Manganese oxide with a card-house-like structure reassembled from nanosheets for rechargeable Li-air battery

Shintaro Ida; Arjun Kumar Thapa; Yuiko Hidaka; Yohei Okamoto; Maki Matsuka; Hidehisa Hagiwara; Tatsumi Ishihara

doi:10.1016/j.jpowsour.2011.11.042

Manganese oxide with a card-house-like structure reassembled from nanosheets for rechargeable Li-air battery

Shintaro Ida, Arjun Kumar Thapa, Yuiko Hidaka, Yohei Okamoto, Maki Matsuka, Hidehisa Hagiwara, Tatsumi Ishihara

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

66 Citations (Scopus)

Abstract

Li-air batteries have attracted attention as a next generation secondary battery because of their potentials such as a high theoretical specific energy density. One of the main issues for the Li-air batteries is the development of a cathode oxygen electrode with high capacity and charge-discharge cycle stability. Here we report a manganese oxide with a card-house-like structure for the cathode oxygen electrode. The manganese oxide was synthesized by reassembling two-dimensional manganese oxide nanosheets. The cathode electrode containing the manganese oxide exhibited high catalytic activity for Li ⁺/Li ₂O _x (x = 1, 2) redox reactions, and its discharge capacity was 1300-1500 mAh g ^-1 catalyst, which was higher than that of Li-air batteries using electrolytic MnO ₂ as catalysts.

Original language	English
Pages (from-to)	159-164
Number of pages	6
Journal	Journal of Power Sources
Volume	203
DOIs	https://doi.org/10.1016/j.jpowsour.2011.11.042
Publication status	Published - Apr 1 2012

All Science Journal Classification (ASJC) codes

Renewable Energy, Sustainability and the Environment
Energy Engineering and Power Technology
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jpowsour.2011.11.042

Cite this

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abstract = "Li-air batteries have attracted attention as a next generation secondary battery because of their potentials such as a high theoretical specific energy density. One of the main issues for the Li-air batteries is the development of a cathode oxygen electrode with high capacity and charge-discharge cycle stability. Here we report a manganese oxide with a card-house-like structure for the cathode oxygen electrode. The manganese oxide was synthesized by reassembling two-dimensional manganese oxide nanosheets. The cathode electrode containing the manganese oxide exhibited high catalytic activity for Li +/Li 2O x (x = 1, 2) redox reactions, and its discharge capacity was 1300-1500 mAh g -1 catalyst, which was higher than that of Li-air batteries using electrolytic MnO 2 as catalysts.",

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AU - Ida, Shintaro

AU - Thapa, Arjun Kumar

AU - Hidaka, Yuiko

AU - Okamoto, Yohei

AU - Matsuka, Maki

AU - Hagiwara, Hidehisa

AU - Ishihara, Tatsumi

PY - 2012/4/1

Y1 - 2012/4/1

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AB - Li-air batteries have attracted attention as a next generation secondary battery because of their potentials such as a high theoretical specific energy density. One of the main issues for the Li-air batteries is the development of a cathode oxygen electrode with high capacity and charge-discharge cycle stability. Here we report a manganese oxide with a card-house-like structure for the cathode oxygen electrode. The manganese oxide was synthesized by reassembling two-dimensional manganese oxide nanosheets. The cathode electrode containing the manganese oxide exhibited high catalytic activity for Li +/Li 2O x (x = 1, 2) redox reactions, and its discharge capacity was 1300-1500 mAh g -1 catalyst, which was higher than that of Li-air batteries using electrolytic MnO 2 as catalysts.

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Manganese oxide with a card-house-like structure reassembled from nanosheets for rechargeable Li-air battery

Abstract

All Science Journal Classification (ASJC) codes

UN SDGs

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