Duracell Ni-MH User Manual

Page of 23
T
T
Ni-MH Rechargeable Batteries
able of Contents
1 Introduction
2 General Characteristics
3 Composition and Chemistry
3.1  Active Components: Positive and Negative Electrodes
3.2 Electrolyte
3.3 Cell Reactions
4 Battery Construction
4.1  Basic Cell Construction
4.2  Cylindrical Cell Construction
4.3  Prismatic Cell Construction
5.1  General Characteristics
5.2  Discharge Characteristics: Effect of Discharge Rate 
and Temperature
5.3  Capacity: Effect of Discharge Rate 
and Temperature
5.4 Energy Density
5.5 Constant Power Discharge Characteristics
5.6  Polarity Reversal During Overdischarge
5.7 Internal 
Impedance
5.8  Self-Discharge and Charge Retention
5.9  Voltage Depression (“Memory Effect”)
6.1 General Principles
6.2  Techniques for Charge Control
6.2.1 Timed Charge
6.2.2  Voltage Drop (-
V)
6.2.3  Voltage Plateau (zero 
V)
6.2.4 Temperature Cutoff
6.2.5  Delta Temperature Cutoff (
TCO)
6.2.6  Rate of Temperature Increase (dT/dt)
6.3 Charging 
Methods
6.3.1 Duracell’s Recommendation:
Three-Step Charge Procedure
6.3.2 Low-Rate Charge
6.3.3 Quick Charge 
6.3.4 Fast Charge 
6.3.5 Trickle Charge
6.4 Thermal Devices
5 Performance Characteristics
6 Charging Sealed Nickel-Metal Hydride Batteries
7 Cycle and Battery Life
7.1 Cycle Life
7.2 Battery Life
8 Safety 
Considerations
9  Proper Use and Handling
9.1  Care and Handling
9.2 Transportation
9.3  Waste Management: Recycling and Disposal