Scientific American 1941

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Thomas A. Edison's Latest Invention A Storage Battery Designed and Constructed from the Automobile User's Point of View ...

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93 miles per hour. Negative plate the left with iron oxide active IDt'tterial in perforated fiat pockets. It was the early eighties that the public be­ gan think about "stored electricity" which could be bought the can, it were, like any other com­ modity. The longest these trips, 172. Elemeut removed from can Edison type A-4 cell. From these early beginnings, many inventors have sought increase the electrical efficiency, and the durability "life" the cell, and reduce the cost of manufacture. Edison nine years ago. Machine for electro-deposition nickel for use positive plates.original Edison storag]e battery, known as the type was put out about seven years ago. These were the very qualities demanded by the automobile user. This cell now being actively marketed for electric vehicle work three sizes, the A-4, A-6, and A-8 cells, having re­ spectively and positive plates and and negative plates, the two outside plates of the element being negatives. nickel-iron - mersed alkaline elec­ trolyte, lighter and cleaner than the lead cell, with lower cost operation and upkeep offset its higher initial cost, and possessing hitherto unheard-of proper­ ties remaining undeteri­ orated either over­ charging being left un­ chargJed. The cell certain weaknesses service, which caused the inventor to withdraw from the A storage battery omnibus. He saw that there are two view­ points that the electrical man with his instruments, his rules for efficient operation and reasonable life the battery, his absolute knowledge that the same care should giveri a vehiele battery that given a valued horse even railroad locomotive and that the automobile driver, who simply wishes somewhere with his car, and who, when ar­ rives somewhere, wishes to go back. faced, realized, that the eleCtric vehicle user will work his car the utmost, and will limited only repairs and breakdowns just the average gasoline car driver has always operated his car to the limit repairs and breakdowns.9 miles, and 81. Lead plates were immersed acid electrolyte, Gaston Plante 1861. His new cells are now actual wmmen!ial use. Edison's work once more exemplified in that has held uncompro­ misingly the automobilist's point view. Believing that the lead cell had too many inherent weaknesses realize the f promise "stored electricity" motive power for vehicles, Mr. market and resume experi­ ments improve the form of the voltaic combination, or­ der obtain' better electrical Positive plate the rightwith nicl.1 miles, was Babylon, Long Island, way of Mineola and Plainview, returning the southerly route through Massapequa and Freeport. This figure the average four trips, each· with New York city (Manhattan) the starting point. LD, indeed, the idea the commercial storage bat· tery. THOMAS EDISON'S LATEST INVENTION . How well he has succeeded aligning his battery this ideal, the automobile driver will appreciate from the figures of actual performance that are now available. The type cell marked definite step invention, in that proved the commercial success wholly new voltaic combination, radical departure from the lead plates acid electrolyte.SCIENTIFI[ AME RICAN January 14, 191 1 Thomas Edison's Latest Invention A Storage Battery Designed and Constructed from the Automobile User's Point View By Joseph Baker, E.) Weldin&, the steel cans for the cell.nued page 45. The need the electric vehicle was recognized by Mr. Stored electricity finds its greatest usefulness in propelling cars and road vehicles, and has been for this application, pri­ marily, that the Edison storage battery has been de­ veloped. The . properties and longer lifp. The fact be Interior type 4-A Edi­ son cell and cover of can with terminal stuff­ in� box, gas valve, and filJang aperture. Mr. This cell is not actual. And this long­ promised battery the highly practical nature Mr. the following article the reader will find description the new battery, written after painstaking study its manufacture. last has succeeded. The normal discharge voltage is 1. This dream has come true the new Edison nickel-iron storage cell. Emile Faure brought out the pasted·plate battery in 1879, and Charles J<'. Edison the front seat. The map distance this route 90. Brush 1881 introduced improvements which made the lead battery factor electric vehicle work, producing cell which would give eight watts of electric power per pound of material. Edi­ son had set his staff to work entirely new 'line, and the outcome was 2.35 miles single charge was made family-type electric vehicle equipped with the new battery.2 miles additional was covered after the regular run, the average speed being 10. automo­ . The new series experiments lasted four years, and resulted in the present commercial Edi­ son cell, known the type A.ol­ hydrate active material perforated tubes. re­ cent average 144.2, and battery re­ garded completely discharged when shows average of 1.il& U�•• Coml2lete 4·plate element of EdIson electric vehicle cell removed from its contuining can ShOW the structure.0 volt per cell. for over decade, Thomas Edison has been working produce type storage bdttery better than the old lead type. each size the dimensions the individual (Conti