摘要：High interfacial energy Li^(0)-electrolyte interface contributes to larger Li^(0) nucleation embryos and a more stable interface,so the interfacial energy is essential for highly reversible Li^(0) deposition/***,a high interfacial-energy artificial solid electrolyte interphase(SEI)with rich LiF embedded in lithiated poly-2-acrylamido-2-methylpropane sulfonic acid(PAMPS-Li)network is designed to realize favorable Li^(0) nucleation and rapid desolvation of Li+*** Li-F bonds in LiF(001)exhibit stronger ion-dipole interactions with Li atoms,offering higher interfacial *** the growth surface energy and total interfacial energy of Li^(0) are balanced,the high interfacial energy SEI with abundant LiF can promote the formation of larger Li^(0) nucleation *** addition,the PAMPS-Li with immobilized anions presents weaker interaction with Li^(0) and possesses higher polymer-Li interfacial energy,and its amide and sulfonic acid groups exhibit higher binding energies with Li^(+).Therefore,PAMPS-Li can easily promote the Li+to escape from the solvent sheath and weaken the desolvation energy *** highly reversible Li^(0) deposition behavior with restricted side reactions is achieved based on the synergistic modification of high interfacial energy SEI with *** importantly,lifespan of multi-layered Li^(0) pouch cell(330 Wh kg-1)with a low N/P ratio(1.67)is over 100 cycles,verifying its potential practical application.

摘要：沙生灌木在我国的农、林、牧业及新能源开发利用中占有重要地位。目前,沙生灌木在平茬后集运手段落后,生产率低,为此研制了集捡拾、压捆、运输和装卸为一体的"多功能沙生灌木集运装备",主要论述了该装备的主要技术参数、工作原理与技术创新点。田间实验结果表明:设备适应沙地作业,其工作效率及自动化程度较高,各项性能指标均达到设计要求。该设备的成功研制为提高沙生灌木的集运效率开辟了一条新途径。

摘要：陶瓷活塞杆表面的磨削抛光受到其材料、空间结构的影响,传统的加工工艺技术显得落后与不足。针对其抛光加工工艺特点,现研究设计一种能在普通卧式车床上安装使用的表面抛光装置及加工操作方案,以提高零件的加工质量,减轻操作者的劳动强度。总体方案是利用车床主轴和安装部件使活塞杆旋转以进行主切削运动,抛光装置安装在车床小滑板上以进行进给运动,零件表面用砂纸或羊毛毡抛光。与原工艺方案相比,该装置操作简单方便,降低了操作人员的劳动强度,提高了加工效率。通过装置的弹簧机构量化抛光的挤压力,使加工参数标准化,并且可以提高零件加工质量的稳定性。同时可以为企业或同行今后的加工提供参考经验。