DataVXACS Energy LettersPaper
journal article·2019-10-11

Electrochemical Interaction of Sn-Containing MAX Phase (Nb2SnC) with Li-Ions

Shuangshuang Zhao, Yohan Dall’Agnese, Xuefeng Chu, Xin Zhao, Yury Gogotsi, Yu Gao

ACS Energy Letters· Volume 4· Issue 10
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Source abstract

Abstract

In this Letter, we report on the interaction of Nb2SnC ternary transition metal carbide (MAX phase) with Li ions. Because of the presence of Sn layers, which can undergo alloying reaction with Li, this material may be promising for energy storage. Contrary to most electrodes, the performance of this material improves along with the cycle number; specifically, the capacity increases gradually from 87 to 150 mAh g–1 at a current density of 500 mA g–1 during 600 charge/discharge cycles. Postcycling study suggests that the alloying reaction makes the material break into smaller particles, increasing capacity. Because Nb2SnC is just one of many MAX phases, this work lays the foundation for exploration of the MAX phases in lithium-ion or other batteries.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storageMetals & alloys

OpenAlex topics: MXene and MAX Phase Materials · Advancements in Battery Materials · Advanced Memory and Neural Computing

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

Affiliations

Key Laboratory of Physics and Technology for Advanced Batteries (Ministry of Education), College of Physics, Jilin University, Changchun 130012, People’s Republic of China

Institute for Materials Discovery, University College London, London WC1E 7JE, United Kingdom

Comprehensive Energy Saving, School of Electrical and Electronic Information Engineering, Jilin Jianzhu University, Changchun 130118, China

A. J. Drexel Nanomaterials Institute, and Department of Materials Science and Engineering, Drexel University, Philadelphia, Pennsylvania 19104, United States

Funding

People's Government of Jilin Province · Jilin University · Department of Science and Technology of Jilin Province

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