DataVXAdvanced MaterialsPaper
journal article·2025-02Open access

Toward Fast‐Charging and Dendritic‐Free Li Growth on Natural Graphite Through Intercalation/Conversion on MoS2 Nanosheets

Joo Hyeong Suh, Sang A Han, Soo Young Yang, Jun Won Lee, Yusuke Shimada, Sang‐Min Lee, Jong‐Won Lee, Min‐Sik Park, Jung Ho Kim

Advanced Materials· Volume 37· Issue 7
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Source abstract

Abstract

Abstract During fast‐charging, uneven lithium plating on the surface of commercial graphite anode impedes the electrochemical performance of lithium‐ion batteries, causing a safety issue. The formation of a passivation layer, the solid‐electrolyte interphase (SEI), due to side reactions with the organic electrolyte, correlates with long‐term cycling performance under fast‐charging conditions, necessitating comprehensive analysis. Herein, it is demonstrated that a molybdenum disulfide (MoS2) coating on natural graphite (NG) modulates the properties of the SEI layer, enabling reduction of the charging time and the enhancement of long‐term cycling performance. MoS2 spontaneously transforms into Li2S and Mo nanoclusters through intercalation and conversion with Li+, altering the chemical composition and stability of the SEI layer on the NG, promoting faster Li+ transport, and reducing interfacial resistance. The MoS2‐NG anode shows improved fast‐charging capability and cycling performance under 3.0 C‐charging and 1.0 C‐discharging over 300 cycles without compromising energy density. In the full‐cell configuration, a charging time of 14.7 min at 80% state of charge is achieved, making it suitable for electric vehicle applications.
Source: crossref · Quality: baseline

Research context

Energy storageNanomaterials

OpenAlex topics: Advancements in Battery Materials · Advanced Battery Materials and Technologies · Advanced Battery Technologies Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Department of Advanced Materials Engineering for Information and Electronics Integrated Education Institute for Frontier Science & Technology (BK21 Four) Kyung Hee University 1732 Deogyeong‐daero, Giheung‐gu Yongin 17104 Republic of Korea

Institute for Superconducting & Electronic Materials (ISEM) Faculty of Engineering and Information Sciences University of Wollongong Innovation Campus, Squires Way North Wollongong NSW 2500 Australia

Division of Materials Science and Engineering Hanyang University 222 Wangsimni‐ro, Seongdong‐gu Seoul 04763 Republic of Korea

Department of Advanced Materials Science and Engineering Faculty of Engineering Sciences Kyushu University 744 Motooka, Nishi‐ku Fukuoka 819‐0395 Japan

Graduate Institute of Ferrous & Energy Materials Technology (GIFT) Pohang University of Science and Technology 77 Cheongam‐Ro, Nam‐Gu Pohang Gyeongbuk 37673 Republic of Korea

Funding

National Research Foundation · Ministry of Science and ICT, South Korea

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