文献类型：期刊文献

英文题名：Nano-interfacial design of self-healable high-strength electrodes with high desalination efficiency and cycling stability

作者：Wu, Ruilin;Wei, Yunan;Wang, Rui;Liu, Shixin;Mo, Runwei[1]

机构：[1]East China Univ Sci & Technol, Sch Mech & Power Engn, Shanghai 200237, Peoples R China; East China Univ Sci & Technol, Shanghai Key Lab Intelligent Sensing & Detect, Shanghai 200237, Peoples R China

年份：2025

卷号：525

外文期刊名：CHEMICAL ENGINEERING JOURNAL

收录：;EI(收录号：20254419430586);WOS:【SCI-EXPANDED(收录号:WOS:001616032300046)】；

基金：This research was supported by Shanghai Pilot Program for Basic Research (grant no. 22TQ1400100-8) , National Key Research and Development Program of China (grant no. 2022YFA1200075) , Shanghai Pujiang Program (grant no. 20PJ1402500) , Natural Science Foundation of Shanghai (grant no. 22ZR1416600) and the Fundamental Research Funds for the Central Universities.

语种：英文

外文关键词：Seawater battery; Nanointerface engineering; Macroscopic assembly; DIW 3D printing

摘要：Nanocomposites in seawater batteries suffer from bottlenecks such as low mechanical strength, limited desalination performance, and rapid capacity degradation due to weak interfacial interactions between active material and conductive substrate. Here, we propose a strategy combining nanointerface engineering with Direct Ink Writing 3D printing to create an electrode structure that combines high mechanical strength, efficient desalination performance, and long-cycle stability through introducing borate ester bonds as bridging units in a dynamic covalent network. This electrode exhibits high elongation at break (32.1 %), high desalination capacity (131 mg & sdot;g- 1), excellent desalination rate (25.8 mg & sdot;g- 1 & sdot;min- 1), and exceptional cycling stability (capacity retention exceeding 95 % after 100 cycles), surpassing previously reported seawater batteries. Density functional theory calculations confirm that this dynamic cross-linked interface design achieves self-healing of microscopic damage through reversible bond breakage and recombination, significantly enhancing interface stability and stress dissipation capabilities. Furthermore, the modular tandem seawater battery successfully achieved efficient desalination and utilized the regenerative electrical energy from the electrodes to drive a hydrogen production system for efficient energy recovery. This work provides an effective strategy at the molecular level for developing a new generation of seawater batteries and other energy storage and conversion devices that combine high performance, long lifespan, and adaptability to complex environments.