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Yu Huigen
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1:
[发明]
【中文】一种制备高循环效率电极的系统 【EN】System for preparing high-cycle-efficiency electrode
申请号:
201811427687.1
公开号:CN111224070A 主分类号:H01M4/139
申请人:
【中文】北京卫蓝新能源科技有限公司【EN】BEIJING WELION NEW ENERGY TECHNOLOGY Co.,Ltd.
申请日:2018.11.27 公开日:2020.06.02
发明人:
【中文】黄杰
;
李文俊
;
李泓
;
俞会根【EN】Huang Jie
;
Li Wenjun
;
Li Hong
;
Yu Huigen
摘要:【中文】本发明提供了一种制备高循环效率电极的系统,包括电极处理单元,与电极处理单元串联的控温处理装置,控温处理装置包括控温真空处理装置或控温惰性处理装置;和与控温处理装置串联的剥离单元;或包括气氛箱;气氛箱内部为真空或惰性气氛;设置在气氛箱内部的电极处理单元、与电极处理单元串联的控温箱和与控温箱串联的剥离单元;电极处理单元包括第一金属源放卷轴;与第一金属源放卷轴并联的待补金属电极放卷轴;和与第一金属源放卷轴和待补金属电极放卷轴串联的压辊装置。该系统仅包括电极处理单元,及控温处理装置和剥离单元,系统简单,且该系统制备的电极具有较高首循环效率和较好循环性。电极制作的全电池具有较高首循环效率和容量保持率。 【EN】The invention provides a system for preparing a high-cycle-efficiency electrode, which comprises an electrode processing unit and a temperature control processing device connected with the electrode processing unit in series, wherein the temperature control processing device comprises a temperature control vacuum processing device or a temperature control inert processing device; and a stripping unit connected in series with the temperature control processing device; or comprises an atmosphere box; the inside of the atmosphere box is vacuum or inert atmosphere; the electrode treatment unit is arranged in the atmosphere box, the temperature control box is connected with the electrode treatment unit in series, and the stripping unit is connected with the temperature control box in series; the electrode processing unit comprises a first metal source unwinding shaft; the metal electrode unwinding shaft to be compensated is connected with the first metal source unwinding shaft in parallel; and the compression roller device is connected with the first metal source unwinding shaft and the metal electrode unwinding shaft to be compensated in series. The system only comprises an electrode processing unit, a temperature control processing device and a stripping unit, the system is simple, and the electrode prepared by the system has high first cycle efficiency and good cyclicity. The full cell manufactured by the electrode has higher first cycle efficiency and capacity retention rate.
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2:
[发明]
【中文】一种高循环效率电极的制备方法及其应用 【EN】Preparation method and application of electrode with high cycle efficiency
申请号:
201811427688.6
公开号:CN111224071A 主分类号:H01M4/1395
申请人:
【中文】北京卫蓝新能源科技有限公司【EN】BEIJING WELION NEW ENERGY TECHNOLOGY Co.,Ltd.
申请日:2018.11.27 公开日:2020.06.02
发明人:
【中文】黄杰
;
李文俊
;
李泓
;
俞会根【EN】Huang Jie
;
Li Wenjun
;
Li Hong
;
Yu Huigen
摘要:【中文】本发明提供一种高循环效率电极的制备方法及其应用,方法包括:将金属源和待补金属电极进行辊压、平压、气压或液压,实现物理粘连接触,在真空或惰性气氛下控温处理后再将金属源剥离,得到高循环效率电极;待补金属电极选自能迁移金属的负极或能迁移金属的正极;金属源为锂源或钠源。该方法只需将金属源和待补金属电极进行物理粘连接触,再在真空或惰性气氛下处理一定时间,即可得到高循环效率电极,方法简单;且待补金属电极同时具有电子电导和离子电导,因此,金属源会发生向待补金属电极的嵌金属过程;物理粘连接触中还存在金属元素的扩散过程,使电极具有高首循环效率和较好循环性。电极制作的电池具有较高首循环效率和容量保持率。 【EN】The invention provides a preparation method and application of a high-cycle-efficiency electrode, wherein the method comprises the following steps: rolling, flat pressing, air pressure or hydraulic pressure is carried out on the metal source and the metal electrode to be compensated to realize physical adhesion contact, and the metal source is peeled off after temperature control treatment in vacuum or inert atmosphere to obtain the electrode with high cycle efficiency; the metal electrode to be compensated is selected from a negative electrode capable of transferring metal or a positive electrode capable of transferring metal; the metal source is a lithium source or a sodium source. The method only needs to carry out physical adhesion contact on the metal source and the metal electrode to be compensated and then treat the metal source and the metal electrode for a certain time in vacuum or inert atmosphere, so that the electrode with high cycle efficiency can be obtained, and the method is simple; the metal electrode to be compensated has electronic conductivity and ionic conductivity at the same time, so that the metal source can generate a metal embedding process to the metal electrode to be compensated; the diffusion process of metal elements also exists in the physical adhesion contact, so that the electrode has high first cycle efficiency and better cyclicity. The battery manufactured by the electrode has higher first cycle efficiency and capacity retention rate.
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3:
[发明]
【中文】一种锂电池生产工艺及设备 【EN】Lithium battery production process and equipment
申请号:
201911380391.3
公开号:CN111082154A 主分类号:H01M10/0583
申请人:
【中文】北京卫蓝新能源科技有限公司【EN】BEIJING WELION NEW ENERGY TECHNOLOGY Co.,Ltd.
申请日:2019.12.27 公开日:2020.04.28
发明人:
【中文】李文俊
;
刘云皓
;
侯宝鹏
;
俞会根
;
李永伟【EN】Li Wenjun
;
Liu Yunhao
;
Hou Baopeng
;
Yu Huigen
;
Li Yongwei
摘要:【中文】本发明公开了一种锂电池生产工艺,其通过依次实施的预复合、层叠卷绕、裁切、取料、连续加工以及成品组装工序,将各极片与隔膜层叠后加工成型,并最终组装为电池预制品,该锂电池生产工艺的流程实施简便高效,能够实现锂电池产品的连续生产制造,大大提高了电池生产效率,并能够使得整个工艺流程相应简化,工作人员劳动强度相应降低。本发明还公开了一种用于上述锂电池生产工艺的锂电池生产设备。 【EN】The invention discloses a lithium battery production process, which comprises the steps of pre-compounding, stacking and winding, cutting, taking materials, continuously processing and assembling finished products, wherein each pole piece and a diaphragm are stacked and then processed and molded, and finally assembled into a battery prefabricated product. The invention also discloses lithium battery production equipment for the lithium battery production process.
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