His current research interest is renewable energy storage and conversion, including electrocatalysis, lithium/sodium-sulfur batteries, and lithium/sodium-ion batteries. Long Ren is currently a Professor at the International School of Materials Science and Engineering at Wuhan University of Technology.
His current research interest is renewable energy storage and conversion, including electrocatalysis, lithium/sodium-sulfur batteries, and lithium/sodium-ion batteries. Long Ren is currently a Professor at the International School of Materials Science and Engineering at Wuhan University of Technology.
Compared with current intercalation electrode materials, conversion-type materials with high specific capacity are promising for future battery technology [10, 14].The rational matching of cathode and anode materials can potentially satisfy the present and future demands of high energy and power density (Figure 1(c)) [15, 16].For instance, the battery …
The authors present the liquid-solid phase diagrams that they mapped with a differential scanning calorimeter (DSC) for the following seven binary carbonates: dimethyl carbonate (DMC)-ethylene carbonate (EC), ethyl methyl carbonate (EMC)-EC, EMC-propylene carbonate (PC), EMC-dimethyl ethylene carbonate (DMEC), EMC-isobutylene carbonate (iBC), …
NCM batteries, compared to LFP, have higher energy density, better rate performance, and better low-temperature performance. This review systematically explores the impact of various cation dopants on the performance of NCM cathode materials, highlighting how doping can enhance stability, capacity, and lifecycle of lithium-ion batteries.
Among the various rechargeable battery systems, lithium-sulfur batteries (LSBs) represent the promising next-generation high-energy power systems and have drawn considerable attention due to their fairly low cost, widespread source, high theoretical specific capacity (1,675 mAh g −1), and high energy density (2,600 Wh kg −1) (Li et al., 2016e, …
The C+YPO 4 binary coating reduces the side reactions of Li 3 V 2 (PO 4) 3 at high voltage. In addition, the binary surface coating also improves the interfacial kinetics of the electrode at low temperatures. Benefiting from these advantages, the Li 3 V 2 (PO 4) 3 cathode material can cycle stably at ultra-high rates up to 50 C. In addition ...
This is understandable considering that only NiO with Ni 2+ is known as a binary oxide and oxides like Ni 3 O 4 or ... its implication on high-energy-density cathode materials in lithium-ion ...
Battery Energy is an interdisciplinary journal focused on advanced energy materials with an emphasis on batteries and their empowerment processes. ... Because of these properties, the lithiation of silicon to form Li-Si intermetallic binary compounds ... 4.4.2 Separator types and materials. Lithium-ion batteries employ three different types of ...
Abstract: Lithium-ion batteries composed of single cathode materials, such as LiCoO 2, LiFePO 4, and LiMO 2 (M=Ni x Co y Mn z /Al z, x+y+z=1), are widely used in aerospace aviation, electric vehicles, and electronic equipment due to their high specific capacity, large energy density, and long cycle life. However, these single cathode materials have an unstable structure, high …
As previously mentioned, Li-ion batteries contain four major components: an anode, a cathode, an electrolyte, and a separator. The selection of appropriate materials for …
A binary system, x Li4MoO5–(1 − x) LiFeO2, is studied as electrode materials for rechargeable lithium batteries. A sample of single phase is obtained at x = 0.5, and it is found that Li1.42Mo0.29Fe0.29O2 (x = 0.5) crystalizes into Li5ReO6-type structure. Although an initial charge capacity of Li1.42Mo0.29Fe0.29O2 reaches 350mAhg−1, irreversible phase transition …
When employed as anode materials for lithium-ion batteries, the ZnTeMoO6 prepared in the supercritical hydrothermal system delivers stable discharge capacity of 261.8 mAh g⁻¹ at a current ...
Sepiolite Enfolded Sulfur/ZnO Binary Composite Cathode Material for Li-S Battery. Chelladurai Kalaiselvi 1 Rengapillai Subadevi 1 * Fu-Ming Wang 2 ... K., Subadevi, R., and Sivakumar, M. (2018). Effect of silicon dioxide in sulfur/carbon black composite as a cathode material for lithium sulfur batteries. Vacuum 161, 37–48. doi: 10.1016/j ...
Transmission electron microscopy (TEM) was employed to further study the morphologies of these glycerolates. It was observed that all binary-transition metal glycerolates, except mono-transition metal glycerolates …
A simplified battery structure is shown in Fig. 1 (b), where a standard LIB consists of a negative electrode (anode), a positive electrode (cathode), an electrolyte, and a separator [6].The electrolyte (in solid/gel/liquid form) allows for the transfers of lithium-ions within the battery, while the separator acts as an electrical insulator, preventing a short circuit between …
The demand for portable power sources with higher energy density and longer lifespan has prompted researchers to focus on developing better electrode materials for …
Lithium-ion batteries are the enabling technology for a variety of modern day devices, including cell phones, laptops and electric vehicles. To answer the energy and voltage demands of future applications, further materials engineering of the battery components is necessary. To that end, metal fluorides could provide interesting new conversion cathode and …
Lithium–sulfur (Li–S) batteries with high theoretical energy density have been long considered as an alternative energy storage device to lithium-ion batteries. Nevertheless, the polysulfide shuttle effects trigger fast capacity decay and short battery lifespan, severely hampering their practical utilizations.
Lithium-sulfur batteries (LSBs) are considered to be one of the most promising candidates for becoming the post-lithium-ion battery technology, which would require a high level of energy density across a variety of applications. An increasing amount of research has been conducted on LSBs over the past decade to develop fundamental understanding, …
Towards a Better Understanding of Lithium Ion Local Environment in Pure, Binary and Ternary Mixtures of Carbonate Solvents: a Numerical Approach. Université Grenoble Alpes (2015 ... Effects of lithium tungsten oxide coating on LiNi0.90Co0.05Mn0.05O2 cathode material for lithium-ion batteries. J. Power Sources, 481 (October 2020) (2021), p. 229037.
Iron-based sulfides have been deemed as an appealing anode material for lithium-ion batteries (LIBs) and sodium-ion batteries (SIBs) for their high theoretical capacity and low cost. However, their practical application is limited by drastic volume expansion during cycling and low-intrinsic electronic conductivity. In this work, we report a FeS2/Fe7S8-rGO …
Low-nickel materials are limited by their capacity, which is lower than 180 mAh/g, so especially the nickel-rich layered structure cathode material NCM811 has received much attention. 14 NCM811 has a high lithium ion migration number, a discharge capacity of more than 200 mAh/g, and an energy density of 800 WH/kg. 15 The advantages of NCM811 ...
To improve the safety of the electrolyte used for lithium secondary batteries, binary mixed solvent electrolytes containing trifluoropropylene carbonate (TFPC) as cosolvent have been studied. Chloroethylene carbonate (CIEC), ethylene carbonate, and propylene carbonate were chosen as the other component of the binary mixed solvent for the …
Sulfide solid electrolytes are regarded as a pivotal component for all-solid-state lithium batteries (ASSLBs) due to their inherent advantages, such as high ionic conductivity and favorable mechanical properties. However, persistent challenges related to electrochemical stability and interfacial compatibility have remained significant hurdles in their practical …
DOI: 10.1021/ACS EMMATER.5B04092 Corpus ID: 101259842; Synthesis and Electrochemical Properties of Li4MoO5–NiO Binary System as Positive Electrode Materials for Rechargeable Lithium Batteries
The electrode materials, such as carbon-based, semiconductor/metal, metal oxides/nitrides/phosphides/sulfides, determine appreciable properties of Li-ion batteries such …
In line with these advances, we propose binary cobalt-free blended LiNi 0.6 Mn 0.4 O 2 (NM64)/LiMn 2 O 4 (LMO) cathode materials as promising alternatives to develop …
Matsuhara, T. et al. Synthesis and electrode performance of Li4MoO5-LiFeO2 binary system as positive electrode materials for rechargeable lithium batteries. Electrochemistry 84, 797–801 (2016).
Materials that undergo a conversion reaction with lithium (e.g., metal fluorides MF 2: M = Fe, Cu, ...) often accommodate more than one Li atom per transition-metal cation, and are promising candidates for high-capacity …
This review focuses on the research progress of sulfide solid electrolytes. Two systems of (100-x)Li 2 S-xP 2 S 5 and Li 2 S-M x S y-P 2 S 5 are systematically reviewed from four aspects, the crystal structure, conductivity, stability and application.The methods for preparing sulfide solid electrolytes are summarized, and, their advantages and disadvantages …
Materials that undergo a conversion reaction with lithium (e.g., metal fluorides MF 2: M = Fe, Cu,...) often accommodate more than one Li atom per transition-metal cation, and are promising candidates for highcapacity cathodes for lithium ion batteries.However, little is known about the mechanisms involved in the conversion process, the origins of the large polarization during …
Metal ions in ternary LIB cathode materials (LiCoO 2 /LiNiO 2 /LiMn 2 O 4) were leached into hydrothermal water with citric acid at 60–90 °C.The leaching efficiency increased with temperature and time. Mn ion was completely leached at 60 °C for 5 min, and at 90 °C for 20 min, the leaching efficiencies of Li, Ni, and Co arrived at 81 %, 73 %, and 100 %, respectively.
DOI: 10.1007/s00339-019-2758-7 Corpus ID: 195290056; A solution-processed binary composite as a cathode material in lithium–sulfur batteries @article{Krishnaveni2019ASB, title={A solution-processed binary composite as a cathode material in lithium–sulfur batteries}, author={Kumar Krishnaveni and Rengapillai Subadevi …
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