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Showing 1–6 of 6 results
Advanced filters: Author: Yangju Lin Clear advanced filters

  • The mechanical degradation of polymers is typically limited to a single chain scission event and the loss of stress transfer during the scission process limits the extent of degradation achieved. Here, the authors report a mechanically triggered, delayed scission strategy that allows many eventual scission events to be initiated within a single polymer chain.

    • Yangju Lin
    • Tatiana B. Kouznetsova
    • Stephen L. Craig
    ResearchOpen Access
    Nature Communications
    Volume: 11, P: 1-9

  • There is growing interest in designing electrolytes to enable Li-metal batteries. Here the authors show that asymmetric solvents improve lithium redox kinetics and achieve long cycle life in anode-free cells under electric vertical take-off and landing conditions, demonstrating potential for future high-power applications.

    • Il Rok Choi
    • Yuelang Chen
    • Zhenan Bao
    Research
    Nature Energy
    Volume: 10, P: 365-379

  • Li-metal batteries often utilize liquid electrolytes that yield a solid–electrolyte interphase on electrodes; however, the role of anions in interphase formation remains unclear. Now it has been shown that anion-decomposition products provide varying contributions to interphase formation and that high-performance electrolytes balance effective interfacial passivation with minimized degradation.

    • Weilai Yu
    • Kuan-Yu Lin
    • Zhenan Bao
    Research
    Nature Chemistry
    Volume: 17, P: 246-255

  • Mechanochemistry offers exciting opportunities for molecular engineering of stress-responsive properties of polymers. Here the authors show that macrocyclic cinnamate dimers in a polymer chain can undergo dissociation on the sub-second timescale under 1–2 nN stretching to yield a chromophore that then can be optically healed.

    • Huan Zhang
    • Xun Li
    • Roman Boulatov
    ResearchOpen Access
    Nature Communications
    Volume: 8, P: 1-10

  • Metallocenes are attractive mechanophores because they are stable in the absence of force, yet reactive under tension. Now, covalently bridging the two cyclopentadienyl (Cp) ligands of ferrocenes embedded in a polymer has been shown to alter their mechanochemical reactivity, leading to a faster dissociation of the Fe–Cp bond, which occurs through a peeling mechanism rather than a shearing one.

    • Yudi Zhang
    • Zi Wang
    • Stephen L. Craig
    Research
    Nature Chemistry
    Volume: 13, P: 56-62

  • Polymer mechanochemistry converts mechanical forces in materials to chemical reactions through the response of functional groups known as mechanophores. This Review discusses the colorimetric, mechanical, chemical and electronic responses of mechanophores that may be useful in materials for strain sensing and strengthening, soft devices and additive manufacturing.

    • Maroun Abi Ghanem
    • Amrita Basu
    • Duane W. Storti
    Reviews
    Nature Reviews Materials
    Volume: 6, P: 84-98