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Ramesha, K; Radhakrishnan, Ashalatha; Jiayaspathi, Ashwini; Padickaparambal, Sebastian; Alexander, Aley; Unnikrishnan, Janardhanan P.; Sarma, P. S.; Radhakrishnan, Kurupath

doi:10.1037/t21853-000

Cited by 1 publication

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“…Doping and cationic substitution of transition metals is one of the most widely explored approaches in improving the structural stability of the cathode materials. As such, the effect of the monovalent cations such as K and Na, divalent ion dopants such as Mg and Zn, trivalent Fe, Al and Au dopants, and tetravalent cations such as Ti and Ru have been studied on the structural stability of various cathode materials. It has been demonstrated that dopants with various valence groups can affect the structure and the properties of the cathode materials in different ways.…”

Section: Strategies To Improve the Structural Stability Of The Cathodesmentioning

confidence: 99%

Oxygen Release Degradation in Li‐Ion Battery Cathode Materials: Mechanisms and Mitigating Approaches

Sharifi‐Asl

Lü

Amine

et al. 2019

Advanced Energy Materials

351

233

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Widespread application of Li‐ion batteries (LIBs) in large‐scale transportation and grid storage systems requires highly stable and safe performance of the batteries in prolonged and diverse service conditions. Oxygen release from oxygen‐containing positive electrode materials is one of the major structural degradations resulting in rapid capacity/voltage fading of the battery and triggering the parasitic thermal runaway events. Herein, the authors summarize the recent progress in understanding the mechanisms of the oxygen release phenomena and correlative structural degradations observed in four major groups of cathode materials: layered, spinel, olivine, and Li‐rich cathodes. In addition, the engineering and materials design approaches that improve the structural integrity of the cathode materials and minimize the detrimental O2 evolution reaction are summarized. The authors believe that this review can guide researchers on developing mitigation strategies for the design of next‐generation oxygen‐containing cathode materials where the oxygen release is no longer a major degradation issue.

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Section: Strategies To Improve the Structural Stability Of The Cathodesmentioning

confidence: 99%