Electrode complex, method of producing electrode complex, and lithium battery
AssigneeSeiko Epson Corporation
InventorsTsutomu Teraoka, Tomofumi Yokoyama
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Abstract
An electrode complex includes: a complex which includes a porous active material molded body which is formed by being three-dimensionally connected with a plurality of particulate active material particles containing a lithium double oxide and a plurality of particulate noble metal particles containing a noble metal with a melting point of 1000° C. or higher and includes a communication hole, and a solid electrolyte layer formed on the surface of the active material molded body containing the communication hole of the active material molded body; and a current collector which is provided by being bonded to the active material molded body on one surface of the complex.
Claims18
An electrode complex comprising:
- a comprising (i) a porous active material molded body including active material particles and noble metal particles, and (ii) a solid electrolyte layer formed on a surface of the active material molded body;
- and
- a current collector bonded to an active material molded particle exposed on a surface of the complex,
- wherein the active material particles include a lithium double oxide,
- the noble metal particles include a noble metal having a melting point of 1000° C. or higher, and the solid electrolyte layer includes a solid electrolyte, and
- a content of the noble metal particles in the active material molded body is in a range of 0.1% by weight to 10% by weight,
- wherein the active material molded body has a porosity in a range of 10% to 50%.
An electrode complex comprising:
- a porous active material molded body including active material particles and noble metal particles;
- and
- an electrolyte layer formed on a surface of the active material molded body,
- wherein the active material particles include a lithium double oxide,
- the noble metal particles include a noble metal having a melting point of 1000° C. or higher, and
- the electrolyte layer includes a first electrolyte that is formed on the surface of the active material molded body and a second electrolyte that is filled in a gap between the active material molded body and the first electrolyte, the second electrolyte including an amorphous electrolyte,
- a content of the noble metal particles in the active material molded body is in a range of 0.1% by weight to 10% by weight,
- wherein the active material molded body has a porosity in a range of 10% to 50%.
An electrode complex comprising:
- a porous active material molded body including active material particles and noble metal particles;
- an electrolyte layer formed on a surface of the active material molded body;
- and
- an electrolytic solution impregnation layer formed on a surface of the electrolyte layer,
- wherein the active material particles include a lithium double oxide,
- the noble metal particles include a noble metal having a melting point of 1000° C. or higher, and
- the electrolyte layer includes a solid electrolyte that is formed on the surface of the active material molded body and an electrolytic solution that is filled in a gap between the active material molded body and the solid electrolyte,
- a content of the noble metal particles in the active material molded body is in a range of 0.1% by weight to 10% by weight,
- wherein the active material molded body has a porosity in a range of 10% to 50%.
A method of producing an electrode complex, comprising:
- heating active material particles which contain a lithium double oxide and noble metal particles which contain a noble metal having a melting point of 1000° C. or higher to obtain a porous active material molded body to which a plurality of the active material particles and a plurality of the noble metal particles are connected;
- applying and then heating a liquid material which contains a forming material of an inorganic solid electrolyte to obtain a complex in which a solid electrolyte layer is formed on the surface of the active material molded body;
- and
- bonding a current collector to the active material molded body exposed to the surface of the complex,
- wherein a content of the noble metal particles in the active material molded body is in a range of 0.1% by weight to 10% by weight,
- wherein the active material molded body has a porosity in a range of 10% to 50%.
Dependencies are inferred from the claim text.