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    • 9. 发明申请
    • COMPOSITE MATERIALS CONTAINING METALLIZED CARBON NANOTUBES AND NANOFIBERS
    • 包含金属化碳纳米管和纳米纤维的复合材料
    • WO2010120813A2
    • 2010-10-21
    • PCT/US2010/030933
    • 2010-04-13
    • APPLIED MATERIALS, INC.LOPATIN, Sergey D.BACHRACH, Robert Z.CHEN, Liang-Yuh
    • LOPATIN, Sergey D.BACHRACH, Robert Z.CHEN, Liang-Yuh
    • H01M4/02H01M4/64H01M10/0525H01G9/042B82B3/00
    • H01M4/66H01M4/133H01M4/366H01M4/587H01M4/626H01M4/661H01M4/667H01M10/0525Y10T29/49115
    • A method and apparatus are provided for the cost effective formation of a composite material which includes metallized carbon nanotubes and/or nanofibers that can be used to form portions of an energy storage device, such as a lithium ion battery. In one embodiment, carbon nanotubes are formed on a host substrate using a catalytic chemical vapor deposition process. An initiation-adhesion layer is formed over the carbon nanotubes and a metallic layer is then deposited on the initiation-adhesion layer and each layer is formed using a wet deposition process. In one embodiment, portions of the host substrate are used to form an electrochemical storage device that may be integrated with other formed electrochemical storage devices to create an interconnected battery array. The battery array may be formed as a woven sheet, panel, or other flexible structure depending upon the type of host substrate material. In one case, the host substrate material may be a flexible fibrous material that has multiple layers formed thereon to form a fiber battery, such as a lithium ion battery.
    • 提供了一种用于成本有效地形成复合材料的方法和装置,所述复合材料包括可用于形成诸如锂离子电池的能量存储装置的部分的金属化碳纳米管和/或纳米纤维。 在一个实施方案中,使用催化化学气相沉积工艺在主体衬底上形成碳纳米管。 在碳纳米管上形成起始粘合层,然后在起始粘合层上沉积金属层,并且使用湿沉积工艺形成每个层。 在一个实施例中,主机衬底的部分用于形成电化学存储器件,其可以与其它形成的电化学存储器件集成以产生互连的电池阵列。 取决于主机基板材料的类型,电池阵列可以形成为编织片,面板或其它柔性结构。 在一种情况下,主体衬底材料可以是其上形成有多层以形成诸如锂离子电池的纤维电池的柔性纤维材料。
    • 10. 发明申请
    • ANODE STRUCTURE WITH BINDERS FOR SILICON AND STABILIZED LITHIUM METAL POWDER
    • 阳极结构与粘结剂用于硅和稳定的锂金属粉末
    • WO2017123443A1
    • 2017-07-20
    • PCT/US2017/012192
    • 2017-01-04
    • APPLIED MATERIALS, INC.
    • LIU, GaoLOPATIN, Sergey D.LIU, Eric H.JOSHI, Ajey M.AI, GuoWANG, ZhihuiZHAO, HuiWANG, Donghai
    • H01M4/04H01M4/62H01M4/36H01M4/02
    • H01M10/052H01M4/0402H01M4/134H01M4/1395H01M4/366H01M4/382H01M4/622H01M2004/027
    • A simple solution processing method is developed to achieve uniform and scalable stabilized lithium metal powder coating on Li-ion negative electrode. A solvent and binder system for stabilized lithium metal powder coating is developed, including the selection of solvent, polymer binder and enhancement of polymer concentration. The enhanced binder solution is 1% concentration of polymer binder in xylene, and the polymer binder is chosen as the mixture of poly(styrene-co-butadiene) rubber (SBR) and polystyrene (PS). Long-sustained, uniformly dispersed stabilized lithium metal powder suspension can be achieved with the enhanced binder solution. A uniform stabilized lithium metal powder coating can be achieved with simple doctor blade coating method and the resulting stabilized lithium metal powder coating can firmly glued on the anode surface. With the prelithiation of negative electrode by stabilized lithium metal powder, improvements in electrochemical performances are demonstrated in both graphite/NMC and SiO/NMC full-cell.
    • 开发了一种简单的溶液处理方法,以在锂离子负极上实现均匀且可放大的稳定的锂金属粉末涂层。 开发了用于稳定锂金属粉末涂料的溶剂和粘合剂体系,包括溶剂,聚合物粘合剂的选择和聚合物浓度的提高。 增强的粘合剂溶液是在二甲苯中1%浓度的聚合物粘合剂,聚合物粘合剂选作聚(苯乙烯 - 丁二烯共聚物)橡胶(SBR)和聚苯乙烯(PS)的混合物。 增强的粘合剂溶液可以实现持久的,均匀分散的稳定化锂金属粉末悬浮液。 用简单的刮刀涂布方法可以获得均匀稳定的锂金属粉末涂层,并且所得稳定的锂金属粉末涂层可牢固地粘合在阳极表面上。 通过稳定的锂金属粉末对负极进行预锂化,在石墨/ NMC和SiO / NMC全电池中都证明了电化学性能的改进。