Solid-state battery and electronic device

Provided are a solid-state battery and an electronic device having high adhesiveness of a terminal electrode. This solid-state battery is provided with: a battery element (140) having a positive electrode layer (110), a negative electrode layer (120), and a solid electrolyte layer (130); and terminal electrodes (151, 152) that are provided on the end surfaces of the battery element (140) and are electrically connected to the battery element (140), the terminal electrodes (151, 152) containing a conductive material and a polyester resin. 提供端子电极的粘接性高的固体电池以及电子器件。固体电池具备：电池元件（140），具有正极层（110）、负极层（120）及固体电解质层（130）；以及端子电极（151、152），设置在电池元件（140）的端面上并与电池元件（140）电连接，端子电极（151、152）包含导电材料和聚酯系树脂。