In-situ/operando characterization techniques in lithium-ion batteries and beyond

Li, Haoyu; Guo, Shaohua; Zhou, Haoshen

doi:10.1016/j.jechem.2020.11.020

Cited by 92 publications

(43 citation statements)

References 198 publications

(254 reference statements)

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“…[155][156][157][158][159][160][161][162][163][164][165][166][167] On the one hand, typical cathode materials of PIBs can be divided into polyanion compounds, Prussian blue analog (PBA), layered metal oxides/sulfides (KMO/KMS) and organic cathode materials. [168,169] Through regulating the structure and/or morphology of them and thus accommodate the large size potassium ion insertion/ extraction is capable of increasing the energy density and working voltage. On the other hand, anode materials include intercalation, conversion and alloy materials whose main focus is on the improvement of energy storage capacity and long cycle performance.…”

Section: Discussionmentioning

confidence: 99%

In‐Depth Mechanism Understanding for Potassium‐Ion Batteries by Electroanalytical Methods and Advanced In Situ Characterization Techniques

Liu

Yong

et al. 2021

Small Methods

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Section: Discussionmentioning

confidence: 99%

In‐Depth Mechanism Understanding for Potassium‐Ion Batteries by Electroanalytical Methods and Advanced In Situ Characterization Techniques

Liu

Yong

et al. 2021

Small Methods

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“…While there are today examples of a large variety of analytical techniques that can be used under cell operation (in particular, X‐ray and Neutron Powder Diffraction (PXRD and NPD)), X‐ray Absorption Spectroscopy (XAS), Nuclear Magnetic Resonance (NMR) Spectroscopy, Raman Spectroscopy, Electron Microscopy (EM), etc. ), operando Powder X‐Ray diffraction still represents the most widely used technique in the community [1–8] . PXRD probes long‐range order and can hence give insights on the formation of new phases, changes in lattice parameters, average crystalline structure, degree of crystallinity and microstructure during the electrochemical reaction.…”

Section: Introductionmentioning

confidence: 99%

Experimental Considerations for Operando Metal‐Ion Battery Monitoring using X‐ray Techniques

et al. 2021

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Operando experiments represent a powerful tool for the monitoring of internal processes upon battery cycling that provide valuable insights regarding the fundamental electrochemical redox mechanisms and ageing phenomena in battery materials. However, obtaining high-quality, representative and exploitable data from operando measurements requires careful control of many experimental parameters such as the cell configuration, the nature of the cell components, the electrode preparation approach, the optical/goniometer geometry, data acquisition protocols and data interpretation methodology. In this work we discuss the impact of all these factors in X-ray scattering and spectroscopic techniques based on experimental results obtained from different electrode materials using a multifunctional electrochemical in situ cell developed at our laboratory.

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“…Above the edge, the EXAFS is used to unravel the local structure of the absorbing atom, whose coordination numbers, bond length, and identity of next‐nearest neighbors can be found through shell‐fitting 97,98 . The unique set of information obtained from XAS makes it an invaluable tool for investigating the bulk and interfacial properties of SSBs 93,99–103 . The principle of XAS and its application for in situ and operando studies of catalysts and energy storage systems have been extensively reviewed elsewhere 26–28,104–110 .…”

Section: In Situ Surface‐sensitive X‐ray Spectroscopy To Study Composition and Electronic Structural Changesmentioning

confidence: 99%

In situ characterizations of solid–solid interfaces in solid‐state batteries using synchrotron X‐ray techniques

2021

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The solid–solid electrode–electrolyte interface represents an important component in solid‐state batteries (SSBs), as ionic diffusion, reaction, transformation, and restructuring could all take place. As these processes strongly influence the battery performance, studying the evolution of the solid–solid interfaces, particularly in situ during battery operation, can provide insights to establish the structure–property relationship for SSBs. Synchrotron X‐ray techniques, owing to their unique penetration power and diverse approaches, are suitable to investigate the buried interfaces and examine structural, compositional, and morphological changes. In this review, we will discuss various surface‐sensitive synchrotron‐based scattering, spectroscopy, and imaging methods for the in situ characterization of solid–solid interfaces and how this information can be correlated to the electrochemical properties of SSBs. The goal is to overview the advantages and disadvantages of each technique by highlighting representative examples, so that similar strategies can be applied by battery researchers and beyond to study similar solid‐solid interface systems.

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In-situ/operando characterization techniques in lithium-ion batteries and beyond

Cited by 92 publications

References 198 publications

In‐Depth Mechanism Understanding for Potassium‐Ion Batteries by Electroanalytical Methods and Advanced In Situ Characterization Techniques

In‐Depth Mechanism Understanding for Potassium‐Ion Batteries by Electroanalytical Methods and Advanced In Situ Characterization Techniques

Experimental Considerations for Operando Metal‐Ion Battery Monitoring using X‐ray Techniques

In situ characterizations of solid–solid interfaces in solid‐state batteries using synchrotron X‐ray techniques

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