Cathode properties of Na3MPO4CO3 (M = Co/Ni) prepared by a hydrothermal method for Na-ion batteries

Baowei Xie; Ayuko Kitajou; Shigeto Okada; Wataru Kobayashi; Masaki Okada; Toshiya Takahara

doi:10.5109/2547345

Cathode properties of Na₃MPO₄CO₃ (M = Co/Ni) prepared by a hydrothermal method for Na-ion batteries

Baowei Xie, Ayuko Kitajou, Shigeto Okada, Wataru Kobayashi, Masaki Okada, Toshiya Takahara

Department of Advanced Device Materials

Research output: Contribution to journal › Article › peer-review

7 Citations (Scopus)

Abstract

Na-ion batteries are considered as next-generation battery technology in light of the abundant and low cost of sodium. Carbonophosphate compounds of Na₃MPO₄CO₃ (M = Co/Ni) with a large theoretical capacity of 191 mAh/g were successfully synthesized by the hydrothermal method and their cathode properties were evaluated in Na-ion batteries for the first time. After high-speed ball milling with acetylene black at 400 rpm for 4 h, Na₃CoPO₄CO₃ delivered a better initial capacity, 70 mAh/g. For Na₃NiPO₄CO₃, electrochemical performance was not improved even after high-speed ball milling.

Original language	English
Pages (from-to)	262-266
Number of pages	5
Journal	Evergreen
Volume	6
Issue number	4
DOIs	https://doi.org/10.5109/2547345
Publication status	Published - Dec 2019

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Surfaces, Coatings and Films
Management, Monitoring, Policy and Law

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title = "Cathode properties of Na3MPO4CO3 (M = Co/Ni) prepared by a hydrothermal method for Na-ion batteries",

abstract = "Na-ion batteries are considered as next-generation battery technology in light of the abundant and low cost of sodium. Carbonophosphate compounds of Na3MPO4CO3 (M = Co/Ni) with a large theoretical capacity of 191 mAh/g were successfully synthesized by the hydrothermal method and their cathode properties were evaluated in Na-ion batteries for the first time. After high-speed ball milling with acetylene black at 400 rpm for 4 h, Na3CoPO4CO3 delivered a better initial capacity, 70 mAh/g. For Na3NiPO4CO3, electrochemical performance was not improved even after high-speed ball milling.",

author = "Baowei Xie and Ayuko Kitajou and Shigeto Okada and Wataru Kobayashi and Masaki Okada and Toshiya Takahara",

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AU - Xie, Baowei

AU - Kitajou, Ayuko

AU - Okada, Shigeto

AU - Kobayashi, Wataru

AU - Okada, Masaki

AU - Takahara, Toshiya

N1 - Funding Information: This work was financially supported by the Elements Strategy Initiative for Catalysts and Batteries Project of MEXT, Japan. Publisher Copyright: © 2019, Novel Carbon Resource Sciences. All rights reserved.

PY - 2019/12

Y1 - 2019/12

N2 - Na-ion batteries are considered as next-generation battery technology in light of the abundant and low cost of sodium. Carbonophosphate compounds of Na3MPO4CO3 (M = Co/Ni) with a large theoretical capacity of 191 mAh/g were successfully synthesized by the hydrothermal method and their cathode properties were evaluated in Na-ion batteries for the first time. After high-speed ball milling with acetylene black at 400 rpm for 4 h, Na3CoPO4CO3 delivered a better initial capacity, 70 mAh/g. For Na3NiPO4CO3, electrochemical performance was not improved even after high-speed ball milling.

AB - Na-ion batteries are considered as next-generation battery technology in light of the abundant and low cost of sodium. Carbonophosphate compounds of Na3MPO4CO3 (M = Co/Ni) with a large theoretical capacity of 191 mAh/g were successfully synthesized by the hydrothermal method and their cathode properties were evaluated in Na-ion batteries for the first time. After high-speed ball milling with acetylene black at 400 rpm for 4 h, Na3CoPO4CO3 delivered a better initial capacity, 70 mAh/g. For Na3NiPO4CO3, electrochemical performance was not improved even after high-speed ball milling.

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Cathode properties of Na₃MPO₄CO₃ (M = Co/Ni) prepared by a hydrothermal method for Na-ion batteries

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