions for applications in Industrial IoT, MedTech, Electric Vehicles and Consumer Electronics.
