Layered lithium-rich materials are promising cathode materials for the development of next-generation high-energy-density lithium-ion batteries. Understanding the principles of the performance degradation mechanisms is a prerequisite for progress in this area.
Lithium-ion batteries (LIBs) with layered oxide cathodes have seen widespread success in electric vehicles (EVs) and large-scale energy storage systems (ESSs) owing to their high energy and cycle stability. The rising demand for higher-energy LIBs has driven the development of advanced, cost-effective cathode materials with high energy density.
This Review presents various high-energy cathode materials which can be used to build next-generation lithium-ion batteries. It includes nickel and lithium-rich layered oxide materials, high voltage spinel oxides, polyanion, cation disordered rock-salt oxides and conversion materials.
1 · ConspectusDeveloping high energy density, low-cost, and safe batteries remains a constant challenge that not only drives technological innovation but also holds the potential to transform human lifestyles. Although lithium-ion batteries have been widely adopted, their theoretical energy density is nearing its limit. Consequently, there is an urgent need to explore
6 · A dual-gradient design. In 2012, Argonne researchers advanced the state-of-the-art for lithium-ion batteries with a novel cathode (positive electrode) material that significantly increased energy density and durability. The team fine-tuned the composition of nickel, manganese and cobalt in cathode particles to optimally harness the beneficial
The future of Li-ion batteries is expected to bring significant advancements in cathode materials, including high-voltage spinels and high-capacity Li-/Mn-rich oxides, integrated with system-level improvements like solid-state electrolytes, crucial for developing next-generation batteries with higher energy densities, faster charging, and longer...
With the award of the 2019 Nobel Prize in Chemistry to the development of lithium-ion batteries, it is enlightening to look back at the evolution of the cathode chemistry that made the modern...
Herein, we summarized recent literatures on the properties and limitations of various types of cathode materials for LIBs, such as Layered transition metal oxides, spinel oxides, polyanion compounds, conversion-type cathode and organic cathodes materials.
Cathode. To cater to the high capacity of lithium metal, conversion-type cathodes including metal fluorides, sulfides or oxides (Fig. 1c) were considered at first. During battery operation,...
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