Electrode current collector, all solid state battery, and method for producing electrode current collector
AssigneeToyota Jidosha Kabushiki Kaisha
InventorYuki MATSUSHITA
Life of this patent
Estimating the term…
Abstract
A main object of the present disclosure is to provide an electrode current collector in which the peel-off of a coating layer and an aluminum oxide layer is inhibited. The present disclosure achieves the object by providing an electrode current collector to be used in an all solid state battery, the electrode current collector comprising: a current collecting layer, an aluminum oxide layer, and a coating layer containing a conductive material, a resin, and an inorganic filler, in this order; and the current collecting layer has a porous structure on a surface of the aluminum oxide layer side.
Claims10
An electrode current collector to be used in an all solid state battery, the electrode current collector comprising:
- a current collecting layer, an aluminum oxide layer, and a coating layer containing a conductive material, a resin, and an inorganic filler, in this order;
- and
- the current collecting layer has a porous structure on a surface of the aluminum oxide layer side.
An electrode current collector to be used in an all solid state battery, the electrode current collector comprising:
- a current collecting layer, an aluminum oxide layer, and a coating layer containing a conductive material, a resin, and an inorganic filler, in this order;
- and
- a surface roughness Ra in the aluminum oxide layer side of the current collecting layer is 0.8 μm or more.
A method for producing an electrode current collector to be used in an all solid state battery, the method comprising:
- an aluminum oxide layer forming step of forming an aluminum oxide layer on one surface side of a current collecting layer;
- and
- a coating layer forming step of forming a coating layer containing a conductive material, a resin, and an inorganic filler, on one surface side of the aluminum oxide layer;
- and
- the current collecting layer has a porous structure on a surface of the aluminum oxide layer side.
A method for producing an electrode current collector to be used in an all solid state battery, the method comprising:
- an aluminum oxide layer forming step of forming an aluminum oxide layer on one surface side of a current collecting layer;
- and
- a coating layer forming step of forming a coating layer containing a conductive material, a resin, and an inorganic filler, on one surface side of the aluminum oxide layer;
- and
- a surface roughness Ra in the aluminum oxide layer side of the current collecting layer is 0.8 μm or more.
Dependencies are inferred from the claim text.