Solvation-controlled lithium-ion complexes in a nonflammable solvent containing ethylene carbonate: structural and electrochemical aspects

2018 ◽  
Vol 20 (9) ◽  
pp. 6480-6486 ◽  
Author(s):  
Michiru Sogawa ◽  
Hikaru Kawanoue ◽  
Yanko Marinov Todorov ◽  
Daisuke Hirayama ◽  
Hideyuki Mimura ◽  
...  
Keyword(s):  
Ethylene Carbonate ◽  
Lithium Ion ◽  
Electrode Reactions ◽  
Solvation Numbers ◽  
The Individual ◽  
Lithium Ion Complexes

Relationship between the individual solvation numbers (TFEP, EC, and TFSA−) around Li ions and the electrode reactions in LiTFSA/TFEP + EC electrolytes.

scholarly journals Commercial Cokes and Graphites as Anode Materials for Lithium - Ion Cells

1997 ◽  
Vol 496 ◽  
Author(s):  
David J. Derwin ◽  
Kim Kinoshita ◽  
Tri D. Tran ◽  
Peter Zaleski
Keyword(s):  
Electron Microscopy ◽  
Ethylene Carbonate ◽  
Average Particle Size ◽  
Chemical Properties ◽  
Lithium Ion ◽  
Reversible Capacity ◽  
Bet Surface Area ◽  
Average Particle ◽  
Electrochemical Characteristics ◽  
Wide Range

AbstractSeveral types of carbonaceous materials from Superior Graphite Co. were investigated for lithium ion intercalation. These commercially available cokes, graphitized cokes and graphites have a wide range of physical and chemical properties. The coke materials were investigated in propylene carbonate based electrolytes and the graphitic materials were studied in ethylene carbonate / dimethyl solutions to prevent exfoliation. The reversible capacities of disordered cokes are below 230 mAh / g and those for many highly ordered synthetic (artificial) and natural graphites approached 372 mAh / g (LiC6). The irreversible capacity losses vary between 15 to as much as 200 % of reversible capacities for various types of carbon. Heat treated cokes with the average particle size of 10 microns showed marked improvements in reversible capacity for lithium intercalation. The electrochemical characteristics are correlated with data obtained from scanning electron microscopy (SEM), high resolution transmission electron microscopy (TAM), X - ray diffraction (XRD) and BET surface area analysis. The electrochemical performance, availability, cost and manufacturability of these commercial carbons will be discussed.

Methylene ethylene carbonate: Novel additive to improve the high temperature performance of lithium ion batteries

2012 ◽  
Vol 208 ◽  
pp. 67-73 ◽  
Author(s):  
Dinesh Chalasani ◽  
Jing Li ◽  
Nicole M. Jackson ◽  
Martin Payne ◽  
Brett L. Lucht
Keyword(s):  
High Temperature ◽  
Lithium Ion Batteries ◽  
Ethylene Carbonate ◽  
Lithium Ion ◽  
Temperature Performance

A molecular orbital study of some lithium ion complexes

1983 ◽  
Vol 87 (1) ◽  
pp. 73-78 ◽  
Author(s):  
Janet E. Del Bene ◽  
Michael J. Frisch ◽  
Krishnan Raghavachari ◽  
John A. Pople ◽  
Paul v. R. Schleyer
Keyword(s):  
Molecular Orbital ◽  
Lithium Ion ◽  
Molecular Orbital Study ◽  
Orbital Study ◽  
Lithium Ion Complexes

Fiber Optic Based Thermal and Strain Sensing of Lithium-Ion Batteries at the Individual Cell Level

2021 ◽  
Vol 168 (4) ◽  
pp. 040535
Author(s):  
Hayden L. Atchison ◽  
Zachary R. Bailey ◽  
David A. Wetz ◽  
Matthew Davis ◽  
John M. Heinzel
Keyword(s):  
Lithium Ion Batteries ◽  
Fiber Optic ◽  
Individual Cell ◽  
Lithium Ion ◽  
Strain Sensing ◽  
Cell Level ◽  
The Individual

scholarly journals Parameterization and Validation of an Electrochemical Thermal Model of a Lithium-Ion Battery

Batteries ◽  
2019 ◽  
Vol 5 (3) ◽  
pp. 62 ◽  
Author(s):  
Liebig ◽  
Gupta ◽  
Kirstein ◽  
Schuldt ◽  
Agert
Keyword(s):  
Lithium Ion Battery ◽  
Heat Dissipation ◽  
Electrochemical Impedance ◽  
Coupled Model ◽  
Lithium Ion ◽  
Open Circuit ◽  
Battery Cell ◽  
Model Parameterization ◽  
Parameterized Model ◽  
The Individual

The key challenge in developing a physico-chemical model is the model parameterization. The paper presents a strategic model parameterization procedure, parameter values, and a developed model that allows simulating electrochemical and thermal behavior of a commercial lithium-ion battery with high accuracy. Steps taken are the analysis of geometry details by opening a battery cell under argon atmosphere, building upon reference data of similar material compositions, incorporating cell balancing by a quasi-open-circuit-voltage experiment, and adapting the battery models reaction kinetics behavior by comparing experiment and simulation of an electrochemical impedance spectroscopy and hybrid pulse power characterization. The electrochemical-thermal coupled model is established based on COMSOL Multiphysics® platform (Stockholm, Sweden) and validated via experimental methods. The parameterized model was adopted to analyze the heat dissipation sources based on the internal states of the battery at different operation modes. Simulation in the field of thermal management for lithium-ion batteries highly depends on state of charge-related thermal issues of the incorporated cell composition. The electrode balancing is an essential step to be performed in order to address the internal battery states realistically. The individual contribution of the cell components heat dissipation has significant influence on the temperature distribution pattern based on the kinetic and thermodynamic properties.

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