The conductive particle layer contains {HEAD ~ pores} having a pore size of 50 nm or more in a total volume of 50% or more based on {TAIL ~ the volume} of all pores in the conductive particle layer 
The conductive particle layer contains { HEAD ~ pores } having a pore size of 50 nm or more in a total volume of 50 % or more based on { TAIL ~ the volume } of all pores in the conductive particle layer
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH