The interplay between stack pressure, mechanical expansion and degradation pathways in lithium-ion batteries

By: Heng Wang · Rui Wang · Christopher A. O’Keefe · Erik Björklund · Daniela Proprentner · Joe C. Stallard · Hwee Jien Tan · Wesley M. Dose · Louis F. J. Piper · Robert S. Weatherup · Angkur J. D. Shaikeea · Clare P. Grey · Michael De Volder

29 June 2026 at 01:00

Nature Energy, Published online: 29 June 2026; doi:10.1038/s41560-026-02087-6

While electrochemical degradation in lithium-ion batteries is well studied, the role of stack pressure in long-term cycling remains unclear. Here the researchers use a high-precision pressure-controlled dilatometry tool to optimize stack pressure and understand how it prolongs battery lifetime.

Reconstructing the electrochemistry of lithium-ion batteries through operando diffuse reflectance spectroscopy

RSC - Energy Environment

By: Arvind Pujari · Gratsiela Kostova · Hwee Jien Tan · Atsunori Ikezawa · Hajime Arai · Michael De Volder

20 April 2026 at 00:00

Energy Environ. Sci., 2026, 19,3236-3248
DOI: 10.1039/D6EE00376A, Paper

Open Access

&nbsp This article is licensed under a Creative Commons Attribution-NonCommercial 3.0 Unported Licence.

Arvind Pujari, Gratsiela Kostova, Hwee Jien Tan, Atsunori Ikezawa, Hajime Arai, Michael De Volder
Diffuse reflectance spectroscopy (DRS) is introduced as a low-cost optical technique to probe mechanisms in batteries in real time.
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Replicability challenges in redox flow cell testing: insights from a multi-institutional study

15 April 2026 at 00:00

Energy Environ. Sci., 2026, 19,3323-3344
DOI: 10.1039/D5EE07103H, Paper

Open Access

&nbsp This article is licensed under a Creative Commons Attribution 3.0 Unported Licence.

Hugh O’Connor, Alexander H. Quinn, Edward Saunders, Aodhán Dugan, Thomas R. Goodwin, Nadia L. Farag, Greta Thompson, Ameya Bondre, Marina Tabuyo-Martinez, Hannah M. Burnett, Thomas Y. George, Jordan D. Sosa, Carlos J. Mingoes, Peter Nockemann, Clare P. Grey, Dominic S. Wright, Michaël De Volder, Antoni Forner-Cuenca, Robert A. W. Dryfe, Michael J. Aziz, Ana B. Jorge Sobrido, Fikile R. Brushett, Josh J. Bailey
In the first, multi-institution study of its kind for flow batteries, several laboratories worldwide performed identical single-cell experiments. The findings show that procedural choices significantly alter commonly reported electrochemical metrics.
The content of this RSS Feed (c) The Royal Society of Chemistry

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