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SEI

SEI的相关文献在1999年到2022年内共计264篇,主要集中在自动化技术、计算机技术、工业经济、经济计划与管理 等领域,其中期刊论文96篇、专利文献168篇;相关期刊63种,包括石油化工建设、石油化工安全环保技术、储能科学与技术等; SEI的相关文献由502位作者贡献,包括王益魁、王业奎、阿达许·克里许纳·瑞玛苏布雷蒙尼安等。

SEI—发文量

期刊论文>

论文:96 占比:36.36%

专利文献>

论文:168 占比:63.64%

总计:264篇

SEI—发文趋势图

SEI

-研究学者

  • 王益魁
  • 王业奎
  • 阿达许·克里许纳·瑞玛苏布雷蒙尼安
  • 伏努·亨利
  • 李丽娟
  • W.艾歇勒
  • 代娟
  • 吴波涛
  • 周朝辉
  • 周鼎
  • 期刊论文
  • 专利文献

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    • 陈博文; 崔瑞广; 沈炎宾; 陈立桅
    • 摘要: 锂(离子)电池电极表面的固态电解质中间相(solid electrolyte interphase,SEI)是电池安全性、使用寿命及倍率性能等的关键影响因素。提高SEI的力学性能,如杨氏模量,可以使其更好地包容锂离子脱嵌带来的电极材料体积变化。原子力显微镜(AFM)纳米压痕技术能够在获得样品表面形貌的基础上测量相应区域的杨氏模量,但这种方法通常需要在样品不同区域采集大量的力曲线,才能得到具有统计意义的杨氏模量数值,因此比较费时耗力。最近有文献报道利用AFM中的AM-FM(amplitude modulation-frequency modulation mode)方法可以在短时间内同时获得材料形貌图像和对应区域的杨氏模量,为测量材料杨氏模量提供了一种新思路。由于AM-FM技术尚处于应用的早期,本工作对该模式在锂电池SEI研究中应用的可行性进行了分析。首先,本工作论证了AM-FM技术可以用于快速定性区分同一个样品上的两种模量不同的材料。其次,本工作发现AM-FM模式测得的杨氏模量数值与AFM探针针尖半径密切相关,以特定针尖半径测得的两种标准样品杨氏模量为参考,可以评估用AM-FM模式测量的实验样品杨氏模量结果的准确性。结果表明目前用AM-FM模式获取的实验样品杨氏模量准确度还有待提升。因此,本工作证明了AM-FM可以用于快速定性区分材料的不同成分,未来对AM-FM技术的进一步改进将有望将其应用于快速定量获取样品杨氏模量,助力SEI力学性能的快速表征。
    • 摘要: 2019年,中国石化就组织相关部门和科研单位联合攻关,开始探索原油裂解技术工业化应用。SEI(中国石化工程建设有限公司)作为CBL裂解团队的牵头单位与合作开发单位,在前期深入调研及研究基础上开展了一系列开发课题的立项和攻关。2020年,SEI充分发挥炼化一体化优势,以工程咨询、工程研发、技术开发三者相结合的模式,组建了塔河炼化利用顺北原油1000 kt/a乙烯工艺包开发团队。
    • 陈志竑; 彭成信
    • 摘要: 镁金属因高比容量、低成本以及低电极电势等优点,是下一代高能电池体系中最有潜力的负极材料之一。然而,镁金属负极在循环过程中常遭受来自含氯电解液的腐蚀,破坏了负极表面的完整,造成负极容量不可逆的损失。并且在低电位环境中,传统镁盐将先于Mg^(2+)离子还原,在镁金属负极表面形成绝缘的钝化膜,阻碍了Mg^(2+)离子可逆的沉积溶解,影响了充放电库伦效率。此外,由于Mg^(2+)离子不均匀的沉积,导致了负极的枝晶产生和生长,引发电池短路风险。基于目前镁金属负极遇到的主要挑战,从新型镁盐合成、固体界面膜构建、镁金属负极合金化三方面深度分析近几年的相关进展及其作用机制,为促进高性能镁金属负极的应用提供借鉴参考作用。
    • 盛景
    • 摘要: 中小型商超是我国零售业态中的重要参与者,也是与人民生活密切相关的经营组织,其管理能力与水平直接影响零售业的发展和人民消费水平的提高。本文通过对中小型商超的现状和问题分析,从“6S”管理,“整理”(SEIRI)、“整顿”(SEITON)、“清扫”(SEISO)、“清洁”(SEIKETSU)、“素养”(SHITSUKE)和“安全”(SECURITY)六个方面列举该管理方法在中小型商超管理中的应用形式,并从企业角度出发在学习培训、制度建设、业务设计、技术应用等方面为其经营者提出方法借鉴。
    • Qi Liu; Rigan Xu; Daobin Mu; Guoqiang Tan; Hongcai Gao; Ning Li; Renjie Chen; Feng Wu
    • 摘要: It is essential to replace lithium-ion batteries(LIBs)from the perspective of the Earth's resources and the sustainable development of mankind.Sodium-ion batteries(SIBs)are important candidates due to their low price and abundant storage capacity.Hard carbon(HC)and graphite have important applications in anode materials of SIBs.In this review,the research progress in electrolyte and interface between HC and graphite anode for SIBs is summarized.The properties and performance of three types of widely used electrolytes(carbo nate ester,ether,and ionic liquid)with additives,as well as the formation of solid electrolyte interface(SEI),which are crucial to the reversible capacity and rate capability of HC anodes,are also discussed.In this review,the co-intercalation performance and mechanism of solvation Na+into graphite are summarized.Besides,the faced challenges and existing problems in this field are also succinctly highlighted.
    • Chenxu Wang; Ryan Odstrcil; Jin Liu; Wei-Hong Zhong
    • 摘要: Despite numerous reported lithium metal batteries(LMBs) with excellent cycling performance achieved in labs, transferring the high performing LMBs from lab-scale to industrial-production remains challenging. Therefore, via imitating the stand-still process in battery production, a conventional but important procedure, to investigate the formation and evolution of a solid electrolyte interface(SEI) is particularly important for LMBs. Our previous studies indicate that zein(corn protein)-modified carbonate-ester electrolyte(the most commercialized) effectively improves the performance of LMBs through guiding Li-ions and repairing cracked SEI. Herein, we investigate the formation and evolution of the protein-modified SEIs on Li anodes by imitating the stand-still temperature and duration. A simulation study on the protein denaturation in the electrolyte under different temperatures demonstrates a highly unfolded configuration at elevated temperatures. The experiments show that this heat-treated-zein(H-zein) modified SEI forms quickly and becomes stable after a stand-still process of less than 100 min. Moreover, the Hzein SEI exhibits excellent wetting behavior with the electrolyte due to the highly unfolded protein structures with more functional groups exposed. The Li|Li cell with the H-zein SEI achieves prolonged cycling performance(>360 h vs. ~260 h of the cell with the untreated-zein(U-zein) modified SEI). The Li Fe PO_(4)|Li cell with the H-zein SEI shows much stable long-term cycling performance of capacity retention(70% vs.42% of the cell with U-zein SEI) after 200 cycles. This study confirms that the appropriately treated protein is able to effectively improve the performance of LMBs, and will inspire future studies for the production process of LMBs toward their commercialization.
    • Qi Jin; Kaixin Zhao; Lu Li; Xinzhi Ma; Lili Wu; Xitian Zhang
    • 摘要: Among the alternatives to lithium-ion batteries,lithium-sulfur(Li-S)batteries are considered as an attractive option because of their high theoretical energy density of 2570 Wh kg^(−1).However,the application of the Li-S battery has been plagued by the rapid failure of the Li anode due to the Li dendrite growth and severe parasitic reactions between Li and lithium polysulfides.The physicochemical properties of the solid-electrolyte interphase have a profound impact on the performance of the Li anode.Herein,a lithium polyacrylic acid/lithium nitrate(LPL)-protective layer is developed to inhibit the dendrite Li growth and parasitic reactions by tailoring the spatial distribution and content of LiN_(x)O_(y) and Li_(3)N at the SEI.The modified SEI is thoroughly investigated for compositions,ion transport properties,and Li plating/stripping kinetics.Consequently,the Li-S cell with a high S loading cathode(5.0 mg cm^(−2)),LPL layer-protected thin Li anode(50μm),and 40μL electrolyte shows a long life span of 120 cycles.This work evokes the avenue for regulating the spatial distribution of inorganic nitride at the SEI to suppress the formation of Li dendrites and parasitic reactions in Li-S batteries and perhaps guiding the design of analogous battery systems.
    • 孙丽丽
    • 摘要: 从前期的规划到工程设计以及到工程建设运维,SEI都在为恒力石化服务。过去SEI更多的是在给央企服务,做一些大的国企项目,这么大的民营炼化项目,SEI是第一次做。在合作之前,非常荣幸到恒力石化来了一趟,但这次来彻底颠覆了我对民营企业的看法:一个花园式的工厂,精致、精细的管理,连苕帚扫把放在哪里,都有编号、都有规定区域,玻璃特别亮,环境保持的特别好、特别洁净。
    • 摘要: DMG MORI 2013年10月1日,吉特迈集团与森精机有限公司统一更名为DMG MORI SEIKI。DMG MORI SEIKI全球所有的销售和服务公司统一使用的品牌是"DMG MORI"。DMG MORI中国负责DMG MORI SEIKI在世界范围所生产的产品的销售和服务业务。在中国以最宽的产品线,包括车削技术、铣削技术、全套复合加工技术、超声加工以及激光加工技术,通过12个销售服务分公司和4个技术中心为中国市场提供服务。
    • 岳彩文
    • 摘要: 阳泉北站石太场信号系统由行车调度指挥系统、信号集中监测系统、列控联锁一体化系统组成。其中,列控联锁一体化系统使用的是法国安萨尔多公司的SEI(联锁及列车控制系统),该系统与国内的安全理念和联锁设计有诸多不同,且存在许多特殊的联锁关系。本文就阳大铁路接入石太客专阳泉北站SEI系统与CTC车站自律分机接口以及临时限速服务器接口的技术方案、阳泉北站SEI系统改造对相关应答器报文进行修改的技术方案及SEI列控联锁一体化轨道电路编码的调试方法进行探讨。
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