Challenges and Strategies to Advance High‐Energy Nickel‐Rich Layered Lithium Transition Metal Oxide Cathodes for Harsh Operation
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DOI: 10.1002/adfm.202004748
Abstract: Nickel‐rich layered lithium transition metal oxides (LiNi1−x−yCoxMnyO2 and LiNi1−x−yCoxAlyO2, x + y ≤ 0.2) are the most attractive cathode materials for the next generation lithium‐ion batteries for automotive application. However, they suffer from structural/interfacial instability… read more here.
Keywords: rich layered; lithium transition; layered lithium; nickel rich ... See more keywords
Ti‐Based Surface Integrated Layer and Bulk Doping for Stable Voltage and Long Life of Li‐Rich Layered Cathodes
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Functional Materials"
DOI: 10.1002/adfm.202009310
Abstract: High‐energy‐density lithium‐rich layered oxides (LLOs) hold the greatest promise to address the range anxiety of electric vehicles. Their application, however, has been prevented by fast voltage decay and capacity fading for years, which mainly originate… read more here.
Keywords: based surface; integrated layer; surface; voltage ... See more keywords
Composite Nanostructure Construction on the Grain Surface of Li-Rich Layered Oxides.
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DOI: 10.1002/adma.201906070
Abstract: Li-rich layered oxides (LLOs) are fascinating high-energy cathodes for lithium-ion batteries (LIBs), but still suffer from critical drawbacks that retard their practical applications. Although surface modification is effective to protect LLOs from structural deterioration, the… read more here.
Keywords: composite nanostructure; surface; layered oxides; rich layered ... See more keywords
Excess-Li Localization Triggers Chemical Irreversibility in Li- and Mn-Rich Layered Oxides.
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DOI: 10.1002/adma.202001944
Abstract: Li- and Mn-rich layered oxides (LMRs) have emerged as practically feasible cathode materials for high-energy-density Li-ion batteries due to their extra anionic redox behavior and market competitiveness. However, sluggish kinetics regions ( read more here.
Keywords: chemical irreversibility; layered oxides; chemistry; irreversibility ... See more keywords
Imitating Architectural Mortise-Tenon Structure for Stable Ni-Rich Layered Cathodes.
Sign Up to like & getrecommendations! Published in 2023 at "Advanced materials"
DOI: 10.1002/adma.202301096
Abstract: Ni-rich layered oxides are the most promising cathodes for Li-ion batteries, but chemo-mechanical failures during cycling and large first-cycle capacity loss hinder their applications in high-energy batteries. Herein, by introducing spinel-like mortise-tenon structures into the… read more here.
Keywords: rich layered; mortise tenon; imitating architectural; tenon structures ... See more keywords
New Insight into Ni‐Rich Layered Structure for Next‐Generation Li Rechargeable Batteries
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DOI: 10.1002/aenm.201701788
Abstract: An increase in the amount of nickel in LiMO2 (M = Ni, Co, Mn) layered system is actively pursued in lithium-ion batteries to achieve higher capacity. Nevertheless, fundamental effects of Ni element in the three-component… read more here.
Keywords: interslab thickness; layered system; insight rich; new insight ... See more keywords
Eliminating Transition Metal Migration and Anionic Redox to Understand Voltage Hysteresis of Lithium‐Rich Layered Oxides
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DOI: 10.1002/aenm.201903634
Abstract: Lithium‐rich layered oxides are promising candidate cathode materials for the Li‐ion batteries with energy densities above 300 Wh kg−1. However, issues such as the voltage hysteresis and decay hinder their commercial applications. Due to the… read more here.
Keywords: layered oxides; hysteresis; migration; anionic redox ... See more keywords
Air Instability of Ni‐Rich Layered Oxides–A Roadblock to Large Scale Application
Sign Up to like & getrecommendations! Published in 2022 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202202993
Abstract: Benefiting from the excellent lithium ions diffusion kinetics and considerable discharge specific capacity, Ni‐rich layered oxides have become the preferred selection cathode active materials (CAMs) for high energy density Li‐ion batteries. However, due to the… read more here.
Keywords: air instability; instability rich; air; rich layered ... See more keywords
Enabling Aqueous Processing of Ni‐Rich Layered Oxide Cathode Materials by Addition of Lithium Sulfate
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DOI: 10.1002/cssc.202202161
Abstract: Abstract Aqueous processing of Ni‐rich layered oxide cathode materials is a promising approach to simultaneously decrease electrode manufacturing costs, while bringing environmental benefits by substituting the state‐of‐the‐art (often toxic and costly) organic processing solvents. However,… read more here.
Keywords: addition; processing; processing rich; lithium ... See more keywords
Adaptive Cation Pillar Effects Achieving High Capacity in Li-Rich Layered Oxide, Li2 MnO3 -LiMeO2 (Me = Ni, Co, Mn).
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DOI: 10.1002/smll.202203412
Abstract: Intensive research is underway to further enhance the performance of lithium-ion batteries (LIBs). To increase the capacity of positive electrode materials, Li-rich layered oxides (LLO) are attracting attention but have not yet been put to… read more here.
Keywords: metal ions; capacity; high capacity; cation ... See more keywords
Induction and Maintenance of Local Structural Durability for High‐Energy Nickel‐Rich Layered Oxides
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DOI: 10.1002/smtd.202200255
Abstract: Nickel‐rich layered oxides are one of the most promising cathode candidates for next‐generation high‐energy‐density lithium‐ion batteries. However, due to similar ion radius between Li+ and Ni2+(0.76 and 0.69 Å), the Li+/Ni2+ mixing phenomenon seriously hinders… read more here.
Keywords: high energy; nickel rich; energy; rich layered ... See more keywords