Investigation of Highly Active Carbon-, Cobalt-, and Noble Metal-Free MnO/NiO/Ni-Based Bifunctional Air Electrodes for Metal-Air Batteries with an Alkaline Electrolyte.

Compared to other battery technologies, metal-air batteries offer high specific capacities because the active material at the cathode side is supplied by ambient atmosphere. To secure and further extend this advantage, the development of highly active and stable bifunctional air electrodes is currently the main challenge that needs to be resolved. Herein, a highly active carbon-, cobalt-, and noble-metal-free MnO/NiO-based bifunctional air electrode is presented for metal-air batteries in alkaline electrolytes.

Simple Methods for the Preparation of Non-noble Metal Bulk-electrodes for Electrocatalytic Applications.

The rock material pentlandite with the composition Fe4.5Ni4.5S8 was synthesized via high temperature synthesis from the elements.