Secondary battery, electronic device, and flying object

A secondary battery comprising a positive electrode layer;

• a negative electrode layer;
• and an electrolyte layer positioned between the positive electrode layer and the negative electrode layer,
• wherein the positive electrode layer comprises a positive electrode active material and a first solid electrolyte,
• wherein the negative electrode layer comprises a negative electrode active material and a second solid electrolyte,
• wherein the electrolyte layer comprises a third solid electrolyte,
• wherein the positive electrode layer, the negative electrode layer, and the electrolyte layer comprise an ionic liquid, and
• wherein a space in the third solid electrolyte is impregnated with the ionic liquid.

A secondary battery comprising a positive electrode layer;

• a negative electrode layer;
• and an electrolyte layer positioned between the positive electrode layer and the negative electrode layer,
• wherein the positive electrode layer comprises a positive electrode active material and a first solid electrolyte,
• wherein the negative electrode layer comprises a negative electrode active material and a second solid electrolyte,
• wherein the electrolyte layer comprises a first electrolyte layer, a second electrolyte layer, and a third electrolyte layer,
• wherein the first electrolyte layer to the third electrolyte layer comprise an ionic liquid,
• wherein the second electrolyte layer comprises a third solid electrolyte, and
• wherein a space in the third solid electrolyte is impregnated with the ionic liquid.

A secondary battery comprising a positive electrode layer;

• a negative electrode layer;
• and an electrolyte layer positioned between the positive electrode layer and the negative electrode layer,
• wherein the positive electrode layer comprises a positive electrode active material and a first solid electrolyte,
• wherein the negative electrode layer comprises a negative electrode active material and a second solid electrolyte,
• wherein the electrolyte layer comprises a first electrolyte layer and a second electrolyte layer,
• wherein the first electrolyte layer and the second electrolyte layer comprise an ionic liquid,
• wherein the second electrolyte layer comprises a third solid electrolyte, and
• wherein a space in the third solid electrolyte is impregnated with the ionic liquid.