Gregory Salitra
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Stable High-Capacity Elemental Sulfur Cathodes with Simple Process for Lithium Sulfur Batteries Open
Lithium sulfur batteries are suitable for drones due to their high gravimetric energy density (2600 Wh/kg of sulfur). However, on the cathode side, high specific capacity with high sulfur loading (high areal capacity) is challenging due to…
The effect of porosity of activated carbon cloth cathodes on the cyclic performance of Li–S cells Open
Binder-free carbon cloth (CC) cathodes with tunable porosity prepared from Kynol 1500 by CO2 activation at 900 °C with the specific surface area up to 3170 m2g-1 and pore volume up to 2.05 cc g−1 have been tested in Li–S battery prototypes…
An Improved Cycling Performance of Different Types of Composite Sulfur-Carbon Cathodes with the Use of Lithium Polysulfides Containing Electrolyte Solutions Open
We report on stabilization of Li–S cells with different types of composite sulfur cathodes using ethereal LiTFSI/LiNO 3 /DOL/DME electrolyte solutions containing a-priori 0.1 M Li 2 S 8 . These electrolyte solutions enable an improved cycl…
Evaluating the High-Voltage Stability of Conductive Carbon and Ethylene Carbonate with Various Lithium Salts Open
The anodic stability of conductive carbon and alkyl carbonate-based electrolyte solvents is a crucial requirement for the success of high-voltage lithium-ion cells, particularly at elevated temperatures. In order to quantify the oxidative …
Stabilizing Lithium-Sulfur Cells with Practical Loading and Cycling Conditions Using Li<sub>2</sub>S<sub>8</sub>-Containing Ethereal Electrolyte Solution Open
We report on stabilization of Li–S cells cycled with an areal charge/discharge capacity of 2 mAh cm −2 at current densities of 1–2 mA cm −2 using ethereal LiTFSI/LiNO 3 /DOL/DME electrolyte solution containing 0.1M Li 2 S 8 . This electrol…
Improved Performance of Li-metal∣LiNi<sub>0.8</sub>Co<sub>0.1</sub>Mn<sub>0.1</sub>O<sub>2</sub> Cells with High-Loading Cathodes and Small Amounts of Electrolyte Solutions Containing Fluorinated Carbonates at 30 °C–55 °C Open
Herein, we report on the performance of stable lithium metal ∣ LiNi 0.8 Co 0.1 Mn 0.1 O 2 (NCM 811) cells with practical electrodes loading of 3.4 mAh cm −2 and small amounts of electrolyte solutions, at 30 °–55 °C. The latter contained 1 …
New Insights Related to Rechargeable Lithium Batteries: Li Metal Anodes, Ni Rich LiNi<sub>x</sub>Co<sub>y</sub>Mn<sub>z</sub>O<sub>2</sub> Cathodes and Beyond Them Open
The electro-mobility revolution challenges the batteries community to develop rechargeable batteries with the highest energy density, including the use of Li metal anodes. Relevant cathode materials include sulfur and molecules with the ge…
Review—On the Mechanism of Quasi-Solid-State Lithiation of Sulfur Encapsulated in Microporous Carbons: Is the Existence of Small Sulfur Molecules Necessary? Open
In this work we analyzed the phenomenon of quasi solid state (QSS) lithiation of sulfur-carbon (S/C) composite electrodes with sulfur confined in the micropores of carbon matrices based on our recent studies and data published in literatur…