China is currently constructing its fourth and fifth aircraft carriers, and the choice of propulsion system has drawn significant attention. The first two carriers—Liaoning and Shandong—both use conventional steam turbine propulsion, while the third, the Fujian, introduced electromagnetic catapults but still relies on conventional power. However, as China’s naval ambitions expand toward blue-water operations and its technological capabilities mature, the fourth and fifth carriers are widely expected to adopt nuclear propulsion.Nuclear-powered carriers offer near-unlimited range, higher sustained speeds, and greater electrical output—essential for supporting advanced systems such as directed-energy weapons, high-power radars, and potential future railguns. Nuclear propulsion also reduces reliance on replenishment ships, enhancing the operational flexibility and endurance of carrier strike groups.Although nuclear propulsion involves high technical barriers, longer construction timelines, and greater costs, China has decades of experience in nuclear submarine development, providing a solid foundation for naval nuclear reactors. Many analysts believe the Type 004 carrier will be China’s first nuclear-powered aircraft carrier, with the Type 005 further refining the design and establishing a standardized nuclear carrier construction program. This transition marks a pivotal step in China’s evolution into a global blue-water navy.
中国目前正在建造第四艘和第五艘航空母舰，关于其动力系统的选择引发广泛关注。前两艘航母——辽宁舰和山东舰均采用常规动力（蒸汽轮机），而第三艘福建舰首次采用电磁弹射技术，并仍使用常规动力。然而，随着中国海军远洋作战需求的提升和技术积累的成熟，第四艘和第五艘航母极有可能转向核动力系统。核动力航母具有近乎无限的续航能力、更高的航速以及更强的电力供应能力，可支持更先进的舰载设备，如激光武器、高能雷达和未来可能部署的电磁轨道炮。此外，核动力还能减少对补给舰的依赖，提升航母编队的整体作战灵活性与持续性。尽管核动力技术门槛高、建造周期长、成本高昂，但中国在核潜艇领域已积累数十年经验，具备发展舰用核反应堆的基础。综合多方分析，第四艘航母（004型）或将成为中国首艘核动力航母，而第五艘（005型）则可能进一步优化设计，形成稳定的核动力航母建造体系。这标志着中国海军正稳步迈向全球远洋海军强国行列。
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