Exploring Chemical, Mechanical, and Electrical Functionalities of Binders for Advanced Energy-Storage Devices.
By Hao Chen, M. Ling, Luke Hencz, H. Ling, Gaoran Li, Zhan Lin, Gao Liu, Shanqing Zhang. Chemical Reviews, 2018
784 citations recorded by the source corpus.
Tremendous efforts have been devoted to the development of electrode materials, electrolytes, and separators of energy-storage devices to address the fundamental needs of emerging technologies such as electric vehicles, artificial intelligence, and virtual reality. However, binders, as an important component of energy-storage devices, are yet to receive similar attention. Polyvinylidene fluoride (PVDF) has been the dominant binder in the battery industry for decades despite several well-recognized drawbacks, i.e., limited binding strength due to the lack of chemical bonds with electroactive materials, insufficient mechanical properties, and low electronic and lithium-ion conductivities. The limited binding function cannot meet inherent demands of emerging electrode materials with high capacities such as silicon anodes and sulfur cathodes. To address these concerns, in this review we divide the binding between active materials and binders into two major mechanisms: mechanical interlocking and interfacial binding forces. We review existing and emerging binders, binding technology used in energy-storage devices (including lithium-ion batteries, lithium-sulfur batteries, sodium-ion batteries, and supercapacitors), and state-of-the-art mechanical characterization and computational methods for binder research. Finally, we propose prospective next-generation binders for energy-storage devices from the molecular level to the macro level. Functional binders will play crucial roles in future high-performance energy-storage devices.
Subfields: Automotive Engineering, Electrical and Electronic Engineering
View Paper: https://www.semanticscholar.org/paper/734485f1d15a0d0badebf890d943d9269fb31b7f
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Citations in the corpus
- Advances of polymer binders for silicon‐based anodes in high energy density lithium‐ion batteries (2021, background): “Polymer binder works to bind all electrode components (including active material, conductive agent and current collector) in together through multiple interactions, including mechanical interlocking, chemical bonding, van der Waals' forces, electrostatic forces, and so forth, which are greatly relat”