Li 2 O:Li–Mn–O Disordered Rock‐Salt Nanocomposites as Cathode Prelithiation Additives for High‐Energy Density Li‐Ion Batteries
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DOI: 10.1002/aenm.201902788
Abstract: DOI: 10.1002/aenm.201902788 The direct contact of anode materials and lithium metal[3,4] is a common prelithiation strategy for improving the Coulombic efficiency of the battery, although this is not exempt from several disadvantages mostly related to… read more here.
Keywords: prelithiation; prelithiation additives; battery; ion batteries ... See more keywords
Synthesis and electrochemical properties of cation‐disordered rock‐salt xLi3NbO4·(1 − x) NiO compounds for Li‐ion batteries
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Energy Research"
DOI: 10.1002/er.6050
Abstract: In this study, Li‐excess cation‐disordered rock‐salt cathode materials, xLi3NbO4·(1 − x) NiO (LNNO, 0.55 ≤ x ≤ 0.7), are synthesized to explore the effect of composition on the structure and electrochemical performance using a sol‐gel method for the first… read more here.
Keywords: cation disordered; disordered rock; rock; rock salt ... See more keywords
Significant role of oxygen redox reaction with O2-release in Li-excess cation-disordered rock-salt cathodes Li2+2Mn1−Ti1−O4: First-principles calculations
Sign Up to like & getrecommendations! Published in 2020 at "Electrochimica Acta"
DOI: 10.1016/j.electacta.2019.135286
Abstract: Abstract Cation-disordered rock-salt oxides Li 2 + 2 x Mn 1 − x Ti 1 − x O 4 with Li-excess x are promising Li-ion battery cathodes employing the anion-redox strategy. To clarify cathode properties… read more here.
Keywords: cation; cation disordered; rock salt; principles calculations ... See more keywords
Tailoring the redox-active transition metal content to enhance cycling stability in cation-disordered rock-salt oxides
Sign Up to like & getrecommendations! Published in 2021 at "Energy Storage Materials"
DOI: 10.1016/j.ensm.2021.08.045
Abstract: Abstract Lithium-excess cation-disordered rock-salt oxides (DRXs) are investigated intensively as cathode materials for future lithium-ion batteries combining cationic and anionic redox reactions. However, the lattice oxygen redox can cause severe oxygen release resulting in rapid… read more here.
Keywords: salt oxides; rock salt; cation disordered; content ... See more keywords
Oxygen Activity in Li-Rich Disordered Rock-Salt Oxide and the Influence of LiNbO3 Surface Modification on the Electrochemical Performance
Sign Up to like & getrecommendations! Published in 2019 at "Chemistry of Materials"
DOI: 10.1021/acs.chemmater.8b04504
Abstract: Li-rich disordered rock-salt oxides such as Li1.2Ni1/3Ti1/3Mo2/15O2 are receiving increasing attention as high-capacity cathodes due to their potential as high-energy materials with variable elemental composition. However, the first-cycle oxygen release lowers the cycling performance due… read more here.
Keywords: disordered rock; rock salt; surface; performance ... See more keywords
Structural Stabilization of Cation-Disordered Rock-Salt Cathode Materials: Coupling between a High-Ratio Inactive Ti4+ Cation and a Mn2+/Mn4+ Two-Electron Redox Pair.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.2c10652
Abstract: Cation-disordered rock-salt cathode materials are featured by their extraordinarily high specific capacities in lithium-ion batteries primarily contributed by anion redox reactions. Unfortunately, anion redox reactions can trigger oxygen release in this class of materials, leading… read more here.
Keywords: rock salt; cation; cation disordered; disordered rock ... See more keywords
Regulating the Anion Redox and Suppressing the Structural Distortion of Cation-Disordered Rock-Salt Cathode Materials to Improve Cycling Durability through Chlorine Substitution.
Sign Up to like & getrecommendations! Published in 2023 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.3c01280
Abstract: Owing to the capacity boost from anion redox activities, cation-disordered rock-salt oxides are considered as potential candidates for the next-generation of high energy density Li-ion cathode materials. Unfortunately, the anion redox process that affords ultra-high… read more here.
Keywords: rock salt; cation disordered; disordered rock;
Charge Transfer Band Gap as an Indicator of Hysteresis in Li-Disordered Rock Salt Cathodes for Li-Ion Batteries.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of the American Chemical Society"
DOI: 10.1021/jacs.8b11413
Abstract: Disordered rock salt cathodes showing both anionic and cationic redox are being extensively studied for their very high energy storage capacity. Mn-based disordered rock salt compounds show much higher energy efficiency compared to the Ni-based materials… read more here.
Keywords: salt cathodes; rock salt; hysteresis; disordered rock ... See more keywords
A disordered rock salt anode for fast-charging lithium-ion batteries.
Sign Up to like & getrecommendations! Published in 2020 at "Nature"
DOI: 10.1038/s41586-020-2637-6
Abstract: Rechargeable lithium-ion batteries with high energy density that can be safely charged and discharged at high rates are desirable for electrified transportation and other applications1-3. However, the sub-optimal intercalation potentials of current anodes result in… read more here.
Keywords: fast charging; rock salt; lithium; disordered rock ... See more keywords
Understanding the limits to Short-range order Suppression in Many-Component Disordered Rock Salt Lithium-ion Cathode Materials
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Materials Chemistry A"
DOI: 10.1039/d3ta02088f
Abstract: Suppressing unfavourable short-range ordering in disordered rock salt lithium-ion cathode materials is seen as a key research goal on their route to commercialisation. In this study we use cluster-expansion-driven Monte... read more here.
Keywords: ion cathode; short range; rock salt; lithium ion ... See more keywords
Towards commercialization of fluorinated cation-disordered rock-salt Li-ion cathodes
Sign Up to like & getrecommendations! Published in 2023 at "Frontiers in Chemistry"
DOI: 10.3389/fchem.2023.1098460
Abstract: Cation-disordered rock-salt cathodes (DRX) are promising materials that could deliver high capacities (>250 mAh g−1) with Earth abundant elements and materials. However, their electrochemical performances, other than the capacity, should be improved to be competitive… read more here.
Keywords: rock salt; fluorinated cation; cation disordered; disordered rock ... See more keywords