{HEAD ~ The conductive particle layer} contains 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 
{ HEAD ~ The conductive particle layer } contains 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
HEAD HEAD HEAD 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 OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH