Progress and Outlook on Few Component Composite Solid State Electrolytes
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MRS Advances © 2019 Materials Research Society DOI: 10.1557/adv.2019.264
PROGRESS AND OUTLOOK ON FEW COMPONENT COMPOSITE SOLID STATE ELECTROLYTES Chavis A. Stackhouse,1 Alyson Abraham,1 Kenneth J. Takeuchi,1,2 Esther S. Takeuchi,1,2,3 Amy C. Marschilok1,2,3,* 1
Department of Chemistry, Stony Brook University, Stony Brook, NY 11794
2
Department of Materials Science and Chemical Engineering, Stony Brook University, Stony Brook, NY 11794
3
Energy and Photon Sciences Directorate, Brookhaven National Laboratory, Upton NY 11973
*Corresponding author: [email protected]
ABSTRACT
Lithium solid-state composite electrolytes (LiSCEs) provide the opportunity for long life spans, low self-discharge, high reliability, high energy density, and safety. Additionally, this class of electrolytes can be used in electrolytically formed solid-state batteries (EFBs), which may promote reductions in cell manufacturing costs due to their simplicity of design and permit the formation of batteries with diverse architectures. Herein, we provide a discussion of LiSCEs, highlight some of the recent progress in EFB development, and present a forward outlook.
INTRODUCTION: The advancement and growth of civilization comes with demands in power consumption which present challenges in energy storage, conversion and distribution. The lithium ion battery (LIB) has been an attractive candidate to assuage global energy concerns for various energy applications. The LIB system offers numerous advantages, including long life spans, little self-discharge, high degree of reliability, high energy
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density, minimal memory effects, and a range of operating temperatures [1]. LIBs and derivative systems are being actively investigated as solutions for energy applications in electric and hybrid electric vehicles, portable electronics, and wearables devices, such as flexible displays, and microelectromechanical systems (MEMs) [1,2]. However, traditional LIBs have limitations including safety issues associated with lithium dendritic formation and flammable, reactive organic electrolytes [3]. In addition to safety considerations, new manufacturing processes will need to be developed to accommodate a wider variety of operating environments and form factors as the demand for advanced energy storage devices increases. In the pursuit of malleable, reliable and safer electrolyte systems, solid electrolytes represent an intriguing alternative owing to a reportedly higher thermal stability, absence of liquid electrolyte, larger electromechanical stability window, potential resistance to shock and vibration and, dependent upon electrolyte additives, a tuneable elastic modulus allowing for a higher degree of processability and flexibility. Amongst different solid electrolyte systems; which include garn
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