| 摘要 |
971,279. Fuel cells. E. I. DU PONT DE NEMOURS & CO. Oct. 10, 1962 [Jan. 9, 1962], No. 38331/62. Drawings to Specification. Heading H1B. A fuel cell utilizes nitric acid or nitrogen dioxide as an oxidant, an aqueous mineral acid or an aqueous neutral or acid salt as an electrolyte and either a fuel or a metal (e.g. lead) as the anode. |
