| abstract |
Provided are: a production method that is for a solid electrolyte containing the element lithium, the element sulfur, the element phosphorus, and a halogen element, and that comprises mixing, using a liquid phase method, a solid electrolyte raw material and a complexing agent which has a high ion conductance, inhibits the occurrence of hydrogen sulfide, has an ester group, and has at least one branch; and an electrolyte precursor. |