Driving to Carbon Neutral: BAND-IT Battery Cell Stack Solutions

August 28.2023 | Product News

As the world progresses toward cleaner energy and reduced vehicle emissions, technological advancements have accelerated the use of alternative propulsion systems, from internal combustion engines (ICE) and hybrid vehicles to Battery Electric Vehicles (BEVs) and Hydrogen Fuel Cell Electric Vehicles (FCEVs).

Batteries for BEVs and FCEVs present a unique challenge not seen in traditional automotive design: significant weight distributed along the belly of the vehicle. These batteries are made up of individual cells that must be secured to a tray or enclosure to create the completed battery cell stack. Securing the cells requires a high-strength band clamp or metal clamp capable of withstanding loop yield forces as high as 200 kN (45,000 lbf). Due to these extreme forces, battery manufacturers continue to rely on the proven fastening solutions provided by BAND-IT.

BAND-IT offers two products that are currently being used by battery cell manufacturers: Ultra-Lok® and Tie-Lok®. The Ultra-Lok band clamp conforms to irregular shapes while demonstrating unified symmetry and consistent installation with the use of a battery-powered application tool.

For bundling smaller battery cells that require less retained force, the Tie-Lok system provides an ideal solution. These stainless steel tie wraps can bundle battery assemblies up to 110 inches in outside circumference. The installation tool provides consistent, repeatable feedback, guaranteeing installation is within specification every time.

BAND-IT Tie-Lok ties are used to hold battery cell stacks together during assembly in the manufacturing process. Battery cells are stacked, pressed together, and banded with two or more 9.5 mm Tie-Lok ties. The ties hold the press force in place while the cell stack is inserted into its final enclosure.

With a process capability (Cpk) of 1.67 for retained force and loop tensile performance, the IT8000 installation tool and the 9.5 mm Tie-Lok tie are a perfect fit for battery bundling applications.

For over 85 years, BAND-IT has transformed customers’ unique problems into formidable solutions. Just like the stainless steel fastening systems we manufacture, BAND-IT has evolved alongside the automotive industry with the expertise to modify standard clamping systems or develop new solutions catered to your specific needs.

Contact BAND-IT today to learn how our band clamp and metal clamp solutions provide a high-performance alternative to welding, bolting and custom fastening methods for battery cell stack applications.