Preparation and characterization of SnO–P2O5 glasses as anode materials for lithium secondary batteries

Hayashi, Akitoshi; Konishi, Takanori; Tadanaga, Kiyoharu; Minami, Tsutomu; Tatsumisago, Masahiro

doi:10.1016/j.jnoncrysol.2004.08.069

Cited by 61 publications

(57 citation statements)

References 13 publications

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“…The leaching weight per unit area of each sample, weight loss, was calculated from the Eq. of ΔW/S, where ΔW is the measured weight change in kilograms and S is the surface area in mm 2 . Three samples for each composition were measured.…”

Section: Jcs-japanmentioning

confidence: 99%

Compositional dependence of properties of SnO-P2O5 glasses

Cha

Kubo

Takebe

et al. 2008

J. Ceram. Soc. Japan

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Binary SnO-P2O5 (SP) glasses with 52-72 SnO mol% were examined. Glass transition temperature, density, refractive index and absorption edge were studied for transparent SP glasses. The structure of SP glasses was evaluated by FT/IR and Raman spectroscopy. The water durability was investigated by weight loss and Raman spectroscopy for SP glass samples immersed in distilled water at 30-70°C. Raman spectra indicated in the immersion test that Q 1 units form and Q 2 units decrease as a result of water attack upon the phosphate chains with increasing immersion time in 62SnO·38P2O5 glass and no structural change was observed in 72SnO·28P2O5 glass. The relationship between the properties and glass structure with chemical bonding is discussed.

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Section: Jcs-japanmentioning

confidence: 99%

Compositional dependence of properties of SnO-P2O5 glasses

Cha

Kubo

Takebe

et al. 2008

J. Ceram. Soc. Japan

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“…To create the ionically conductive network, studies have focused on integrating Sn into glasses or crystals that act as conversion materials. [15][16][17] These solutions usually result in very low amounts of Sn active material mass loading and still require significant amounts of conductive additive, essentially nullifying the attractive volumetric capacity from Sn. Additionally, almost all solid-state studies do not address the fact that these composite anodes, or even cathodes, require large amounts of external pressure for proper operation.…”

mentioning

confidence: 99%

Tin Networked Electrode Providing Enhanced Volumetric Capacity and Pressureless Operation for All-Solid-State Li-Ion Batteries

Whiteley

Kim

Kang

et al. 2015

J. Electrochem. Soc.

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Pure tin (Sn) metal nano-powder is investigated as a high capacity negative electrode for rechargeable all-solid-state Li-ion batteries. Sn is used to form a fully dense network intertwining with solid electrolyte negating necessary conductive additive. Galvanostatic cycling of the Sn composite electrode delivers a reversible capacity 800 mAh g −1 of Sn with a constant coulombic efficiency over 99.2%. We report on the effect of pressure and rate upon the delithiation mechanics, drawing correlations between Sn volume increase factors and stress accumulation over the course of Sn-Li phase transformations. Due to the fabricated electrode microstructure, we are able to operate the cell at ambient pressure conditions -the next step toward commercialization of the solid-state battery. We believe that this initial work provides new opportunities to study the electrochemical expansion of Sn with the inclusion of rigid electrolyte particles. In 1997, Fuji announced a tin (Sn)-based amorphous composite oxide material for commercial Li-ion batteries.1 Ensuing anode deployments include the Sony developed Sn-based compound (Sn-Co-C) in 2005.2 Although these were the first commercial deployments of Sn-based anodes, Sn has been extensively studied for decades as a candidate in rechargeable Li-ion batteries because of its substantial lithium storage capabilities and quicker charging times.3 Despite the theoretical capacity of Sn being lower than the currently spotlighted silicon (Si) anode, Sn has exceptionally appealing features: high gravimetric and volumetric capacity (959 mAh g −1 and 2,476 mAh mL −1 for 4.25 Li-ions), 4 excellent electrical conductivity (9.17 × 10 6 S m −1 ), and room temperature Li-ion diffusivity (5.9 × 10 −7 cm 2 s −1 of Li 4.4 Sn). 5 The commercialized Sn-Co-C anode by Sony provides a significant capacity advantage over the currently utilized graphite anode material (372 mAh g −1 ). However, wide use of the Sn-Co-C anode has been limited due to the high cost and environmental concerns about cobalt. Iron and nickel have been introduced as replacements for cobalt forming amorphous Sn-Fe and Sn-Ni with similar electrochemical properties to the Sn-Co alloy.6-10 Despite the low cost and high capacity of the Sn-Fe and Sn-Ni anodes, poor cycling stability and coulombic efficiency (CE) hinder their practical use in Li-ion batteries. These drawbacks mainly result from the notorious volume change of Sn (∼255% when 4.25 Li-ion inserted), 4,11 leading to a loss of electric contact, pulverization, and cracking.12 Therefore, controlling the microstructure of the expandable active material during lithiation/delithiation processes is a key point to realize a high energy-dense Li-ion battery using Sn-based anode materials.Recently, Molina Piper et al. reported the effect of compressive stress on the electrochemical performance of a Si anode in an allsolid-state Li-ion cell, which similarly suffers from pulverization due to immense volume changes.13 By applying external compressive stress to the silicon/solid-state elec...

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“…1) Hence SP glasses have been expected to be used as optical glass, 2) sealing glass, 3) anode materials for lithium-ion secondary batteries. 4) Nevertheless, the low chemical durability of phosphate glasses often limits the practical use of SP glasses.…”

Section: Introductionmentioning

confidence: 99%

Effect of Nb2O5 addition to SnO–P2O5 glass

Fukui

Sakida

Benino

et al. 2012

J. Ceram. Soc. Japan

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SnOP 2 O 5 glasses have high refractive index and low glass transition temperature but have poor water durability. To improve water durability, NbO 2.5 was added to SnOP 2 O 5 glasses, preparing SnONbO 2.5 P 2 O 5 glass. It was found that addition of only 4 mol % NbO 2.5 was enough to achieve significant improvement of water durability, and at the same time, no degradation in thermal and optical properties was observed.

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Preparation and characterization of SnO–P2O5 glasses as anode materials for lithium secondary batteries

Cited by 61 publications

References 13 publications

Compositional dependence of properties of SnO-P2O5 glasses

Compositional dependence of properties of SnO-P2O5 glasses

Tin Networked Electrode Providing Enhanced Volumetric Capacity and Pressureless Operation for All-Solid-State Li-Ion Batteries

Effect of Nb<sub>2</sub>O<sub>5</sub> addition to SnO–P<sub>2</sub>O<sub>5</sub> glass

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