Patent · US Active

Separators, batteries, systems, vehicles, and related methods

US12263649B2 · kind B2 · utility

0Cited by
3References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 2023
Grant dateApr 1, 2025
Priority date
Expiry dateDec 4, 2043

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Improved battery separators, base films or membranes, batteries, cells, devices, systems, vehicles, and/or methods of making and/or using such separators, films or membranes, batteries, cells, devices, systems, vehicles, and/or methods of enhancing battery or cell charge rates, charge capacity, and/or discharge rates, and/or methods of improving batteries, systems including such batteries, vehicles including such batteries and/or systems, and/or the like; biaxially oriented porous membranes, composites including biaxially oriented porous membranes, biaxially oriented microporous membranes, biaxially oriented macroporous membranes, battery separators with improved charge capacities and the related methods and methods of manufacture, methods of use, and the like; flat sheet membranes, liquid retention media; dry process separators; biaxially stretched separators; dry process biaxially stretched separators having a thickness range between about 5 μm and 50 μm, preferably between about 10 μm and 25 μm, having improved strength, high porosity, and unexpectedly and/or surprisingly high charge capacity, such as, for example, high 10C rate charge capacity; separators or membranes with high…

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.