公开(公告)号：US20150180028A1

公开(公告)日：2015-06-25

申请号：US14634997

申请日：2015-03-02

申请人： SWEREA SICOMP AB

发明人： Leif ASP ,  Alexander BISMARCK ,  Göran LINDBERGH ,  Simon LEIJONMARCK ,  Tony CARLSON ,  Maria KJELL

IPC分类号： H01M4/36 ,  H01M4/583 ,  H01M4/04 ,  H01M4/133

CPC分类号： H01M4/366 ,  H01M2/1673 ,  H01M4/0404 ,  H01M4/0466 ,  H01M4/133 ,  H01M4/1393 ,  H01M4/36 ,  H01M4/583 ,  H01M4/587 ,  H01M10/0525 ,  H01M2300/0082

摘要： There is provided a battery and battery half cell comprising at least one carbon fiber as negative electrode, said carbon fiber comprising a plurality of layers with carbon atoms having graphite structure, and ability of intercalating metal ions, said carbon fiber having a strength of at least 1 GPa and a stiffness of at least 100 GPa in the longitudinal direction of said carbon fiber, said carbon fiber at least partially coated with at least one electrically insulating polymer layer acting as an electrolyte, wherein said insulating polymer layer is permeable for metal ions, and has a stiffness of at least 0.5 MPa, an ionic conductivity of at least 10−10 S/m and an electrical resistivity of at least 1010 Ωm, said insulating layer a thickness in the interval 10-200 nm. Advantages include possibility to utilize thin layers of electrolytes without creating large ohmic losses, structural batteries can comprise carbon fibers.

摘要翻译： 提供一种电池和电池半电池，其包括至少一个碳纤维作为负电极，所述碳纤维包括具有碳原子的多个具有石墨结构的层以及插入金属离子的能力，所述碳纤维的强度至少为 1GPa，并且在所述碳纤维的纵向上具有至少100GPa的刚度，所述碳纤维至少部分地涂覆有用作电解质的至少一个电绝缘聚合物层，其中所述绝缘聚合物层对金属离子是可渗透的， 并且具有至少0.5MPa的刚度，至少10-10S / m的离子电导率和至少1010Ω的电阻率，所述绝缘层的厚度在10-200nm的间隔内。 优点包括可以利用薄层电解质而不产生大的欧姆损耗，结构电池可以包括碳纤维。