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申请号:201711492736.5 公开号:CN108232154A 主分类号:H01M4/36(2006.01)I
申请人:国联汽车动力电池研究院有限责任公司 申请日:2017.12.30 公开日:2018.06.29
摘要:一种锂离子电池正极复合材料及其制备方法和锂离子电池,该正极复合材料由含硅化合物与LiaMn2O4复合,其中0.9≤a≤1.2,所述含硅化合物为SiCO、SiCNO、SiCN、SiBCN中1种或2种以上的组合,所述含硅化合物在复合材料中的质量分数为0.2‑20%。本发明提供的复合材料高温60℃循环稳定性比没有复合的LiaMn2O4有显著提高。
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申请号:201911311478.5 公开号:CN110931758A 主分类号:H01M4/36
摘要:【中文】本发明涉及一种用于锂硫电池的硫复合材料及其制备方法,硫复合材料包括载体和负载于所述载体表面的活性物质,所述活性物质为硫,所述载体由纳米颗粒材料、线性纳米材料和层状纳米材料组成。本发明通过不同微观形貌结构的纳米材料构建多维载体,可以显著提高复合材料中活性物质硫的含量,并通过高导电纳米颗粒的桥联作用及其对多硫化物的化学吸附作用,形成良好的电子导电网络,改善锂硫电池的充放电循环性能。采用本发明制备的多维度的硫复合材料中硫含量可高至90%以上,复合材料的初始放电比容量可达1290mAh/g。 【EN】The invention relates to a sulfur composite material for a lithium-sulfur battery and a preparation method thereof. According to the invention, the multi-dimensional carrier is constructed by the nano materials with different micro-morphology structures, so that the content of active substance sulfur in the composite material can be obviously improved, a good electronic conductive network is formed by the bridging action of the high-conductivity nano particles and the chemical adsorption action of the high-conductivity nano particles on polysulfide, and the charge-discharge cycle performance of the lithium-sulfur battery is improved. The sulfur content of the multi-dimensional sulfur composite material prepared by the method can reach more than 90 percent, and the initial discharge specific capacity of the composite material can reach 1290 mAh/g.
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申请号:201911382036.X 公开号:CN111129560A 主分类号:H01M8/1246
摘要:【中文】本发明属于固体电解质技术领域,尤其涉及一种氧化物固体电解质薄片及其制备方法和应用。本发明所述方法包括如下步骤:通过热压合的方式将两层或多层氧化物固体电解质生片压合为一层。本发明采用双层或多层热压复合的方式,可得到一种无通孔的致密氧化物固体电解质薄片,可有效提高致密固体电解质片的阻气密封效果。 【EN】The invention belongs to the technical field of solid electrolytes, and particularly relates to an oxide solid electrolyte sheet and a preparation method and application thereof. The method comprises the following steps: and laminating two or more layers of oxide solid electrolyte green sheets into one layer by means of hot pressing. The invention adopts a double-layer or multi-layer hot-pressing compounding mode to obtain a compact oxide solid electrolyte sheet without through holes, and can effectively improve the gas-barrier sealing effect of the compact solid electrolyte sheet.
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申请号:202010119963.9 公开号:CN111171126A 主分类号:C07K14/415
申请人:【中文】佛山科学技术学院【EN】FOSHAN University 申请日:2020.02.26 公开日:2020.05.19
摘要:【中文】本发明公开了一种薏苡仁糖蛋白的提取方法,该方法包括以下步骤:取薏苡仁,粉碎,加水,经恒温水化和高压均质预处理,然后浸提得到糖蛋白粗提液,粗提液离心后取上清液;再往上清液中加入Sevage试剂去除游离蛋白,搅拌离心收集上层水相部分;向水相部分加入50‑95%V/V乙醇溶液,反应过夜,生成沉淀,离心,将沉淀溶于水,透析,冷冻干燥得薏苡仁糖蛋白。本发明对薏苡仁原料进行高压均质预处理,并且在均质前进行了水化处理,达到提取前可溶性糖蛋白含量最大的目的。该糖蛋白提取预处理步骤使糖蛋白结构舒展,薏苡仁糖蛋白增大了与水的接触面积,从根本促进了薏苡仁糖蛋白的提取效率。 【EN】The invention discloses a method for extracting coix seed glycoprotein, which comprises the following steps: pulverizing Coicis semen, adding water, performing constant temperature hydration and high pressure homogenization pretreatment, leaching to obtain glycoprotein crude extract, centrifuging the crude extract, and collecting supernatant; adding Sevage reagent into the supernatant to remove free protein, stirring, centrifuging and collecting the upper aqueous phase part; adding 50-95% V/V ethanol solution into the water phase part, reacting overnight to obtain precipitate, centrifuging, dissolving the precipitate in water, dialyzing, and freeze drying to obtain Coicis semen glycoprotein. The invention carries out high-pressure homogenization pretreatment on the coix seed raw material and carries out hydration treatment before homogenization, thereby achieving the purpose of maximizing the content of soluble glycoprotein before extraction. The glycoprotein extraction pretreatment step enables the glycoprotein structure to be stretched, and the coix seed glycoprotein increases the contact area with water, thereby fundamentally promoting the extraction efficiency of the coix seed glycoprotein.
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申请号:202210228347.6 公开号:CN114610613A 主分类号:G06F11/36
摘要:本发明公开了一种面向在线实时的微服务调用链异常检测方法,首先将微服务调用链建模为自然语言序列,对调用链中记录的事件进行解析,将事件提取为语义序列及响应时间序列;然后利用词汇嵌入式表示算法提取出调用链中事件的向量化表示,将调用链表示为按时序排列的数值型向量序列,最后采用基于注意力机制的双层长短期记忆深度神经网络同时检测调用链中存在的微服务实例调用路径异常与性能异常。本发明不仅可以同时检测调用链中存在的两种类型的异常,而且提高了检测的速度和精度,减少了异常的误报和漏报。
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