公开(公告)号：US20150056491A1

公开(公告)日：2015-02-26

申请号：US14446236

申请日：2014-07-29

申请人： Dongguan Amperex Technology Limited ,  Ningde Amperex Technology Limited

发明人： Junhua ZHAO ,  Shengwu Zhang ,  Fenmin Cai ,  Shenglong Wang ,  Baiqing Zhang

IPC分类号： H01M2/16 ,  H01M10/0525 ,  H01M2/14

CPC分类号： H01M2/166 ,  H01M2/145 ,  H01M2/1653 ,  H01M2/1686 ,  H01M10/0525

摘要： The present disclosure provides an organic/inorganic composite porous separator and a preparation method thereof and an electrochemical device. The organic/inorganic composite porous separator comprises: a porous substrate; and an organic/inorganic composite porous coating coated on at least one surface of the porous substrate; the organic/inorganic composite porous coating comprises inorganic particles, an adhesive and organic particles with at least two swelling degrees, and the organic particles are swollen by a plasticizer. A preparation method of an organic/inorganic composite porous separator is used for preparing the previous organic/inorganic composite porous separator. An electrochemical device comprises the organic/inorganic composite porous separator. The separator can form an excellent interface, thereby reducing the risk of organic particles blocking micro pores, helping to improve the permeability of the separator, and improving the conductivity of the separator.

摘要翻译： 本公开内容提供了一种有机/无机复合多孔隔膜及其制备方法和电化学装置。 有机/无机复合多孔隔板包括：多孔基材; 以及涂覆在所述多孔基材的至少一个表面上的有机/无机复合多孔涂层; 有机/无机复合多孔涂层包括无机颗粒，粘合剂和具有至少两个溶胀度的有机颗粒，并且有机颗粒被增塑剂溶胀。 使用有机/无机复合多孔隔膜的制备方法来制备先前的有机/无机复合多孔隔膜。 电化学装置包括有机/无机复合多孔隔板。 隔板可以形成优良的界面，从而降低有机颗粒阻塞微孔的风险，有助于提高隔膜的渗透性，并提高隔膜的导电性。

公开(公告)号：US20160064711A1

公开(公告)日：2016-03-03

申请号：US14832608

申请日：2015-08-21

申请人： Ningde Amperex Technology Limited ,  Dongguan Amperex Technology Limited

发明人： Junhua ZHAO ,  Shenglong WANG ,  Shengwu ZHANG ,  Baiqing ZHANG

IPC分类号： H01M2/14 ,  B29C37/00 ,  B29C47/88 ,  H01M2/16 ,  H01M10/0525

CPC分类号： H01M2/145 ,  B29C48/08 ,  B29C48/91 ,  B29K2101/00 ,  B29K2105/0038 ,  B29K2105/04 ,  B29L2009/005 ,  B29L2031/3468 ,  H01M2/1646 ,  H01M2/1653 ,  H01M2/1686 ,  H01M10/0525

摘要： The present disclosure provides a preparation method of a porous composite separator, which comprises steps of: (1) a forming process of a porous separator substrate: taking organic particles as a raw material to obtain a porous separator substrate; (2) a coating process of a functional material layer: coating a functional material layer on at least one surface of the obtained porous separator substrate to obtain a porous separator substrate having a functional material layer; (3) a heat treating process: drying the functional material layer and heating the porous separator substrate and the functional material layer on the surface of the obtained porous separator substrate to obtain a porous composite separator. The preparation method can prepare a porous composite separator with an excellent performance in high efficiency and low cost, the porous composite separator has high porosity, high air permeability, high binding performance, high mechanical strength and high thermal stability.

摘要翻译： 本发明提供一种多孔复合隔板的制备方法，其特征在于，包括以下步骤：（1）多孔隔膜基板的成形工序：以有机粒子为原料，得到多孔隔板基板; （2）功能材料层的涂布工序：在所得到的多孔隔板基材的至少一个表面上涂布功能性材料层，得到具有功能性材料层的多孔隔板基板; （3）热处理工序：干燥功能材料层，加热多孔隔板基板和功能性材料层，得到多孔复合隔板。 该制备方法可以以高效率和低成本制备具有优异性能的多孔复合隔膜，多孔复合隔膜具有孔隙率高，透气性好，粘合性能好，机械强度高，热稳定性好等优点。

公开(公告)号：US20150280197A1

公开(公告)日：2015-10-01

申请号：US14593656

申请日：2015-01-09

申请人： Dongguan Amperex Technology Limited

发明人： Junhua ZHAO ,  Shengwu ZHANG ,  Yongle CHEN ,  Hui JIANG ,  Chaoyu GUAN ,  Xiaoyan LI ,  Wenqiang CHENG

IPC分类号： H01M2/16

CPC分类号： H01M2/1686 ,  H01M2/1653 ,  H01M2/166 ,  H01M10/0525

摘要： The present disclosure provides a composite porous separator and an electrochemical device. The composite porous separator comprises: a composite porous substrate; and a composite porous coating coated on at least one surface of the composite porous substrate. The composite porous substrate comprises a filler A and a polymer matrix, the filler A is at least one selected from a group consisting of inorganic particles and organic particles; the composite porous coating comprises a filler B and an adhesive, the filler B is at least one selected from a group consisting of inorganic particles and organic particles. The electrochemical device has the above composite porous separator. The present disclosure improves the thermal stability of the composite porous separator, and improves the anti-deformation capability and the capacity retention rate of the electrochemical device, and further improves the cycle performance and the low temperature dynamic performance of the electrochemical device.

摘要翻译： 本公开提供了一种复合多孔分离器和电化学装置。 复合多孔隔板包括：复合多孔基材; 以及涂覆在所述复合多孔基材的至少一个表面上的复合多孔涂层。 复合多孔基材包括填料A和聚合物基质，填料A为选自无机颗粒和有机颗粒中的至少一种; 复合多孔涂层包括填料B和粘合剂，填料B是选自无机颗粒和有机颗粒中的至少一种。 电化学装置具有上述复合多孔分离器。 本发明改善了复合多孔隔板的热稳定性，提高了电化学装置的抗变形能力和容量保持率，进一步提高了电化学装置的循环性能和低温动态性能。