Stress accumulation in Ni-rich layered oxide cathodes: Origin, impact, and resolution
Y Su, Q Zhang, L Chen, L Bao, Y Lu, S Chen… - Journal of Energy …, 2022 - Elsevier
Abstract LiNi x Co y Mn z O 2 (NCM, x+ y+ z= 1) is one of the most promising cathode
candidates for high energy density lithium-ion batteries (LIBs). Due to the potential in …
candidates for high energy density lithium-ion batteries (LIBs). Due to the potential in …
[HTML][HTML] Chemistry–mechanics–geometry coupling in positive electrode materials: a scale-bridging perspective for mitigating degradation in lithium-ion batteries …
Despite their rapid emergence as the dominant paradigm for electrochemical energy
storage, the full promise of lithium-ion batteries is yet to be fully realized, partly because of …
storage, the full promise of lithium-ion batteries is yet to be fully realized, partly because of …
Traversing energy landscapes away from equilibrium: strategies for accessing and utilizing metastable phase space
The known crystal structures of solids often correspond to the most thermodynamically
stable arrangement of atoms. Yet, oftentimes there exist a richly diverse set of alternative …
stable arrangement of atoms. Yet, oftentimes there exist a richly diverse set of alternative …
Defining Diffusion Pathways in Intercalation Cathode Materials: Some Lessons from V2O5 on Directing Cation Traffic
The invention of rechargeable batteries has dramatically changed our landscapes and lives,
underpinning the explosive worldwide growth of consumer electronics, ushering in an …
underpinning the explosive worldwide growth of consumer electronics, ushering in an …
Cation reordering instead of phase transitions: Origins and implications of contrasting lithiation mechanisms in 1D ζ- and 2D α-V2O5
Substantial improvements in cycle life, rate performance, accessible voltage, and reversible
capacity are required to realize the promise of Li-ion batteries in full measure. Here, we have …
capacity are required to realize the promise of Li-ion batteries in full measure. Here, we have …
[HTML][HTML] Energy storage mechanisms in vacancy-ordered Wadsley–Roth layered niobates
Wadsley–Roth (WR) crystallographic shear structures demonstrate high energy and power
densities as Li-ion battery anode materials. We report the (de) lithiation behavior of two WR …
densities as Li-ion battery anode materials. We report the (de) lithiation behavior of two WR …
Machine learning-directed navigation of synthetic design space: A statistical learning approach to controlling the synthesis of perovskite halide nanoplatelets in the …
The design of a chemical synthesis often relies on a combination of chemical intuition and
Edisonian trial-and-error methods. Such methods are not just inefficient but inherently …
Edisonian trial-and-error methods. Such methods are not just inefficient but inherently …
Bending good beats breaking bad: phase separation patterns in individual cathode particles upon lithiation and delithiation
The operation of a Li-ion battery involves a concerted sequence of mass and charge
transport processes, which are underpinned by alternating dilation/contraction of the active …
transport processes, which are underpinned by alternating dilation/contraction of the active …
Chemo-mechanical degradation in V 2 O 5 thin film cathodes of Li-ion batteries during electrochemical cycling
We have devised an approach to fabricate dense textured V2O5 thin films, which allows us
to scrutinize the root cause of capacity fade in V2O5 cathodes of Li-ion batteries …
to scrutinize the root cause of capacity fade in V2O5 cathodes of Li-ion batteries …
[PDF][PDF] Multivariate hyperspectral data analytics across length scales to probe compositional, phase, and strain heterogeneities in electrode materials
The origins of performance degradation in batteries can be traced to atomistic phenomena,
accumulated at mesoscale dimensions, and compounded up to the level of electrode …
accumulated at mesoscale dimensions, and compounded up to the level of electrode …