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Although traditional techniques such as directional freezing and salting\u2010out improve the mechanical properties of the hydrogel, the biomedical and chemical engineering applications are limited by the complex processing procedures. In view of this situation, an urgent demand for the non\u2010intrusive in situ hydrogel processing technique is required, and the disordered polymer network resembles a tangled yarn that can be unraveled through the external electric field. It is of interest to elucidate whether there are countless ions at the atomic\u2010scale that can instantly align the disordered polymer networks in the hydrogel. In this study, it is first demonstrated that these ions can move in the hydrogels under the action of the electric field. The rapid ion vibrations break the hydrogen bonds to restructure the networks under the action of the high\u2010frequency electric field, and the soft hydrogel is formed; while that generates the coordination under the action of the low\u2010frequency field, and the tough hydrogel is obtained. This technique integrates the structure and material in the hydrogels, which enhances the mechanical properties of the 3D\u2010printed hydrogel components.<\/jats:p>","DOI":"10.1002\/smll.202502436","type":"journal-article","created":{"date-parts":[[2025,5,7]],"date-time":"2025-05-07T06:30:32Z","timestamp":1746599432000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":10,"title":["Restructuring of Hydrogel Polymer Networks via Ion Storming"],"prefix":"10.1002","volume":"21","author":[{"given":"Weicheng","family":"Kong","sequence":"first","affiliation":[{"name":"State Key Laboratory of Fluid Power and Mechatronic Systems &amp; Liangzhu Laboratory School of Mechanical Engineering Zhejiang University  Hangzhou 310027 China"},{"name":"The Second Affiliated Hospital of Zhejiang University Zhejiang University  Hangzhou 310027 China"},{"name":"Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province College of Mechanical Engineering Zhejiang University  Hangzhou 310027 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yuling","family":"Lu","sequence":"additional","affiliation":[{"name":"School of Mechanical and Electrical Engineering China University of Mining and Technology  Xuzhou 221116 China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ximin","family":"Yuan","sequence":"additional","affiliation":[{"name":"State Key Laboratory of Fluid Power and Mechatronic Systems &amp; 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