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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Sakamoto, Jeff
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2024Operando Investigation on the Role of Densification and Chemo‐Mechanics on Solid‐State Cathodescitations
- 2023Current‐Dependent Lithium Metal Growth Modes in “Anode‐Free” Solid‐State Batteries at the Cu|LLZO Interfacecitations
- 2023Evaluating the Use of Critical Current Density Tests of Symmetric Lithium Transference Cells with Solid Electrolytescitations
- 2022Increasing the Pressure‐Free Stripping Capacity of the Lithium Metal Anode in Solid‐State‐Batteries by Carbon Nanotubescitations
- 2021Evolving contact mechanics and microstructure formation dynamics of the lithium metal-Li7La3Zr2O12 interfacecitations
- 2020Sodium plating from Na‐ β "‐alumina ceramics at room temperature, paving the way for fast‐charging all‐solid‐state batteriescitations
- 2016Elastic Properties of the Solid Electrolyte Li 7 La 3 Zr 2 O 12 (LLZO)citations
- 2016The Effect of Relative Density on the Mechanical Properties of Hot‐Pressed Cubic <scp><scp>Li</scp></scp><sub>7</sub><scp><scp>La</scp></scp><sub>3</sub><scp><scp>Zr</scp></scp><sub>2</sub><scp><scp>O</scp></scp><sub>12</sub>citations
- 2015Elastic Properties of the Solid Electrolyte Li7La3Zr2O12 (LLZO)citations
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article
Increasing the Pressure‐Free Stripping Capacity of the Lithium Metal Anode in Solid‐State‐Batteries by Carbon Nanotubes
Abstract
<jats:title>Abstract</jats:title><jats:p>Lithium metal is the key anode material for solid‐state‐batteries as its successful implementation will drastically increase their energy and power densities. However, anode contact loss during stripping leads to dendrites upon plating and subsequent cell failure. Design strategies to mitigate these issues are crucial to enable the use of lithium metal anodes. This paper reports the dissolution kinetics of composite anodes made of lithium metal and carbon nanotubes (CNTs) with a garnet‐type solid electrolyte (SE). In addition to an enhancement of the effective diffusion within the anode, its dissolution is fundamentally changed from being 2D to 3D. By maintaining contact with the SE, the CNTs facilitate lithium transport to the interface, which yields more than 20 mAh cm<jats:sup>−2</jats:sup> discharge capacity at 100 <jats:bold>µ</jats:bold>A cm<jats:sup>−2</jats:sup> without the application of external stack pressure (<jats:bold>></jats:bold>1 MPa). Conclusions drawn from electrochemical data on the anode microstructure are validated using cryo‐focused‐ion‐beam scanning electron microscopy and correlated with the mechanical properties. Micro‐indentation, acoustic analysis, and stress–strain testing show that mechanical properties of the anode, like yield strength and hardness, are adjustable. Overall, it is shown that the mechanical and electrochemical properties of Li–CNT composite electrodes can be tailored to suit the requirements of a practical cell.</jats:p>