JP2011253789A5

JP2011253789A5 -

Info

Publication number: JP2011253789A5
Application number: JP2010128796A
Authority: JP
Filing date: 2010-06-04
Publication date: 2013-08-29

Description

請求項１に記載の発明は、金属空気電池であって、金属を含む負極と、導電性を有するペロブスカイト型酸化物、および、酸素還元反応を促進する触媒を含むとともに炭素を含まない多孔質の正極と、前記負極と前記正極との間に配置されて前記負極に接する非水系の電解質層とを備える。 Invention of claim 1, a metal-air battery, do not contain metal and including negative electrode, the perovskite type oxide having conductivity, and a carbon with contain a catalyst that promotes oxygen reduction reaction porosity And a non-aqueous electrolyte layer disposed between the negative electrode and the positive electrode and in contact with the negative electrode.

請求項２に記載の発明は、請求項１に記載の金属空気電池であって、前記正極が、ランタン系の前記ペロブスカイト型酸化物を含む。 According to a second aspect of the invention, a metal-air battery according to claim 1, wherein the positive electrode comprises said perovskite oxide lanthanum.

Claims

A metal-air battery,
And including the negative electrode metal,
A perovskite oxide having conductivity, a porous positive electrode containing no catalyst and containing a catalyst for promoting an oxygen reduction reaction;
A non-aqueous electrolyte layer disposed between the negative electrode and the positive electrode and in contact with the negative electrode;
A metal-air battery comprising:

The metal-air battery according to claim 1,
The positive electrode is a metal air battery which comprises the perovskite oxide lanthanum.

The metal-air battery according to claim 1 or 2,
The metal-air battery, wherein the metal contained in the negative electrode is lithium.

The metal-air battery according to any one of claims 1 to 3,
The positive electrode is
A support part;
A conductive film formed of the perovskite oxide on the support;
A catalyst layer formed by the catalyst on the conductive film;
A metal-air battery comprising:

The metal-air battery according to any one of claims 1 to 4,
Another electrolyte layer disposed between the electrolyte layer and the positive electrode and in contact with the positive electrode;
A partition layer disposed between the electrolyte layer and the another electrolyte layer and being a solid electrolyte or separator in contact with the electrolyte layer and the other electrolyte layer;
A metal-air battery, further comprising:

The metal-air battery according to claim 5,
The partition layer is a membrane-shaped solid electrolyte,
The metal-air battery, wherein the electrolyte layer is a porous polymer impregnated with a non-aqueous electrolyte solution and supports the partition wall layer.

The metal-air battery according to any one of claims 1 to 6,
A metal-air battery, characterized in that the negative electrode is disposed on the outer periphery and the positive electrode is disposed on the inner periphery.

The metal-air battery according to any one of claims 1 to 7,
The metal-air battery, wherein the electrolyte layer is formed of an electrolyte solution, and the electrolyte solution contains inorganic fine particles.

The metal-air battery according to any one of claims 1 to 8,
The metal-air battery, wherein the electrolyte layer is formed of an electrolyte solution, and the electrolyte layer is connected to a mechanism for circulating the electrolyte solution.

The metal-air battery according to any one of claims 1 to 9,
A metal-air battery, further comprising a gas supply unit that supplies air from which moisture and carbon dioxide have been removed to the positive electrode.