<p>➀ This study introduces a hyperstable aqueous zinc-ion battery (AZIB) using Mo1.74CTz MXene as the cathode material, offering significant performance improvements and long-term stability.</p><p>➁ The Mo1.74CTz MXene-based battery achieves a high specific discharge capacity and excellent cycling stability.</p><p>➂ The research addresses the growing demand for efficient energy storage and could drive broader adoption and commercialization of sustainable energy solutions.</p>