Abstract: One embodiment of the present application provides a lithium-sulfur battery positive electrode including a positive electrode current collector and a sulfur layer deposited on a surface of the positive electrode current collector, wherein the sulfur layer contains sulfur and/or a sulfur compound which is a main positive electrode active material, a lithium-containing oxide, and a nitrogen-containing organic compound, and the nitrogen-containing organic compound is a nitrogen-containing heterocyclic compound.
Abstract: An electrolyte, the electrolyte including: a first component; a second component; and a solvent, where the first component includes lithium polysulfide, the second component includes lithium bis(fluorosulfonyl)imide, and a concentration A of the lithium bis(fluorosulfonyl)imide satisfies 0.001 mol/dm3?A?0.15 mol/dm3.
Abstract: The present disclosure provides a positive electrode which includes a positive electrode current collector and a positive electrode mixture layer, wherein the positive electrode mixture layer contains sulfur and/or a sulfur compound, a ceramic material that is oxidized and reduced in a potential range of 1.0V (vs. Li/Li+) to 3.0V (vs. Li/Li+), a binder, and a proportion of the sulfur and/or the sulfur compound in the positive electrode mixture layer is 40% by mass to 80% by mass.
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