Lithiation mechanism in high-entropy oxides as anode materials for Li-ion batteries: An operando XAS study

P Ghigna, L Airoldi, M Fracchia… - … applied materials & …, 2020 - ACS Publications
… Here, we proposed a new complex mechanism occurring during the lithiation/delithiation
processes in high-entropy oxides based on transition metals with rock-salt structure as anodes …

Atomic-scale investigation of Lithiation/Delithiation mechanism in High-entropy spinel oxide with superior electrochemical performance

CY Huang, CW Huang, MC Wu, J Patra… - Chemical Engineering …, 2021 - Elsevier
… across the oxide during lithiation/delithiation. The detailed cycling mechanism is examined
… depth understanding of the fundamental lithiation/delithiation mechanism of HEO, which will …

Understanding the lithiation mechanism of Li 2 O-doped spinel high-entropy oxides as anode materials for Li-ion batteries

G Ma, Y Zheng, F Meng, R Hu - Energy Advances, 2023 - pubs.rsc.org
lithiation mechanism in SHEO and the reasons for its increased reversible capacity. The
lithiation … in the CV curve corresponding to the lithiation process also indicate that more Li + ions …

Molten salt synthesis, morphology modulation, and lithiation mechanism of high entropy oxide for robust lithium storage

X Liu, H Wang, L Dong, K Li, H Zhang, Q Jia… - Journal of Energy …, 2023 - Elsevier
… High entropy oxides (HEOs) with ideal element tunability and enticing entropy-driven …
The electrochemical properties, lithiation mechanism, and structure evolution of composition…

High entropy spinel oxide nanoparticles for superior lithiation–delithiation performance

TX Nguyen, J Patra, JK Chang, JM Ting - Journal of Materials …, 2020 - pubs.rsc.org
… Ex situ XRD analysis was performed to examine the lithiation/delithiation mechanism. For
these measurements, the electrodes were charged/discharged at a rate of 75 mA g −1 to …

High entropy oxides for reversible energy storage

A Sarkar, L Velasco, DI Wang, Q Wang… - Nature …, 2018 - nature.com
entropy oxides, the underlying mechanisms governing these properties, and the influence
of entropy … to add a new dimension to the traditional conversion based lithiation mechanism. …

Multivariate curve resolution analysis of operando XAS data for the investigation of the lithiation mechanisms in high entropy oxides

F Tavani, M Fracchia, N Pianta, P Ghigna… - Chemical Physics …, 2020 - Elsevier
… proposed that a complex charging mechanism is in place for the lithiation/delithiation
processes, … by the reduction of the TM oxides through an incomplete and irreversible conversion …

Deciphering structural origins of highly reversible lithium storage in high entropy oxides with in situ transmission electron microscopy

L Su, J Ren, T Lu, K Chen, J Ouyang… - Advanced …, 2023 - Wiley Online Library
… and alloying reaction kinetics for better understanding of lithiation mechanisms. Furthermore,
the polyphase state after lithiation can be reversibly recovered to the original single-phase …

High‐entropy oxide: A future anode contender for lithium‐ion battery

X Liu, X Li, Y Li, H Zhang, Q Jia, S Zhang, W Lei - EcoMat, 2022 - Wiley Online Library
… the entropy stabilization effect. Quartarone's group teased out the lithiation mechanism of
R-… The HEO structure remained intact at 60% lithiation capacity and subsequently collapsed …

Local structure and conversion chemistry of high-entropy oxides as Li-ion anodes

OJ Marques, C Chen, EV Timofeeva, CU Segre - Journal of Power Sources, 2023 - Elsevier
… In order to investigate the electrochemical reaction mechanismlithiated and delithiated
states, we can suggest that Zn is the most active element in the conversion type of lithiation/…