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EconoScope | China's 'Ice Silk Road' is reshaping global trade routes_我的网站
A | 8月25日消息，近日，保时捷公布一项车载音响创新技术，将氮化镓（GaN）半导体引入柏林之声3D高端环绕音响系统，主要用于400W低音炮功放单元。 这是全球首个计划量产装车的氮化镓车载高端音响方案，预计2027年随新一代保时捷车型正式落地。 (ECNS) -- An "Ice Silk Road" is emerging in the Arctic, offering China and Europe a shorter maritime link and, more importantly, a new option for navigating an increasingly uncertain global trading environment. Chinese container shipping company Sea Legend Line has announced plans to launch the first regular container service across the Arctic. The route is set to begin its maiden voyage on Saturday and will operate weekly, with eight voyages scheduled. The route underwent a trial voyage last autumn. In September 2025, the container ship "Istanbul Bridge" departed from Ningbo-Zhoushan Port and arrived at the Port of Felixstowe in the United Kingdom 20 days later. The new China-Europe Arctic Express will pass through the Bering Strait and sail westward along the Northeast Passage, reaching Felixstowe in the United Kingdom in just 18 to 20 days before connecting with ports in Germany, the Netherlands and Poland. By comparison, shipments from China's Ningbo-Zhoushan Port to Europe via the Suez Canal typically take at least 40 days. Rerouting around the Cape of Good Hope due to congestion or geopolitical disruptions can extend transit times to more than 50 days. The Arctic route could offer significant advantages in both speed and cost. Faster deliveries would allow Chinese manufacturers to reduce inventory levels and accelerate cash flow. Reports suggest that companies using the route could cut inventories by as much as 40%. The naturally low temperatures along the route could also make it suitable for transporting high-value, temperature-sensitive cargo, including precision instruments and new-energy batteries. Carbon emissions are expected to be nearly half those of traditional routes, according to reports. The route also bypasses major maritime chokepoints and areas affected by geopolitical tensions, including the Strait of Malacca, the Red Sea and the Gulf of Aden. This could provide companies with an additional option for improving the stability and resilience of their supply chains. However, the route also faces significant challenges. Sea ice limits the navigable season to roughly late July through October, while port services, supplies and emergency-response infrastructure along the route remain limited. It therefore cannot yet operate year-round and is unlikely to replace the Suez Canal route in the short term. Nevertheless, the Arctic route could strengthen the resilience and diversification of China-Europe trade. Together with land-based routes such as the China-Europe Railway Express, it could give China more options for transporting goods to European markets and reduce reliance on traditional southern maritime routes. Italian financial newspaper Il Sole 24 Ore described the route, dubbed the "Ice Silk Road," as a symbolic revival of the ancient trade links between East and West. As new shipping routes emerge across the Arctic, the geography of global trade may gradually be reshaped, giving international supply chains more options in an increasingly uncertain geopolitical environment. (By Gong Weiwei) 
。 该项目由保时捷联合斯图加特大学共同研发，2023年年中立项，2024年春季完成原型开发，已经申请多项相关专利。
据介绍，氮化镓常见于手机快充头，相比传统硅基芯片，功率转换损耗更低，工作过程发热量大幅下降，用在音响系统上会专门负责400W低音炮的电压转换，输出功率保持不变的前提下，功放散热压力显著降低。 最直观的变化体现在散热硬件上：功放散热器重量可以减少约20%，电容、电感等周边元器件也能够同步小型化，整套功放变得更加紧凑轻巧。
B | 此外，传统功放散热器大量使用铝材，而铝冶炼属于高耗能工艺，应用氮化镓后，散热器减重，直接减少铝材消耗，帮助降低零部件生产环节碳排放，实现减重与可持续的双重目标，对追求轻量化的跑车平台意义突出。 保时捷表示，这次升级核心是提升电源转换效率，并非单纯强化低音音量，更低的热损耗，也意味着车载电能浪费变少。
C | 目前氮化镓仅率先应用在低音炮功放模块，保时捷也正在评估，未来把该半导体技术拓展至车内更多电源转换部件。 保时捷把快充领域成熟的第三代半导体移植到车载Hi-Fi上，也给汽车电子打开新思路，也就是在有限车身空间内实现更高功率、更少材料消耗。
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