摘要：【中文】本发明公开了一种硅碳负极的制作方法，配方包括：石墨烯、碳纳米管、硅颗粒、二氧化硅、四氢呋喃、沥青、有机溶剂、聚苯乙烯、导电剂和粘和剂，各组分的质量百分含量分别是：15‑25％的石墨烯、20‑30％的碳纳米管、15‑25％的硅颗粒、10‑20％的二氧化硅、2‑4％的四氢呋喃、10‑20％的沥青、1‑3％的有机溶剂、5‑10％的聚苯乙烯、0.5‑1％的导电剂和0.5‑1％的粘和剂；制备方法包括以下步骤，步骤一，原料选取；步骤二，混合加工；步骤三，硅粉制作；步骤四，硅碳包覆；步骤五，烧结烘干；步骤六，检验存储，该发明，安全可靠，采用石墨烯、碳纳米管与硅颗粒作为硅碳负极原料，使用沥青进行溶解包覆，能极大消除硅碳负极表面的缺陷与杂质，同时大大提高了石墨的电化学性能。 【EN】The invention discloses a manufacturing method of a silicon-carbon cathode, which comprises the following steps: the composite material comprises graphene, carbon nano tubes, silicon particles, silicon dioxide, tetrahydrofuran, asphalt, an organic solvent, polystyrene, a conductive agent and an adhesive, wherein the mass percentage of each component is as follows: 15-25% of graphene, 20-30% of carbon nanotubes, 15-25% of silicon particles, 10-20% of silicon dioxide, 2-4% of tetrahydrofuran, 10-20% of asphalt, 1-3% of organic solvent, 5-10% of polystyrene, 0.5-1% of conductive agent and 0.5-1% of adhesive; the preparation method comprises the following steps of firstly, selecting raw materials; step two, mixing and processing; step three, preparing silicon powder; step four, silicon carbon coating; step five, sintering and drying; and step six, checking and storing, wherein the method is safe and reliable, adopts the graphene, the carbon nano tube and the silicon particles as the silicon-carbon cathode raw materials, and uses asphalt for dissolving and coating, so that the defects and impurities on the surface of the silicon-carbon cathode can be greatly eliminated, and the electrochemical performance of the graphite is greatly improved.

摘要：【中文】本发明公开了一种粉碎‑混批一体化生产的工艺制备方法，包括出料仓、粉碎装置、粗粉收集仓、第一细粉收集仓、中转仓、双螺旋均质机和第二细粉收集仓，所述储料仓的进口端和出口端均设置有传送带，出料仓进口端的传送带上放置粗破料。本粉碎‑混批一体化生产的工艺制备方法，将传统的吊臂式投料方式改为稳定的传送带输送，降低劳动强度，提高了安全系数，改善了工作环境；将粉碎工序与混批工序进行有机结合，提高粉碎料组分的均匀性，提高后续整形工艺的稳定性，且提高了工作稳定性。 【EN】The invention discloses a crushing-mixing-batch integrated production process preparation method which comprises a discharge bin, a crushing device, a coarse powder collecting bin, a first fine powder collecting bin, a transfer bin, a double-screw homogenizer and a second fine powder collecting bin, wherein conveying belts are arranged at the inlet end and the outlet end of the storage bin, and coarse crushing materials are placed on the conveying belts at the inlet end of the discharge bin. According to the crushing-mixing-batch integrated production process preparation method, the traditional suspension arm type feeding mode is changed into a stable conveying belt conveying mode, so that the labor intensity is reduced, the safety coefficient is improved, and the working environment is improved; the crushing process and the batch mixing process are organically combined, so that the uniformity of the components of the crushed material is improved, the stability of the subsequent shaping process is improved, and the working stability is improved.

摘要：【中文】本发明公开了一种中空核壳结构硅碳复合负极材料及其制备方法，将硅粉、金属Li、膨胀石墨、表面活性剂和研磨剂混合后进行球磨制得纳米硅浆料；将所得纳米硅浆料和可溶性树脂、添加剂、发泡剂按照一定的质量比分散到分散剂中，并在高速搅拌下形成均质分散液；对所得分散液在一定条件下进行喷雾干燥得到纳米硅/树脂微球，所得微球在惰性气体保护下，于750～1100℃进行碳化处理，降温至室温过筛得到中空核壳结构硅碳复合负极材料。本发明制备出的硅碳复合负极材料具有形貌规整、粒径均匀、表面光滑、硅分布均匀、高容量、循环稳定性好的优点。 【EN】The invention discloses a silicon-carbon composite anode material with a hollow core-shell structure and a preparation method thereof, wherein silicon powder, metal Li, expanded graphite, a surfactant and an abrasive are mixed and then subjected to ball milling to prepare nano silicon slurry; dispersing the obtained nano silicon slurry, soluble resin, additive and foaming agent into a dispersing agent according to a certain mass ratio, and forming a homogeneous dispersion liquid under high-speed stirring; and carrying out spray drying on the obtained dispersion liquid under certain conditions to obtain nano silicon/resin microspheres, carrying out carbonization treatment on the obtained microspheres at 750-1100 ℃ under the protection of inert gas, cooling to room temperature, and sieving to obtain the silicon-carbon composite anode material with the hollow core-shell structure. The silicon-carbon composite negative electrode material prepared by the invention has the advantages of regular appearance, uniform particle size, smooth surface, uniform silicon distribution, high capacity and good cycling stability.

摘要：【中文】本发明公开了一种改性硬炭负极材料的制备方法，包括如下步骤：将酚单体溶解于去离子水中，调节PH为碱性，记为A溶液；向A溶液中加入一定比例的醛单体，搅拌均匀得到B溶液，并通过缩聚反应得到酚醛树脂凝胶；将酚醛树脂凝胶放入加热反应釜内并在50～80℃温度下进行交联老化反应，降温至室温进行真空干燥和粗碎处理得到酚醛树脂；将酚醛树脂在惰性气体保护下在500～800℃温度下进行预碳化处理，温度降至室温后经粉碎得到硬炭前驱体；将活性锂化物负载到硬炭前驱体中，再在惰性气体保护下在1000～1350℃温度下碳化处理，温度降至室温后过筛即得改性硬炭。该制备方法制得的改性硬炭负极材料具有高可逆比容量、高充放电效率。 【EN】The invention discloses a preparation method of a modified hard carbon negative electrode material, which comprises the following steps: dissolving a phenol monomer in deionized water, adjusting the pH to be alkaline, and marking as A solution; adding aldehyde monomers in a certain proportion into the solution A, uniformly stirring to obtain a solution B, and carrying out polycondensation reaction to obtain phenolic resin gel; putting the phenolic resin gel into a heating reaction kettle, carrying out a crosslinking aging reaction at the temperature of 50-80 ℃, cooling to room temperature, and carrying out vacuum drying and coarse crushing treatment to obtain phenolic resin; carrying out pre-carbonization treatment on phenolic resin at 500-800 ℃ under the protection of inert gas, cooling to room temperature, and crushing to obtain a hard carbon precursor; loading the active lithiated compound into a hard carbon precursor, carbonizing at 1000-1350 ℃ under the protection of inert gas, cooling to room temperature, and sieving to obtain the modified hard carbon. The modified hard carbon negative electrode material prepared by the preparation method has high reversible specific capacity and high charge-discharge efficiency.

摘要：【中文】本发明公开了一种有关分级机加料口进料方式的改进方法，包括分级机本体，分级机本体的底端安装有支撑台，支撑台的右侧两端固定焊接有筛网支架定位座；所述分级机本体的上端内部固定安装与分级箱，分级箱的右侧顶端固定焊接有支撑台板；所述分级机本体的右侧上端设有进料仓，进料仓的出料端正对支撑台板上的进料槽孔，并采用焊接的方式与支撑台板固定连接。本有关分级机加料口进料方式的改进方法，将物料过筛与分级机本体的分离工序有机结合在一起，一方面增加了工作效率，降低了能耗，节约了生产成本，另一方面过筛工序与分级工序结合在一起，有效利用空间，使得设备构造更加完整、合理。 【EN】The invention discloses an improvement method related to a feeding mode of a charging opening of a grader, which comprises a grader body, wherein a supporting table is arranged at the bottom end of the grader body, and screen support positioning seats are fixedly welded at two ends of the right side of the supporting table; the inner part of the upper end of the classifier body is fixedly provided with a classifying box, and the top end of the right side of the classifying box is fixedly welded with a supporting platen; the upper end of the right side of the grader body is provided with a feeding bin, and the discharging end of the feeding bin is opposite to a feeding slot hole in the supporting bedplate and is fixedly connected with the supporting bedplate in a welding mode. This improvement method about grader charge door feed mode, the separation process that sieves the material and the grader body is in the same place organically, has increased work efficiency on the one hand, has reduced the energy consumption, has practiced thrift manufacturing cost, and on the other hand the process of sieving combines together with the grading process, effectively utilizes the space for equipment structure is more complete, reasonable.

摘要：【中文】本发明公开了一种快充石墨，包括石墨前驱体、粘结剂和沥青液，所述石墨前驱体包括如下重量份数比：石墨前驱体的含量为100‑150g；粘结剂由硝酸铝和乙醇组成，包括如下重量份数比：硝酸铝的含量为15‑20g和乙醇的含量为12‑13g；沥青液由沥青、汽油、煤油、柴油和工业苯组成，包括如下重量份数比：沥青的含量为18‑22g、汽油的含量为2‑5g、煤油的含量为1‑4g、柴油的含量为2‑5g和工业苯的含量为3‑5g。本快充石墨及其制作方法，让石墨前驱体在溶液中无序分布，喷雾干燥后形成各项同性的二次颗粒，经过升温碳化后使二次颗粒里的沥青融化将二次颗粒中无序排布的前驱体粘合，经过石墨化后能形成各向同性优异的石墨二次颗粒，增加石墨嵌锂通道，提高石墨负极的倍率性能。 【EN】The invention discloses a quick-filling graphite, which comprises a graphite precursor, a binder and asphalt liquid, wherein the graphite precursor comprises the following components in parts by weight: the content of the graphite precursor is 100-150 g; the adhesive consists of aluminum nitrate and ethanol, and comprises the following components in parts by weight: the content of aluminum nitrate is 15-20g and the content of ethanol is 12-13 g; the asphalt liquid consists of asphalt, gasoline, kerosene, diesel oil and industrial benzene, and comprises the following components in parts by weight: the content of asphalt is 18-22g, the content of gasoline is 2-5g, the content of kerosene is 1-4g, the content of diesel oil is 2-5g and the content of industrial benzene is 3-5 g. According to the quick-charging graphite and the preparation method thereof, graphite precursors are distributed in a solution in a disordered manner, isotropic secondary particles are formed after spray drying, pitch in the secondary particles is melted after temperature rise and carbonization to bond the precursors which are distributed in the secondary particles in a disordered manner, graphite secondary particles with excellent isotropy can be formed after graphitization, a graphite lithium-embedding channel is increased, and the rate capability of a graphite cathode is improved.

摘要：【中文】本发明公开了一种海绵状多孔结构硅基复合材料及其制备方法，包括如下质量份数的原材料：纳米硅10‑20份、膨化石墨20‑40份、金属Li 20‑40份、海藻酸钠10‑20份、分散剂2‑8份、有机溶剂2‑8份。本发明具有高首效、低膨胀和长循环等优点，海绵状的碳导电网络能有效的提高硅基材料的导电性，同时海绵结构能有效的缓解充放电过程中的体积效应，有效的避免了材料在循环过程中的粉化，缓解了硅基材料的体积膨胀效应、提升了循环性能，能提高材料的导电性和倍率性能。 【EN】The invention discloses a spongy porous silicon-based composite material and a preparation method thereof, wherein the spongy porous silicon-based composite material comprises the following raw materials in parts by mass: 10-20 parts of nano silicon, 20-40 parts of expanded graphite, 20-40 parts of metal Li, 10-20 parts of sodium alginate, 2-8 parts of a dispersing agent and 2-8 parts of an organic solvent. The invention has the advantages of high first efficiency, low expansion, long cycle and the like, the spongy carbon conductive network can effectively improve the conductivity of the silicon-based material, and the sponge structure can effectively relieve the volume effect in the charging and discharging process, effectively avoid the pulverization of the material in the cycle process, relieve the volume expansion effect of the silicon-based material, improve the cycle performance and improve the conductivity and the rate capability of the material.

摘要：【中文】本发明公开了一种纽扣式锂离子电池及其制作方法，包括负极盖、泡沫镍、石墨负极、隔膜、钴酸锂正极以及与负极盖嵌合的正极盖，负极盖盖合在正极盖上，负极盖和正极盖之间自上而下依次安装泡沫镍、石墨负极、隔膜、钴酸锂正极，包括如下步骤：根据规定的N/P比涂布相应面密度的正负极极片，将正负极极片采用烘干箱烘干；烘干正负极极片后辊压，将正极极片冲压为直径12mm圆片，负极极片为直径16mm圆片，隔膜为直径18mm圆片；干燥后放入手套箱中按相应顺序组装成纽扣电池，静置48h后安装至纽扣式锂离子电池测试柜测试。本发明制作的纽扣式锂离子电池，减少石墨待测样品的用量，从而能在有限的样品数量下进行电芯电化学性能测试。 【EN】The invention discloses a button type lithium ion battery and a manufacturing method thereof, the button type lithium ion battery comprises a negative electrode cover, foam nickel, a graphite negative electrode, a diaphragm, a lithium cobaltate positive electrode and a positive electrode cover embedded with the negative electrode cover, wherein the negative electrode cover covers the positive electrode cover, the foam nickel, the graphite negative electrode, the diaphragm and the lithium cobaltate positive electrode are sequentially arranged between the negative electrode cover and the positive electrode cover from top to bottom, and the button type lithium ion battery comprises the following steps: coating the positive and negative pole pieces with corresponding surface densities according to a specified N/P ratio, and drying the positive and negative pole pieces by adopting a drying box; drying the positive and negative pole pieces, then rolling, stamping the positive pole piece into a circular piece with the diameter of 12mm, stamping the negative pole piece into a circular piece with the diameter of 16mm, and stamping the diaphragm into a circular piece with the diameter of 18 mm; and after drying, putting the materials into a glove box, assembling the materials into a button battery according to a corresponding sequence, standing the button battery for 48 hours, and then installing the button battery to a button lithium ion battery test cabinet for testing. The button type lithium ion battery manufactured by the invention reduces the consumption of the graphite sample to be tested, thereby being capable of testing the electrochemical performance of the battery cell under the condition of limited sample quantity.