Recent Advances and Prospects of Atomic Substitution on Layered Positive Materials for Lithium‐Ion Battery
Sign Up to like & getrecommendations! Published in 2020 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202003197
Abstract: This work not only summarizes the previous doping research that focused on the optimization of a bulk doping composition but also introduces a new doping strategy, namely, “electrochemical reaction mechanism control doping.” The new electrochemical… read more here.
Keywords: cathode materials; substitution layered; materials lithium; layered cathode ... See more keywords
Tuning Sodium Occupancy Sites in P2‐Layered Cathode Material for Enhancing Electrochemical Performance
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Energy Materials"
DOI: 10.1002/aenm.202003455
Abstract: Different sodium occupancy sites in P2‐layered cathode materials can reorganize Na‐ion distribution and modify the Na+/vacancy superstructure, which have a vital impact on the Na‐ion transport and Na storage behavior during charge and discharge processes,… read more here.
Keywords: sites layered; occupancy sites; sodium occupancy; layered cathode ... See more keywords
Probing the Ni(OH)2 Precursor for LiNiO2 at the Atomic Scale: Insights into the Origin of Structural Defect in a Layered Cathode Active Material.
Sign Up to like & getrecommendations! Published in 2022 at "Small"
DOI: 10.1002/smll.202205508
Abstract: In lithium ion batteries (LIBs), the layered cathode materials of composition LiNi1- x - y Cox Mny O2 are critical for achieving high energy densities. A high nickel content (>80%) provides an attractive balance between… read more here.
Keywords: layered cathode; defect; precursor linio2; cathode active ... See more keywords
A Bifunctional-Modulated Conformal Li/Mn-Rich Layered Cathode for Fast-Charging, High Volumetric Density and Durable Li-Ion Full Cells
Sign Up to like & getrecommendations! Published in 2021 at "Nano-Micro Letters"
DOI: 10.1007/s40820-021-00643-1
Abstract: A lithium- and manganese-rich (LMR) layered cathode with semi-hollow microsphere structure is synthesized, of which the unique structure design enabled high tap density (2.1 g cm −3 ) and bidirectional ion diffusion pathways The surface… read more here.
Keywords: energy; layered cathode; density; ion ... See more keywords
Synergy effects on blending Li-rich and classical layered cathode oxides with improved electrochemical performance
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.04.250
Abstract: Abstract Blending different cathode materials to construct composites can be in compatibility with their individual advantages to exhibit better electrochemical performances. In this study, we blend Li-rich and classical layered cathode materials to realize the… read more here.
Keywords: layered cathode; classical layered; rich classical; cathode ... See more keywords
A journey through layered cathode materials for lithium ion cells – From lithium cobalt oxide to lithium-rich transition metal oxides
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Alloys and Compounds"
DOI: 10.1016/j.jallcom.2021.159239
Abstract: Abstract Lithium ion batteries (LIBs) have emerged as an important power source for various applications including portable electronics, military, space etc. Cathode materials play an important role in deciding the performance of LIBs. Layered transition… read more here.
Keywords: transition metal; layered cathode; cathode; cathode materials ... See more keywords
The nature of irreversible phase transformation propagation in nickel-rich layered cathode for lithium-ion batteries
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Energy Chemistry"
DOI: 10.1016/j.jechem.2021.03.035
Abstract: Abstract Ni-rich layered cathode is regarded as one of the most promising candidates to achieve lithium-ion batteries (LIBs) with high energy density. However, due to the irreversible phase transformation (IPT) and its eventual propagation from… read more here.
Keywords: propagation; surface; lithium ion; layered cathode ... See more keywords
In-situ reconstruction of spinel interface on Li-rich layered cathode with improved electrochemical performances
Sign Up to like & getrecommendations! Published in 2021 at "Journal of Power Sources"
DOI: 10.1016/j.jpowsour.2021.229966
Abstract: Abstract The produced inactive interface during the cycle and poor rate performance are the inevitable obstacles for the practicability of lithium-rich layered cathode. Here, we report that in-situ surface pretreatment technique with hydrazine hydrate can… read more here.
Keywords: epitaxial spinel; layered cathode; interface; rich layered ... See more keywords
Microstructural visualization of compositional changes induced by transition metal dissolution in Ni-rich layered cathode materials by high-resolution particle analysis
Sign Up to like & getrecommendations! Published in 2019 at "Nano Energy"
DOI: 10.1016/j.nanoen.2018.11.046
Abstract: Abstract The dissolution of transition metals (TMs) from LiMO2 (M = Ni, Co, Mn) cathodes and their subsequent side reactions on the anode and in the electrolyte result in Li-ion battery capacity and power losses.… read more here.
Keywords: resolution; compositional changes; layered cathode; dissolution ... See more keywords
Bi-functional Surface Coating of LiNbO3 on High-Ni Layered Cathode Materials for Lithium Ion Batteries.
Sign Up to like & getrecommendations! Published in 2020 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.0c10799
Abstract: High-Ni cathode materials with a layered structure generally suffer from structural instability induced by highly reactive Ni component especially at the surface. Crystalline LiNbO3, with excellent thermal stability and ionic conductivity, has the potential to… read more here.
Keywords: layered cathode; cathode materials; cathode; linbo3 high ... See more keywords
Surface Stabilization of Ni-Rich Layered Cathode Materials via Surface Engineering with LiTaO3 for Lithium-Ion Batteries.
Sign Up to like & getrecommendations! Published in 2022 at "ACS applied materials & interfaces"
DOI: 10.1021/acsami.1c19443
Abstract: Recently, Ni-rich layered cathode materials have become the most common material used for lithium-ion batteries. From a structural viewpoint, it is crucial to stabilize the surface structures of such materials, as they are prone to… read more here.
Keywords: layered cathode; surface; rich cathode; cathode materials ... See more keywords