iron disulfide การใช้

• Lithium iron disulfide batteries are intended for use in equipment compatible with alkaline zinc batteries.
• The corresponding cathode for use with the lithium-alloy anodes is mainly iron disulfide ( pyrite ) replaced by cobalt disulfide for high-power applications.
• Lithium-iron disulfide batteries can have an open-circuit voltage as high as 1.8 volts, but the in-circuit voltage reduces, making this chemistry compatible with equipment intended for zinc-based batteries.
• The nine-volt battery format is commonly available in primary carbon-zinc and alkaline chemistry, in primary lithium iron disulfide, and in rechargeable form in nickel-cadmium, nickel-metal hydride and lithium-ion.
• Non-rechargeable lithium iron disulfide batteries are manufactured for devices that use a lot of power, such as digital cameras, where their high cost is offset by longer running time between battery changes and more constant voltage during discharge.
• Pyrite ( iron disulfide, ) was heated in air to yield iron ( II ) sulfate,, which was oxidized by further heating in air to form iron ( III ) sulfate, Fe 2 ( SO 4 ) 3, which, when heated to 480 癈, decomposed to iron ( III ) oxide and sulfur trioxide, which could be passed through water to yield sulfuric acid in any concentration.