The application of synchrotron X-ray techniques to the study of rechargeable batteries

Gong, Zhengliang; Yang, Yong

doi:10.1016/j.jechem.2018.03.020

Cited by 58 publications

(59 citation statements)

References 196 publications

(224 reference statements)

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“…The former can provide the detailed information about the electronic structure and chemical state of target atoms, while the latter can provide the precise local structural information of target atoms such as coordination number and chemical bond length. XAS in the hard X‐ray region can be done under ambient conditions and is suitable for in situ measurements to track the catalyst evolution and surface adsorption during electrochemical reactions . Our group recently used in situ XAS at the Bi L‐edge to study the CO 2 RR to formate on highly defective Bi 2 O 3 nanotubes (Figure g–i) .…”

Section: Mechanistic Studies Using In Situ Characterization Techniquesmentioning

confidence: 99%

“…XAS in the hard X-ray region can be done under ambient conditions and is suitable for in situ measurements to track the catalyst evolution and surface adsorption during electrochemical reactions. [134,135] Our group recently used in situ XAS at the Bi L-edge to study the CO 2 RR to formate on highly defective Bi 2 O 3 nanotubes (Figure 11g-i). [58] Under the working condition, the obvious shift of Bi adsorption edge in XANES from 13.423 to 13.417 keV confirmed the electrochemical reduction of Bi 2 O 3 to metallic Bi (which was named as nanotube-derived Bi or NTD-Bi).…”

Section: Mechanistic Studies Using In Situ Characterization Techniquesmentioning

confidence: 99%

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Promises of Main Group Metal–Based Nanostructured Materials for Electrochemical CO₂ Reduction to Formate

Han

Pan

et al. 2019

Advanced Energy Materials

472

384

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Selective CO2 reduction to formic acid or formate is the most technologically and economically viable approach to realize electrochemical CO2 valorization. Main group metal–based (Sn, Bi, In, Pb, and Sb) nanostructured materials hold great promise, but are still confronted with several challenges. Here, the current status, challenges, and future opportunities of main group metal–based nanostructured materials for electrochemical CO2 reduction to formate are reviewed. Firstly, the fundamentals of electrochemical CO2 reduction are presented, including the technoeconomic viability of different products, possible reaction pathways, standard experimental procedure, and performance figures of merit. This is then followed by detailed discussions about different types of main group metal–based electrocatalyst materials, with an emphasis on underlying material design principles for promoting the reaction activity, selectivity, and stability. Subsequently, recent efforts on flow cells and membrane electrode assembly cells are reviewed so as to promote the current density as well as mechanistic studies using in situ characterization techniques. To conclude a short perspective is offered about the future opportunities and directions of this exciting field.

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Section: Mechanistic Studies Using In Situ Characterization Techniquesmentioning

confidence: 99%

Section: Mechanistic Studies Using In Situ Characterization Techniquesmentioning

confidence: 99%

Promises of Main Group Metal–Based Nanostructured Materials for Electrochemical CO₂ Reduction to Formate

Han

Pan

et al. 2019

Advanced Energy Materials

472

384

View full text Add to dashboard Cite

show abstract

“…In addition to the surface analysis, we conducted hard X-ray absorption spectroscopy (XAS), which correlates the changes in the absorption edge to the changes in the average oxidation state of the absorbing atoms in the bulk material. 19,30,31 For example, a forward shift (higher eV) in edge energies indicates an increased valence state of the atom being probed. Since the core electrons are more strongly bound to the nucleus in the higher valence state, their photoionization requires higher photon energies, whereas a backward shift (lower eV), in contrast, indicates a decreased valence state.…”

Section: Soft and Hard Xas Analysismentioning

confidence: 99%

Thermally-driven mesopore formation and oxygen release in delithiated NCA cathode particles

et al. 2019

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“…Thus, this technique is a potential tool for investigating electrochemical reactions and energy materials. [81] Saravanan et al [82] studied TiO 2 phases by employing XANES at Ti K-edge and L-edge at the SAMBA beamline of SOLEIL and the HESGM beamline of BESSY II, respectively. The phase ratio was determined according to K-edge XANES.…”

Section: Absorptionmentioning

confidence: 99%

Review on applications of synchrotron‐based X‐ray techniques in materials characterization

2020

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Synchrotron radiation (SR), as a result of its high-intensity, brilliant, monochromatic, and collimated beams, is becoming one of the most crucial components of research in various fields of materials science such as nanomaterials, biomaterials, and energy materials. SR-based characterization methods can be employed to analyze different systems such as powders, thin films, and bulk forms having complex crystalline or amorphous structures. In this review, peculiarities of SR are briefly explained. Moreover, various techniques carried out utilizing this instrument for material characterization such as X-ray powder diffraction, grazing-incidence X-ray diffraction, small/ wide-angle X-ray scattering, X-ray absorption spectroscopy, different techniques of X-ray imaging, X-ray photoelectron spectroscopy, and X-ray microprobes/nanoprobes are presented. As a result, by shedding light on the advantages of SR and its superiority to the equivalent laboratory experiments, researchers are recommended to exploit the capabilities of this invaluable tool in their materials characterization.

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The application of synchrotron X-ray techniques to the study of rechargeable batteries

Cited by 58 publications

References 196 publications

Promises of Main Group Metal–Based Nanostructured Materials for Electrochemical CO₂ Reduction to Formate

Promises of Main Group Metal–Based Nanostructured Materials for Electrochemical CO₂ Reduction to Formate

Thermally-driven mesopore formation and oxygen release in delithiated NCA cathode particles

Review on applications of synchrotron‐based X‐ray techniques in materials characterization

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The application of synchrotron X-ray techniques to the study of rechargeable batteries

Cited by 58 publications

References 196 publications

Promises of Main Group Metal–Based Nanostructured Materials for Electrochemical CO2 Reduction to Formate

Promises of Main Group Metal–Based Nanostructured Materials for Electrochemical CO2 Reduction to Formate

Thermally-driven mesopore formation and oxygen release in delithiated NCA cathode particles

Review on applications of synchrotron‐based X‐ray techniques in materials characterization

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Product

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Promises of Main Group Metal–Based Nanostructured Materials for Electrochemical CO₂ Reduction to Formate

Promises of Main Group Metal–Based Nanostructured Materials for Electrochemical CO₂ Reduction to Formate