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Directly synthesized cobalt oxyhydroxide as an oxygen evolution catalyst in proton exchange membrane water electrolyzers

Current catalysts for water-splitting electrolyzers are scarce and unstable under acidic conditions. Here, the authors report that cobalt oxyhydroxide works across all pH levels, delivering stable industrial-scale current for 400 h while its redox behavior adapts with acidity.

Jinzhen Huang
Zheyu Zhang
Emiliana Fabbri
ResearchOpen Access13 Aug 2025
Nature Communications

Volume: 16, P: 1-14
Enhanced non-classical electrostriction in strained tetragonal ceria

Non-classical electrostriction in fluorites arises from defect-induced polarization and lattice distortions. This study shows that mismatch strain in Gd-doped CeO₂ thin films fine-tunes electromechanical responses, achieving high electrostriction above 10−¹⁵ m²V⁻².

Simone Santucci
Milica Vasiljevic
Vincenzo Esposito
ResearchOpen Access02 Jan 2025
Nature Communications

Volume: 16, P: 1-11
Hierarchical exsolution in vertically aligned heterostructures

Exsolved Nickel nanoparticles enhance the performance in energy conversion devices. Here, we report a nanoengineered vertically aligned nanostructure (VAN) that provides faster and more selective paths for Ni diffusion compared to traditional films.

Javier Zamudio-García
Francesco Chiabrera
Vincenzo Esposito
ResearchOpen Access17 Oct 2024
Nature Communications

Volume: 15, P: 1-10
Atomically engineered interfaces yield extraordinary electrostriction

A system consisting of alternating thin films of two dielectrics is used to produce greatly enhanced electrostriction derived from coherent strain imparted by interfacial lattice discontinuity.

Haiwu Zhang
Nini Pryds
Vincenzo Esposito
Research21 Sept 2022
Nature

Volume: 609, P: 695-700
Electrocatalytic transformation of HF impurity to H₂ and LiF in lithium-ion batteries

Despite the central role that the solid electrolyte interphase plays on the efficiency of Li-ion batteries, little is known about its formation mechanism. It is now shown that LiF forms on graphite anodes as a result of the electrocatalytic transformation of HF impurities present in the electrolyte.

Dusan Strmcnik
Ivano E. Castelli
Nenad M. Markovic
Research09 Apr 2018
Nature Catalysis

Volume: 1, P: 255-262
Two-dimensional materials from high-throughput computational exfoliation of experimentally known compounds

The largest available database of potentially exfoliable 2D materials has been obtained via high-throughput calculations using van der Waals density functional theory.

Nicolas Mounet
Marco Gibertini
Nicola Marzari
Research06 Feb 2018
Nature Nanotechnology

Volume: 13, P: 246-252
Machine-learning structural and electronic properties of metal halide perovskites using a hierarchical convolutional neural network

Wissam A. Saidi
Waseem Shadid
Ivano E. Castelli
ResearchOpen Access14 Apr 2020
npj Computational Materials

Volume: 6, P: 1-7
Precision and efficiency in solid-state pseudopotential calculations

Gianluca Prandini
Antimo Marrazzo
Nicola Marzari
ResearchOpen Access06 Dec 2018
npj Computational Materials

Volume: 4, P: 1-13
Structural and chemical mechanisms governing stability of inorganic Janus nanotubes

Felix T. Bölle
August E. G. Mikkelsen
Ivano E. Castelli
ResearchOpen Access25 Mar 2021
npj Computational Materials

Volume: 7, P: 1-8
Solid-state inorganic electrolytes for next generation potassium batteries

New materials and configurations are necessary to diversify battery chemistry and cell design. This Review focuses on the chemistry, fundamental properties, and status of materials in inorganic solid-state potassium electrolytes.

Jonas Grill
Simon K. Steensen
Jelena Popovic-Neuber
ReviewsOpen Access20 Jul 2024
Communications Materials

Volume: 5, P: 1-10

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