Journal ArticleDOI
Tin-Based Amorphous Oxide: A High-Capacity Lithium-Ion-Storage Material
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TLDR
A tin-based amorphous composite oxide (TCO) was synthesized in this paper to replace the carbon-based lithium intercalation materials currently in extensive use as the negative electrode (anode) of lithium-ion rechargeable batteries.Abstract:
A high-capacity lithium-storage material in metal-oxide form has been synthesized that can replace the carbon-based lithium intercalation materials currently in extensive use as the negative electrode (anode) of lithium-ion rechargeable batteries. This tin-based amorphous composite oxide (TCO) contains Sn(II)-O as the active center for lithium insertion and other glass-forming elements, which make up an oxide network. The TCO anode yields a specific capacity for reversible lithium adsorption more than 50 percent higher than those of the carbon families that persists after charge-discharge cycling when coupled with a lithium cobalt oxide cathode. Lithium-7 nuclear magnetic resonance measurements evidenced the high ionic state of lithium retained in the charged state, in which TCO accepted 8 moles of lithium ions per unit mole.read more
Citations
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Investigation of cobalt oxides as anode materials for Li-ion batteries
TL;DR: In this paper, the reactivity of the cobalt oxides is attributed to the fact that the products of lithiation are in the form of nanosized products, and the CoO electrode demonstrates a stable reversible lithium storage capacity of about 300 mg−1, even after 30 cycles.
Journal ArticleDOI
Amorphous tin oxide films: preparation and characterization as an anode active material for lithium ion batteries
Mohamed Mohamedi,Seo Jae Lee,Daisuke Takahashi,Matsuhiko Nishizawa,Takashi Itoh,Isamu Uchida +5 more
TL;DR: In this paper, the performance of tin oxide thin films with lithium was studied by in situ conductivity measurements using an interdigitated microarray electrode as well as by cyclic voltammetry, galvanostatic cycling measurements and ac-impedance spectroscopy in 1 M LiClO4/(PC+EC).
Journal ArticleDOI
Mixed silicon–graphite composites as anode material for lithium ion batteries: Influence of preparation conditions on the properties of the material
TL;DR: In this paper, mixed silicon-graphite composites were studied as an anode material for LIB and an estimation of the capacity of the composite as a function of silicon mass fraction as well as the lithium mole fraction in the final Li-Si alloy was performed.
Journal ArticleDOI
Fabrication of superior-performance SnO2@C composites for lithium-ion anodes using tubular mesoporous carbon with thin carbon walls and high pore volume
TL;DR: In this paper, a tubular composite, including ultrafine SnO2 particles encapsulated in ordered tubular mesoporous carbon with thin walls and high pore volume, is fabricated through the in situ hydrolysis method.
Journal ArticleDOI
Effect of calcination temperature on morphology, crystallinity and electrochemical properties of nano-crystalline metal oxides (Co3O4, CuO, and NiO) prepared via ultrasonic spray pyrolysis
TL;DR: In this paper, the effects of calcination temperature on the morphology, crystallite size and electrochemical properties of nano-crystalline metal oxides are investigated, and the existence of a nano-scale microstructure for the prepared metal oxide has a strong relationship with irreversible capacity and capacity retention.
References
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Journal ArticleDOI
Synthesis of layered LiMnO2 as an electrode for rechargeable lithium batteries
TL;DR: LiMnO2 as discussed by the authors is a new material, which is structurally analogous to LiCoO2, which has been much studied as a positive electrode material for rechargeable lithium batteries.
Journal ArticleDOI
Studies of Lithium Intercalation into Carbons Using Nonaqueous Electrochemical Cells
TL;DR: In this paper, Li/graphite and Li/petroleum coke cells using a in a 50:50 mixture of propylene carbonate (PC) and ethylene carbonates (EC) electrolyte exhibit irreversible reactions only on the first discharge.
Journal ArticleDOI
Rechargeable Lithium Batteries with Aqueous Electrolytes
TL;DR: Rechargeable lithium-ion batteries that use an aqueous electrolyte have been developed and provide a fundamentally safe and cost-effective technology that can compete with nickelcadmium and lead-acid batteries on the basis of stored energy per unit of weight.
Journal ArticleDOI
A Mechanism of Lithium Storage in Disordered Carbons
TL;DR: High-resolution electron microscopy and lithium-7 nuclear magnetic resonance measurements suggest the existence of Li2 covalent molecules in the carbon material, which promises extraordinarily high energy density for secondary batteries.
Journal ArticleDOI
Solid State Electrodes for High Energy Batteries
D. W. Murphy,P. A. Christian +1 more
TL;DR: The physical and structural properties relevant to the ability of transition metal oxides with framework structures to topochemically incorporate lithium are discussed, and Perovskite-related structures are particularly attractive hosts for lithium.
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