Thermodynamic stability of sulfide electrolyte/oxide electrode interface in solid-state lithium batteries

Yokokawa, Harumi

doi:10.1016/j.ssi.2015.05.010

Cited by 24 publications

(22 citation statements)

References 42 publications

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“…This finding is like the idea of adding a buffer layer in between LCO and sulfide SSEs, which will be highlighted later in this review. In addition to the space‐charge layer effect, other side reactions also occur in between oxide cathodes and sulfide SSEs . For example, after initial charging, mutual diffusion of elemental Co, P, and S was detected by TEM observation and a new interface was formed in the LCO/Li 2 S–P 2 S 5 interface (Figure c).…”

Section: Challenges and Solutionsmentioning

confidence: 99%

“…The sulfide SSE layer can contact well with the cathode layer when pressure was applied. However, the stability and space‐charge layer effect present major challenges in the SSE/cathode interface . In order to suppress the mutual diffusion, side reaction, and space‐charge layer effect, many studies focused on introducing a buffer layer into the sulfide SSEs/cathode interface.…”

Section: Challenges and Solutionsmentioning

confidence: 99%

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Promises, Challenges, and Recent Progress of Inorganic Solid‐State Electrolytes for All‐Solid‐State Lithium Batteries

et al. 2018

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All-solid-state lithium batteries (ASSLBs) have the potential to revolutionize battery systems for electric vehicles due to their benefits in safety, energy density, packaging, and operable temperature range. As the key component in ASSLBs, inorganic lithium-ion-based solid-state electrolytes (SSEs) have attracted great interest, and advances in SSEs are vital to deliver the promise of ASSLBs. Herein, a survey of emerging SSEs is presented, and ion-transport mechanisms are briefly discussed. Techniques for increasing the ionic conductivity of SSEs, including substitution and mechanical strain treatment, are highlighted. Recent advances in various classes of SSEs enabled by different preparation methods are described. Then, the issues of chemical stabilities, electrochemical compatibility, and the interfaces between electrodes and SSEs are focused on. A variety of research addressing these issues is outlined accordingly. Given their importance for next-generation battery systems and transportation style, a perspective on the current challenges and opportunities is provided, and suggestions for future research directions for SSEs and ASSLBs are suggested.

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Section: Challenges and Solutionsmentioning

confidence: 99%

Section: Challenges and Solutionsmentioning

confidence: 99%

Promises, Challenges, and Recent Progress of Inorganic Solid‐State Electrolytes for All‐Solid‐State Lithium Batteries

et al. 2018

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“…(ix) Yokokawa [202] examined the thermodynamic stability of the sulfide electrolyte/oxide interface of ASSBs; they proposed a potential diagram approach, in which the phase relationships at the interfaces could be investigated by comparing the proper chemical potentials associated with the target devices. Understanding the aforementioned parameters is crucial for both fundamental and industrial applications.…”

Section: Argyrodite Electrolytesmentioning

confidence: 99%

“…Owing to their high Li + ion conductivity at room temperature, sulfide-based materials are more promising electrolytes than oxide-based ones [ 159 , 160 , 161 , 162 , 163 , 164 , 165 , 166 , 167 , 168 , 169 , 170 , 171 , 172 , 173 , 174 , 175 , 176 , 177 , 178 , 179 , 180 , 181 , 182 , 183 , 184 , 185 , 186 , 187 , 188 , 189 , 190 , 191 , 192 , 193 , 194 , 195 , 196 , 197 , 198 , 199 , 200 , 201 , 202 , 203 , 204 , 205 , 206 , 207 , 208 ,…”

Section: Sulfide Solid Electrolytesmentioning

confidence: 99%

“…This work opened the avenue for the further understanding of the structural and physical properties of solid-state electrolytes and facilitated the development of ASSBs. Argyrodite presents high conductivity; moreover, argyrodite-based batteries are easier to fabricate than those featuring oxide-based solid electrolytes, and therefore, below, we summarize a series of reports on the synthesis, fabrication, and interfacial properties of argyrodite electrolytes [ 179 , 180 , 181 , 182 , 183 , 184 , 185 , 186 , 187 , 188 , 189 , 190 , 191 , 192 , 193 , 194 , 195 , 196 , 197 , 198 , 199 , 200 , 201 , 202 , 203 , 204 , 205 ].…”

Section: Sulfide Solid Electrolytesmentioning

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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Optimizing Current Collector Interfaces for Efficient “Anode‐Free” Lithium Metal Batteries

Molaiyan,

Abdollahifar,

Boz

et al. 2023

Adv Funct Materials

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Current lithium (Li)‐metal anodes are not sustainable for the mass production of future energy storage devices because they are inherently unsafe, expensive, and environmentally unfriendly. The anode‐free concept, in which a current collector (CC) is directly used as the host to plate Li‐metal, by using only the Li content coming from the positive electrode, could unlock the development of highly energy‐dense and low‐cost rechargeable batteries. Unfortunately, dead Li‐metal forms during cycling, leading to a progressive and fast capacity loss. Therefore, the optimization of the CC/electrolyte interface and modifications of CC designs are key to producing highly efficient anode‐free batteries with liquid and solid‐state electrolytes. Lithiophilicity and electronic conductivity must be tuned to optimize the plating process of Li‐metal. This review summarizes the recent progress and key findings in the CC design (e.g. 3D structures) and its interaction with electrolytes.

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Thermodynamic stability of sulfide electrolyte/oxide electrode interface in solid-state lithium batteries

Cited by 24 publications

References 42 publications

Promises, Challenges, and Recent Progress of Inorganic Solid‐State Electrolytes for All‐Solid‐State Lithium Batteries

Promises, Challenges, and Recent Progress of Inorganic Solid‐State Electrolytes for All‐Solid‐State Lithium Batteries

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

Optimizing Current Collector Interfaces for Efficient “Anode‐Free” Lithium Metal Batteries

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