Protected transition metal hexacyanoferrate battery electrode

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United States of America Patent

PATENT NO 9246164
APP PUB NO 20130260260A1
SERIAL NO

13872673

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Abstract

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A protected transition metal hexacyanoferrate (TMHCF) battery cathode is presented, made from AxMyFez(CN)n.mH2O particles, where the A cations are either alkali or alkaline-earth cations, and M is a transition metal. In one aspect the cathode passivation layer may be materials such as oxides, simple salts, carbonaceous materials, or polymers that form a film overlying the AxMyFez(CN)n.mH2O particles. In another aspect, the cathode passivation layer is a material such as oxygen, nitrogen, sulfur, fluorine, chlorine, or iodine that interacts with the AxMyFez(CN)n.mH2O particles, to cure defects in the AxMyFez(CN)n.mH2O crystal lattice structure. Also presented are TMHCF battery synthesis methods.

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Patent Owner(s)

Patent OwnerAddress
SHARP KABUSHIKI KAISHASAKAI-KU SAKAI CITY OSAKA 590-8522

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Evans, David Beaverton, US 185 3694
Lee, Jong-Jan Camas, US 167 2838
Lu, Yuhao Vancouver, US 63 290

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