UL SUBJECT 2591-2009
OUTLINE OF INVESTIGATION FOR BATTERY SEPARATORS (Issue 1)

Standard No.

UL SUBJECT 2591-2009

Release Date

2009

Published By

Underwriters Laboratories (UL)

Status

Be replaced 2018-10

Replace By

UL SUBJECT 2591-2018

Latest

UL SUBJECT 2591-2018

Scope

These requirements cover separators for use in lithium ion cells. These separators are intended to provide electrical insulation between the lithium-ion cell electrodes while still allowing for ion transport between the electrodes@ when filled with electrolyte.

UL SUBJECT 2591-2009 history

• 2018 UL SUBJECT 2591-2018 UL Outline of Investigation for Battery Cell Separators (Issue 3)
• 2009 UL SUBJECT 2591-2009 OUTLINE OF INVESTIGATION FOR BATTERY SEPARATORS (Issue 1)