Direct‐Ink‐Writing Printed Aerogels with Dynamically Reversible Thermal Management and Tunable Electromagnetic Interference Shielding

Abstract Achieving both structural precision and tunable performance in electromagnetic interference (EMI) shielding materials remains a critical challenge, particularly for adaptive applications. Herein, a strategy is proposed that integrates calcium chloride (CaCl₂)‐induced elastic activation of carboxymethyl cellulose (CMC) with direct ink writing (DIW) 3D printing to address the limitations in structural design and performance adjustability of EMI shielding materials. By leveraging CaCl₂‐crosslinked CMC (CCMC) as a flexible matrix, honeycomb‐structured (Ti₃C₂T x /Fe₃O₄/CCMC)–(Ag nanowire (AgNW)/CCMC) aerogels is fabricated with precise architecture and tunable shielding effectiveness under mechanical…

• NN
  National Natural Science Foundation of China

  Award: 52473083
• FR
  Fundamental Research Funds for the Central Universities

  Award: D5000240062
• NS
  Natural Science Basic Research Program of Shaanxi Province

  Award: 2024JC‐TBZC‐04