Patents Assigned to Policell Technologies, Inc.
  • Microporous membrane and its uses thereof
    Patent number: 6998193
    Abstract: A novel microporous membrane comprising a hot-melt adhesive and an engineering plastics, the methods of preparing such microporous membrane and the uses of the microporous membrane in, e.g., batteries, super capacitors, fuel cells, sensors, electrochromic devices or the like.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: February 14, 2006
    Assignee: Policell Technologies, Inc.
    Inventor: Luying Sun
  • Lithium-ion battery using heat-activatable microporous membrane
    Patent number: 6815123
    Abstract: The present application discloses a lithium-ion battery using heat-activatable microporous membrane which comprises a hot-melt adhesive, an engineering plastics, a tackifier and a filler. It also discloses methods of preparing such microporous membrane and the lithium-ion batteries. The battery built with the use of the microporous membrane of the present invention shows high rate capability, long cycle life, and low as well as stable impedance during charge-discharge cycling. The microporous membrane of the present invention also shows thermal shutdown behavior.
    Type: Grant
    Filed: December 17, 2002
    Date of Patent: November 9, 2004
    Assignee: Policell Technologies, Inc.
    Inventor: Luying Sun
  • Heat-activatable microporous membrane and its uses in batteries
    Patent number: 6527955
    Abstract: A novel microporous membrane comprising a hot-melt adhesive and an engineering plastics, the methods of preparing such microporous membrane and the uses of the microporous membrane in, e.g., batteries, super capacitors, fuel cells, sensors, electrochromic devices or the like.
    Type: Grant
    Filed: December 28, 2001
    Date of Patent: March 4, 2003
    Assignee: Policell Technologies, Inc.
    Inventor: Luying Sun