Annual Report for 1980 on Research, Development, and Demonstration of Nickel-iron Batteries for Electric Vehicle Propulsion PDF Download
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Author: Eagle-Picher Industries
Publisher:
ISBN:
Category : Electric vehicles
Languages : en
Pages : 56
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Book Description
Author: Eagle-Picher Industries
Publisher:
ISBN:
Category : Electric vehicles
Languages : en
Pages : 56
Get Book Here
Book Description
Author:
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ISBN:
Category :
Languages : en
Pages :
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The FY 1980 program continued to involve full-size, prototype cell, module and battery fabrication and evaluation, aimed at advancing the technical capabilities of the nickel-iron battery, while simultaneously reducing its potential cost in materials and process areas. Improved Electroprecipitation Process (EPP) nickel electrodes of design thickness (2.5 mm) are now being prepared that display stable capacities of 23 to 25 Ah for the C/3 drain rate at 200+ test cycles. Iron electrodes of the composite-type are delivering 24 Ah at the target thickness (1.0 mm). Iron electrodes are displaying capacity stability for> 1000 test cycles in continuing 3 plate cell tests. Finished cells have delivered 57 to 61 Wh/kg at C/3, and have demonstrated cyclic stability to 500+ cycles at 80% depth of discharge profiles at Westinghouse. A 6-cell module that demonstrated 239 Ah, 1735 Wh, 48 Wh/kg at the C/3 drain rate has also been evaluated at the National Battery Test Laboratory, ANL. It operated for 327 test cycles, to a level of 161 Ah at the C/3 rate, before being removed from test. Reduction in nickel electrode swelling (and concurrent stack starvation), to improve cycling, continues to be an area of major effort to reach the final battery cycle life objectives. Pasted nickel electrodes continue to show promise for meeting the life objectives while, simultaneously, providing a low manufacturing cost. Refinements have occurred in the areas of cell hardware, module manifolding and cell interconnections. These improvements have been incorporated into the construction and testing of the cells and modules for this program. Temperature tests at 0°C were performed on a 6-cell module and showed a decrease in capacity of only 25% in Ah and .29% in Wh as compared to 25°C performance. Additional tests are planned to demonstrate performance at -15°C and 40°C.
Author:
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Category :
Languages : en
Pages : 128
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Author:
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Category :
Languages : en
Pages :
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The objective of the Eagle-Picher nickel-iron battery program is to develop a nickel-iron battery for use in the propulsion of electric and electric-hybrid vehicles. To date, the program has concentrated on the characterization, fabrication and testing of the required electrodes, the fabrication and testing of full-scale cells, and finally, the fabrication and testing of full-scale (270 AH) six (6) volt modules. Electrodes of the final configuration have now exceeded 1880 cycles and are showing minimal capacity decline. Full-scale cells have presently exceeded 600 cycles and are tracking the individual electrode tests almost identically. Six volt module tests have exceeded 500 cycles, with a specific energy of 48 Wh/kg. Results to date indicate the nickel-iron battery is beginning to demonstrate the performance required for electric vehicle propulsion.
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Languages : en
Pages :
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The objective of this program is to develop a nickel-iron battery suitable for use in electric vehicles. Ultimately, it is expected that a number of these batteries will be demonstrated under the Electric and Hybrid Vehicle Act of 1976. The report presents the technical approach and a summary of the progress that was achieved under the contract. Work began 1 May 1978. The report covers the period through September 1978. (TFD).
Author:
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Category :
Languages : en
Pages :
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Author:
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Category :
Languages : en
Pages : 40
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Author: Eagle-Picher Industries
Publisher:
ISBN:
Category : Electric vehicles
Languages : en
Pages : 85
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Author: Westinghouse Electric Corporation
Publisher:
ISBN:
Category : Electric vehicles
Languages : en
Pages : 105
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Author:
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Category :
Languages : en
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