NickelMaghrebV1, Main, Exploration, bibRecord, 000495

Synthesis and characterization of carbon-coated Li0.5Ni0.25TiOPO4 anode material

Identifieur interne : 000495 ( Main/Exploration ); précédent : 000494; suivant : 000496

Synthesis and characterization of carbon-coated Li0.5Ni0.25TiOPO4 anode material

Auteurs : Kenza Maher [Maroc] ; Kristina Edstrom [Suède] ; Ismael Saadoune [Maroc] ; Torbjörn Gustafsson [Maroc] ; Mohammed Mansori [Maroc]

Source :

Electrochimica acta [ 0013-4686 ] ; 2009.

RBID : Pascal:09-0392606

Descripteurs français

Pascal (Inist)
- Préparation, Lithium Oxyde, Carbone, Anode, Matériau électrode, Nickel Oxyde, Phosphore Oxyde, Matériau modifié, Spectrométrie Raman, Titane Oxyde, Composé n éléments, Diffraction RX, Structure cristalline, Microscopie électronique balayage, Cycle charge décharge, Capacité spécifique, Décharge, Cyclage, Accumulateur électrochimique, Structure moléculaire, Structure surface, Morphologie, Caractéristique électrique, Batterie lithium ion, Electrode composite.
Wicri :
- topic : Carbone.

English descriptors

KwdEn :
- Anode, Carbon, Composite electrode, Crystalline structure, Cycling, Discharge, Discharge charge cycle, Electrical characteristic, Electrode material, Lithion ion batteries, Lithium Oxides, Modified material, Molecular structure, Morphology, Multi-element compound, Nickel Oxides, Phosphorus Oxides, Preparation, Raman spectrometry, Scanning electron microscopy, Secondary cell, Specific capacity, Surface structure, Titanium Oxides, X ray diffraction.

Abstract

Li_0.5Ni_0.25TiOPO₄/C composite was synthesized by the co-precipitation method using polyethylene glycol as carbon source. X-ray diffraction study showed that the as-prepared material crystallizes in the monoclinic system (S.G. P2₁/c). This 3D structure exhibits an open framework favourable to intercalation reactions. The morphology and the microstructure characterisation was performed by scanning electron microscopy (SEM). Small particles (∼1 μm) coated by carbon were observed. Raman study confirms the presence of carbon graphite in the Li_0.5Ni_0.25TiOPO₄/C composite. Cyclic voltammetry (CV) and charge-discharge galvanostatic cycling were used to characterize its electrochemical properties. The Li_0.5Ni_0.25TiOPO₄/C composite exhibits excellent electrochemical performances with good capacity retention for 50 cycles. Approximately 200 mAh/g could be reached at C, C/2, C/5 and C/20 rates in the 0.5-3 V potential range. These results clearly evidenced the positive effect of the carbon coating on the electrochemical properties of the studied phosphate.

Affiliations:

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Le document en format XML

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Ni<sub>0.25</sub>
TiOPO<sub>4</sub>
 anode material</title>
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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">Synthesis and characterization of carbon-coated Li<sub>0.5</sub>
Ni<sub>0.25</sub>
TiOPO<sub>4</sub>
 anode material</title>
<author><name sortKey="Maher, Kenza" sort="Maher, Kenza" uniqKey="Maher K" first="Kenza" last="Maher">Kenza Maher</name>
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<author><name sortKey="Gustafsson, Torbjorn" sort="Gustafsson, Torbjorn" uniqKey="Gustafsson T" first="Torbjörn" last="Gustafsson">Torbjörn Gustafsson</name>
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<author><name sortKey="Mansori, Mohammed" sort="Mansori, Mohammed" uniqKey="Mansori M" first="Mohammed" last="Mansori">Mohammed Mansori</name>
<affiliation wicri:level="3"><inist:fA14 i1="01"><s1>University Cadi Ayyad, ECME, FST Marrakech, Av. A. Khattabi, BP549</s1>
<s2>Marrakech</s2>
<s3>MAR</s3>
<sZ>1 aut.</sZ>
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</placeName>
</affiliation>
</author>
</analytic>
<series><title level="j" type="main">Electrochimica acta</title>
<title level="j" type="abbreviated">Electrochim. acta</title>
<idno type="ISSN">0013-4686</idno>
<imprint><date when="2009">2009</date>
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<seriesStmt><title level="j" type="main">Electrochimica acta</title>
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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Anode</term>
<term>Carbon</term>
<term>Composite electrode</term>
<term>Crystalline structure</term>
<term>Cycling</term>
<term>Discharge</term>
<term>Discharge charge cycle</term>
<term>Electrical characteristic</term>
<term>Electrode material</term>
<term>Lithion ion batteries</term>
<term>Lithium Oxides</term>
<term>Modified material</term>
<term>Molecular structure</term>
<term>Morphology</term>
<term>Multi-element compound</term>
<term>Nickel Oxides</term>
<term>Phosphorus Oxides</term>
<term>Preparation</term>
<term>Raman spectrometry</term>
<term>Scanning electron microscopy</term>
<term>Secondary cell</term>
<term>Specific capacity</term>
<term>Surface structure</term>
<term>Titanium Oxides</term>
<term>X ray diffraction</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr"><term>Préparation</term>
<term>Lithium Oxyde</term>
<term>Carbone</term>
<term>Anode</term>
<term>Matériau électrode</term>
<term>Nickel Oxyde</term>
<term>Phosphore Oxyde</term>
<term>Matériau modifié</term>
<term>Spectrométrie Raman</term>
<term>Titane Oxyde</term>
<term>Composé n éléments</term>
<term>Diffraction RX</term>
<term>Structure cristalline</term>
<term>Microscopie électronique balayage</term>
<term>Cycle charge décharge</term>
<term>Capacité spécifique</term>
<term>Décharge</term>
<term>Cyclage</term>
<term>Accumulateur électrochimique</term>
<term>Structure moléculaire</term>
<term>Structure surface</term>
<term>Morphologie</term>
<term>Caractéristique électrique</term>
<term>Batterie lithium ion</term>
<term>Electrode composite</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Carbone</term>
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<front><div type="abstract" xml:lang="en">Li<sub>0.5</sub>
Ni<sub>0.25</sub>
TiOPO<sub>4</sub>
/C composite was synthesized by the co-precipitation method using polyethylene glycol as carbon source. X-ray diffraction study showed that the as-prepared material crystallizes in the monoclinic system (S.G. P2<sub>1</sub>
/c). This 3D structure exhibits an open framework favourable to intercalation reactions. The morphology and the microstructure characterisation was performed by scanning electron microscopy (SEM). Small particles (∼1 μm) coated by carbon were observed. Raman study confirms the presence of carbon graphite in the Li<sub>0.5</sub>
Ni<sub>0.25</sub>
TiOPO<sub>4</sub>
/C composite. Cyclic voltammetry (CV) and charge-discharge galvanostatic cycling were used to characterize its electrochemical properties. The Li<sub>0.5</sub>
Ni<sub>0.25</sub>
TiOPO<sub>4</sub>
/C composite exhibits excellent electrochemical performances with good capacity retention for 50 cycles. Approximately 200 mAh/g could be reached at C, C/2, C/5 and C/20 rates in the 0.5-3 V potential range. These results clearly evidenced the positive effect of the carbon coating on the electrochemical properties of the studied phosphate.</div>
</front>
</TEI>
<affiliations><list><country><li>Maroc</li>
<li>Suède</li>
</country>
<region><li>East Middle Sweden</li>
<li>Marrakech-Tensift-Al Haouz</li>
<li>Svealand</li>
</region>
<settlement><li>Marrakech</li>
<li>Uppsala</li>
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<tree><country name="Maroc"><region name="Marrakech-Tensift-Al Haouz"><name sortKey="Maher, Kenza" sort="Maher, Kenza" uniqKey="Maher K" first="Kenza" last="Maher">Kenza Maher</name>
</region>
<name sortKey="Gustafsson, Torbjorn" sort="Gustafsson, Torbjorn" uniqKey="Gustafsson T" first="Torbjörn" last="Gustafsson">Torbjörn Gustafsson</name>
<name sortKey="Mansori, Mohammed" sort="Mansori, Mohammed" uniqKey="Mansori M" first="Mohammed" last="Mansori">Mohammed Mansori</name>
<name sortKey="Saadoune, Ismael" sort="Saadoune, Ismael" uniqKey="Saadoune I" first="Ismael" last="Saadoune">Ismael Saadoune</name>
</country>
<country name="Suède"><region name="Svealand"><name sortKey="Edstrom, Kristina" sort="Edstrom, Kristina" uniqKey="Edstrom K" first="Kristina" last="Edstrom">Kristina Edstrom</name>
</region>
</country>
</tree>
</affiliations>
</record>

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Synthesis and characterization of carbon-coated Li0.5Ni0.25TiOPO4 anode material

Synthesis and characterization of carbon-coated Li0.5Ni0.25TiOPO4 anode material

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri