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This study develops a gradient\u2010ordered hydrogel (GO\u2010hydrogel) electrolyte\n                    <jats:italic>via<\/jats:italic>\n                    centrifugal sieving. Through centrifugal shear and component design of sol, a gradient structure and a unilateral chain\u2010ordered layer are created. This unique structure enables high\u2010flux, high\u2010rate ion transport and ion selectivity, achieving a conductivity of 53.34 mS cm\n                    <jats:sup>\u22121<\/jats:sup>\n                    . GO\u2010hydrogel enables aqueous energy systems to outperform liquid electrolytes in rate performance and conventional gels in cycling stability. Sodium\u2010ion batteries withstand 40 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    and retain 92.69% capacity after 20\u00a0000 cycles at 5 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    , while symmetric supercapacitors show no decay after 10\u00a0000 cycles at 1 A g\n                    <jats:sup>\u22121<\/jats:sup>\n                    . This study is the first to construct gradient ordered ion transport channels\n                    <jats:italic>via<\/jats:italic>\n                    centrifugal shear force, providing a replicable strategy for gel material design in electrochemical energy storage, biomedicine, sensing, and other fields.\n                  <\/jats:p>","DOI":"10.1002\/smll.74490","type":"journal-article","created":{"date-parts":[[2026,7,10]],"date-time":"2026-07-10T09:38:05Z","timestamp":1783676285000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Beyond Saline Electrolytes: Ultrafast and Selective Ion Transport in Gradient\u2010Ordered Hydrogel Electrolytes Enables High\u2010Rate and Ultra\u2010Stable Energy Storage"],"prefix":"10.1002","volume":"22","author":[{"given":"Jintao","family":"Shi","sequence":"first","affiliation":[{"name":"Technical Institute of Physics and Chemistry Chinese Academy of Sciences  Beijing 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