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Electrolyte additives for improved lithium-ion battery performance and overcharge protection …
Request PDF | Electrolyte additives for improved lithium-ion battery performance and overcharge protection | Much effort is being expended on the development of smart, safe, high-power lithium-ion ...
Recent advances of overcharge investigation of lithium-ion batteries
A complex polymer with aromatic functional groups, epoxy or propionate, will become a hot spot in the research of overcharge additives for lithium-ion batteries. This review is expected to offer effective overcharge safety strategies and promote the development of lithium-ion battery with high-energy density.
Electrolyte Additives for Improving the High …
Therefore, we promote the electrolyte system to realize the 18,650 LIB storage at 60 °C for 50 days by optimizing the formula in the electrolyte containing biphenyl (BP) and cyclohexylbenzene (CHB) …
Overcharge Protection in Aqueous Zinc-Ion Batteries via Self …
In pursuing zinc-ion batteries (ZIBs) with extended lifetimes, considerable research has been devoted to enhancing their stability, specifically cycling stability, by developing stable cathodes and Zn anodes. However, the durability, that is, reliability of ZIBs under abuse operations, particularly overcharg
What actually happens when lithium batteries are over-charged …
What actually happens when lithium batteries are over- ...
Thermal safety study of Li‐ion batteries under limited overcharge abuse based …
In order to investigate the reasons that lead to this problem, this paper studies the thermal safety of Li-ion batteries under limited overcharge abuse. A 3D electrochemical-thermal coupled model is developed for modeling thermal and electrochemical characteristics from normal charge to early overcharge state.
A systematic investigation of internal physical and chemical changes of lithium-ion batteries during overcharge …
The overcharge of lithium-ion batteries (LIBs) can not only cause irreversible battery degradation and failure but also trigger detrimental thermal runaway. This paper presents a systematic investigation of the electrical and thermal behaviors of LIBs during overcharge ...
Investigation of a commercial lithium-ion battery under overcharge…
1. Introduction Lithium-ion batteries as one of the most promising power sources have been widely used for both portable electronics (i.e., telephones, flashlights, laptops, etc.) and transportation (i.e., electronic vehicles and hybrid electronic vehicles) due to their advantages such as high energy density, reduced pollution, stable performance …
Application of cyclohexyl benzene as electrolyte additive for overcharge protection of lithium ion battery …
The electrochemical characterization and overcharge protection mechanism of cyclohexyl benzene as an additive in electrolyte for lithium ion battery was studied by microelectrode cyclic voltammetry, Galvanostatic charge–discharge measurements and SEM ...
Switchable resistance conducting-polymer layer for Li-ion battery overcharge …
Possible use of methylbenzenes as electrolyte additives for improving the overcharge tolerances of Li-ion batteries J. Appl. Electrochem., 34 ( 12 ) ( 2004 ), pp. 1199 - 1203 CrossRef View in Scopus Google Scholar
Abuse-Tolerant Electrolytes for Lithium-Ion Batteries
Safety issues currently limit the development of advanced lithium-ion batteries (LIBs) and this is exacerbated when they are misused or abused. The addition of small amounts of fillers or additives into common liquid electrolytes can greatly improve resistance to ...
Electrolyte additives for improved lithium-ion battery performance …
With the addition of DMC, the IL-based electrolyte maintains nonflammable and appropriate DMC can effectively inhibit the growth of lithium dendrites and may provide an attractive and promising strategy for high performance and safety of both lithium and lithium-ion battery.
The impact of intermittent overcharging on battery capacity and ...
In the full lithium-ion cell, overcharging can trigger several primary side reactions including the oxidative decomposition of electrolyte [5], thickening of solid electrolyte interphase (SEI) film [6], deposition of metallic lithium [7], and dissolution of active materials in cathode [8].
Failure mechanism of Li-ion battery at overcharge conditions
The overcharge kinetics of a commercial prismatic Li-ion battery at different current rates (1 C, 2 C, and 3 C) has been studied. Battery surface temperature, heat output, and voltage were monitored and analyzed during overcharge testing. It has been shown that the heat rate of the battery surface does not increase in proportion to …
Electrolyte additives for improved lithium-ion battery performance and overcharge …
Semantic Scholar extracted view of "Electrolyte additives for improved lithium-ion battery performance and overcharge protection" by T. Ree DOI: 10.1016/j elec.2020.01.001 Corpus ID: 214560284 Electrolyte additives for improved lithium-ion battery performance
Dimethoxydiphenylsilane (DDS) as overcharge protection additive for lithium-ion batteries …
The electrochemical properties and working mechanisms of dimethoxydiphenylsilane (DDS) as an electrolyte additive for overcharge protection of lithium ion batteries have been investigated by microelectrode cyclic voltammetry, galvanostatic charge-discharge ...
Abuse-Tolerant Electrolytes for Lithium-Ion Batteries
Electrochemical cells containing this STE demonstrated excellent cyclability, a capacity retention of 95.2% over 500 cycles for a LiFePO 4 half-cell and a 94.4% capacity retention after 100 cycles for the lithium iron phosphate (LFP) and lithium titanate (LTO) full cell.
A review on electrolyte additives for lithium-ion batteries
This paper reviews electrolyte additives used in Li-ion batteries. According to their functions, the additives can be divided into these categories: (1) solid electrolyte interface (SEI) forming improver, (2) cathode protection agent, (3) LiPF 6 salt stabilizer, (4) safety protection agent, (5) Li deposition improver, and (6) other agents …
Overcharge reaction of lithium-ion batteries
Overcharge reaction was studied in detail using 650 mAh prismatic hermetically sealed lithium-ion batteries with LiCoO 2 cathodes, graphitic carbon anodes and ethylene carbonate/ethyl methyl carbonate (EC/EMC) electrolytes. Several varieties of gases (CO 2, CO, H 2, CH 4, C 2 H 6 and C 2 H 4) were evolved in the overcharge …
Overcharge protection of lithium-ion batteries with …
Overcharge in lithium-ion batteries (LIBs) can be mitigated using electron-donating small molecules with oxidation potentials just above the end-of-charge potential of the electrochemical cell. These additives function by …
Lithium ion battery degradation: what you need to know
Lithium ion battery degradation: what you need to know
Redox shuttles for safer lithium-ion batteries
Overcharge protection is not only critical for preventing the thermal runaway of lithium-ion batteries during operation, but also important for automatic capacity balancing during battery manufacturing and repair. …
Review Progress of enhancing the safety of lithium ion battery from the electrolyte aspect …
Electrolyte as the most flammable component of lithium ion battery is always considered to be closely related to its safety. Great efforts are made to optimize electrolyte since it is the ultimate means to improve the lithium ion battery safety. This article reviews the ...
Overcharge Investigations of LiCoO2/Graphite Lithium Ion Batteries with Different Electrolytes …
In this paper, overcharge behaviors of a large format lithium-ion battery with Li(Ni0.6Co0.2Mn0.2)O2 cathode for electric vehicles are investigated, and the overcharge-induced degradation and ...
High safety electrolyte for lithium-ion battery
In general, the electrolyte of lithium-ion battery consists of carbonates with low flash point, lithium salt LiPF 6 with high sensitivity to H 2 O and temperature, and other additives at present. Besides, the destruction of the interface film between the electrolyte and the electrode is considered to be the starting point of the battery thermal runway.