MOF-Derived CoOx–CeO2−y/C Heterojunction Synergistically Promotes the Deposition and Decomposition of Li2S in Lithium–Sulfur Batteries DOI Creative Commons
Ke Jia, Yanan Zhang, Rui Zuo

et al.

Transactions of Tianjin University, Journal Year: 2025, Volume and Issue: unknown

Published: May 9, 2025

Language: Английский

Tailoring Polysulfide Interaction with Balanced d‐Band Center via In Situ Construction of Atomically Dispersed Zr–Ox Sites in Mn2O3/β‐MnO2 Heterostructure for Li–S Batteries DOI Open Access
Junhyuk Ji, Sung Min Kim, Sung Wook Won

et al.

Small, Journal Year: 2025, Volume and Issue: unknown

Published: March 27, 2025

Although noteworthy research focuses on heterostructured catalysts for efficient polysulfide adsorption in lithium-sulfur (Li-S) batteries, the strategy maximized electrocatalytic activity is less investigated. Herein, Mn2O3/β-MnO2 heterostructure electrocatalyst engineered via situ regulation of atomically dispersed Zr4+ sites form Zr-Ox coordinated-structure as a highly stable freestanding cathode. The fine-tuned can adjust inducing reduced overpotential, improved Li+ mobility, and boosted redox kinetics. Their achievements are synergistically derived from inhibition migration, utilization 3D Li2S nucleation mechanism, modification d-band center electrocatalysts, resulting crack-free anode-protection, diffusion-favorable deposition, sustainable sulfur-reactions. Eventually, Zr0.1-Mn2O3/β-MnO2@MWCNT cathode demonstrates high initial capacity 808 mAh g-1 with low average decay rate 0.068% over 1000 cycles at 1 C, even along an impressive cyclic stability 5 C showing up to 559.3 only 0.170% 200 cycles. Noteworthy, electrocatalyst-applied cell achieves areal half-/full-cell (N/P: 2.86) 4.45/3.88 cm-2 61.7/70.1% retention 110/50 under 4.6/5.4 mg sulfur loading electrolyte 8 µL mgsulfur -1. This highlights new perspective design high-performance Li-S batteries.

Language: Английский

Citations

1
Self-Reconstruction of ultralow-Pt-loading Co3O4 nanoneedle array cathode for high-performance Li-O2 battery DOI
Yong Liu,

Mingjun Han,

Jianye Liu

et al.

Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: unknown, P. 162420 - 162420

Published: April 1, 2025

Language: Английский

Citations

0
MOF-Derived CoOx–CeO2−y/C Heterojunction Synergistically Promotes the Deposition and Decomposition of Li2S in Lithium–Sulfur Batteries DOI Creative Commons
Ke Jia, Yanan Zhang, Rui Zuo

et al.

Transactions of Tianjin University, Journal Year: 2025, Volume and Issue: unknown

Published: May 9, 2025

Language: Английский

Citations

0