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    • 3. 发明授权
    • Electrode structure and method for making same
    • 电极结构及其制作方法
    • US09577267B2
    • 2017-02-21
    • US14743304
    • 2015-06-18
    • Sion Power CorporationBASF SE
    • Chariclea Scordilis-KelleyRuediger SchmidtHolger SchneiderTracy Earl KelleySavannah V. Burnside-JoubertKlaus LeitnerHeino SommerJan TomfordeAlexander Panchenko
    • H01M4/1397H01M4/70H01M4/58H01M4/62H01M4/66H01M10/052H01M4/139H01M4/38H01M4/60
    • H01M4/70H01M4/139H01M4/38H01M4/382H01M4/581H01M4/602H01M4/625H01M4/626H01M4/661H01M4/663H01M10/052H01M2220/10H01M2220/20H01M2220/30Y02E60/122
    • Electrode structures and methods for making the same are generally described. In certain embodiments, the electrode structures can include a plurality of particles, wherein the particles comprise indentations relative to their convex hulls. As the particles are moved proximate to or in contact with one another, the indentations of the particles can define pores between the particles. In addition, when particles comprising indentations relative to their convex hulls are moved relative to each other, the presence of the indentations can ensure that complete contact does not result between the particles (i.e., that there remains some space between the particles) and that void volume is maintained within the bulk of the assembly. Accordingly, electrodes comprising particles with indentations relative to their convex hulls can be configured to withstand the application of a force to the electrode while substantially maintaining electrode void volume (and, therefore, performance). Particles having indentations relative to their convex hulls also occupy a relatively small volume, compared to spheres or other particles including boundaries that fill substantially all of their convex hulls, allowing one to introduce a desired amount of void volume while reducing the percentage of volume within the electrode occupied by particulate material.
    • 通常描述电极结构及其制造方法。 在某些实施方案中,电极结构可以包括多个颗粒,其中颗粒包括相对于其凸包的凹痕。 当颗粒彼此接近或接触时,颗粒的凹陷可以限定颗粒之间的孔。 另外,当包含相对于它们的凸包的凹痕的颗粒相对于彼此移动时,凹陷的存在可以确保在颗粒之间不产生完全接触(即,在颗粒之间保留一些空间) 体积保持在组件的主体内。 因此,包括相对于它们的凸包的凹陷的颗粒的电极可被配置为承受对电极施加的力,同时基本上保持电极的空隙体积(和因此的性能)。 与球体或其他颗粒相比,具有相对于其凸包的凹陷的颗粒也占据相对较小的体积,包括基本上填充其所有凸包的边界的边界,允许引入所需量的空隙体积同时减少 电极被颗粒材料占据。
    • 9. 发明申请
    • NEW SEPARATOR
    • 新分离器
    • US20150162586A1
    • 2015-06-11
    • US14561305
    • 2014-12-05
    • Sion Power CorporationBASF SE
    • Sven FleischmannRuediger SchmidtYuriy V. Mikhaylik
    • H01M2/16H01M10/052H01M2/14
    • H01M2/1686H01M2/145H01M2/1653H01M4/5815H01M10/052
    • Articles and methods including separators that can be used in electrochemical cells are provided. In some embodiments, a separator comprises at least one separator backbone (as component a)) and at least one polymer (as component b)). The polymer according to component b) may comprises polymerized units of at least one ethylenically unsaturated monomer having no additional functional groups and at least one ethylenically unsaturated anionic monomer. Processes for preparing the separators and the use of said separators in, for example, an electrochemical cell and, in particular, in a battery, are also provided. Electrochemical cells (e.g., a battery) containing a separator are also provided. In some embodiments, lithium-sulfur batteries that include a separator comprising charged groups (e.g., carboxylate groups) are provided.
    • 提供了可用于电化学电池的分离器的制品和方法。 在一些实施方案中,分离器包含至少一个分离器主链(作为组分a))和至少一种聚合物(作为组分b))。 根据组分b)的聚合物可以包含至少一种不含附加官能团的烯属不饱和单体和至少一种烯属不饱和阴离子单体的聚合单元。 还提供了用于制备隔板的方法和在例如电化学电池中,特别是在电池中使用所述隔板。 还提供了含有隔膜的电化学电池(例如电池)。 在一些实施方案中,提供了包括含有带电基团(例如羧酸酯基团)的隔膜的锂 - 硫电池。