Li, M. et al. Cationic and anionic redox in lithium-ion based batteries. Chem. Soc. Rev. 49, 1688–1705 (2020).
Hu, E. et al. Evolution of redox couples in Li- and Mn-rich cathode materials and mitigation of voltage fade by reducing oxygen release. Nat. Energy 3, 690–698 (2018).
Assat, G. & Tarascon, J.-M. Fundamental understanding and practical challenges of anionic redox activity in Li-ion batteries. Nat. Energy 3, 373–386 (2018).
Sathiya, M. et al. Reversible anionic redox chemistry in high-capacity layered-oxide electrodes. Nat. Mater. 12, 827–835 (2013).
Zheng, J. et al. Li‐and Mn‐rich cathode materials: challenges to commercialization. Adv. Energy Mater. 7, 1601284 (2017).
Choi, J. W. & Aurbach, D. Promise and reality of post-lithium-ion batteries with high energy densities. Nat. Rev. Mater. 1, 16013 (2016).
Sathiya, M. et al. Origin of voltage decay in high-capacity layered oxide electrodes. Nat. Mater. 14, 230–238 (2015).
Pearce, P. E. et al. Evidence for anionic redox activity in a tridimensional-ordered Li-rich positive electrode β-Li2IrO3. Nat. Mater. 16, 580–586 (2017).
Hong, J. et al. Metal–oxygen decoordination stabilizes anion redox in Li-rich oxides. Nat. Mater. 18, 256–265 (2019).
Hu, S. et al. Insight of a phase compatible surface coating for long‐durable Li‐rich layered oxide cathode. Adv. Energy Mater. 9, 1901795 (2019).
Shang, H. et al. Suppressing voltage decay of a lithium-rich cathode material by surface enrichment with atomic ruthenium. ACS Appl. Mater. Interfaces 10, 21349–21355 (2018).
Singer, A. et al. Nucleation of dislocations and their dynamics in layered oxide cathode materials during battery charging. Nat. Energy 3, 641–647 (2018).
Yan, P. et al. Injection of oxygen vacancies in the bulk lattice of layered cathodes. Nat. Nanotechnol. 14, 602–608 (2019).
Assat, G. et al. Fundamental interplay between anionic/cationic redox governing the kinetics and thermodynamics of lithium-rich cathodes. Nat. Commun. 8, 2219 (2017).
Luo, K. et al. Charge-compensation in 3d-transition-metal-oxide intercalation cathodes through the generation of localized electron holes on oxygen. Nat. Chem. 8, 684–691 (2016).
Liu, T. et al. Understanding Co roles towards developing Co-free Ni-rich cathodes for rechargeable batteries. Nat. Energy 6, 277–286 (2021).
Liu, T. et al. Correlation between manganese dissolution and dynamic phase stability in spinel-based lithium-ion battery. Nat. Commun. 10, 4721 (2019).
Xu, C. et al. Bulk fatigue induced by surface reconstruction in layered Ni-rich cathodes for Li-ion batteries. Nat. Mater. 20, 84–92 (2021).
Xu, Z. et al. Charge distribution guided by grain crystallographic orientations in polycrystalline battery materials. Nat. Commun. 11, 83 (2020).
Ulvestad, A. et al. Topological defect dynamics in operando battery nanoparticles. Science 348, 1344–1347 (2015).
Zhang, F. et al. Surface regulation enables high stability of single-crystal lithium-ion cathodes at high voltage. Nat. Commun. 11, 3050 (2020).
Bi, Y. et al. Reversible planar gliding and microcracking in a single-crystalline Ni-rich cathode. Science 370, 1313–1317 (2020).
Qian, G. et al. Understanding the mesoscale degradation in nickel-rich cathode materials through machine-learning-revealed strain–redox decoupling. ACS Energy Lett. 6, 687–693 (2021).
Robinson, I. & Harder, R. Coherent X-ray diffraction imaging of strain at the nanoscale. Nat. Mater. 8, 291–298 (2009).
Yoon, W.-S. et al. Local structure and cation ordering in O3 lithium nickel manganese oxides with stoichiometry Li[NixMn(2−x)/3Li(1−2x)/3]O2: NMR studies and first principles calculations. Electrochem. Solid-State Lett. 7, A167–A171 (2004).
Yu, H. et al. Direct atomic‐resolution observation of two phases in the Li1.2Mn0.567Ni0.166Co0.067O2 cathode material for lithium‐ion batteries. Angew. Chem. Int. Ed. Engl. 52, 5969–5973 (2013).
Leifer, N. et al. Linking structure to performance of Li1.2Mn0.54Ni0.13Co0.13O2 (Li and Mn rich NMC) cathode materials synthesized by different methods. Phys. Chem. Chem. Phys. 22, 9098–9109 (2020).
Lin, F. et al. Synchrotron X-ray analytical techniques for studying materials electrochemistry in rechargeable batteries. Chem. Rev. 117, 13123–13186 (2017).
Xu, Z. et al. Charging reactions promoted by geometrically necessary dislocations in battery materials revealed by in situ single‐particle synchrotron measurements. Adv. Mater. 32, 2003417 (2020).
Jha, S. K., Charalambous, H., Okasinski, J. S. & Tsakalakos, T. Using in operando diffraction to relate lattice strain with degradation mechanism in a NMC battery. J. Mater. Sci. 54, 2358–2370 (2019).
Qiu, B. et al. Metastability and reversibility of anionic redox-based cathode for high-energy rechargeable batteries. Cell Rep. Phys. Sci. 1, 100028 (2020).
Li, W., Erickson, E. M. & Manthiram, A. High-nickel layered oxide cathodes for lithium-based automotive batteries. Nat. Energy 5, 26–34 (2021).
Zhao, S., Yan, K., Zhang, J., Sun, B. & Wang, G. Reaction mechanisms of layered lithium-rich cathode materials for high-energy lithium-ion batteries. Angew. Chem. Int. Ed. Engl. 60, 2208–2220 (2021).
Strehle, B. et al. The role of oxygen release from Li-and Mn-rich layered oxides during the first cycles investigated by on-line electrochemical mass spectrometry. J. Electrochem. Soc. 164, A400–A406 (2017).
Nakayama, K., Ishikawa, R., Kobayashi, S., Shibata, N. & Ikuhara, Y. Dislocation and oxygen-release driven delithiation in Li2MnO3. Nat. Commun. 11, 4452 (2020).
Rana, J. et al. Structural changes in Li2MnO3 cathode material for Li‐ion batteries. Adv. Energy Mater. 4, 1300998 (2014).
Xiao, R., Li, H. & Chen, L. Density functional investigation on Li2MnO3. Chem. Mater. 24, 4242–4251 (2012).
Chen, H. & Islam, M. S. Lithium extraction mechanism in Li-rich Li2MnO3 involving oxygen hole formation and dimerization. Chem. Mater. 28, 6656–6663 (2016).
Li, L., Xie, Y., Maxey, E. & Harder, R. Methods for operando coherent X-ray diffraction of battery materials at the Advanced Photon Source. J. Synchrotron Radiat. 26, 220–229 (2019).
Robinson, I., Vartanyants, I., Williams, G., Pfeifer, M. & Pitney, J. Reconstruction of the shapes of gold nanocrystals using coherent X-ray diffraction. Phys. Rev. Lett. 87, 195505 (2001).
Maiti, S. et al. Understanding the role of alumina (Al2O3), pentalithium aluminate (Li5AlO4), and pentasodium aluminate (Na5AlO4) coatings on the Li and Mn-rich NCM cathode material 0.33Li2MnO3·0.67Li (Ni0.4Co0.2Mn0.4)O2 for enhanced electrochemical performance. Adv. Funct. Mater. 31, 2008083 (2021).
Li, J. et al. Structural origin of the high-voltage instability of lithium cobalt oxide. Nat. Nanotechnol. 16, 599–605 (2021).
Eum, D. et al. Voltage decay and redox asymmetry mitigation by reversible cation migration in lithium-rich layered oxide electrodes. Nat. Mater. 19, 419–427 (2020).
House, R. A. et al. First-cycle voltage hysteresis in Li-rich 3d cathodes associated with molecular O2 trapped in the bulk. Nat. Energy 5, 777–785 (2020).
Csernica, P. M. et al. Persistent and partially mobile oxygen vacancies in Li-rich layered oxides. Nat. Energy 642–652(2021).
Liu, H. et al. Unraveling the rapid performance decay of layered high-energy cathodes: from nanoscale degradation to drastic bulk evolution. ACS Nano 12, 2708–2718 (2018).
Boulineau, A., Simonin, L., Colin, J. F., Bourbon, C. & Patoux, S. First evidence of manganese-nickel segregation and densification upon cycling in Li-rich layered oxides for lithium batteries. Nano Lett. 13, 3857–3863 (2013).
Teufl, T., Strehle, B., Müller, P., Gasteiger, H. A. & Mendez, M. A. Oxygen release and surface degradation of Li- and Mn-rich layered oxides in variation of the Li2MnO3 content. J. Electrochem. Soc. 165, A2718–A2731 (2018).
Chen, Z., Li, J. & Zeng, X. C. Unraveling oxygen evolution in Li-rich oxides: a unified modeling of the intermediate peroxo/superoxo-like dimers. J. Am. Chem. Soc. 141, 10751–10759 (2019).
Wan, W., Sun, J., Su, J., Hovmöller, S. & Zou, X. Three-dimensional rotation electron diffraction: software RED for automated data collection and data processing. J. Appl. Crystallogr. 46, 1863–1873 (2013).
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