Graphenano and the University of Valencia make an impact in the battery sector by developing the first cell made without metals

Graphenano and the Institute of Molecular Science (ICMol) of the University of Valencia have developed the first battery cell without current collectors or metal terminals. The system, which instead uses graphene and carbon nanomaterials, paves the way for the manufacture of safer, lighter and more efficient batteries. Its application in the electric car, aviation or stationary storage sectors, among others, revolutionises the field of battery safety and efficiency. The project has managed to remove the sheets of copper, aluminium or steel used in conventional batteries to evacuate electrical current, and also the tabs (current terminals) made of nickel or other metals, which are used to transfer energy from inside to outside from the battery. Replacing these metals with graphene and other carbon nanomaterials - materials with good electrical conductivity - significantly reduces the weight and volume of the devices, increases the energy density between 30% and 60%, and eliminates the risk of accidents due to explosion or fire on contact with air, as verified in tests. "We have patented a technology that solves the problem of battery safety with a disruptive approach", says Martín Martínez, CEO of Graphenano. "Our system provides such chemical stability that the battery does not burn on contact with air, not even in the presence of water, and this makes it possible to dispense with the heavy safety shields of current batteries", explains the businessman.