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Article
Three-dimensional operando optical imaging of particle and electrolyte heterogeneities inside Li-ion batteries
Understanding (de)lithiation heterogeneities in battery materials is key to ensure optimal electrochemical performance. However, this remains challenging due to the three-dimensional morphology of electrode pa...
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Article
With only a grain of salt
Highly concentrated electrolytes offer enhanced energy-density for aqueous batteries, but the high salt concentration presents formidable challenges for practical implementation. Now, an electrolyte has been d...
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Article
Extending insertion electrochemistry to soluble layered halides with superconcentrated electrolytes
Insertion compounds provide the fundamental basis of today’s commercialized Li-ion batteries. Throughout history, intense research has focused on the design of stellar electrodes mainly relying on layered oxid...
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Article
Open AccessSpin pinning effect to reconstructed oxyhydroxide layer on ferromagnetic oxides for enhanced water oxidation
Producing hydrogen by water electrolysis suffers from the kinetic barriers in the oxygen evolution reaction (OER) that limits the overall efficiency. With spin-dependent kinetics in OER, to manipulate the spin...
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Article
Open AccessEffect of electrolyte flow on a gas evolution electrode
In this study, the effect of flow of the electrolyte on an electrolysis cell and a zinc cell is investigated. The gain of energy brought by the flow is discussed and compared to the viscous losses in the cells...
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Article
Water electrolysers with closed and open electrochemical systems
Green hydrogen production using renewables-powered, low-temperature water electrolysers is crucial for rapidly decarbonizing the industrial sector and with it many chemical transformation processes. However, d...
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Article
Tuning water reduction through controlled nanoconfinement within an organic liquid matrix
The growing hydrogen economy requires accelerating the hydrogen evolution reaction. The water dissociation step (Volmer step) has been proposed as a main kinetic limitation, but the mechanisms at play in the e...
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Article
Open AccessCation insertion to break the activity/stability relationship for highly active oxygen evolution reaction catalyst
The production of hydrogen at a large scale by the environmentally-friendly electrolysis process is currently hampered by the slow kinetics of the oxygen evolution reaction (OER). We report a solid electrocata...
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Article
Open AccessStructural evolution at the oxidative and reductive limits in the first electrochemical cycle of Li1.2Ni0.13Mn0.54Co0.13O2
High-energy-density lithium-rich materials are of significant interest for advanced lithium-ion batteries, provided that several roadblocks, such as voltage fade and poor energy efficiency are removed. However...
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Article
Iron-facilitated dynamic active-site generation on spinel CoAl2O4 with self-termination of surface reconstruction for water oxidation
The development of efficient and low-cost electrocatalysts for the oxygen evolution reaction (OER) is critical for improving the efficiency of water electrolysis. Here, we report a strategy using Fe substituti...
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Article
An eye on surface changes
For electrocatalysts, the activity and stability is determined by the surface — often just a few atomic layers thick. Now atom probe tomography is used to examine the changing surface of an oxygen evolution ca...
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Article
Erratum: Activate lattice oxygen redox reactions in metal oxides to catalyse oxygen evolution
Nature Chemistry 9, 457–465 (2017); published online 9 January 2017; addendum published after print 23 June 2017; corrected after print 21 December 2017. In the version of this Article originally published, a ...
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Article
Addendum: Activating lattice oxygen redox reactions in metal oxides to catalyse oxygen evolution
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Article
Activating lattice oxygen redox reactions in metal oxides to catalyse oxygen evolution
Understanding how materials that catalyse the oxygen evolution reaction (OER) function is essential for the development of efficient energy-storage technologies. The traditional understanding of the OER mechan...
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Article
Erratum: Activation of surface oxygen sites on an iridium-based model catalyst for the oxygen evolution reaction
Nature Energy 2, 16189 (2016); published 19 December 2016; corrected 23 January 2017. In the version of this Article originally published, there was an error in Figure 5c. Additionally, accents were omitted fr...
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Article
Batteries: Beyond intercalation and conversion
Conventional positive electrode materials for lithium-ion batteries, such as intercalation and conversion compounds, feature a host structure to reversibly insert and conduct lithium ions. Now, electrochemical...
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Article
Activation of surface oxygen sites on an iridium-based model catalyst for the oxygen evolution reaction
The oxygen evolution reaction (OER) is of prime importance in multiple energy storage devices; however, deeper mechanistic understanding is required to design enhanced electrocatalysts for the reaction. Curren...
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Article
Double perovskites as a family of highly active catalysts for oxygen evolution in alkaline solution
The electronic structure of transition metal oxides governs the catalysis of many central reactions for energy storage applications such as oxygen electrocatalysis. Here we exploit the versatility of the perov...
