NiMnO2S

NiMnO₂S is a nickel-manganese oxide sulfide ceramic compound that combines transition metal oxides with sulfide chemistry, placing it in the family of mixed-metal chalcogenides. This is primarily a research-stage material under investigation for electrochemical energy storage and catalytic applications, rather than an established industrial ceramic. The material is notable for its potential to leverage nickel and manganese's redox activity combined with sulfide's electronic properties, making it of interest in battery electrode development, supercapacitor applications, and heterogeneous catalysis where conventional oxides or sulfides alone may have limitations.