LiNbO3-coated LiCoO2 as cathode material for all solid-state lithium secondary batteries

Ohta, Nobuto; Takada, Kazunori; Sakaguchi, Isao; Zhang, Lianqi; Ma, Renzhi; Fukuda, Katsutoshi; Osada, Minoru; Sasaki, Takayoshi

doi:10.1016/j.elecom.2007.02.008

Cited by 658 publications

(594 citation statements)

References 9 publications

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“…The composite cathodes were prepared using LiNbO coated [ 4,15 ] LiNi Mn Co O (NMC), Li PS Cl, and vapor grown carbon fiber (VGCF, Showa Denko) as the active material, solid electrolyte, and conductive additive, respectively. The ethyl cellulose (abt.…”

Section: Methodsmentioning

confidence: 99%

Effect of the binder content on the electrochemical performance of composite cathode using Li6PS5Cl precursor solution in an all-solid-state lithium battery

Rosero-Navarro

Kinoshita

Miura

et al. 2017

Ionics

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All solid state batteries with cathode composites containing high concentration of active materials are required to achieve higher energy densities. Here, a composite cathode containing up to 89 wt% of high voltage cathode active material (LiNi Mn Co O ) was prepared by covering this with a solution derived solid electrolyte (argyrodite, Li PS Cl) and the incorporation of different content binder (ethyl cellulose). All solid state batteries were fabricated using 80Li S•20P S (mol%) glass and indium metal as a solid electrolyte and anode, respectively. The all solid state battery with a composite cathode containing 0.5 wt% of ethyl cellulose showed an initial discharge capacity of 45 mAhg at 25 °C and maintained 91.7% of the discharge capacity after ten cycles, around 30% higher than that obtained for the battery with the composite cathode without a binder.

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Section: Methodsmentioning

confidence: 99%

Effect of the binder content on the electrochemical performance of composite cathode using Li6PS5Cl precursor solution in an all-solid-state lithium battery

Rosero-Navarro

Kinoshita

Miura

et al. 2017

Ionics

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“…The LiNbO 3 buffer layer plays a role in decreasing interfacial resistances between active material particles and sulfide solid electrolyte particles. 9 A bilayer pellet was obtained by pressing composite positive electrode layer (10 mg) and solid electrolyte layer (40 mg) under 360 MPa. Indium foil (99.999%; Furuuchi Chemical Corp.) as the negative electrode layer was attached to the bilayer pellet and pressed with stainless steel powder (SUS304L, Kojundo Chemical) (100 mg) as a current collector under 240 MPa.…”

Section: Methodsmentioning

confidence: 99%

Raman Spectroscopy for LiNi1/3Mn1/3Co1/3O2 Composite Positive Electrodes in All-Solid-State Lithium Batteries

et al. 2016

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Raman spectroscopy was conducted for LiNi 1/3 Mn 1/3 Co 1/3 O 2 (NMC) composite positive electrodes in all-solid-state batteries using Li 2 S-P 2 S 5 solid electrolytes. Raman spectral changes attributable to structural changes of NMC were observed during the initial charge-discharge test. To evaluate state-of-charge (SOC) distributions in the NMC electrodes, Raman mapping was carried out for the electrodes of charged and discharged cells. The mapping images indicated that most NMC particles were uniformly delithiated and lithiated by the charge-discharge process. It is noteworthy that uniform charge-discharge reactions proceeded in the NMC electrodes.

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“…Assuming that the transference number of Li + in this solid electrolyte is unity, this material is comparable to or even surpasses liquid organic electrolytes on lithium ion conductivity. On the interfacial resistance, even the mechanism is still unclear, although there have been several reports on the interfacial phenomena: space charge layer effect [18,19], formation of interfacial phases [20][21][22], and lattice mismatch at the interface between a solid electrolyte and cathode [22]. Interfacial phenomena are also investigated from a theoretical viewpoint [23].…”

Section: Introductionmentioning

confidence: 99%

Interfacial phenomena between lithium ion conductors and cathodes

et al. 2014

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Nanocomposites of a lithium ion conductor Li1.3Al0.3Ti1.7(PO4)3 and electrode materials (TiO2 and FePO4) were prepared to investigate interfacial structure and ionic conductivity at the interface between the solid electrolyte and electrode materials. It was revealed that lithium ions in the solid electrolyte were attracted to the cathode materials with increasing electrode potential, which increases lithium vacancies in the solid electrolyte.For the FePO4 containing composites, due to the high electrode potential, lithium transfer across the interface and ionic conduction through the cathode materials was remarkable.The results suggest that severe lithium depletion occurs and interfacial resistance is large at the interface of high ionic conductors and cathode materials. The space charge layer thickness is also discussed.

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LiNbO3-coated LiCoO2 as cathode material for all solid-state lithium secondary batteries

Cited by 658 publications

References 9 publications

Effect of the binder content on the electrochemical performance of composite cathode using Li6PS5Cl precursor solution in an all-solid-state lithium battery

Effect of the binder content on the electrochemical performance of composite cathode using Li6PS5Cl precursor solution in an all-solid-state lithium battery

Raman Spectroscopy for LiNi<sub>1/3</sub>Mn<sub>1/3</sub>Co<sub>1/3</sub>O<sub>2</sub> Composite Positive Electrodes in All-Solid-State Lithium Batteries

Interfacial phenomena between lithium ion conductors and cathodes

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