Solvay offers a portfolio of specialty polymers formulated to provide Lithium-Ion (Li-Ion) batteries with lengthy-term sturdiness, chemical and electrochemical resistance and excessive-temperature performance to boost sustainability, increase battery vitality density, streamline manufacturing and reduce environmental footprint. Specifically, our value-effective, excessive-performing plastics are manufactured with superior properties increase adhesion, cycle life and processability in cathode binders, and increase energy and chemical resistance in separators and cell gaskets.
Today’s Li-Ion batteries should ship elevated power in more compact areas. Accordingly, OEMs demand components with excessive voltage tolerance, high temperature compatibility, prolonged cycle life and simplified processing for outstanding efficiency, manufacturing and storage compatibility. Additionally, the rapid expansion of the Li-Ion Lipo battery trade, OEMs concurrently require revolutionary options and materials with eco-pleasant processing strategies. Our polymerization technologies ship a family of specialty polymers that meet and exceed these lithium battery efficiency and processing expectations. For instance, Solvay continues to guide the battery market in environmentally pleasant options with the development of the first commercialized water-based mostly Polyvinylidene Fluoride (PVDF) for separator coatings.
Binders and Separators
Improved Battery Energy Density
Modern batteries require increased power densities to ship optimum efficiency in downsized, extra efficient methods and storage. Solvay’s polymerization expertise facilitates chemical modification to improve the adhesiveness. Flexibility of cathode binders utilized in high density electrodes. The unmatched cohesion and adhesion of our business-leading PVDF binders permits manufacturers to make the most of much less binder content material, which permits miniaturization and enhances efficiency and enhances efficiency. In case you loved this article and you would love to receive more info concerning lithium battery news generously visit the web-site. Specifically, Solef® PVDF is a partially fluorinated polymer with wonderful chemical properties and great temperature tolerance to offer unparalleled adhesion and anti-gelation and guarantee most efficiency within the manufacturing and performance of an array of Li-Ion batteries.
Adhesion is a key property which determines closing efficiency of batteries, especially in the long run. A superb binder ensures the homogeneous dispersion of energetic supplies. Conductive carbon together with stable bonding to the metallic collector.
Adhesion comparability
Enhanced Durability and Stability
Reliable Li-Ion batteries require highly adhesive binders with vital flexibility and a reliable interface between the separator and the electrodes to make sure long-time period performance. The wonderful adhesion of Solvay’s excessive-quality polymers for battery binders gives continued stability over prolonged periods. Additionally, our engineers coat the separators with additional layers of PVDF which increases wettability and permits high lamination energy inside the cell. Solef® PVDF is on the market in several modified grades utilized in both excessive-efficiency binders. Adhesive separator coatings to extend cycle life by limiting the leakage of electrolytes in fashionable Li-Ion batteries.
Unmatched Versatility and Innovation
Solvay’s Solef® PVDF is manufactured with outstanding mechanical properties to offer extreme versatility in numerous designs for separators, as a primary part or as further adhesive separator coatings. As well as, this excessive-efficiency, versatile polymer can be modified to create dense gelled or porous separator membranes, in addition to conventional solvent-primarily based coatings or trade-first, water-based coatings. Solef® PVDF gives all the benefits of a high-purity resin with chemical and electrochemical stability, quick wettability, controlled leakage of electrolytes and outstanding adhesion even in the harsh environments found in a lithium battery.
Optimized Processing and Manufacturing
As lithium battery functions proceed to evolve, OEMs require binders and separators with more superior and versatile properties than ever before to facilitate streamlined formulation and manufacturing. Solvay’s specialty polymers for lithium battery binders are designed with medium-excessive molecular weight to provide excellent adhesion for simplified, easy and secure manufacturing processes and slurry preparation. Our versatile supplies for Li-Ion separator membranes and coatings offer quite a lot of grades and adaptability to fulfill necessities in a variety of purposes.
Cell Gaskets
Advanced Fluoropolymers for Critical Seals
As Li-Ion battery technology evolves, Solvay supplies OEMs with high-efficiency fluoropolymers for cell gaskets to extend battery life and enhance battery processing security. Specifically Hyflon® MFA® (perfluoropolymer) and Tecnoflon® FKM (fluoroelastomer) deliver critical sealing properties with superb chemical, flame and excessive voltage resistance for improved processability and exemplary sealing efficiency throughout operation. Hyflon® MFA® is outfitted with distinctive chemical inertness and flame resistance to ship longevity and sturdiness in trendy Li-Ion batteries. Tecnoflon® FKM exhibits wonderful mold stream. Release to ensure good processability of cell gaskets. These fluorinated materials provide Li-Ion Lipo battery manufacturers with price-efficient part design flexibility whereas assembly the industry’s superior performance necessities.