A Universal Strategy toward the Precise Regulation of Initial Coulombic Efficiency of Li-Rich Mn-Based Cathode Materials.
Sign Up to like & getrecommendations! Published in 2021 at "Advanced materials"
DOI: 10.1002/adma.202103173
Abstract: Li-rich Mn-based cathode materials (LRMs) are potential cathode materials for high energy density lithium-ion batteries. However, low initial Coulombic efficiency (ICE) severely hinders the commercialization of LRM. Herein, a facile oleic acid-assisted interface engineering is… read more here.
Keywords: initial coulombic; cathode materials; coulombic efficiency; based cathode ... See more keywords
Building Homogenous Li2 TiO3 Coating Layer on Primary Particles to Stabilize Li-Rich Mn-Based Cathode Materials.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202106337
Abstract: Li-rich Mn-based oxides (LRMOs) are promising cathode materials for next-generation lithium-ion batteries (LIBs) with high specific energy (≈900 Wh kg-1 ) because of anionic redox contribution. However, LRMOs suffer from issues such as irreversible release… read more here.
Keywords: coating layer; li2 tio3; layer primary; rich based ... See more keywords
In Situ Induced Lattice-Matched Interfacial Oxygen-Passivation-Layer Endowing Li-Rich and Mn-Based Cathodes with Ultralong Life.
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DOI: 10.1002/smll.202200942
Abstract: The high capacity of Li-rich and Mn-based (LRM) cathode materials is originally due to the unique hybrid anion- and cation redox, which also induces detrimental oxygen escape. Furthermore, the counter diffusion of released oxygen (into… read more here.
Keywords: passivation layer; lattice matched; oxygen passivation; rich based ... See more keywords
Utilizing the different distribution habit of La and Zr in Li-rich Mn-based cathode to achieve fast lithium-ion diffusion kinetics
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2021.229915
Abstract: Abstract The commercialization prospect of Li-rich Mn-based (LRM) cathode materials lies in their high energy density (>900 Wh kg−1), but the practical application in many scenarios is hindered by their low intrinsic ionic conductivity. Herein, we… read more here.
Keywords: utilizing different; different distribution; diffusion; cathode ... See more keywords
Insight of reaction mechanism and anionic redox behavior for Li-rich and Mn-based oxide materials from local structure
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DOI: 10.1016/j.nanoen.2021.105812
Abstract: Abstract Li-rich and Mn-based oxides (LRMO) have been an obvious choice of high specific energy batteries owing to their unique anion redox behavior based on the main component Li2MnO3. However, there are still electrochemical behaviors… read more here.
Keywords: redox; structure; energy; redox behavior ... See more keywords
Interfacial Mn Vacancy for Li-Rich Mn-Based Oxide Cathodes.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c03635
Abstract: Apart from the O releasing at a low rate, large polarization at a high rate is also a big challenge for Li-rich Mn-based oxide (LMO). Prussian blue (PB) with a specific redox potential is regarded… read more here.
Keywords: coating layer; vacancy rich; based oxide; vacancy ... See more keywords
Eliminating interfacial O-involving degradation in Li-rich Mn-based cathodes for all-solid-state lithium batteries
Sign Up to like & getrecommendations! Published in 2022 at "Science Advances"
DOI: 10.1126/sciadv.add5189
Abstract: In the pursuit of energy-dense all-solid-state lithium batteries (ASSBs), Li-rich Mn-based oxide (LRMO) cathodes provide an exciting path forward with unexpectedly high capacity, low cost, and excellent processibility. However, the cause for LRMO|solid electrolyte interfacial… read more here.
Keywords: state lithium; solid state; rich based; lithium batteries ... See more keywords
Fast Charge-Transport Interface on Primary Particles Boosts High-Rate Performance of Li-Rich Mn-Based Cathode Materials.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.2139/ssrn.4267832
Abstract: A Li-rich Mn-based layered oxide cathode (LLO) is one of the most promising cathode materials for achieving high-energy lithium-ion batteries. Nevertheless, the intrinsic problems including sluggish kinetics, oxygen evolution, and structural degradation lead to unsatisfactory… read more here.
Keywords: rate; high rate; interface; rich based ... See more keywords
Effects of Mg Doping at Different Positions in Li-Rich Mn-Based Cathode Material on Electrochemical Performance
Sign Up to like & getrecommendations! Published in 2022 at "Nanomaterials"
DOI: 10.3390/nano12010156
Abstract: Li-rich Mn-based layered oxides are among the most promising cathode materials for next-generation lithium-ion batteries, yet they suffer from capacity fading and voltage decay during cycling. The electrochemical performance of the material can be improved… read more here.
Keywords: electrochemical performance; different positions; effects doping; rich based ... See more keywords