Research progress on Li- and Mn-rich cathode materials for lithium-ion batteries

Lithium-ion battery is considered to be one of the most promising energy storage systems that are able to satisfy the requirements of power battery, but the current energy density, power density and safety performance for lithium-ion batteries can't meet the needs of the development of electric vehicles. As the only lithium ions supplier, the cathode materials for lithium-ion batteries greatly limit the performance of lithium-ion battery.Therefore, the development of cathode materials with a higher energy density, higher power density and better safety performance is highly desired. Owing to high theoretical capacity, low cost, and low toxicity, ternary layered transition metal oxide cathode materials are considered to be the most promising cathode materials for the next-generation lithium-ion batteries. And in order to fully release the capacities of ternary layered transition metal oxide cathode materials high voltage is necessary, but the cycle stability is not good enough when ternary layered transition metal oxide cathode materials are set with a high voltage range. What’s more, the poor storage performance is another factor that restricts the wide application in electric vehicles. This review describes several common cathode materials, highlighting the advantages and disadvantages of ternary layered transition metal oxide cathode materials and modification progress.

Effects of microwave irradiation on the electrochemical performance of manganese-based cathode materials for lithium-ion batteries

Benzene-1,2-dithiolato complexes as cathode materials for rechargeable lithium batteries

Undesired electrode–electrolyte interactions prevent the use of many high-energy-density cathode materials in practical lithium-ion batteries. Efforts to address their limited service life have predominantly focused on the active electrode materials and electrolytes. Here an advanced three-dimensional chemical and imaging analysis on a model material, the nickel-rich layered lithium transition-metal oxide, reveals the dynamic behaviour of cathode interphases driven by conductive carbon additives (carbon black) in a common nonaqueous electrolyte. Region-of-interest sensitive secondary-ion mass spectrometry shows that a cathode-electrolyte interphase, initially formed on carbon black with no electrochemical bias applied, readily passivates the cathode particles through mutual exchange of surface species. By tuning the interphase thickness, we demonstrate its robustness in suppressing the deterioration of the electrode/electrolyte interface during high-voltage cell operation. Our results provide insights on the formation and evolution of cathode interphases, facilitating development of in situ surface protection on high-energy-density cathode materials in lithium-based batteries.

Effect of multi-walled carbon nanotubes on the electrochemical performance of LiVPO4F cathode material for rechargeable lithium-ion batteries

Effect of carbon coating on the structure and electrochemical properties of β-LiVOPO4 cathode material for lithium-ion batteries

Lithium-rich manganese-based layered oxide cathode materials for lithium-ion batteries modified by MoS2 coatings with two-dimensional graphene-like structures

Synthesis and performance of Li1.5V3O8 nanosheets as a cathode material for high-rate lithium-ion batteries

Due to the increasing need for electronic products like smartphones and electric vehicles, lithium-ion battery research has long been a prominent field of study. Lithium-ion batteries are a growing battery technology that is widely used in industries such as power, electronic equipment, communication, civil aviation, and the military as an efficient, dependable, and long-lasting energy storage system. Lithium-ion batteries' cathode materials are an essential component, and how well they function has a significant impact on how well and how long the battery will survive. Based on their structural characteristics, layered rock salt, spinel, and olivine are the three major types of materials used to create cathodes. Each structure has a unique arrangement that gives the matching materials a varied performance. To serve as a guide for choosing cathode materials for the next lithium-ion batteries, this article discusses the research progress of cathode materials with various architectures based on these three structures and analyzes their benefits and drawbacks.

Advances in new cathode material LiFePO4 for lithium-ion batteries

Tailored solution combustion method for enhancing high voltage electrochemical performance Li1.2Ni0.1Mn0.6Co0.1O2 as cathode material for lithium-ion batteries

In order to satisfy the rapidly increasing demands for a large variety of applications, there has been a strong desire for low-cost and high-energy lithium-ion batteries and thus for next-generation cathode materials having low cost yet high capacity. In this regard, the research of cobalt (Co)-free and nickel (Ni)-rich (CFNR) layered oxide cathode materials, able to meet the low-cost and high-capacity requirements, has been extensively pursued but remains challenging largely due to the elimination of Co and high content of Ni in these materials. Herein, we systematically review the challenges and recent advances of CFNR cathode materials on these important aspects. Specifically, we first clarify the role of Co in Ni-rich layered oxides and the possibility of its elimination to fabricate CFNR cathode materials. We then discuss the methods developed to synthesize these cathode materials. This is followed by the elucidation about their degradation mechanisms and the research progress of modification strategies achieved in enhancing the properties for these materials. Finally, we discuss the current challenges and future prospects of CFNR cathode materials as the next-generation cathode materials for low-cost and high-energy lithium-ion batteries.

Improving soldier portable power systems is very important for saving soldiers' lives and having a strategic advantage in a war. This paper reports our work on synthesizing lithium vanadium oxides (Li_1+xV₃O₈) and developing their applications as the cathode (positive) materials in lithium-ion batteries for soldier portable power systems. Two synthesizing methods, solid-state reaction method and sol-gel method, are used in synthesizing lithium vanadium oxides, and the chemical reaction conditions are determined mainly based on thermogravimetric and differential thermogravimetric (TG-DTG) analysis. The synthesized lithium vanadium oxides are used as the active positive materials in the cathodes of prototype lithium-ion batteries. By using the new solid-state reaction technique proposed in this paper, lithium vanadium oxides can be synthesized at a lower temperature and in a shorter time, and the synthesized lithium vanadium oxide powders exhibit good crystal structures and good electrochemical properties. In the sol-gel method, different lithium source materials are used, and it is found that lithium nitrate (LiNO₃) is better than lithium carbonate (Li₂CO₃) and lithium hydroxide (LiOH). The lithium vanadium oxides synthesized in this work have high specific charge and discharge capacities, which are helpful for reducing the sizes and weights, or increasing the power capacities, of soldier portable power systems.

Lithium-Ion Batteries: Material Challenges and Perspectives, Daiwon Choi, Wei Wang, and Zhenguo Yang Cathode Materials for Lithium-Ion Batteries, Zhumabay Bakenov and Izumi Taniguchi Anode Materials for Lithium-Ion Batteries, Ricardo Alcantara, Pedro Lavela, Carlos Perez, and Jose L. Tirado Electrolytes for Lithium-Ion Batteries, Alexandra Lex-Balducci, Wesley Henderson, and Stefano Passerini Separators for Lithium-Ion Batteries, Shriram Santhanagopalan and Zhengming (John) Zhang First-Principles Methods in the Modeling of Lithium-Ion Battery Materials, John S. Tse and Jianjun Yang A Multidimensional, Electrochemical-Thermal Coupled Lithium-Ion Battery Model, Gang Luo and Chao-Yang Wang State-of-the-Art Production Technology of Cathode and Anode Materials for Lithium-Ion Batteries, Guoxian Liang and Dean D. MacNeil

Na0.282V2O5: A high-performance cathode material for rechargeable lithium batteries and sodium batteries