In the present study, lithium nickel manganese oxide powders grafted with camphoric nano-carbons have been exploited to fabricate high voltage, high capacity rechargeable electrodes for Li storage. The prepared lithium nickel manganese oxide particles were pyrolyzed using a camphoric solution to...

The cycle aging of a commercial 18650 lithium-ion battery with graphite anode and lithium nickel manganese cobalt (NMC) oxide-based cathode at defined operating conditions is studied by regular electrochemical characterization, electrochemical impedance spectroscopy (EIS) and post-mortem analysi...

Terthiophene (3THP) is evaluated as an electrolyte additive for improving cyclic stability of lithium nickel manganese oxide (LiNi0.5Mn1.5O4) cathode for high energy density lithium-ion batteries. Charge/discharge tests demonstrate that 3THP is effective for improving the cyclic stability of LiN...

Lithium–nickel–manganese-oxide was coated using sputtering equipment on spinel LiMn2O4 cathode electrodes prepared by a conventional tape-casting method. Surface modification of the electrodes was confirmed by field emission scanning electron microscopy and field-emission electron-probe microa...

High-energy, inexpensive and safe electrochemistries have been the main goals of lithium-ion battery research for many years. Historically, manganese-based cathodes have long been studied for their attractive cost and safety characteristics [1]. However, due to issues related to both surface and...

In order to recycle and reuse metal resources from spent ternary lithium batteries, manganese-based composite perovskite is synthesized from waste by citrate sol–gel method and is used as catalyst for VOC removal. The characterization results indicate that manganese-based composite perovskite c...

Lithium sulphur technology for energy storage is considered to be one of the most promising of emerging technologies due to its high theoretical capacity, but the performance of these batteries is limited by problems such as dissolution of polysulphide species in electrolyte, lithium dendrite fo...

Li-rich layered Li2MnO3 is of great attraction for high energy lithium ion batteries. However, its cycling is still needed for improvements. Here we report a hollow microsphere-structured xLi2MnO3·(1-x)LiNiO2 (x = 0.3–0.7) that is synthesized by using in-situ template-sacrificial strategy. Pow...

Lithium nickelate (LiNiO2) was synthesized using the lithium excess method, and then characterized by X-ray diffraction, scanning electron microscopy and N2 adsorption-desorption. Finally, differential thermal and thermogravimetric analyses were performed in CO2 presence, at high temperatures. R...

The new lanthanum copper telluride La3Cu5−xTe7 has been obtained by annealing the elements at 1073 K. Single-crystal X-ray diffraction studies revealed that the title compound crystallizes in a new structure type, space group Pnma (no. 62) with lattice dimensions of a=8.2326(3) Å, b=25.9466(9) Å...

The versatile spray pyrolysis technique was employed to prepare thin films of lanthanum selenide (La2Se3) on glass and fluorine doped tin oxide (FTO) coated glass substrates under optimized conditions. The deposition temperature was 250 °C. The X-ray studies reveal that the films are polycrysta...

Lanthanum-fluoride (expressed as La2F6 for convenience) has been substituted for lanthanum sulphide in the glass system (mol%) (Ga2S3)70(La2S3)30−x(La2F6)x for 0 ≤ × ≤ 3. As fluorine substitutes for sulphur: (i) visible spectroscopy indicates that the absorption edge shifts to higher energies...

Tackling the release of phosphorus (P) from sediments remains a challenge to mitigating the eutrophication of lakes. The current study investigated the efficacy of lanthanum-modified zeolite (LMZ), which was developed from coal fly ash via a one-pot process, to reduce P levels in a simulated wat...

In this study, chemically modified Cystoseira indica brown algae by xanthation method was utilized to study the biosorption of La(III) and Ce(III) ions from the aqueous solutions under batch mode. The effects of four variables including pH (2–6), temperature (25–55 °C), biosorbent dosage (0.5...

The synergistic effect of 1-phenyl-3-methyl-4-benzoyl-pyrazalone-5 (HPMBP) and triisobutylphosphine sulphide (TIBPS, B) is investigated in the extraction of lanthanum(III) from chloride solution. Lanthanum(III) is extracted by the mixture as LaCl2·PMBP·B0.5 instead of La(PMBP)3·(HPMBP) which ...

In this paper, we propose a novel ultra-compact nanoplasmonic coupler using gallium lanthanum sulfide (GLS) which yields an efficiency of 67% at the optical communication wavelength. The analysis has been done numerically using the finite-difference time-domain method. Our proposed coupler can o...

Mining is a strategic sector of the global economy. However, the effects of mining and mineral processing activities on human health and environment cannot be overemphasized. The prevailing areas of concern include: air quality, water quality, water quantity and the ecological impacts of these a...

Cerium lanthanum zirconate ceramic is hopeful to be the next generation of thermal barrier coatings, but the thermal stress and deformation will shorten the working life. In this paper, the two dimensional geometric models based on possible designed porthole were implemented to simulate the real...

Lanthanum zirconate (LZ) films with a controllable La/Zr composition were prepared by laser enhanced chemical vapor deposition (LCVD). The effects of different precursors ratio, i.e. the La(dpm)3/Zr(dpm)4 molar ratio, on composition, crystal structure, morphology and electrical conductivity of f...

Lanthanum zirconate (La2Zr2O7), an emerging candidate for TBC system, faces stringent concern owing to poor fracture toughness. We report an exceptionally high fracture toughness (5.3 ± 0.4 MPa m0.5) value for a La2Zr2O7 coating prepared by atmospheric plasma spray technique reinforced by carbo...