Search Results - "Julien, C.M."

Challenges and issues facing lithium metal for solid-state rechargeable batteries by Mauger, A., Armand, M., Julien, C.M., Zaghib, K.

“…The commercial use of lithium metal batteries was delayed because of dendrite formation on the surface of the lithium electrode, and the difficulty finding a…”
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Recent trends in silicon/graphene nanocomposite anodes for lithium-ion batteries by Sehrawat, Poonam, Shabir, Abgeena, Abid, Julien, C.M., Islam, S.S.

“…Even after the passage of three decades since the commercialization of first lithium-ion batteries (LIBs) and development of several other battery systems,…”
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Review and analysis of nanostructured olivine-based lithium recheargeable batteries: Status and trends by Zaghib, K., Guerfi, A., Hovington, P., Vijh, A., Trudeau, M., Mauger, A., Goodenough, J.B., Julien, C.M.

“…LiFePO4 has emerged as the winning cathode material for a new generation of Li-ion batteries that are increasingly used for hybrid and electric vehicles, due…”
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Safe and fast-charging Li-ion battery with long shelf life for power applications by Zaghib, K., Dontigny, M., Guerfi, A., Charest, P., Rodrigues, I., Mauger, A., Julien, C.M.

“…We report a Li-ion battery that can be charged within few minutes, passes the safety tests, and has a very long shelf life. The active materials are…”
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Study of the Li-insertion/extraction process in LiFePO4/FePO4 by RAMANA, C. V, MAUGER, A, GENDRON, F, JULIEN, C. M, ZAGHIB, K

“…The structural properties of LiFePO4 prepared by the hydrothermal route and chemically delithiated have been studied using analytical electron microscopy and…”
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In situ Scanning electron microscope study and microstructural evolution of nano silicon anode for high energy Li-ion batteries by HOVINGTON, P, DONTIGNY, M, GUERFI, A, TROTTIER, J, LAGACE, M, MAUGER, A, JULIEN, C. M, ZAGHIB, K

“…In situ and ex situ scanning electron microscopy of nano Si and SiO anode particles was carried out during the first cycles, and at various stages of charge…”
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Polypyrrole-covered MnO2 as electrode material for supercapacitor by Bahloul, A., Nessark, B., Briot, E., Groult, H., Mauger, A., Zaghib, K., Julien, C.M.

“…γ-MnO2 has been synthesized by hydrothermal process, and studied as electrode material in aqueous asymmetric super-capacitor. We studied the blend formed by…”
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Characterization of Na-based phosphate as electrode materials for electrochemical cells by Zaghib, K., Trottier, J., Hovington, P., Brochu, F., Guerfi, A., Mauger, A., Julien, C.M.

“…► Electrochemical features of both maricite and olivine NaFePO 4. ► Full insertion of Na achieved at 1.7 V, capacity retention of 147 mAh g −1 in olivine. ► Na…”
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Minimization of the cation mixing in Li1+x(NMC)1-xO2 as cathode material by XIAOYU ZHANG, JIANG, W. J, MAUGER, A, QILU, GENDRON, F, JULIEN, C. M

“…Li1+x(Ni1/3Mn1/3Co1/3)1−xO2 layered materials were synthesized by the co-precipitation method with different Li/M molar ratios (M=Ni +Mn + Co). Elemental…”
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Electrochemical and thermal characterization of lithium titanate spinel anode in C–LiFePO4//C–Li4Ti5O12 cells at sub-zero temperatures by Zaghib, K., Dontigny, M., Perret, P., Guerfi, A., Ramanathan, M., Prakash, J., Mauger, A., Julien, C.M.

“…C-LiFePO4 and C-Li4Ti5O12 electrodes were studied for their electrochemical performance at sub-zero temperatures with two different electrolytes, conventional…”
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Comparative studies of the phase evolution in M-doped LixMn1.5Ni0.5O4 (M = Co, Al, Cu and Mg) by in-situ X-ray diffraction by Zhu, W., Liu, D., Trottier, J., Gagnon, C., Guerfi, A., Julien, C.M., Mauger, A., Zaghib, K.

“…A series of metal-doped LiMn1.5Ni0.5O4 (metal = Co, Al, Cu and Mg) positive electrode materials for lithium ion batteries were synthesized and their structural…”
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Green synthesis of nanosized manganese dioxide as positive electrode for lithium-ion batteries using lemon juice and citrus peel by Hashem, A.M., Abuzeid, H., Kaus, M., Indris, S., Ehrenberg, H., Mauger, A., Julien, C.M.

“…Nanosized MnO2 powders were grown using a green synthesis based on citrates via redox reaction between KMnO4 and natural reducing agents, i.e. lemon juice and…”
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Effect of nano LiFePO4 coating on LiMn1.5Ni0.5O4 5V cathode for lithium ion batteries by Liu, D., Trottier, J., Charest, P., Fréchette, J., Guerfi, A., Mauger, A., Julien, C.M., Zaghib, K.

“…► Composite made of LiNi0.5Mn1.5O4 as the core region, covered with a thin layer of LiFePO4, and carbon layer on top of it has been synthesized. ► The…”
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EDTA as chelating agent for sol-gel synthesis of spinel LiMn2O4 cathode material for lithium batteries by Hashem, A.M., Abdel-Ghany, A.E., Abuzeid, H.M., El-Tawil, R.S., Indris, S., Ehrenberg, H., Mauger, A., Julien, C.M.

“…Ethylene diamine tetra-acetic acid (EDTA) was used to prepare spinel LiMn2O4 at 650 °C. The prepared sample by EDTA (E-LiMn2O4) is compared with another spinel…”
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Study of the surface modification of LiNi1/3Co1/3Mn1/3O2 cathode material for lithium ion battery by Hashem, A.M.A., Abdel-Ghany, A.E., Eid, A.E., Trottier, J., Zaghib, K., Mauger, A., Julien, C.M.

“…• Synthesis of LiNi1/3Co1/3Mn1/3O2 by a two-step oxalate process. • Evidence of surface modification by HRTEM and Raman spectroscopy. • Treatment with carbon…”
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V-insertion in Li(Fe,Mn)FePO4 by Wu, T., Liu, J., Sun, L., Cong, L., Xie, H., Abdel-Ghany, A., Mauger, A., Julien, C.M.

“…Insertion of 3% vanadium in LiMn1-yFeyPO4 has been investigated, with y = 0.2 corresponding to the highest manganese concentration before the stress/strain…”
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Synthesis and characterization of LiNi1/3Mn1/3Co1/3O2 by wet-chemical method by XIAOYU ZHANG, MAUGER, A, QI LU, GROULT, H, PERRIGAUD, L, GENDRON, F, JULIEN, C. M

“…A series of LiNi1/3Mn1/3Co1/3O2 samples with ˛-NaFeO2 structure belonging to the R¯3m D3d 5 space group were synthesized using tartaric acid as a chelating…”
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Surface modification of positive electrode materials for lithium-ion batteries by Julien, C.M., Mauger, A., Groult, H., Zaghib, K.

“…The advanced lithium-ion batteries are critically important for a wide range of applications, from portable electronics to electric vehicles. The research on…”
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Lattice vibrations of materials for lithium rechargeable batteries I. Lithium manganese oxide spinel by Julien, C.M., Massot, M.

“…Raman scattering (RS) and Fourier transform infrared (FTIR) spectroscopy have been applied to the study of local structure of lithium manganese oxides. We…”
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Effects of chelators on the structure and electrochemical properties of Li-rich Li1.2Ni0.13Co0.13Mn0.54O2 cathode materials by Abdel-Ghany, A. E., Hashem, A. M., Mauger, A., Julien, C.M.

“…In this study, carboxylic acids, namely concentrated citric acid and ethylene diamine tetra-acetic acid (EDTA) solution, are used as chelators to synthesize…”
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