3m Company · NYSE:MMM
3m — Technical Presentation (2023)
17 slides from 3m's technical presentation, 2023
Slide 1: 3M Cell Expansion Foam SJCEF
3M™ Cell Expansion Foam SJCEF
Slide 2: 3M Cell Expansion Foam SJCEF Product Construction
3M™ Cell Expansion Foam SJCEF Product Construction Key Properties • Flame retardant • CFD (Compression Force Deflection) • Self Tackiness (Adhesion) • Release Force (PET Liner) PU Foam (1.0 - 2.0 mm) Base film (0.075mm) © 3M 2023. All Rights Reserved. 3M Public. 2
Slide 3: Key drivers → Trends → Solutions
Key drivers → Trends → Solutions Drive Range Affordability Charge Convenience Driving Performance Reliability | Safety | Sustainability Comfort Battery Barrier materials Between cell thermal barrier | Above cell barrier | Vent path solutions Global Safety Regulation & Standard Pressure management Be
Slide 4: Trends/Design Challenges in Pouch Battery Packs
Trends/Design Challenges in Pouch Battery Packs Drive Range Affordability Charge Convenience Driving Performance Reliability | Safety | Sustainability Comfort Reliable performance and High energy density at cell High efficiency module/pack longevity of battery cells and pack level assembly 3M can he
Slide 5: Why is CFD Important?
Why is CFD Important? Compression Force Deflection Small Cyclic Volumetric Change with Charge The more consistent the pressure the more uniform the Compressive Stress 𝐹𝑜𝑟𝑐𝑒ൗ battery performs, which is 𝐴𝑟𝑒𝑎 directly correlated to battery Compressive lifespan. Strain △Foam Gap Δ𝑡ൗ…
Slide 6: Customer Challenges
Customer Challenges Reliable performance and longevity of battery cells Higher internal resistance caused by Poor porosity leads to reduced poor particle to particle contact electrolyte mobility in separator Anode Si degradation/Accelerated Differential lithiation caused by local anode aging caused
Slide 7: How Can 3M Cell Expansion Foam SJCEF Help?
How Can 3M Cell Expansion Foam SJCEF Help? Reliable performance and longevity of battery cells Excellent thickness tolerance Wide range of CFD Customized CFD Excellent compression plateau Low density/Light weight Excellent technical support with Wide thickness range accumulated data pool 3M can tail
Slide 8: Customer Challenges
Customer Challenges High efficiency module/pack assembly process Lamination of multiple layers Multiple liner waste and equipment calibration Multiple complex processing steps and assembly constraints can lead to poor yields and scrap © 3M 2023. All Rights Reserved. 3M Public. 8
Slide 9: How Can 3M Cell Expansion Foam SJCEF Help?
How Can 3M Cell Expansion Foam SJCEF Help? High efficiency module/pack assembly Easy liner release Easy reposition during assembly Self tackiness Single liner The self-tacky properties mean 3M Cell Expansion Foam SJCEF can be applied without additional adhesives, which are less compressible © 3M 202
Slide 10: Customer Challenges
Customer Challenges High energy density at module and pack level Larger volume changes during High usage of non-battery materials cycling of high energy cell chemistry results in low cell-to-pack ratio Variation in all the component tolerances in the assembly New battery designs are challenged to re
Slide 11: How Can 3M Cell Expansion Foam SJCEF Help?
How Can 3M Cell Expansion Foam SJCEF Help? High energy density at cell and pack level Thin profiles Low density/Light weight Excellent thickness tolerance 3M Cell Expansion Foam SJCEF can help minimize the footprint of non-cell related components © 3M 2023. All Rights Reserved. 3M Public. 11
Slide 12: 3M Cell Expansion Foam SJCEF Product Construction
3M Cell Expansion Foam SJCEF Product Construction Key Properties Property Value • Flame retardant Material Microcellular Polyurethane Color Black • CFD (Compression Force Deflection) Release Liner Silicone coated, Polyester film 0.075 mm • Self Tackiness (Adhesion) Foam Thickness* 1.0 - 2.0 mm • Rel
Slide 13: Product Portfolio
3M Cell Expansion Foam SJCEF Portfolio Hardness Shore 00 LD: Low Density SR: Slow Recovery (SJCEF Series) SJCEF-017-B1 SJCEF-020-B2 Original Hard P: Permanent PET Liner (Cast Liner) Over 30 SJCEF-010 SJCEF-016 Low Density (-LD Series) H2H-020-LD Slow Recovery (-SR Series) SJCEF-018-SR-B1 Soft Below
Slide 14: Typical Physical Properties
Typical Physical Properties Note: The following technical information and data should be considered as representative or typical only and should not be used for specification purposes. Product Name SJCEF-010 SJCEF-016 SJCEF-020-B2 SJCEF-017-B1 H2H-020-LD SJCEF-018-SR-B1 Customized CFD Customized CFD
Slide 15: Compression Plateau
Compression Plateau 3M Cell Expansion Foam SJCEF Compression Response 500 3M SJCEF-0XX-SR-X 400 3M SJCEF-0XX 3M H2H-0XX-LD Compression Load (kPa) 300 3M Cell Expansion Foam SJCEF offers customizable compression range based on customer requirements 200 Existing design window 100 0 0 10 20 30 40 50 60
Slide 16: Summary
Summary Note: Product selection is ultimately the customer’s responsibility. Customers should conduct their own tests under actual use and storage conditions to determine whether the product is fit for a particular purpose and method of application. Customizable compression plateau for consistent ba
Slide 17: Intended Use
Intended Use: These products are intended for use within a high voltage lithium-ion battery pack to help address forces generated in the assembly and operation of modules in automotive, off-highway, industrial and marine applications. Since there are many factors that can affect a product’s use, the