This technology relates to a long-life zinc sulfate-based aqueous zinc battery containing dimethyl isosorbide derivatives as electrolyte additives. In particular, it is a technology designed to enhance the performance, structural stability, and application efficiency of battery materials and electrode designs based on dimethyl isosorbide derivatives, which suppress electrolysis and improve zinc deposition uniformity.
Conventionally, zinc batteries have faced issues with non-uniform zinc dendrite formation, which could lead to performance degradation, process complexity, lack of stability, or limitations on the scope of application. Accordingly, this technology proposes a technical concept that implements a negative electrode; a positive electrode spaced apart from the negative electrode and containing a metal oxide as a positive active material; and a separator interposed between the negative electrode and the positive electrode, by applying a configuration comprising an electrolyte containing additives including water-soluble zinc salts and dimethyl isosorbide derivatives as a core means.
Accordingly, zinc dendrite formation effects can be expected, and stability, reproducibility, and scalability in real-world environments can be enhanced through dimethyl isosorbide derivatives that suppress electrolysis and improve zinc deposition uniformity. Furthermore, it offers the potential to be utilized as a high-performance material, device, apparatus, or process technology in related industries; it is advantageous for subsequent commercialization and process expansion, and is suitable for demonstration deployment.
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