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Effect of aluminum substitution on the structure, electrochemical performance and thermal stability of Li<sub>1+x</sub>(Ni<sub>0.40</sub>Mn<sub>0.40</sub>Co<sub>0.20−z</sub>Al<sub>z</sub>)<sub>1−x</sub>O<sub>2</sub>
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | CROGUENNEC, Laurence | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | BAINS, Jessica | |
| hal.structure.identifier | SAFT [Bordeaux] | |
| dc.contributor.author | BRÉGER, J. | |
| hal.structure.identifier | SAFT [Bordeaux] | |
| dc.contributor.author | TESSIER, Cécile | |
| hal.structure.identifier | SAFT [Bordeaux] | |
| dc.contributor.author | BIENSAN, Ph. | |
| hal.structure.identifier | UMICORE Research | |
| dc.contributor.author | LEVASSEUR, Stéphane | |
| hal.structure.identifier | Institut de Chimie de la Matière Condensée de Bordeaux [ICMCB] | |
| dc.contributor.author | DELMAS, Claude | |
| dc.date.issued | 2011 | |
| dc.identifier.issn | 0013-4651 | |
| dc.description.abstractEn | Li<sub>1.04</sub>(Ni<sub>0.40</sub>Mn<sub>0.40</sub>Co<sub>0.20−z</sub>Al<sub>z</sub>)<sub>0.96</sub>O<sub>2</sub>"<sup> </sup>(z = 0; 0.05 and 0.10) samples were synthesized using a coprecipitation<sup> </sup>method followed by calcinations at 500°C for 5 h and<sup> </sup>then at 950°C for 2 h. Structural and physico-chemical characterizations<sup> </sup>have shown that these materials were obtained pure with a<sup> </sup>small overlithiation ratio (Li/M = 1.01-1.03) and thus a significant exchange between<sup> </sup>the divalent nickel ions from the slabs and the lithium<sup> </sup>ions from the interslab spaces (between 4% for the non<sup> </sup>substituted material and 8% for the aluminum substituted ones). Aluminum<sup> </sup>substitution induces a decrease of the reversible capacity, but also<sup> </sup>a major improvement of the thermal stability in the deintercalated<sup> </sup>state (corresponding to the charge state of the battery). These<sup> </sup>results have thus shown that the composition Li<sub>1.01</sub>(Ni<sub>0.39</sub>Mn<sub>0.40</sub>Co<sub>0.15</sub>Al<sub>0.06</sub>)<sub>0.99</sub>O<sub>2</sub> is very<sup> </sup>attractive for large scale lithium-ion batteries to be developed for<sup> </sup>EV and HEV applications. | |
| dc.language.iso | en | |
| dc.publisher | Electrochemical Society | |
| dc.subject.en | Calcination | |
| dc.subject.en | Lithium compounds | |
| dc.subject.en | Precipitation | |
| dc.subject.en | Secondary cells | |
| dc.subject.en | Thermal stability | |
| dc.title.en | Effect of aluminum substitution on the structure, electrochemical performance and thermal stability of Li<sub>1+x</sub>(Ni<sub>0.40</sub>Mn<sub>0.40</sub>Co<sub>0.20−z</sub>Al<sub>z</sub>)<sub>1−x</sub>O<sub>2</sub> | |
| dc.type | Article de revue | |
| dc.identifier.doi | 10.1149/1.3571479 | |
| dc.subject.hal | Chimie/Matériaux | |
| bordeaux.journal | Journal of The Electrochemical Society | |
| bordeaux.page | A664-A670 | |
| bordeaux.volume | 158 | |
| bordeaux.issue | 6 | |
| bordeaux.peerReviewed | oui | |
| hal.identifier | hal-00586359 | |
| hal.version | 1 | |
| hal.popular | non | |
| hal.audience | Internationale | |
| hal.origin.link | https://hal.archives-ouvertes.fr//hal-00586359v1 | |
| bordeaux.COinS | ctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20The%20Electrochemical%20Society&rft.date=2011&rft.volume=158&rft.issue=6&rft.spage=A664-A670&rft.epage=A664-A670&rft.eissn=0013-4651&rft.issn=0013-4651&rft.au=CROGUENNEC,%20Laurence&BAINS,%20Jessica&BR%C3%89GER,%20J.&TESSIER,%20C%C3%A9cile&BIENSAN,%20Ph.&rft.genre=article |
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