Challenges regarding thin film deposition of garnet electrolytes for all-solid-state lithium batteries with high energy density

Lobe, Sandra; Dellen, Christian; Windmüller, Anna; Tsai, Chih‐Long; Vondahlen, Frank; Uhlenbruck, Sven; Guillon, Olivier

doi:10.1007/s11581-018-2594-3

Cited by 16 publications

(18 citation statements)

References 32 publications

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“…After the introduction of the polymer electrolyte concept for Li batteries by Armand [346] Thangadurai et al [26] and Samson et al [73] dedicated considerable efforts to the analysis of the fundamental aspects of garnet electrolytes. In addition, Lobe et al [352,353], who are considered experts in the fabrication of solid oxide fuel cells, explored the fabrication of ASSBs using thin film deposition. Furthermore, Tsai et al [13,335] evaluated the screen-printing technique and investigated the sol-gel and solid-state preparation methods.…”

Section: Oxide Solid Electrolytesmentioning

confidence: 99%

“…fundamental aspects of garnet electrolytes. In addition, Lobe et al [352,353], who are considered experts in the fabrication of solid oxide fuel cells, explored the fabrication of ASSBs using thin film deposition. Furthermore, Tsai et al [13,335] evaluated the screen-printing technique and investigated the sol-gel and solid-state preparation methods.…”

Section: Oxide Solid Electrolytesmentioning

confidence: 99%

“…Oxide electrolyte materials present large energy gaps between their valence and conduction bands, which confer them high stability at high voltages; furthermore, the ionic mobility of oxide electrolytes is higher than that of glass or polymer electrolytes [ 29 , 305 , 306 , 307 , 308 , 309 , 310 , 311 , 312 , 313 , 314 , 315 , 316 , 317 , 318 , 319 , 320 , 321 , 322 , 323 , 324 , 325 , 326 , 327 , 328 , 329 , 330 , 331 , 332 , 333 , 334 , 335 , 336 , 337 , 338 , 339 , 340 , 341 , 342 , 343 , 344 , 345 , 346 , 347 , 348 , 349 , 350 , 351 , 352 ,…”

Section: Oxide Solid Electrolytesmentioning

confidence: 99%

“…Different types of oxide electrolyte systems based on NASICON-, perovskite-, and garnet-type crystalline materials have been reported in the literature [ 312 , 313 , 314 , 315 , 316 , 317 , 318 , 319 , 320 , 321 , 322 , 323 , 324 , 325 , 326 , 327 , 328 , 329 , 330 , 331 , 332 , 333 , 334 , 335 , 336 , 337 , 338 , 339 , 340 , 341 , 342 , 343 , 344 , 345 , 346 , 347 , 348 , 349 , 350 , 351 , 352 , 353 , 354 , 355 , 356 , 357 , 358 , 359 , 360 , 361 ,…”

Section: Oxide Solid Electrolytesmentioning

confidence: 99%

“…Schematic representation of factors that are affected by the substrate temperature during the thin-film deposition of garnet-structured electrolytes. Reproduced with permission from[352]. Copyright 2018 Springer.Wang at al [354].…”

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confidence: 99%

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Sulfide and Oxide Inorganic Solid Electrolytes for All-Solid-State Li Batteries: A Review

et al. 2020

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Energy storage materials are finding increasing applications in our daily lives, for devices such as mobile phones and electric vehicles. Current commercial batteries use flammable liquid electrolytes, which are unsafe, toxic, and environmentally unfriendly with low chemical stability. Recently, solid electrolytes have been extensively studied as alternative electrolytes to address these shortcomings. Herein, we report the early history, synthesis and characterization, mechanical properties, and Li+ ion transport mechanisms of inorganic sulfide and oxide electrolytes. Furthermore, we highlight the importance of the fabrication technology and experimental conditions, such as the effects of pressure and operating parameters, on the electrochemical performance of all-solid-state Li batteries. In particular, we emphasize promising electrolyte systems based on sulfides and argyrodites, such as LiPS5Cl and β-Li3PS4, oxide electrolytes, bare and doped Li7La3Zr2O12 garnet, NASICON-type structures, and perovskite electrolyte materials. Moreover, we discuss the present and future challenges that all-solid-state batteries face for large-scale industrial applications.

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Section: Oxide Solid Electrolytesmentioning

confidence: 99%

Section: Oxide Solid Electrolytesmentioning

confidence: 99%

Section: Oxide Solid Electrolytesmentioning

confidence: 99%

Section: Oxide Solid Electrolytesmentioning

confidence: 99%

mentioning

confidence: 99%

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Sulfide and Oxide Inorganic Solid Electrolytes for All-Solid-State Li Batteries: A Review

et al. 2020

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Physical Vapor Deposition in Solid‐State Battery Development: From Materials to Devices

et al. 2021

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This review discusses the contribution of physical vapor deposition (PVD) processes to the development of electrochemical energy storage systems with emphasis on solid‐state batteries. A brief overview of different PVD technologies and details highlighting the utility of PVD for the fabrication and characterization of individual battery materials are provided. In this context, the key methods that have been developed for the fabrication of solid electrolytes and active electrode materials with well‐defined properties are described, and demonstrations of how these techniques facilitate the in‐depth understanding of fundamental material properties and interfacial phenomena as well as the development of new materials are provided. Beyond the discussion of single components and interfaces, the progress on the device scale is also presented. State‐of‐the‐art solid‐state batteries, both academic and commercial types, are assessed in view of energy and power density as well as long‐term stability. Finally, recent efforts to improve the power and energy density through the development of 3D‐structured cells and the investigation of bulk cells are discussed.

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Direct Precursor Route for the Fabrication of LLZO Composite Cathodes for Solid‐State Batteries

Kiyek,

Schwab,

Scheld

et al. 2024

Advanced Science

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Solid–state batteries based on Li7La3Zr2O12 (LLZO) garnet electrolyte are a robust and safe alternative to conventional lithium‐ion batteries. However, the large‐scale implementation of ceramic composite cathodes is still challenging due to a complex multistep manufacturing process. A new one‐step route for the direct synthesis of LLZO during the manufacturing of LLZO/LiCoO2 (LCO) composite cathodes based on cheap precursors and utilizing the industrially established tape casting process is presented. It is shown that Al, Ta:LLZO can be formed directly in the presence of LCO from metal oxide precursors (LiOH, La2O3, ZrO2, Al2O3, and Ta2O5) by heating to 1050 °C, eliminating the time‐ and energy‐consuming synthesis of preformed LLZO powders. In addition, performance‐optimized gradient microstructures can be produced by sequential casting of slurries with different compositions, resulting in dense and flat phase‐pure cathodes without unwanted ion interdiffusion or secondary phase formation. Freestanding cathodes with a thickness of 85 µm, a relative density of 95%, and an industrial relevant LCO loading of 15 mg show an initial capacity of 82 mAh g−1 (63% of the theoretical capacity of LCO) in a solid‐state cell with Li metal anodes, which is comparable to conventional LCO/LLZO cathodes and can be further improved in the future.

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Challenges regarding thin film deposition of garnet electrolytes for all-solid-state lithium batteries with high energy density

Cited by 16 publications

References 32 publications

Sulfide and Oxide Inorganic Solid Electrolytes for All-Solid-State Li Batteries: A Review

Sulfide and Oxide Inorganic Solid Electrolytes for All-Solid-State Li Batteries: A Review

Physical Vapor Deposition in Solid‐State Battery Development: From Materials to Devices

Direct Precursor Route for the Fabrication of LLZO Composite Cathodes for Solid‐State Batteries

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