Pushing the limit of 3d transition metal-based layered oxides that use both cation and anion redox for energy storage

M Zhang, DA Kitchaev, Z Lebens-Higgins… - Nature Reviews …, 2022 - nature.com
Intercalation chemistry has dominated electrochemical energy storage for decades, and
storage capacity worldwide has now reached the terawatt-hour level. State-of-the-art …

Highly reversible local structural transformation enabled by native vacancies in O2-type Li-rich layered oxides with anion redox activity

H Liu, C Li, W Tong, B Hu - The Journal of Physical Chemistry …, 2023 - ACS Publications
A novel O2-phase Li1. 033Ni0. 2 [□ 0.1 Mn0. 5] O2 cathode with native vacancies (denoted
as “□”) was delicately designed. By a combination of noninvasive 7Li pj-MATPASS NMR …

What triggers the voltage hysteresis variation beyond the first cycle in Li-rich 3d layered oxides with reversible cation migration?

H Liu, C Zhao, Q Qiu, B Hu, F Geng, J Li… - The Journal of …, 2021 - ACS Publications
Herein, the structure–electrochemistry relationship of O2-Li5/6 (Li0. 2Ni0. 2Mn0. 6) O2 is
deliberately studied by local-structure probes including site-sensitive 7Li pj-MATPASS NMR …

Lithiation and Delithiation Dynamics of Different Li Sites in Li-Rich Battery Cathodes Studied by Operando Nuclear Magnetic Resonance

X Li, M Tang, X Feng, I Hung, A Rose… - Chemistry of …, 2017 - ACS Publications
Li in Li-rich cathodes mostly resides at octahedral sites in both Li layers (LiLi) and transition
metal layers (LiTM). Extraction and insertion of LiLi and LiTM are strongly influenced by …

Structural and Electrochemical Kinetic Properties of 0.5Li2MnO3∙0.5LiCoO2 Cathode Materials with Different Li2MnO3 Domain Sizes

S Kaewmala, W Limphirat, V Yordsri, H Kim… - Scientific reports, 2019 - nature.com
Lithium rich layered oxide xLi2MnO3∙(1− x) LiMO2 (M= Mn, Co, Ni, etc.) materials are
promising cathode materials for next generation lithium ion batteries. However, the …

Sequential delithiation behavior and structural rearrangement of a nanoscale composite-structured Li1.2Ni0.2Mn0.6O2 during charge–discharge cycles

K Shimoda, K Yazawa, T Matsunaga, M Murakami… - Scientific Reports, 2020 - nature.com
Lithium-and manganese-rich layered oxides (LMRs) are promising positive electrode
materials for next-generation rechargeable lithium-ion batteries. Herein, the structural …

Controlled atomic solubility in Mn‐rich composite material to achieve superior electrochemical performance for Li‐ion batteries

J Lee, Q Zhang, J Kim, N Dupre… - Advanced Energy …, 2020 - Wiley Online Library
The quest for high energy density and high power density electrode materials for lithium‐ion
batteries has been intensified to meet strongly growing demand for powering electric …

Strain-induced stabilization of charged state in Li-rich layered transition-metal oxide for Lithium-ion batteries

T Kawaguchi, M Sakaida, M Oishi… - The Journal of …, 2018 - ACS Publications
Li-rich layered oxide (LLO) is a promising cathode material for lithium-ion batteries because
of its large capacity in comparison with conventional layered rock-salt structure materials. In …

Solid‐State NMR and EPR Characterization of Transition‐Metal Oxides for Electrochemical Energy Storage

X Li, M Deck, YY Hu - Transition metal oxides for …, 2022 - Wiley Online Library
Transition‐metal oxides are important cathode materials for rechargeable lithium‐ion
batteries. During the lithiation and de‐lithiation processes, even though the long‐range …

Superior rate capability and cycling stability in partially cation-disordered co-free Li-rich layered materials enabled by an initial activation process

J Lee, Y Yang, M Jeong, N Dupre, M Avdeev… - Chemistry of …, 2021 - ACS Publications
Li-rich layered materials that have Co-free and Mn-rich 3d-transition metals have the
potential to increase the achievable energy density of batteries because they are …