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Updated: Jul 7, 2026

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在双轴应变下作为电池阳极的2H-Mo2C基MXenes的第一原则研究

Satchakorn Khammuang1, Anucha Pratumma1, Aparporn Sakulkalavek2,3

  • 1College of Advanced Manufacturing Innovation, King Mongkut's Institute of Technology Ladkrabang, Bangkok 10520, Thailand. komsilp.ko@kmitl.ac.th.

Physical chemistry chemical physics : PCCP
|July 12, 2023
PubMed
概括

基于碳化物 (Mo2C) 的MXenes的应变工程提高了它们作为离子电池 (LIB) 的阳极材料的性能. 施加压力应变降低了离子扩散的能量障碍,提高了电池容量和效率.

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Deformation occurs in axial and transverse directions when an axial load is applied to a slender bar. This deformation impacts the cubic element within the bar, transforming it into either a rectangular parallelepiped or a rhombus, contingent on its orientation. This transformation process induces shearing strain. Axial loading elicits both shearing and normal strains. Applying an axial load instigates equal normal and shearing stresses on elements oriented at a 45° angle to the load axis.
Three-Dimensional Analysis of Strain01:29

Three-Dimensional Analysis of Strain

Three-dimensional strain analysis is crucial for understanding how materials deform under stress, particularly in elastic, homogeneous materials. This method employs principal stress axes to simplify complex stress states into more understandable forms. Subjected to stress, a small cubic element within a material either expands or contracts along these axes, transforming into a rectangular parallelepiped. This transformation effectively illustrates the material's deformation. The principal...