Cathode Properties of Na_3MPO_4CO_3 (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 Na_3MPO_4CO_3 (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

Abstract

Na-ion batteries are considered as next-generation battery technology in light of the abundant and low cost of sodium. Carbonophosphate compounds of Na_3MPO_4CO_3 (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, Na_3CoPO_4CO_3 delivered a better initial capacity, 70 mAh/g. For Na_3NiPO_4CO_3, 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

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title = "Cathode Properties of Na_3MPO_4CO_3 (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 Na_3MPO_4CO_3 (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, Na_3CoPO_4CO_3 delivered a better initial capacity, 70 mAh/g. For Na_3NiPO_4CO_3, 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",

year = "2019",

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T1 - Cathode Properties of Na_3MPO_4CO_3 (M = Co/Ni) Prepared by a Hydrothermal Method for Na-ion Batteries

AU - Xie, Baowei

AU - Kitajou, Ayuko

AU - Okada, Shigeto

AU - Kobayashi, Wataru

AU - Okada, Masaki

AU - Takahara, Toshiya

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 Na_3MPO_4CO_3 (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, Na_3CoPO_4CO_3 delivered a better initial capacity, 70 mAh/g. For Na_3NiPO_4CO_3, 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 Na_3MPO_4CO_3 (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, Na_3CoPO_4CO_3 delivered a better initial capacity, 70 mAh/g. For Na_3NiPO_4CO_3, electrochemical performance was not improved even after high-speed ball milling.

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DO - 10.5109/2547345

M3 - Article

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SN - 2189-0420

IS - 4

ER -

Cathode Properties of Na_3MPO_4CO_3 (M = Co/Ni) Prepared by a Hydrothermal Method for Na-ion Batteries

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