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Chenglin Yan, Wang Xi, and co‐workers report on page 539 a novel hybrid tubular structure composed of multilayer Ge and Ti nanomembranes with superior reversible capacity by a strain released method. The high conductivity, fast lithium ion diffusion and good volume tolerance of the material are evaluated by single tube devices. The proof of concept in this work paves the way for integration of microbatteries...
Highly conductive and hybridized microtubes relying on strain‐released ultrathin Ti/Ge bilayer nanomembranes are reported. These hybrid multilayer microtubes show a remarkably enhanced reversible capacity up to 1495 mA h g−1 with a high first‐cycle Coulombic efficiency of 85%, and demonstrate an excellent capacity of ≈930 mA h g−1 after 100 cycles.
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