Prussian Blue‐Type Electrodes: Over 2 V Aqueous Sodium‐Ion Battery with Prussian Blue‐Type Electrodes (Small Methods 4/2019)

In article number 1800220, Shigeto Okada and co-workers develop a battery with high operational voltage of over 2 V and high rate performance, which are achieved by a novel aqueous sodium-ion battery with the combination of an open-framework Prussian blue-type sodium manganese hexacyanoferrate cathode, and an open-framework Prussian blue-type potassium manganese hexacyanochromate anode. This is in conjunction with a highly concentrated and electrochemically stable sodium perchlorate aqueous electrolyte.