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High energy nickel--zinc battery for electric vehicles

Conference ·
OSTI ID:7216995
;

Before far-term high energy electric vehicle batteries are developed, near-term lead-acid and intermediate batteries with energy densities 40 to 80 Wh/kg can meet the energy demands of a large number of commuter and delivery cars. A new nickel-zinc battery is described with energy densities of 50 to 80 Ah/kg depending on the choice of nickel cathodes. A vibration charging technique completely eliminates the zinc dendrite and shape effects, and the nickel cathodes therefore determine the lifetime. A 2 kW battery was deep cycled for 1200 cycles, and traction cells up to 350 Ah were field tested in vehicles.

OSTI ID:
7216995
Report Number(s):
CONF-770205-62
Country of Publication:
United States
Language:
English

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Related Subjects

25 ENERGY STORAGE
250902 -- Energy Storage-- Batteries-- Performance & Testing
250904 -- Energy Storage-- Batteries-- Other Applications
33 ADVANCED PROPULSION SYSTEMS
330300* -- Advanced Propulsion Systems-- Electric-Powered Systems
BATTERY CHARGING
CATHODES
ELECTRIC BATTERIES
ELECTRIC-POWERED VEHICLES
ELECTROCHEMICAL CELLS
ELECTRODES
ENERGY STORAGE
ENERGY STORAGE SYSTEMS
MECHANICAL VIBRATIONS
METAL-METAL OXIDE BATTERIES
NICKEL-ZINC BATTERIES
PERFORMANCE TESTING
STORAGE
TESTING
VEHICLES