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5-mil Polyimide Film (PIT5N) for Gel Battery

LINQblog — Thu, 17 Sep 2009 13:35:38 +0000

Lead-Acid Gel batteries are used in back-up power supplies for alarm and smaller computer systems (particularly in uninterruptible power supplies) and for electric scooters, electrified bicycles, transportation and marine applications. Unlike wet cells, gel cells are sealed, with pressure relief valves in case of overcharging. During normal use they cannot spill liquid electrolyte.

In the production of lead acid gel batteries for automobile and transportation sectors, gases such as H2 and O2 can be emitted. The emission of these gases by such batteries when charging or discharging can be controlled by sealing the top battery with an electrical resistant foil or film. For example, PIT5N (Polyimide) exhibits a high breakdown voltage, depending upon the film thickness. This material can be used to seal the valves, which would not protect the emission but would lower the rate of battery detonation, due to delocalized electrostatic discharge by the Polyimide film.

For each battery, a thin strip of film or tape is required to reduce these charges. These films are required for specific battery applications, where vicinity charges are higher.

For more information about polyimide tapes or any other of our products, visit us or contact us for more details.

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CAPLINQ to introduce Copper Foils for Battery, EMI, PCB

LINQblog — Wed, 04 Mar 2009 19:10:46 +0000

CAPLINQ will soon introduce a line of copper foil for shielding under its LINQSTAT brand name. The first product being developed is CFT3A: a 75um (3mil) Copper foil with a Conductive Acrylic Adhesive on a kraft paper release liner.

This CFTA tape is being developed for one of CAPLINQ’s customers that requested it for EMI shielding. Other thicknesses of electrolytic copper foil will eventually include:
-9um
-10um
-18um
-25um
-70um
-105um

These foils are use in the following industries: printed circuit boards (PCB), CCL, EMI, Lithium Battery & Polymer Lithium Battery.

The price of these foils has not yet been announced, but stay tuned, visit us or contact us for more details.

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LINQSTAT Conductive Film for Battery Design

LINQblog — Tue, 10 Feb 2009 17:47:12 +0000

We recently received a query whether LINQSTAT Volume Conductive will conduct electricity through thickness? The reason was for a new battery design, the designer needed to pass electricity from one metal object to another – but the two pieces couldn’t touch directly.

It was thought that LINQSTAT Volume Conductive Film be used between the two pieces of metal to transfer the charge. Since the material is carbon-filled, we believed it was possible and this was an application perfectly suited for the LINQSTAT.

When deciding on the thickness, we decided that the 4-mil LINQSTAT (VCF-40036S/2) was the best thickness to use.

After sending a few meters for testing, it was confirmed that the news was great. The LINQSTAT VCF-40036S/2 worked flawlessly to gather and transfer a charge from one battery to another.

For more information on LINQSTAT VCF-40036S/2, please contact us or visit the CAPLINQ website today to find out more, or for more information.

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