Synergistic halide-sulfide hybrid solid electrolytes for Ni-rich cathodes design guided by digital twin for all-solid-State Li batteries

Kim, Jong Seok; Jung, Seungwon; Kwak, Hiram; Han, Yoonjae; Kim, Suhwan; Lim, Jongwoo; Lee, Yongmin; Jung, Yoon Seok

doi:10.1016/j.ensm.2022.11.038

Cited by 30 publications

(21 citation statements)

References 65 publications

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“…[Reproduced from Ref. [78] Copyright (2022), with permission from Elsevier], c) Low magnification Transmission Electron Microscopy (TEM) of the NCM88 sample with schematic of interfacial layer with and without sulfide coating along with e) the corresponding electrochemical cycling analysis at 1C over 500 cycles.…”

Section: Traditional Cathode Surface Modification With Solid-based El...mentioning

confidence: 99%

“…electrolytes are known for their high ionic conductivity and exceptional stability when used with Ni-rich cathode materials (Figure 4b). Kim [78] This coating resulted in a notable enhancement in discharge capacity and rate capabilities. The separation of the unstable sulfide-electrolyte from the Ni-rich cathode material using a stable solid electrolyte interface is a highly promising surface modification technique for solid-state systems.…”

Section: Traditional Cathode Surface Modification With Solid-based El...mentioning

confidence: 99%

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A Perspective on the Requirements of Ni‐rich Cathode Surface Modifications for Application in Lithium‐ion Batteries and All‐Solid‐State Lithium‐ion Batteries

Choi,

Embleton,

et al. 2024

ChemElectroChem

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The increasing adoption of Ni‐rich cathode active materials in commercial liquid electrolyte Lithium‐ion batteries (LIBs) is testament to the improvements in the cathode stability through various surface modification strategies. The development of a deeper understanding of the cathode/electrolyte interface in LIBs has resulted in coatings capable of mitigating both surface and bulk cathode degradation mechanisms. However, due to increasing demands for safe and high energy density cells, a large portion of the research has now shifted towards applying Ni‐rich cathode active materials in inherently safer all‐solid‐state Lithium‐ion batteries (ASSLBs), with the resulting cathode surface modification strategies evolving differently. In this regard, a review outlining the surface modification strategies of Ni‐rich cathode materials applied in both LIB and ASSLB systems is provided. Within, a review of the traditional, advanced and specialized surface modification strategies of each system is discussed, along with a final perspective on the likely future direction of research regarding the design of system‐specific Ni‐rich cathode‐based surface modification strategies.

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Section: Traditional Cathode Surface Modification With Solid-based El...mentioning

confidence: 99%

Section: Traditional Cathode Surface Modification With Solid-based El...mentioning

confidence: 99%

A Perspective on the Requirements of Ni‐rich Cathode Surface Modifications for Application in Lithium‐ion Batteries and All‐Solid‐State Lithium‐ion Batteries

Choi,

Embleton,

et al. 2024

ChemElectroChem

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show abstract

“…229 In addition, the number of parameters should be considered simultaneously, making it challenging to derive significant correlations from the combinations of large dataset parameters. 228,[230][231][232][233] Thus, we must use more sophisticated engineering approaches to tackle these issues. These time-consuming trial-and-error processes could be significantly streamlined by increasing adeptness by adopting computational techniques in analyzing complex data sets with many variables.…”

Section: Optimization Assisted By Computational Techniquesmentioning

confidence: 99%

“…8(c)). 225,232 The computational technique assisted in explaining the ionic conductivity decrease in the polymer-in-ceramic SSEs made from NBR rubber and LPSCl with the increasing processing pressure. 221 Copyright 2019, Elsevier.…”

Section: Optimization Assisted By Computational Techniquesmentioning

confidence: 99%

A review of polymers in sulfide-based hybrid solid-state electrolytes for all-solid-state lithium batteries

Kim,

Seo,

Suba

et al. 2023

Mater. Chem. Front.

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“…This avoids the severe parasitic reactions that occur at high voltage, which is the intrinsic weakness of SSEs. − For the active material to deliver capacity effectively in ASSBs, close contact between the active material and the solid electrolyte is important. Therefore, in numerous studies, the active materials have been precoated with solid electrolytes. − In the same manner, in ASSLSBs, the formation of a close and compatible interface between the solid-phase materials (S 8 and SEs) is a priority for full utilization of sulfur, owing to the ionic insulating nature of elemental sulfur (S 8 ) …”

mentioning

confidence: 99%

Tailoring the Interface between Sulfur and Sulfide Solid Electrolyte for High-Areal-Capacity All-Solid-State Lithium–Sulfur Batteries

Kim,

Choi,

Hwang

et al. 2023

ACS Energy Lett.

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Fabricating high-capacity all-solid-state lithium-sulfur batteries (ASSLSBs) with long lifetimes is realistically challenging because of the poor ionic contact between the insulating element sulfur (S8) and the solid electrolyte at the solid–solid interface. Herein, an inorganic Li-ion-conducting species composed of polysulfido-intermediate compounds (3Li+-PS4+n 3– (n ≥ 0)) is incorporated between S8 and the sulfide solid electrolyte (SSE) of Li6PS5Cl (LPSCl) to enhance the ionic contact of S8. A weakly polar solvent which is included in the mixing process but eventually removed promotes interfacial chemical reactions between S8 and LPSCl, significantly enhancing the wettability of LPSCl toward the active material (S8). This maximizes the utilization of S8, facilitates interfacial Li-ion transport, and enhances the mechanical properties of the solid-state S cathode. As a result, a high-performance ASSLSB with a high areal capacity (5.1 mAh cm–2) and promising lifetime (250 cycles) at room temperature, operating at a current density of 1 mA cm–2, is successfully developed.

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Synergistic halide-sulfide hybrid solid electrolytes for Ni-rich cathodes design guided by digital twin for all-solid-State Li batteries

Cited by 30 publications

References 65 publications

A Perspective on the Requirements of Ni‐rich Cathode Surface Modifications for Application in Lithium‐ion Batteries and All‐Solid‐State Lithium‐ion Batteries

A Perspective on the Requirements of Ni‐rich Cathode Surface Modifications for Application in Lithium‐ion Batteries and All‐Solid‐State Lithium‐ion Batteries

A review of polymers in sulfide-based hybrid solid-state electrolytes for all-solid-state lithium batteries

Tailoring the Interface between Sulfur and Sulfide Solid Electrolyte for High-Areal-Capacity All-Solid-State Lithium–Sulfur Batteries

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