fig5
From: Direct regeneration of degraded Ni-rich cathodes: coupled ion and electron transport perspectives
Figure 5. Particle-scale regeneration strategies for spent NCM cathodes. (A) Citric acid treatment selectively removes the surface rock-salt phase to recover spent cathodes[71]. Copyright 2025, Wiley-VCH. (B) The spandex-based binder (SPDX) forms a conformal coating on NCM particle surfaces, enhancing interfacial adhesion and improving cycling stability[53]. Copyright 2020, Wiley-VCH. (C) Molecular Layer Deposition (MLD) enabling enables the construction of multifunctional coatings on Ni94 cathodes[95]. Copyright 2024, Royal Society of Chemistry. NCM: LiNixCoyMn1-x-yO2; CEI: cathode-electrolyte interphase.
