DataVXACS Applied Materials & InterfacesPaper
journal article·2019-06-26

FeP/C Composites as an Anode Material for K-Ion Batteries

Wenting Li, Baijun Yan, Hongwei Fan, Chao Zhang, Hanying Xu, Xiaolu Cheng, Zelin Li, Guixiao Jia, Shengli An, Xinping Qiu

ACS Applied Materials & Interfaces· Volume 11· Issue 25
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Source abstract

Abstract

Owing to their natural abundance, the low potential, and the low cost of potassium, potassium-ion batteries are regarded as one of the alternatives to lithium-ion batteries. In this work, we successfully fabricated a FeP/C composite, a novel electrode material for PIBs, through a simple and productive high-energy ball-milling method. The electrode delivers a reversible capacity of 288.9 mA·h·g–1 (2nd) at a discharge rate of 50 mA g–1, which can meet the future energy storage requirements. Density functional theory calculations suggest a lower diffusion barrier energy of K+ than Na+, which allows faster K+ diffusion in FeP.
Source: openalex_inverted_index · Quality: baseline

Research context

Energy storageComposites

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

School of Metallurgical and Ecological Engineering, University of Science and Technology Beijing, Beijing 100083, China

Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing 100084, China

School of Materials and Metallurgy, Inner Mongolia University of Science and Technology, Baotou 014010, China

Funding

Ministry of Science and Technology of the People's Republic of China · National Natural Science Foundation of China · China-US Electric Vehicle Project · Beijing Municipal Commission of Science and Technology

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