Converting CO2 into powdery fuel that can be stored for decades and converted into clean electricity

https://www.scientificamerican.com/article/scientist-discover-how-to-convert-co2-into-powder-that-can-be-stored-for-decades/

"exposed CO2 to catalysts and then electrolysis forming sodium formate powder... highly efficient conversion... does not corrode storage tanks... also designed a refrigerator-sized fuel cell that uses a liquefied version of the stored power... more promising than hydrogen (storage problems) and methanol (toxic fumes)... homes, heavy industry"

Related: Revolutionary breakthrough: Engineers turn carbon dioxide into endless energy source
https://www.manufacturingtodayindia.com/revolutionary-breakthrough-engineers-turn-carbon-dioxide-into-endless-energy-source/