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2005年10月19日,德国212A型潜艇的1号艇U-31和2号艇U-32在艾肯弗德军港同时服役,该艇是世界上第一种装备燃料电池型AIP(“不依赖空气推进装置”)系统的潜艇,艇长55.9米,水下排水量1830吨,艇员27名,主要武备为6管533毫米鱼雷发射装置。它独特的动力装置除16缸柴油机和常规蓄电池外,还装有9组氢燃料电池模块,使潜艇的水下航速达20节。另外该艇的3、4号艇正在建造中,预计2006年服役。
On October 19, 2005, German Type-212A submarine U-31 and U-2 No. 2 were in service at the same time in the Port of Eikenfeld, the world’s first equipped fuel cell type AIP (“No Rely on air propulsion ”) system of submarine, captain 55.9 meters, 1830 tons of underwater displacement, crew of 27, the main armament is 6 tubes 533 mm torpedo launcher. Its unique powerplant is equipped with nine hydrogen fuel cell modules in addition to the 16-cylinder diesel engine and conventional batteries, enabling submarine’s underwater speed of 20 knots. In addition the boat 3,4 boats under construction, is expected to serve in 2006.