SOLID ELECTROLYTE, LITHIUM BATTERY, BATTERY PACK, AND VEHICLE
FIG7 is a schematic diagram showing an electrode body manufactured by the manufacturing method shown in FIG6
According to the structure, the surface of the electrolyte layer 12 is formed so that the surfaces of the electrolyte layer 12, and the positive electrode layer 11 and the negative electrode layer 13 are closely adhered to each other along the irregularities on the surfaces of the positive electrode layer 11 and the negative electrode layer 13, such that there are nearly no gaps between the electrolyte layer 12 and the positive electrode layer 11, and between the electrolyte layer 12 and the negative electrode layer 13. In particular, as shown in FIG7, when the inorganic solid particles 121A, which are a part of the inorganic solid particles 121, are included deeply in the concave part of the negative electrode layer 13, conductivity is excellently provided through the inorganic solid particles 121A on the surface including the concave part of the negative electrode layer 13. In addition, when the electrolyte layer 12 includes, for example, the inorganic solid particles 121B which are hard particles as the solid electrolyte particles, the hard inorganic solid particles 121B impart structural strength to the electrolyte layer 12, thereby securing some extent of thickness in the electrolyte layer 12. Thus, short-circuiting due to the positive electrode layer 11 and the negative electrode layer 13 becoming directly and closely adhered with each other can be prevented.
schematic diagram
122
organic electrolyte
121
inorganic solid particles
12
electrolyte layer
11
positive electrode layer
123
composite electrolyte
13
negative electrode layer
['6. The lithium battery (20) according to claim 4 or 5, wherein at least one of the positive electrode layer (11), the negative electrode layer (13), and the Li conductive layer includes a composite electrolyte (123), the composite electrolyte (123) including the solid electrolyte and an organic electrolyte (122), a weight ratio of the organic electrolyte (122) in the composite electrolyte (123) being from 0.1% to 20%.']