Hambitzer, G.G.HambitzerBoeke, W.W.BoekeHefer, B.B.Hefer2022-03-082022-03-081995https://publica.fraunhofer.de/handle/publica/303254The invention relates to a process for dissolving the substances of alkali/metal batteries by mixing deep-frozen battery fragments in a solid dilution containing crushed ice and only then heating the mixture to high temperatures to form an aqueous solution for the purpose of further processing.de608660patent1994-4419695