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Among the various cathode materials, vanadium\u2010based compounds have garnered significant attention owing to their structural diversity, Zn\n                    <jats:sup>2+<\/jats:sup>\n                    storage capability, and high theoretical capacity. The electrochemical activities in these cathodes can be tuned by modulating their structure, particle morphology, surface coatings and local structural (dis)ordering. This study probes the role of disorder on the electrochemical performance of ZnV\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    spinel cathodes. Without any surface or structural optimization, ZnV\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    delivers a specific capacity of 150\u00a0mAh\u00a0g\n                    <jats:sup>\u22121<\/jats:sup>\n                    with stability over \u22481000 cycles at a current density of 1\u00a0A\u00a0g\n                    <jats:sup>\u22121<\/jats:sup>\n                    . Using\n                    <jats:italic>operando<\/jats:italic>\n                    and ex situ techniques \u2013 including electron microscopy, X\u2010ray diffraction, X\u2010ray absorption, and Raman spectroscopy \u2013 it is revealed that initial cycling induces a conversion reaction, forming a disordered Zn\u2010deficient vanadium oxide phase. This phase enables reversible Zn\n                    <jats:sup>2+<\/jats:sup>\n                    (co)insertion, enhancing long\u2010term performance. This findings highlight the critical role of disorder dynamics in tuning the electrochemical behavior of spinel ZnV\n                    <jats:sub>2<\/jats:sub>\n                    O\n                    <jats:sub>4<\/jats:sub>\n                    , offering valuable insights for designing advanced spinel cathodes for secondary zinc\u2010ion batteries.\n                  <\/jats:p>","DOI":"10.1002\/smll.202506524","type":"journal-article","created":{"date-parts":[[2025,12,15]],"date-time":"2025-12-15T14:05:38Z","timestamp":1765807538000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Role of Defects on the Electrochemical Activity of ZnV\n                    <sub>2<\/sub>\n                    O\n                    <sub>4<\/sub>\n                    Spinel Cathode for Secondary Zn\u2010Ion 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