Showing papers in "Solid State Ionics in 2016"

TL;DR: In this article, the formation of an interphase between Li7P3S11 and lithium metal was monitored by a combined analytical approach, comprising in situ photoelectron spectroscopy and time-dependent electrochemical impedance spectrography.

TL;DR: In this article, the PEO-20%LAGP-I hybrid electrolyte exhibits a maximum ionic conductivity of 6.76 × 10 − 4 ǫ s cm − 1 and an electrochemical window of 0 − 5.3 V at 60°C.

TL;DR: In this paper, the authors report on the correlation between initial Ni/YSZ microstructure and the resulting electrochemical performance both initially and during long-term electrolysis testing at high current density and high p(H 2 O) inlet.

TL;DR: In this paper, LiNi 0.5 Mn 1.5 O 4 positive electrode particles were coated with amorphous Li 3 PO 4 thin films by the pulsed laser deposition method, which significantly decreased electrode-electrolyte interfacial resistances in all solid-state cells using Li 2 S-P 2 S 5 sulfide electrolytes.

TL;DR: In this article, a solid solution Na3++xSc2(SiO4)x(PO4)3−−x with 0.05 ≤ ≤ ≤ 0.8 ≤ ≤ ≥ 0.

TL;DR: In this paper, the effect of the particle sizes of LiNi1/3Co 1/3Mn/3O2 and Li2S-P2S5 solid electrolytes (SEs) on the electrode morphology was investigated.

TL;DR: In this article, a precursor for Li 3 PS 4 solid electrolyte was successfully prepared by reaction of Li 2 S and P 2 S 5 in ethyl acetate, and the precursor decomposed to form a high ionic conductivity of 3.3 × 10 − 4 S cm − 1 and low activation energy of about 31 kJ − 1.

TL;DR: In this article, the chemical stability as well as the ionic conductivity of Ta-doped Li 6.6 La 3 Zr 1.4 O 12 pellet and powder samples after immersion in water were thoroughly studied.

TL;DR: A NASICON type (Na ion super conductor) structured Li 1.3 Al 0.3 Ti 1.7 (PO 4 ) 3 (LATP) solid electrolyte with high lithium ion conductivity was synthesized using a simple solution method with 85% H 3 PO 4 solution.

TL;DR: In this article, a composite electrolyte for solid state batteries consisting of Alsubstituted Li 7 La 3 Zr 2 O 12 (LLZO) ceramic particles dispersed in a poly(ethylene oxide) (P(EO) 20 -LiClO 4 ) matrix is presented.

TL;DR: In this article, an electrospun polyvinylidene fluoride (PVDF) is characterized as an electroactive separator for Na-ion batteries and the intrinsic β-phase with high porosity of the separator is confirmed from X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), Field emission scanning electron microscopy (FESEM) and Atomic Force Microscopy (AFM) studies.

TL;DR: In this paper, the reaction at the electrode/electrolyte interface of all-solid-state lithium batteries was studied for combinations of sulfide-based solid electrolytes with various Li 4 − x Ge 1 − x P x S 4 and Li y -M alloys as the negative electrodes, using ac impedance, X-ray diffraction and energy-dispersive X -ray spectroscopy.

TL;DR: In this paper, the structural change of Li[NixCoyMnz]O2 cathode materials during the electrochemical delithiation/lithiation was studied with the in-situ X-ray diffraction.

TL;DR: In this article, the use of a new scalable technique, Forcespinning (FS) to produce binder-free porous Sn/C composite nanofibers with different Sn particle size loading was reported.

TL;DR: Li3OCl and Li3OBr were investigated in this paper, where different experimental strategies were developed to improve the syntheses, namely for the purposes of phase stability, phase purity, and large-scale production.

TL;DR: A planar, ceramic mixed conducting, ion transport membranes (ITM) was used for high purity oxygen production for over 15,000 hours in the first phase of a test unit with the capacity to produce up to 100 tons per day of oxygen.

TL;DR: Li 7 La 3 (Zr 2−−x Nb x )O 12 (LLZNbO, x ǫ = 0-1.5) was prepared using sol-gel process at low temperatures as discussed by the authors.

TL;DR: In this article, Li+ concentration in nominal Li7Al0.25La3Zr2O12 (LALZO) solid electrolyte is investigated and its effect on the electrical conductivity is shown.

TL;DR: In this article, a suspension of a submicron Li 3 PS 4 (LPS) precursor in dimethyl carbonate was successfully prepared by shaking the mixture of starting materials and Dimethyl Carbonate with the presence of zirconia balls.

TL;DR: In this article, the dependence of monomer structure on ionic conductivity, σ, and glass transition temperature, T_g, using electrolytes composed of aliphatic polyesters and lithium bis(trifluoromethanesulfonyl) imide (LiTFSI) salt, was investigated.

TL;DR: In this paper, the authors applied ab initio methods on over 40 perovskites to produce a database of oxygen migration barriers ranging from 0.2 to 1.6 eV.

TL;DR: In this paper, the influence of heat treatment and grain growth on the ionic conductivity of LATP has been investigated, and it is shown that the limitation for Li+ conductivity can most likely be found in the combination of grain growth with highly anisotropic thermal expansion.

TL;DR: In this paper, Li7La3Zr2O12 (LLZO) powder was successfully synthesized by co-precipitation method and the LLZO powder calcined at 850-°C with a tetragonal phase was confirmed by X-ray diffraction.

TL;DR: In this paper, the authors demonstrate the benefit of homemade nanopowder precursors on the electrochromism of V2O5 films deposited by the Doctor Blade method using the polyol process, and demonstrate the performance of complete devices using WO3 as complementary electrode and 0.3 M lithium bis(Trifluoromethanesulfonyl)Imide LiTFSI in BMITFSI plastified with polymethylmetacrylate (PMMA) membrane electrolyte.

TL;DR: In this article, the structural and electrolyte properties of Li4P2S6 have been investigated and computer simulations have been used to investigate the causes and effects of disorder in this material and also indicate that the mechanism of ion conduction is dominated by interstitial sites.

TL;DR: In this paper, a mill pot rotator was used to generate composite positive electrodes composed of LiNbO3-coated LiCoO2 active material and a Li10GeP2S12 solid electrolyte.

TL;DR: In this article, the authors investigated the ion and electron transport properties of olivine-type NaFePO 4 and LiFePO4 and found no significant difference in electronic migration energies between them.

TL;DR: In this paper, the resistive switching behavior of polycrystalline BiFeO 3 films was investigated, and the coexistence of analog and digital resistive switch behaviors in a single Pt/BiFeO3 /Pt device was discovered.

TL;DR: In this article, the authors analyzed EIS data of aqueous-electrolyte supercapacitors by transforming the data to complex capacitance representation, and a distribution function of relaxation times (DFRT) model was obtained, comprised of two peaks, each correlated with a different physical process.

TL;DR: In this article, the electrochemical properties of a series of CCO-CGO composite cathodes were studied as function of composition and layer thickness in a symmetrical cell set-up.