Improving the structural stability of Li-rich cathode materials via reservation of cations in the Li-slab for Li-ion batteries
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Sign Up to like & getrecommendations! 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
Suppression of voltage-decay in Li2MnO3 cathode via reconstruction of layered-spinel coexisting phases
Sign Up to like & getrecommendations! 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
Study on the Voltage Maintaining Performance of High Energy Density Capacitor
Sign Up to like & getrecommendations! 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
A Comparison of Voltage Hold and Voltage Decay Methods for Side Reactions Characterization
Sign Up to like & getrecommendations! Published in 2023 at "Journal of The Electrochemical Society"
DOI: 10.1149/1945-7111/accb69
Abstract: We conducted a qualitative comparison between two methods for detecting side reactions, the voltage hold and voltage decay methods using a high-precision coulometry (HPC) tester. The measurements were conducted with Si-G/NMC811 commercial cells for three… read more here.
Keywords: voltage; side reactions; decay methods; hold voltage ... See more keywords
Revealing the Effect of High Ni Content in Li-Rich Cathode Materials: Mitigating Voltage Decay or Increasing Intrinsic Reactivity.
Sign Up to like & getrecommendations! Published in 2023 at "Small"
DOI: 10.2139/ssrn.4243643
Abstract: Li-rich layered oxides are considered as one of the most promising cathode materials for secondary lithium batteries due to their high specific capacities, but the issue of continuous voltage decay during cycling hinders their market entry. Increasing the Ni content… read more here.
Keywords: voltage decay; content rich; cathode;
Nb2O5 Coating to Improve the Cyclic Stability and Voltage Decay of Li-Rich Cathode Material for Lithium-Ion Battery
Sign Up to like & getrecommendations! Published in 2023 at "Molecules"
DOI: 10.3390/molecules28093890
Abstract: The commercialization of lithium manganese oxide (LMO) is seriously hindered by several drawbacks, such as low initial Coulombic efficiency, the degradation of the voltage and capacity during cycling, and the poor rating performance. Developing a… read more here.
Keywords: voltage decay; nb2o5 coating; lithium ion; voltage ... See more keywords