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C-Na3V1.96Fe0.04(PO4)(3)/Fe2P nanoclusters with stable charge-transfer interface for high-power sodium ion batteriesC-Na3V1.96Fe0.04(PO4)3/Fe2P nanoclusters with stable charge-transfer interface for high-power sodium ion batteries
- Other Titles
- C-Na3V1.96Fe0.04(PO4)3/Fe2P nanoclusters with stable charge-transfer interface for high-power sodium ion batteries
- Authors
- Park, Sohyun; Park, Woong; Soundharrajan, Vaiyapuri; Mathew, Vinod; Hwang, Jang Yeon; Kim, Jaekook
- Issue Date
- Jan-2021
- Publisher
- ELSEVIER SCIENCE SA
- Keywords
- Sodium ion batteries; Metal phosphide; Nanocomposite; Na3V2(PO4)(3); Fe2P
- Citation
- CHEMICAL ENGINEERING JOURNAL, v.404
- Indexed
- SCIE
SCOPUS
- Journal Title
- CHEMICAL ENGINEERING JOURNAL
- Volume
- 404
- ISSN
- 1385-8947
- Abstract
- In this study, we synthesize a carbon-coated Na3V1.96Fe0.04(PO4)(3)-Fe2P composite (NVFP-FP/C) as a cathode material using a one-pot pyro-synthesis method and demonstrate its superior sodium storage performance for sodium-ion batteries. The Na3V1.96Fe0.04(PO4)(3)-Fe2P composite consists of unique nanoclusters of electrically conductive ultra-fine Fe2P crystals randomly dispersed among the NVP particles. The presence of Fe2P in the composite cathode greatly enhances its electronic conductivity and Na+-ion diffusion co-efficient; hence, the NVFP-FP/C cathode exhibits a high discharge capacity of 103.2 mAh g(-1) at 0.1C, remarkable long term cycling stability over 2000 cycles at 20C and excellent power capability up to 40C.
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Collections - 서울 공과대학 > 서울 에너지공학과 > 1. Journal Articles
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Related Researcher
- Hwang, Jang Yeon
- COLLEGE OF ENGINEERING (DEPARTMENT OF ENERGY ENGINEERING)