A new neutron depth profiling spectrometer at the JCNS for a focused neutron beam

Extensive efforts have been made to improve the Li‐ionic conductivity of solid electrolytes (SE) for developing promising all‐solid‐state Li‐based batteries (ASSB). Recent studies suggest that minimizing the existing interface problems is even more important than maximizing the conductivity of SE. Interfaces are essential in ASSB, and their properties significantly influence the battery performance. Interface problems, arising from both physical and (electro)chemical material properties, can significantly inhibit the transport of electrons and Li‐ions in ASSB. Consequently, interface problems may result in interlayer formation, high impedances, immobilization of moveable Li‐ions, loss of active host sites available to accommodate Li‐ions, and Li‐dendrite formation, all causing significant storage capacity losses and ultimately battery failures. The characteristic differences of interfaces between liquid‐ and solid‐type Li‐based batteries are presented here. Interface types, interlayer origin, physical and chemical structures, properties, time evolution, complex interrelations between various factors, and promising interfacial tailoring approaches are reviewed. Furthermore, recent advances in the interface‐sensitive or depth‐resolved analytical tools that can provide mechanistic insights into the interlayer formation and strategies to tailor the interlayer formation, composition, and properties are discussed.

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“…A detailed description of the NDP method and a description of existing NDP facilities can be found elsewhere. [ 344 ]…”

Section: Interface‐sensitive Techniquesmentioning

confidence: 99%

Interface Aspects in All‐Solid‐State Li‐Based Batteries Reviewed

Chen

Jiang

Zhou

et al. 2021

Advanced Energy Materials

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“…( 3 He,6 Li, 10 B, and several others) its use has increased using the instruments recently constructed at research reactors in China[Chanjuan et al 2019], India[Mandal et al 2020], South Korea[Park et al 2014], Germany[Vezhlev et al 2020] [Werner et al 2018, and the United States[Mulligan et al 2012]. …”

mentioning

confidence: 99%