[HTML][HTML] Lithium distribution and transfer in high-power 18650-type Li-ion cells at multiple length scales

D Petz, MJ Mühlbauer, V Baran, A Schökel… - Energy Storage …, 2021 - Elsevier
The distribution of lithium inside electrodes of a commercial Li-ion battery of 18650-type with
LiFePO 4 cathode and graphite anode is investigated on different length scales using …

Diagnosis of Current Flow Patterns Inside Fault‐Simulated Li‐Ion Batteries via Non‐Invasive, In Operando Magnetic Field Imaging

M Lee, Y Shin, H Chang, D Jin, H Lee, M Lim… - Small …, 2023 - Wiley Online Library
With the growing popularity of Li‐ion batteries in large‐scale applications, building a safer
battery has become a common goal of the battery community. Although the small errors …

Improved long cycle performance of LiMn2O4 cathode material by Ni-B co-doping combined with truncated octahedron morphology

Y Luo, Q Liu, Y Guo, J Guo, M Xiang, W Bai… - Journal of Alloys and …, 2022 - Elsevier
The rapid capacity fading of spinel LiMn 2 O 4 cathode materials still suffers from Jahn-Teller
effect and Mn dissolution. Herein, various spinel LiMn 1.90-x Ni 0.10 B x O 4 cathode …

[HTML][HTML] Mapping the coke formation within a zeolite catalyst extrudate in space and time by operando computed X-ray diffraction tomography

DS Wragg, GN Kalantzopoulos, DK Pappas… - Journal of catalysis, 2021 - Elsevier
We have used operando X-ray diffraction computed tomography (XRD-CT) analysed by
rigorous crystallographic methods to reveal the behaviour of a zeolite/alumina based …

Dynamic interplay between phase transformation instabilities and reaction heterogeneities in particulate intercalation electrodes

S Agrawal, P Bai - Cell Reports Physical Science, 2022 - cell.com
Lithium-ion batteries rely on particulate porous electrodes to realize high performance,
especially fast-charging capabilities. To minimize the particle-wise reaction heterogeneities …

DLSR: a solution to the parallax artefact in X-ray diffraction computed tomography data

A Vamvakeros, AA Coelho, D Matras… - Journal of Applied …, 2020 - journals.iucr.org
A new tomographic reconstruction algorithm is presented, termed direct least-squares
reconstruction (DLSR), which solves the well known parallax problem in X-ray-scattering …

Operando Electrochemical Kinetics in Particulate Porous Electrodes by Quantifying the Mesoscale Spatiotemporal Heterogeneities

S Agrawal, P Bai - Advanced Energy Materials, 2021 - Wiley Online Library
Electrochemical energy systems rely on particulate porous electrodes to store or convert
energies. While the three‐dimensional (3D) porous structures are introduced to maximize …

Real-time tomographic diffraction imaging of catalytic membrane reactors for the oxidative coupling of methane

A Vamvakeros, D Matras, SDM Jacques, M di Michiel… - Catalysis Today, 2021 - Elsevier
Catalytic membrane reactors have the potential to render the process of oxidative coupling
of methane economically viable. Here, the results from operando XRD-CT studies of three …

Multiscale Imaging Techniques for Real‐Time, Noninvasive Diagnosis of Li‐Ion Battery Failures

M Lee, J Lee, Y Shin, H Lee - Small Science, 2023 - Wiley Online Library
With the increasing popularity of battery‐powered mobility, ensuring the safety and reliability
of Li‐ion batteries (LIBs) has become critical for manufacturers. Despite advanced …

[PDF][PDF] Fast operando X-ray pair distribution function using the DRIX electrochemical cell

M Diaz-Lopez, GL Cutts, PK Allan… - Journal of …, 2020 - journals.iucr.org
In situ electrochemical cycling combined with total scattering measurements can provide
valuable structural information on crystalline, semi-crystalline and amorphous phases …