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| Home > Publications database > Freestanding LiFe0. 2Mn0. 8PO4/rGO nanocomposites as high energy density fast charging cathodes for lithium-ion batteries > print |
| Home > Publications database > Freestanding LiFe0. 2Mn0. 8PO4/rGO nanocomposites as high energy density fast charging cathodes for lithium-ion batteries > print |
| 001 | 877276 | ||
| 005 | 20240708132659.0 | ||
| 024 | 7 | _ | |a 10.1016/j.mtener.2020.100416 |2 doi |
| 024 | 7 | _ | |a 2128/25262 |2 Handle |
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| 037 | _ | _ | |a FZJ-2020-02099 |
| 082 | _ | _ | |a 600 |
| 100 | 1 | _ | |a Zoller, Florian |0 P:(DE-Juel1)179146 |b 0 |e Corresponding author |
| 245 | _ | _ | |a Freestanding LiFe0. 2Mn0. 8PO4/rGO nanocomposites as high energy density fast charging cathodes for lithium-ion batteries |
| 260 | _ | _ | |a Amsterdam [u.a.] |c 2020 |b Elsevier Ltd. |
| 336 | 7 | _ | |a article |2 DRIVER |
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| 336 | 7 | _ | |a Journal Article |b journal |m journal |0 PUB:(DE-HGF)16 |s 1594367955_14806 |2 PUB:(DE-HGF) |
| 336 | 7 | _ | |a ARTICLE |2 BibTeX |
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| 336 | 7 | _ | |a Journal Article |0 0 |2 EndNote |
| 520 | _ | _ | |a Freestanding electrodes for lithium ion batteries are considered as a promising option to increase the total gravimetric energy density of the cells due to a decreased weight of electrochemically inactive materials. We report a simple procedure for the fabrication of freestanding LiFe0.2Mn0.8PO4 (LFMP)/rGO electrodes with a very high loading of active material of 83 wt%, high total loading of up to 8 mg cm−2, high energy density, excellent cycling stability and at the same time very fast charging rate, with a total performance significantly exceeding the values reported in the literature. The keys to the improved electrode performance are optimization of LFMP nanoparticles via nanoscaling and doping; the use of graphene oxide (GO) with its high concentration of surface functional groups favoring the adhesion of high amounts of LFMP nanoparticles, and freeze-casting of the GO-based nanocomposites to prevent the morphology collapse and provide a unique fluffy open microstructure of the freestanding electrodes. The rate and the cycling performance of the obtained freestanding electrodes are superior compared to their Al-foil coated equivalents, especially when calculated for the entire weight of the electrode, due to the extremely reduced content of electrochemically inactive material (17 wt% of electrochemically inactive material in case of the freestanding compared to 90 wt% for the Al-foil based electrode), resulting in 120 mAh g−1electrode in contrast to 10 mAh g−1electrode at 0.2 C. The electrochemical performance of the freestanding LFMP/rGO electrodes is also considerably better than the values reported in literature for freestanding LFMP and LMP composites, and can even keep up with those of LFP-based analogues. The freestanding LFMP/rGO reported in this work is additionally attractive due to its high gravimetric energy density (604 Wh kg−1LFMP at 0.2C). The obtained results demonstrate the advantage of freestanding LiFe0.2Mn0.8PO4/rGO electrodes and their great potential for applications in lithium ion batteries. |
| 536 | _ | _ | |a 131 - Electrochemical Storage (POF3-131) |0 G:(DE-HGF)POF3-131 |c POF3-131 |f POF III |x 0 |
| 588 | _ | _ | |a Dataset connected to CrossRef |
| 700 | 1 | _ | |a Böhm, Daniel |0 P:(DE-Juel1)180434 |b 1 |
| 700 | 1 | _ | |a Luxa, Jan |0 P:(DE-HGF)0 |b 2 |
| 700 | 1 | _ | |a Döblinger, Markus |0 P:(DE-HGF)0 |b 3 |
| 700 | 1 | _ | |a Sofer, Zdenek |0 P:(DE-HGF)0 |b 4 |
| 700 | 1 | _ | |a Semenenko, Dmitri A. |0 P:(DE-HGF)0 |b 5 |
| 700 | 1 | _ | |a Bein, Thomas |0 P:(DE-HGF)0 |b 6 |
| 700 | 1 | _ | |a Fattakhova, Dina |0 P:(DE-Juel1)171780 |b 7 |
| 773 | _ | _ | |a 10.1016/j.mtener.2020.100416 |g Vol. 16, p. 100416 - |0 PERI:(DE-600)2879104-6 |p 100416 |t Materials today |v 16 |y 2020 |x 2468-6069 |
| 856 | 4 | _ | |y Published on 2020-05-07. Available in OpenAccess from 2022-05-07. |u https://juser.fz-juelich.de/record/877276/files/batt.201900173.pdf |
| 856 | 4 | _ | |y Published on 2020-05-07. Available in OpenAccess from 2022-05-07. |x pdfa |u https://juser.fz-juelich.de/record/877276/files/batt.201900173.pdf?subformat=pdfa |
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| 910 | 1 | _ | |a Department of Inorganic Chemistry, University of Chemistry and Technology Prague |0 I:(DE-HGF)0 |b 2 |6 P:(DE-HGF)0 |
| 910 | 1 | _ | |a Department of Chemistry and Center for NanoScience (CeNS) |0 I:(DE-HGF)0 |b 3 |6 P:(DE-HGF)0 |
| 910 | 1 | _ | |a Ludwig-Maximilians-Universität München (LMU Munich) |0 I:(DE-HGF)0 |b 3 |6 P:(DE-HGF)0 |
| 910 | 1 | _ | |a Department of Inorganic Chemistry, University of Chemistry and Technology |0 I:(DE-HGF)0 |b 4 |6 P:(DE-HGF)0 |
| 910 | 1 | _ | |a Laboratory of Physical and Chemical Processes in Post Li-ion Batteries, Moscow Institute of Physics and Technology, |0 I:(DE-HGF)0 |b 5 |6 P:(DE-HGF)0 |
| 910 | 1 | _ | |a Department of Chemistry and Center for NanoScience (CeNS), Ludwig-Maximilians-Universität München (LMU Munich), |0 I:(DE-HGF)0 |b 6 |6 P:(DE-HGF)0 |
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