Battery electrode, method for making the same and hybrid energy storage device using the same
AssigneesTsinghua University, Hon Hai Precision Industry Co., Ltd.
InventorsDa-Tao Wang, Li Sun, Ke Wang, Jia-Ping Wang, Shou-Shan Fan
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Abstract
The present invention relates to a battery electrode. The battery electrode comprises a plurality of carbon nanotubes and a plurality of transition metal oxide nanoparticles. The plurality of transition metal oxide nanoparticles are chemically bonded to the plurality of carbon nanotubes through carbon-oxygen-metal (C—O-M) linkages, wherein the metal being a transition metal element. The present invention also relates a method for making the battery electrode and a hybrid energy storage device using the battery electrode.
Claims14
A battery electrode, comprising:
- a plurality of carbon nanotubes, a plurality of transition metal oxide nanoparticles, structural water, and potassium ions;
- wherein the plurality of transition metal oxide nanoparticles are chemically bonded to the plurality of carbon nanotubes through carbon-oxygen-metal (C—O-M) linkages, and the metal is a transition metal element, wherein surfaces of the plurality of carbon nanotubes define a plurality of pores, and the potassium ions are incorporated into an interlayer region of the plurality of transition metal oxide nanoparticles.
A hybrid energy storage device, comprising:
- a battery electrode comprising a plurality of carbon nanotubes, a plurality of transition metal oxide nanoparticles, structural water, and potassium ions;
- wherein the plurality of transition metal oxide nanoparticles are chemically bonded to the plurality of carbon nanotubes through carbon-oxygen-metal (C—O-M) linkages, the potassium ions is incorporated into an interlayer region of the plurality of transition metal oxide nanoparticles, and the metal being a transition metal element.
Dependencies are inferred from the claim text.