scholarly journals Significantly improved cyclability of lithium manganese oxide, simultaneously inhibiting electrochemical and thermal decomposition of the electrolyte by the use of an additive

RSC Advances ◽  
2017 ◽  
Vol 7 (74) ◽  
pp. 46594-46603 ◽  
Author(s):  
Bo Liao ◽  
Hongying Li ◽  
Xianshu Wang ◽  
Mengqing Xu ◽  
Lidan Xing ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Thermal Decomposition ◽  
Manganese Oxide ◽  
Lithium Manganese Oxide ◽  
Lithium Manganese ◽  
Thermal Stability Of

4-(Trifluoromethyl)benzonitrile (4-TB) can help form a protective interphase film on LiMn2O4 and improves the thermal stability of the electrolyte.

Non-Isothermal Decomposition Kinetic of Polypropylene/Hydrotalcite Composite

2019 ◽  
Vol 19 (11) ◽  
pp. 7493-7501 ◽  
Author(s):  
Sheng Xu ◽  
Min Zhang ◽  
Siyu Li ◽  
Moyu Yi ◽  
Shigen Shen ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Thermal Decomposition ◽  
Nitrogen Atmosphere ◽  
Heating Rates ◽  
Decomposition Reactions ◽  
Kinetic And Thermodynamic Parameters ◽  
Málek Method ◽  
Boundary Reaction ◽  
Phase Boundary Reaction ◽  
Thermal Stability Of

P3O5-10 pillared Mg/Al hydrotalcite (HTs) as a functional fire-retarding filler was successfully prepared by impregnation-reconstruction, where the HTs was used to prepare polypropylene (PP) and HTs composite (PP/HTs). Thermal decomposition was crucial for correctly identifying the thermal behavior for the PP/HTs, and studied using thermogravimetry (TG) at different heating rates. Based on single TG curves and Málek method, as well as 41 mechanism functions, the thermal decompositions of the PP/HTs composite and PP in nitrogen atmosphere were studied under non-isothermal conditions. The mechanism functions of the thermal decomposition reactions for the PP/HTs composite and PP were separately “chemical reaction F3” and “phase boundary reaction R2,” which were also in good agreement with corresponding experimental data. It was found that the addition of the HTs increased the apparent activation energy Ea of the PP/HTs comparing to the PP, which improved the thermal stability of the polypropylene. A difference in the set of kinetic and thermodynamic parameters was also observed between the PP/HTs and PP, particularly with respect to lower ΔS≠ value assigned to higher thermal stability of the PP/HTs composite.

Improved lithium manganese oxide spinel/graphite Li-ion cells for high-power applications

2004 ◽  
Vol 129 (1) ◽  
pp. 14-19 ◽  
Author(s):  
K Amine ◽  
J Liu ◽  
S Kang ◽  
I Belharouak ◽  
Y Hyung ◽  
...  
Keyword(s):  
Manganese Oxide ◽  
High Power ◽  
Lithium Manganese Oxide ◽  
Lithium Manganese ◽  
Oxide Spinel ◽  
Lithium Manganese Oxide Spinel ◽  
Li Ion
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