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您的检索式：作者名="Shangchao Lin"
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| 1 | Tailored morphology and highly enhanced phonon transport in polymer fibers:a multiscale computational framework显示文摘Although tremendous efforts have been devoted to enhance thermal conductivity in polymer fibers,correlation between the thermal-drawing conditions and the resulting chain alignment,crystallinity,and phonon transport properties have remained obscure.Using a carefully trained coarse-grained force field,we systematically interrogate the thermal-drawing conditions of bulk polyethylene samples using large-scale molecular dynamics simulations.An optimal combination of moderate drawing temperature and strain rate is found to achieve highest degrees of chain alignment,crystallinity,and the resulting thermal conductivity.Such combination is rationalized by competing effects in viscoelastic relaxation and condensed to the Deborah number,a predictive metric for the thermal-drawing protocols,showing a delicate balance between stress localizations and chain diffusions.Upon tensile deformation,the thermal conductivity of amorphous polyethylene is enhanced to 80% of the theoretical limit,that is,its pure crystalline counterpart.An effective-medium-theory model,based on the serial-parallel heat conducting nature of semicrystalline polymers,is developed here to predict the impacts from both chain alignment and crystallinity on thermal conductivity.The enhancement in thermal conductivity is mainly attributed to the increases in the intrinsic phonon mean free path and the longitudinal group velocity.This work provides fundamental insights into the polymer thermal-drawing process and establishes a complete process–structure–property relationship for enhanced phonon transport in all-organic electronic devices and efficiency of polymeric heat dissipaters. | Shangchao Lin Zhuangli Cai Yang Wang Lingling Zhao Chenxi Zhai | 2019 | npj Computational Materials2019，，1： | 3 |
| 2 | 塑料晶体的庞压卡效应显示文摘制冷对现代社会至关重要,世界上25%到30%的电力用于制冷。例如,食品储存和空调的使用等都需要耗费大量的电力。目前的制冷技术主要还是以传统蒸汽压缩循环为主,但由于具有加剧全球变暖的潜力危险,人们一直尝试找到更好的替代方案。在这背景下,基于固态相变热效应的制冷技术作为一种很有前途的替代技术,在近几十年来一直是研究者们关注的重点。但是,由于其等温爛变化小,所需驱动动能大以及材料性能有限等种种劣势均限制了其应用推广。 | Bing Li Yukinobu Kawakita Seiko Ohira-Kawamura Takeshi Sugahara Hui Wang Jingfan Wang Yanna Chen Saori I.Kawaguchi Shogo Kawaguchi Koji Ohara Kuo Li Dehong Yu Richard Mole Takanori Hattori Tatsuya Kikuchi Shin-ichiro Yano Zhao Zhang Zhe Zhang Weijun Ren Shangchao Lin Osami Sakata Kenji Nakajima Zhidong Zhang 李巧红 | 2019 | 家电科技2019，0，3： | 0 |
| 3 | High performance solid-state thermoelectric energy conversion via inorganic metal halide perovskites under tailored mechanical deformation显示文摘Solid-state thermoelectric energy conversion devices attract broad research interests because of their great promises in waste heat recycling,space power generation,deep water power generation,and temperature control,but the search for essential thermoelectric materials with high performance still remains a great challenge.As an emerging low cost,solution-processed thermoelectric material,inorganic metal halide perovskites CsPb(I_(1–x)Br_(x))_(3) under mechanical deformation is systematically investigated using the first-principle calculations and the Boltzmann transport theory.It is demonstrated that halogen mixing and mechanical deformation are efficient methods to tailor electronic structures and charge transport properties in CsPb(I_(1–x)Br_(x))_(3) synergistically.Halogen mixing leads to band splitting and anisotropic charge transport due to symmetry-breakinginduced intrinsic strains.Such band splitting reconstructs the band edge and can decrease the charge carrier effective mass,leading to excellent charge transport properties.Mechanical deformation can further push the orbital energies apart from each other in a more controllable manner,surpassing the impact from intrinsic strains.Both anisotropic charge transport properties and ZT values are sensitive to the direction and magnitude of strain,showing a wide range of variation from 20%to 400%(with a ZT value of up to 1.85)compared with unstrained cases.The power generation efficiency of the thermoelectric device can reach as high as approximately 12%using mixed halide perovskites under tailored mechanical deformation when the heat-source is at 500 K and the cold side is maintained at 300 K,surpassing the performance of many existing bulk thermoelectric materials. | Lifu YAN Lingling ZHAO Guiting YANG Shichao LIU Yang LIU Shangchao LIN | 2022 | Frontiers in Energy2022，16，4： | 0 |
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