Evgeny Senokos

Interfacial Chemistry of Storage-Induced Degradation in High-Nickel Cathodes

Jun Li Pan, Abdullah Bin Faheem, Bixian Zhong, Yifan Xu et autres

Interfacial instability in electrochemical systems remains a fundamental challenge, particularly in high-nickel layered oxides where reactive surfaces drive parasitic chemistry even under near-equilibrium conditions. Here, we elucidate the chemical origins of storage-induced degradation in LiNi0.8Mn0.1Co0.1O2 cathodes, showing that electrolyte decomposition and interfacial …

de, sg, cn, jp (code pays fourni par la source)

Unravelling the Secret of Sulfur Confinement and High Sulfur Utilization in Hybrid Sulfur‐Carbons (Adv. Mater. 34/2026)

Tim Horner, Enis Oğuzhan Eren, Elif Begüm Yılmaz, Jiyong Kim et autres

Hybrid Sulfur-Carbons The cover image illustrates a collapsed, hierarchically porous carbon architecture that imposes both chemical and kinetic confinement on sulfur species in a sodium-sulfur composite cathode. Short sulfur chains are stabilized within interconnected pore compartments, where interfacial anchoring at carbon defect …

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Unravelling the Secret of Sulfur Confinement and High Sulfur Utilization in Hybrid Sulfur‐Carbons

Tim Horner, Enis Oğuzhan Eren, Elif Begüm Yılmaz, Jiyong Kim et autres

ABSTRACT Understanding sulfur confinement and chemical transformation in hybrid sulfur‐carbon materials is critical for advancing metal‐sulfur batteries. Here, we investigate the structural evolution of a sulfur‐rich polymer into a hybrid sulfur‐carbon via inverse vulcanization and thermal condensation. Multiscale analyses reveal a stepwise …

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Unravelling the Secret of Sulfur Confinement and High Sulfur Utilization in Hybrid Sulfur‐Carbons

Tim Horner, Enis Oğuzhan Eren, Elif Begüm Yılmaz, Jiyong Kim et autres

Understanding sulfur confinement and chemical transformation in hybrid sulfur‐carbon materials is critical for advancing metal‐sulfur batteries. Here, we investigate the structural evolution of a sulfur‐rich polymer into a hybrid sulfur‐carbon via inverse vulcanization and thermal condensation. Multiscale analyses reveal a stepwise transformation, …

CVD-grown tunable carbon films for high-performance sodium storage

Enis Oğuzhan Eren, Evgeny Senokos, Tim Horner, Leonardo Cancellara et autres

reversible plateau capacity. By enabling control over heteroatom composition, confinement, and electronic structure, this approach not only addresses the challenge of designing uniform and electronically continuous carbon coatings on highly porous substrates but also establishes a general route for designing functional carbon …

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Multiscale Anatomy of Sulfur Expansion in Na-S batteries

Tim Horner, Evgeny Senokos

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Laser-carbonized anodes for sodium-ion batteries: A sustainable fabrication route toward spatially resolved and practical energy storage

Sanghwa Moon, Enis Oğuzhan Eren, Jiyong Kim, Émeline Raguin et autres

Laser-induced carbonization of polymer films offers a rapid, scalable, and additive-free route to functional carbon materials. Here, a hierarchically structured hard carbon anode is developed by laser carbonizing 5-hydroxymethylfurfural (HMF)-based films under ambient conditions. Optimizing laser power yields a vertically graded architecture …

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Reductive Carbon Materials: Tailoring Chemistry and Electronic Properties to Improve Sodium‐Ion Batteries

Elif Begüm Yılmaz, Enis Oğuzhan Eren, Zihan Song, Yasaman Sheidaei et autres

The development of versatile strategies for preparing functional carbon materials is essential for advancing a wide range of applications in materials science. Precursor design plays a pivotal role in governing the chemistry and structure of carbon materials for target applications. In this …

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Reduktive Kohlenstoffmaterialien: Einstellung der chemischen und elektronischen Eigenschaften zur Verbesserung von Natrium‐Ionen‐Batterien

Elif Begüm Yılmaz, Enis Oğuzhan Eren, Zihan Song, Yasaman Sheidaei et autres

Abstract Die Entwicklung vielseitiger Strategien zur Herstellung funktioneller Kohlenstoffmaterialien ist entscheidend für den Fortschritt in einer Vielzahl von Anwendungen in der Materialwissenschaft. Das Design von Präkursoren spielt eine zentrale Rolle bei der Steuerung der Chemie und Struktur von Kohlenstoffmaterialien für spezifische Anwendungen. …

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An enhanced three-stage model for sodium storage in hard carbons

Enis Oğuzhan Eren, Evgeny Senokos, Ernesto Scoppola, Zihan Song et autres

characterization techniques, we propose a refined model of sodium storage in hard carbons. Our findings reveal a three-stage process: first, a fast-capacitive mechanism dominates in the slope region; second, a transition phase occurs at the early plateau, where faradaic processes become significant …

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Hard carbon from a sugar derivative for next-generation sodium-ion batteries

Enis Oğuzhan Eren, Evgeny Senokos, Zihan Song, Brinti Mondal et autres

Sodium-ion batteries have emerged as a promising secondary battery system due to the abundance of sodium resources. One of the boosters for accelerating the practical application of sodium-ion batteries is the innovation in anode materials. This study focuses on developing a high-performance …

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Sustainable Sulfur‐Carbon Hybrids for Efficient Sulfur Redox Conversions in Nanoconfined Spaces

Evgeny Senokos, Heather Au, Enis Oğuzhan Eren, Zihan Song et autres

Abstract Nanoconfinement is a promising strategy in chemistry enabling increased reaction rates, enhanced selectivity, and stabilized reactive species. Sulfur's abundance and highly reversible two‐electron transfer mechanism have fueled research on sulfur‐based electrochemical energy storage. However, the formation of soluble polysulfides, poor reaction …

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