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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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Xiao, Han
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Publications (5/5 displayed)
- 2022Camphene-Assisted Fabrication of Free-Standing Lithium-Ion Battery Electrode Compositescitations
- 2022Camphene as a Mild, Bio-Derived Porogen for Near-Ambient Processing and 3D Printing of Porous Thermoplasticscitations
- 2019Compact lithium-ion battery electrodes with lightweight reduced graphene oxide/poly(acrylic acid) current collectorscitations
- 2017Reduced-Graphene Oxide/Poly(acrylic acid) Aerogels as a Three-Dimensional Replacement for Metal-Foil Current Collectors in Lithium-Ion Batteriescitations
- 2017Thermally cross-linked poly(acrylic acid)/reduced-graphene oxide aerogels as a replacement for metal-foil current collectors in lithium-ion batteries
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article
Compact lithium-ion battery electrodes with lightweight reduced graphene oxide/poly(acrylic acid) current collectors
Abstract
<p>We report the fabrication and electrochemical performance of metal-foil free Li<sub>4</sub>Ti<sub>5</sub>O<sub>12</sub> (LTO) and LiNi<sub>1/3</sub>Co<sub>1/3</sub>Mn<sub>1/3</sub>O<sub>2</sub> (NCM) electrodes supported on conductive and porous reduced graphene oxide/poly(acrylic acid) (rGO-PAA) aerogels. The highly porous rGO-PAA (∼6 mg cm<sup>-3</sup>) enables slurry infiltration of LTO and NCM to form composite electrodes with tunable mass loadings (∼3-30 mg cm<sup>-2</sup>), and the resultant composites can withstand 100-fold compression (from 3.2 mm to ∼30-130 μm) to achieve electrode densities of 2-3 g cm<sup>-3</sup>. The adequate compressibility of the rGO-PAA coupled with removal of the conventional metal-foil weight and volume provides high volumetric energy densities of 1723 Wh L<sup>-1</sup> for NCM and 625 Wh L<sup>-1</sup> for LTO at low power density, representing a 25% increase in energy density over similar electrodes built with metal-foil current collectors. These metrics demonstrate the utility of the rGO-PAA current collector to reduce the weight and volume of lithium-ion electrodes without sacrificing energy density.</p>