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Honeycomb Compound Na3Ni2BiO6 as Positive Electrode Material in Na Cells
(The Electrochemical Society, 2016-08-31)
Honeycomb compound Na3Ni2BiO6 was synthesized and studied as positive electrode material in sodium cells for the first time. This material exhibits a reversible capacity of ∼80 mAh/g and an average voltage of ∼3.1 V, ...
Lithium Insertion in Nanostructured Si1-xTix Alloys
(The Electrochemical Society, 2017-09-30)
Nanostructured Si1-xTix alloys (0 ≤ x ≤ 0.3) prepared by ball milling were studied as negative electrode materials in Li cells. The alloys comprised a nanocrystalline andamorphousSiphaseandananocrystallineC49TiSi2 phase. ...
Phenolic Resin as an Inexpensive High Performance Binder for Li-Ion Battery Alloy Negative Electrodes
(The Electrochemical Society, 2016-07-22)
Phenolic resin was evaluated as a binder material for Li-ion battery negative electrodes containing Si-based alloys. Phenolic resin was found to have a large first lithiation capacity of about 1200 mAh/g, which is suspected ...
Electrochemical Activity of Nano-NiSi2 in Li Cells
(The Electrochemical Society, 2016-09-09)
Crystalline and nanocrystalline NiSi2 were studied as negative electrode materials in Li cells. Crystalline NiSi2 was found to be inactive toward lithiation/delithiation. However, it was found that NiSi2 becomes active ...
Isothermal Calorimetry Evaluation of Metallurgical Silicon as a Negative Electrode Material for Li-Ion Batteries
(The Electrochemical Society, 2021-03-01)
The structural evolution of Si during lithiation and delithiation is uniquely dependent on the cycling conditions and can show either reversible or path dependent behavior. In this paper, metallurgical Si (large crystalline ...
Si85Fe15Ox Alloy Anode Materials with High Thermal Stability for Lithium Ion Batteries
(The Electrochemical Society, 2021-11-11)
The synthesis, microstructure and electrochemical properties of ball milled Si85Fe15Ox alloys with different oxygen contents are investigated. These materials combine the features of Si-M alloys (low irreversible capacity) ...
All-Dry Synthesis of Single Crystal NMC Cathode Materials for Li-Ion Batteries
(The Electrochemical Society, 2020-10-08)
Single crystal (SC) cathode materials with a layered structure are considered to be state-of-the-art for lithium ion batteries. However, their production involves many steps and can produce large amounts of wastewater. ...
An Investigation of the Fe-Mn-Si System for Li-Ion Battery Negative Electrodes
(The Electrochemical Society, 2019-01-03)
Fe-Mn-Si alloys prepared by ball milling were investigated as negative electrodes for Li-ion batteries. X-ray diffraction and room temperature 57Fe Mössbauer measurements were used to characterize alloy structure, which ...
Spherically Smooth Cathode Particles by Mechanofusion Processing
(The Electrochemical Society, 2019-08-27)
Surface modification has been shown to be useful for improving the cycling performance of cathode materials. Typically hetero-compositional coatings are applied on cathode particle surfaces using methods, such as aqueous ...
Quantitative Determination of Carbon Dioxide Content in Organic Electrolytes by Infrared Spectroscopy
(The Electrochemical Society, 2019-07-09)
CO2 has been shown to be an effective additive to improve the cycling characteristics of silicon negative electrodes for Li-ion batteries. However, a quantitative technique for measuring the CO2 content in electrolyte is ...