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Abstract With the rising production of regenerative energy stronger focus on energy storage is necessary. One possibility to store electric energy is the use of battery technology. Especially high energy densities can be realized with metal-air batteries. Zinc-air batteries are known since more than 100 years, but have until now found use only in special markets. A well-known example is the battery for hearing aids. Many attempts have been undertaken to develop rechargeable zinc-based batteries, but only with limited success. Reasons for this fact and directions for future needs, applications and developments are discussed in the paper. Furthermore, first experiments for the use of ionic liquids as electrolytes in zinc-air-batteries are presented.
Harting et al. (Thu,) studied this question.