Low-temperature solution combustion synthesis of high performance LiNi0.5Mn1.5O4

Liu, Guiyang; Kong, Xiangdong; Wang, Quanbiao; Sun, Hong; Wang, Baosen; Yi, Zhen

doi:10.1016/j.ceramint.2013.11.095

Cited by 23 publications

(7 citation statements)

References 17 publications

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“…The current trend in this direction is to improve the electrochemical performance of LiMn 2 O 4 by substituting some manganese with transition metals. ,− For example, a high-voltage (∼4.7 V vs Li + /Li) LiNi 0.5 Mn 1.5 O 4 -based cathode material was synthesized, which showed an initial discharge capacity of 125 mA·h/g and retained 97.2% of the capacity after 50 cycles at a charge–discharge rate of 1 C . This material also exhibited good discharge capability, at 98 mA·h/g at a rate of 10 C.…”

Section: Solution Combustion-derived Materialsmentioning

confidence: 99%

Solution Combustion Synthesis of Nanoscale Materials

Mukasyan²,

et al. 2016

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Solution combustion is an exciting phenomenon, which involves propagation of self-sustained exothermic reactions along an aqueous or sol-gel media. This process allows for the synthesis of a variety of nanoscale materials, including oxides, metals, alloys, and sulfides. This Review focuses on the analysis of new approaches and results in the field of solution combustion synthesis (SCS) obtained during recent years. Thermodynamics and kinetics of reactive solutions used in different chemical routes are considered, and the role of process parameters is discussed, emphasizing the chemical mechanisms that are responsible for rapid self-sustained combustion reactions. The basic principles for controlling the composition, structure, and nanostructure of SCS products, and routes to regulate the size and morphology of the nanoscale materials are also reviewed. Recently developed systems that lead to the formation of novel materials and unique structures (e.g., thin films and two-dimensional crystals) with unusual properties are outlined. To demonstrate the versatility of the approach, several application categories of SCS produced materials, such as for energy conversion and storage, optical devices, catalysts, and various important nanoceramics (e.g., bio-, electro-, magnetic), are discussed.

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Section: Solution Combustion-derived Materialsmentioning

confidence: 99%

Solution Combustion Synthesis of Nanoscale Materials

Mukasyan²,

et al. 2016

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“…This could result in amorphous derived product. To ensure the crystallinity of the product, furnace temperature is normally set in the range of 673 K-873 K for SCS to ensure the crystallinity of metal oxides [19,20] . It should be noted that SCS is not totally an adiabatic synthesis.…”

Section: List Of Figuresmentioning

confidence: 99%

“…Some quaternary and complex metal oxides have also been targeted to the efforts in development of visible-light active photocatalyst using solar light. Studies showed that SCS method is one of the successful methods to develop complex oxides [20,50,310] . Du et al [311] demonstrated the successful combustion synthesis of Bi5O7NO3 and Ag decorated Bi5O7NO3 owing to the potential of Bi containing oxides in photocatalysis [192] .…”

Section: Synthesis Of Ternary and Complex Metal Oxide Photocatalystsmentioning

confidence: 99%

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Solution combustion synthesis: the relevant metrics for producing advanced and nanostructured photocatalysts

et al. 2022

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“…As previously reported, large size LNMO can effectively improve cycling stability by decreasing the activity of the side reactions, but the limited surface for electrode and electrolyte contact may be a disadvantage for improving the rate capability. Due to the shorter Li + and electronic diffusion pathways, LNMO in the nanosize range usually presents a superior rate performance and higher discharge capacity, but the unstable structure stability may lead to low Coulombic efficiency and sharp capacity decay. , Until now, LNMOs with special morphological structures that benefit LIBs’ electrochemical performance have been prepared using the coprecipitation method, solid-state method, one-pot method, , spray-drying method, combustion synthesis method, and so forth. However, these above methods require complex processes because several parameters must be taken into account, which limit their practical industrial applications.…”

Section: Introductionmentioning

confidence: 99%

Insights for the New Function of N,N-Dimethylpyrrolidone in Preparation of a High-Voltage Spinel LiNi_0.5Mn_1.5O₄ Cathode

Gao

Liu

et al. 2021

ACS Appl. Mater. Interfaces

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The solid-state method is extensively applied to the synthesis of electrode materials for its simplicity and low cost. However, particles obtained using the traditional solid-state method exhibited a large, uneven particle size and a severe aggregation phenomenon, leading to an unsatisfactory electrochemical performance. Here, spinel LiNi0.5Mn1.5O4 (LNMO) with good dispersion was synthesized using the solid-state method with the addition of N,N-dimethylpyrrolidone (NMP). During the LNMO preparation process, NMP is effective in refining and optimizing the particle size and suppressing the aggregation phenomenon. Meanwhile, the N element migration phenomenon was also observed in the bulk of LNMO, and it was beneficial for extending solid-solute reactions as demonstrated by in situ X-ray diffraction. LNMO prepared with NMP (LNMO-N-x) exhibited a higher discharge voltage and capacity (115.3 mA h g–1 at 2 C) compared with LNMO (105.8 mA h g–1). These results reveal the function of NMP in the preparation of LNMO and the effect of the physical characteristic changes on structure and phase transition in a working battery, and it can be easily incorporated into other electrode materials; if well engineered, it will contribute a lot to the further applications of lithium ion batteries.

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Low-temperature solution combustion synthesis of high performance LiNi0.5Mn1.5O4

Cited by 23 publications

References 17 publications

Solution Combustion Synthesis of Nanoscale Materials

Solution Combustion Synthesis of Nanoscale Materials

Solution combustion synthesis: the relevant metrics for producing advanced and nanostructured photocatalysts

Insights for the New Function of N,N-Dimethylpyrrolidone in Preparation of a High-Voltage Spinel LiNi_0.5Mn_1.5O₄ Cathode

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Low-temperature solution combustion synthesis of high performance LiNi0.5Mn1.5O4

Cited by 23 publications

References 17 publications

Solution Combustion Synthesis of Nanoscale Materials

Solution Combustion Synthesis of Nanoscale Materials

Solution combustion synthesis: the relevant metrics for producing advanced and nanostructured photocatalysts

Insights for the New Function of N,N-Dimethylpyrrolidone in Preparation of a High-Voltage Spinel LiNi0.5Mn1.5O4 Cathode

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Product

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Insights for the New Function of N,N-Dimethylpyrrolidone in Preparation of a High-Voltage Spinel LiNi_0.5Mn_1.5O₄ Cathode