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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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.93 miles per hour. 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. properties and longer lifp. Edi­ son had set his staff to work entirely new 'line, and the outcome was 2. The longest these trips, 172. The . 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. The normal discharge voltage is 1. Believing that the lead cell had too many inherent weaknesses realize the f promise "stored electricity" motive power for vehicles, Mr. Edison the front seat. The map distance this route 90. 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.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. Edison nine years ago. Lead plates were immersed acid electrolyte, Gaston Plante 1861. 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. each size the dimensions the individual (Conti. This dream has come true the new Edison nickel-iron storage cell.) Weldin&, the steel cans for the cell. for over decade, Thomas Edison has been working produce type storage bdttery better than the old lead type. The need the electric vehicle was recognized by Mr.nued page 45. Negative plate the left with iron oxide active IDt'tterial in perforated fiat pockets. re­ cent average 144. Machine for electro-deposition nickel for use positive plates.2, and battery re­ garded completely discharged when shows average of 1. automo­ .original Edison storag]e battery, known as the type was put out about seven years ago. This cell is not actual. 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 cell certain weaknesses service, which caused the inventor to withdraw from the A storage battery omnibus.9 miles, and 81. The fact be Interior type 4-A Edi­ son cell and cover of can with terminal stuff­ in� box, gas valve, and filJang aperture. 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.ol­ hydrate active material perforated tubes. 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.1 miles, was Babylon, Long Island, way of Mineola and Plainview, returning the southerly route through Massapequa and Freeport. market and resume experi­ ments improve the form of the voltaic combination, or­ der obtain' better electrical Positive plate the rightwith nicl. This figure the average four trips, each· with New York city (Manhattan) the starting point. From these early beginnings, many inventors have sought increase the electrical efficiency, and the durability "life" the cell, and reduce the cost of manufacture. The new series experiments lasted four years, and resulted in the present commercial Edi­ son cell, known the type A. Mr. 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.0 volt per cell. 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.35 miles single charge was made family-type electric vehicle equipped with the new battery.il& U�•• Coml2lete 4·plate element of EdIson electric vehicle cell removed from its contuining can ShOW the structure. LD, indeed, the idea the commercial storage bat· tery. Elemeut removed from can Edison type A-4 cell. These were the very qualities demanded by the automobile user.2 miles additional was covered after the regular run, the average speed being 10. Emile Faure brought out the pasted·plate battery in 1879, and Charles J<'. last has succeeded. THOMAS EDISON'S LATEST INVENTION . 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