The alkaline battery of the present invention includes, as power generation components, a positive electrode containing silver oxide as a positive electrode active material, a negative electrode, a separator, and an alkaline electrolyte solution. At least one of the power generation components contains tellurium or a compound of tellurium. The total content of tellurium element contained in components housed in the battery is 0.4 parts by mass or more with respect to 100 parts by mass of the total amount of silver element in the positive electrode active material. The positive electrode is substantially free of cadmium.

An anode material, an anode layer including the same, an all-solid secondary battery including the anode layer, and a method of manufacturing the all-solid secondary battery, the anode material including a metal-carbon composite, wherein the metal-carbon composite includes a carbon material; and metal particles, and the metal particles are dispersed and complexed in the carbon material, between particles of the carbon material, on a surface of the carbon material, or in two or more locations thereof.

An anode-solid electrolyte sub-assembly, a solid secondary battery including the anode-solid electrolyte sub-assembly, and a method of manufacturing a solid secondary battery. The anode-solid electrolyte sub-assembly including an anode and a solid electrolyte, wherein the anode includes an anode current collector, a first anode active material layer disposed adjacent to the solid electrolyte, and including a first carbon-based anode active material, and a second anode active material layer disposed between the first anode active material layer and the anode current collector and including a second carbon-based anode active material, wherein the first and the second carbon-based anode active materials have different peak areas a D band peak and a G band peak in a respective Raman analysis, and the first and second carbon-based anode active materials an each have oxygen content of 3 at % or less.

The invention is directed towards a cathode. The cathode includes an electrochemically active cathode material and at least one cathode additive. The at least one cathode additive includes a head group and at least one hydrocarbon tail group. The head group includes at least one p-element atom that is bonded to a second p-element atom. The at least one p-element atom has an electronegativity and the second p-element atom has an electronegativity. The electronegativity of the at least one p-element atom is different from the electronegativity of the second p-element atom.