Articles with "voltage decay" as a keyword



Understanding Voltage Decay and Hysteresis in Li‐Rich Layered Oxide Cathodes

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Published in 2025 at "Advanced Functional Materials"

DOI: 10.1002/adfm.202503578

Abstract: Li‐rich layered oxide cathodes (LLOs) with anionic redox are promising to boost the energy density of lithium batteries beyond 500 Wh kg−1. However, their commercialization has long been hampered by inherent drawbacks, particularly voltage decay… read more here.

Keywords: rich layered; understanding voltage; voltage decay; decay hysteresis ... See more keywords

Mechano‐Electrochemical Behavior of Nanostructured Li‐ and Mn‐Rich Layered Oxides with Superior Capacity Retention and Voltage Decay for Sulfide‐Based All‐Solid‐State Batteries

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Published in 2024 at "Advanced Energy Materials"

DOI: 10.1002/aenm.202403374

Abstract: Li‐ and Mn‐rich layered oxides (LMROs) are recognized as promising cathode materials for lithium‐ion batteries (LIBs) due to their high specific capacity and cost efficiency. However, LMROs encounter challenges such as manganese dissolution in electrolytes… read more here.

Keywords: capacity retention; voltage decay; capacity;

Mitigating Capacity and Voltage Decay in Li‐Rich Cathode Via Dual‐Phase Design

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Published in 2024 at "Small Methods"

DOI: 10.1002/smtd.202401206

Abstract: High‐capacity O3‐type lithium‐rich manganese‐based (LRM) materials exhibit significant structural instability and severe voltage decay, which limit their practical applications. In contrast, the O2‐type LRM materials demonstrate remarkable structural stability despite offering lower capacity. In this… read more here.

Keywords: voltage decay; phase; lrm; capacity ... See more keywords

Improving the structural stability of Li-rich cathode materials via reservation of cations in the Li-slab for Li-ion batteries

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Published in 2017 at "Nano Research"

DOI: 10.1007/s12274-017-1489-3

Abstract: High-capacity Li-rich cathode materials can significantly improve the energy density of lithium-ion batteries, which is the key limitation to miniaturization of electronic devices and further improvement of electrical-vehicle mileage. However, severe voltage decay hinders the… read more here.

Keywords: voltage decay; cathode materials; ion batteries; rich cathode ... See more keywords

Improving rate capability and decelerating voltage decay of Li-rich layered oxide cathodes by chromium doping

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Published in 2018 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2018.04.203

Abstract: Abstract In order to improve the rate capability and mitigate the voltage decay of lithium rich layered oxides, chromium doped cathode materials Li1.2[Mn0.54Ni0.13Co0.13]1−xCrxO2 (x = 0,0.003,0.005,0.007) is synthesized via co-precipitation method followed by calcination. As a result,… read more here.

Keywords: rate capability; voltage; rich layered; voltage decay ... See more keywords

Suppress voltage decay of lithium-rich materials by coating layers with different crystalline states

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Published in 2021 at "Journal of Energy Chemistry"

DOI: 10.1016/j.jechem.2021.01.020

Abstract: Abstract Li-rich oxides are considered as the most commercial potential cathode materials due to the high theoretical specific discharge capacity. Here, ZrO2 in different crystalline states are applied as the coating layers to enhance the… read more here.

Keywords: zro2 coating; voltage decay; different crystalline; crystalline states ... See more keywords

Nb-doping in LiNi0.8Co0.1Mn0.1O2 cathode material: Effect on the cycling stability and voltage decay at high rates

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Published in 2019 at "Journal of the Taiwan Institute of Chemical Engineers"

DOI: 10.1016/j.jtice.2019.02.006

Abstract: Abstract Layered structure nickel-rich LiNi0.8Co0.1Mn0.1O2 possesses the superiority of high discharge capacity and voltage platform. However, the cycling instability and seriously voltage decay limited its cosmically commercial. Herein, Nb-doped Li(Ni0.8Co0.1Mn0.1)O2 cathode materials are synthesized by… read more here.

Keywords: voltage; lini0 8co0; 1mn0 1o2; 8co0 1mn0 ... See more keywords

Fast Voltage Decay in Perovskite Solar Cells Caused by Depolarization of Perovskite Layer

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Published in 2018 at "Journal of Physical Chemistry C"

DOI: 10.1021/acs.jpcc.8b01033

Abstract: The open-circuit voltage decay course in perovskite solar cells is studied in this work under the assistance of three techniques, i.e., electrochemical impedance spectroscopy, light intensity modulated photovoltage spectroscopy, and open-circuit voltage decay. In contrast… read more here.

Keywords: perovskite solar; voltage decay; spectroscopy; solar cells ... See more keywords
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Suppression of voltage-decay in Li2MnO3 cathode via reconstruction of layered-spinel coexisting phases

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Published in 2020 at "Journal of Materials Chemistry A"

DOI: 10.1039/d0ta05101b

Abstract: Through a combined electrochemical-thermal treatment, Li2MnO3 can be converted into new layered-spinel phases that essentially suppress the voltage decay. read more here.

Keywords: li2mno3 cathode; voltage decay; decay li2mno3; layered spinel ... See more keywords

Resolving the relationship between capacity/voltage decay and the phase transition by accelerating the layered to spinel transition

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Published in 2025 at "Chemical Science"

DOI: 10.1039/d4sc07037b

Abstract: Lithium-rich cathode materials are some of the most promising choices for lithium-ion batteries due to their excellent energy density (>900 W h kg−1). However, severe voltage/capacity degradation during cycling has seriously hindered the further commercialization… read more here.

Keywords: voltage; voltage decay; phase transition; capacity ... See more keywords

Study on the Voltage Maintaining Performance of High Energy Density Capacitor

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Published in 2018 at "IEEE Transactions on Plasma Science"

DOI: 10.1109/tps.2018.2844105

Abstract: The high energy density (HED) capacitor is the energy storage component in capacitive pulsed power systems. There is an obvious voltage decay phenomenon, when the capacitor is disconnected from the power supply, and the higher… read more here.

Keywords: voltage; capacitor; voltage decay; time ... See more keywords