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US 2023/0411634 A1Published application
Metal Air Battery and Manufacturing Method of Air Electrode
AssigneeNippon Telegraph and Telephone Corporation
InventorsMikayo Iwata, Masaya Nohara, Hiroaki Taguchi, Takeshi Komatsu
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Abstract
A metal-air battery includes: an air electrode; a negative electrode containing a metal; and an electrolyte having ion conductivity. The air electrode includes: a co-continuous body having a three-dimensional network structure in which a plurality of nanostructures is split and integrated; and mesoporous carbon supported on the co-continuous body.
Claims6
A metal-air battery comprising:
- an air electrode;
- a negative electrode containing a metal;
- and
- an electrolyte having ion conductivity,
- wherein the air electrode includes:
- a co-continuous body having a three-dimensional network structure in which a plurality of nanostructures is split and integrated;
- and mesoporous carbon supported on the co-continuous body.
4 more elements
A method for manufacturing an air electrode of a metal-air battery, the method comprising:
- a synthesizing step of synthesizing mesoporous carbon;
- a producing step of producing a sol or gel in which the mesoporous carbon and a plurality of nanostructures are dispersed;
- a freezing step of freezing the sol or gel, to obtain a frozen material;
- and
- a drying step of drying the frozen material in vacuum, to obtain a co-continuous body having a three-dimensional network structure, the mesoporous carbon being supported on the co-continuous body, the plurality of nanostructures being split and integrated in the co-continuous body.
2 more elements
A method for manufacturing an air electrode of a metal-air battery, the method comprising:
- a precursor synthesizing step of causing mesoporous silica as a template to react with an organic compound, to obtain a precursor of mesoporous carbon;
- a producing step of producing a sol or gel in which the precursor and a plurality of nanostructures are dispersed;
- a freezing step of freezing the sol or gel, to obtain a frozen material;
- a drying step of drying the frozen material in vacuum, to obtain a co-continuous body having a three-dimensional network structure, the precursor being supported on the co-continuous body, the plurality of nanostructures being split and integrated in the co-continuous body;
- a carbonizing step of heating the co-continuous body in an inert gas atmosphere, to carbonize the precursor supported on the co-continuous body;
- and
- a synthesizing step of performing etching on the carbonized precursor, to remove the mesoporous silica of the precursor, and synthesizing the mesoporous carbon.
4 more elements
Dependencies are inferred from the claim text.