Pulse-Current Electrodeposition for Loading Active Material on Nickel Electrodes for Rechargeable Batteries
Table 1
Main characteristics of Ni(OH)2 electrodes.
Electrode/pulse (sec : sec)
Theoretical capacity (mAh)
Discharge capacity (mAh)
Specific capacity (mAhg−1)
Utilization (%)
Loading (gcm−3)
CP1 (on: 180/off: 90)
188.7
135.1
206.9
71.6
1.74
CP2 (on: 90/off: 45)
167.1
174.1
291.3
104.2
1.66
CP3 (on: 12/off: 6)
202.9
203.2
289.2
100.2
1.94
CP4 (on: 6/off: 3)
161.1
183.9
321.2
114.2
1.59
CC (continuous current)
197.4
157.1
229.9
79.5
1.9
(*) The theoretical capacity is calculated by considering the transfer of 1 electron (289 mAhg−1) of active material. (a) The discharge capacity values listed in Table 1 are at 70 charge/discharge cycles, 100% SOD.