The prior art acknowledges that {HEAD ~ at least some areas} of the active material do not participate in the charge/discharge cycling of {TAIL ~ the battery} 
The prior art acknowledges that { HEAD ~ at least some areas } of the active material do not participate in the charge / discharge cycling of { TAIL ~ the battery }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL