2023
DOI: 10.1016/j.mattod.2023.07.024
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Challenges of thermal stability of high-energy layered oxide cathode materials for lithium-ion batteries: A review

Zicen Deng,
Yan Liu,
Li Wang
et al.
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Cited by 27 publications
(6 citation statements)
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“…Meanwhile, the Jahn-Teller (J-T) effect of Ni 3+ ions accelerates Ni ion dissolution into the electrolyte, which leads to cathode electrode degradation at the surface, cationic mixing, and phase transition. 52,53 The amount of dissolved transition metal ions can be used as an indication of the role of CEI film in protecting the cathode electrode. 38 In this study, the synthetic LiF-rich robust CEI layer can significantly reduce the dissolution of transition metal ions, as demonstrated by ICP-MS (Figs.…”
Section: Resultsmentioning
confidence: 99%
“…Meanwhile, the Jahn-Teller (J-T) effect of Ni 3+ ions accelerates Ni ion dissolution into the electrolyte, which leads to cathode electrode degradation at the surface, cationic mixing, and phase transition. 52,53 The amount of dissolved transition metal ions can be used as an indication of the role of CEI film in protecting the cathode electrode. 38 In this study, the synthetic LiF-rich robust CEI layer can significantly reduce the dissolution of transition metal ions, as demonstrated by ICP-MS (Figs.…”
Section: Resultsmentioning
confidence: 99%
“…According to the C 1s fine XPS spectra of NM90 and NM90-1%AB materials, the integral area ratio of CO 3 2– in NM90-1%AB materials is smaller, confirming the reduction in Li 2 CO 3 on the surface. The lower harmful residual alkali on the surface of NM90-1%AB material can effectively reduce the release of CO 2 and O 2 during the cycles, thereby reducing the deterioration of electrochemical performance and catastrophic thermal runaway Figure d shows the fine XPS spectra of B 1s of NM90-1%AB material, with the characteristic peaks at binding energies of 191.7 and 192.7 eV corresponding to LiBO 2 and B 2 O 3 , respectively. , It is noteworthy that the fitting results indicate a very low content of B 2 O 3 .…”
Section: Resultsmentioning
confidence: 99%
“…11 During the cycling process, the residual alkalis will release CO 2 and O 2 , which can lead to potential safety issues such as deterioration of electrochemical performance, catastrophic thermal runaway, and even explosion. 12 It should also be noted that the highly active Ni 4+ in the highly charged state will lead to decomposition of the electrolyte. The HF generated by the side reaction of H 2 O and LiPF 6 will corrode the surface/interface of the materials.…”
Section: ■ Introductionmentioning
confidence: 99%
“…Since layered oxide cathodes exhibit the advantages of high energy density in the case of SIBs and LIBs, they are always considered promising cathodes for constructing high-performance potassium ion full cells. 40–44 Many detailed review publications have been made on layered PIB cathodes and carbon-based anodes, but many new research publications bring many innovative perspectives. In this review, we first summarize the developed promising layered oxide cathodes and their potassium intercalation/deintercalation mechanisms, followed by a special emphasis on full-cell performance.…”
Section: Introductionmentioning
confidence: 99%