The Sealed Nickel‐Hydrogen Secondary Cell
Citations Over TimeTop 10% of 1975 papers
Abstract
A recently developed sealed nickel‐hydrogen cell offers considerable promise to develop lightweight, long‐life, rechargeable batteries. The most apparent advantages of this cell are its higher energy and power density as compared with other rechargeable systems including nickel‐cadmium, lead‐acid, and silver‐zinc cells and the regenerative fuel cell. The energy density for lightweight 50 A‐hr cells shown is 28 W‐hr/lb. The cell enjoys a unique overdischarge protection mechanism which allows for long cycle life at high depth of discharge. Experimental data are presented to define the characteristics of the cell. Over 5000 high rate cycles have been completed on small 1.5 A‐hr cells with good voltage performance. A 50 A‐hr cell has completed to date over 800 cycles discharge to 70% of measured capacity in 1.2 hr.
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