钠离子电池在船舶储能领域有哪些应用场景？

What are the application scenarios of sodium-ion batteries in the ship energy storage field?

钠离子电池在船舶储能领域的应用场景覆盖了内河航运、沿海运输、海洋工程、渔业捕捞等全品类船舶，完美适配船舶的各类用电需求，是推动船舶电动化、绿色化、智能化发展的核心储能设备，核心应用场景主要分为五大类。一是船舶动力系统储能，适配内河小型电动船舶、沿海短途运输船、景区观光船、游艇、渔船等各类船舶的主动力系统，钠电池动力输出强劲、充电速度快、耐造耐用，可完美适配船舶的航行动力需求，实现船舶的全电动化、零排放，彻底解决了传统燃油船舶的尾气污染、噪音污染问题，同时大幅降低了船舶的燃油运营成本，完美适配内河、沿海短途航行的船舶使用需求。二是船舶辅助系统供电，适配船舶的导航设备、通信设备、雷达设备、照明设备、空调设备、消防设备、生活用电设备的供电，钠电池自放电率低、寿命长、免维护，可长期为船舶辅助设备提供稳定的供电保障，大幅降低了船舶辅助系统的用电成本，同时可作为应急备用电源，在船舶主电源故障时，为船舶的导航、通信、应急设备提供供电保障，大幅提升了船舶的航行安全性。三是船舶应急备用电源，适配各类远洋运输船、工程船、渔船、邮轮的应急备用电源，钠电池安全性能优异、热稳定性高，不会出现热失控、起火爆炸的风险，同时耐高低温、抗振动、抗冲击，完美适配船舶海上航行的颠簸、潮湿、极端温度环境，可在船舶突发停电、主电源故障时，快速启动供电，保障船舶的应急照明、通信、导航、消防设备的正常运行，为船舶的应急处置、人员撤离提供充足的时间，大幅提升了船舶的海上航行安全系数。四是船舶光伏配套储能，适配安装了分布式光伏系统的各类船舶，钠电池可完美存储船舶光伏系统产生的电能，为船舶的动力系统、辅助系统提供日常供电，大幅降低了船舶的电网用电、燃油成本，实现了船舶的绿色化、节能化航行，同时可解决船舶在偏远海域、无电网覆盖区域的用电需求，完美适配远洋航行、海岛作业的船舶使用需求。五是港口船舶岸电配套储能，适配港口码头的船舶岸电系统，钠电池可在电网低谷电价时段充电，在船舶靠港接岸电时放电，为船舶提供岸电供电，赚取峰谷电价差价，同时可平抑港口电网的负荷波动，提升港口电网的稳定性，降低港口的用电成本，实现港口岸电系统的绿色化、智能化运行。目前，钠离子电池在船舶储能领域已进入示范应用阶段，随着技术的不断成熟，未来有望在各类船舶上实现大规模的商业化应用，推动我国航运业的绿色低碳转型。

The application scenarios of sodium-ion batteries in the ship energy storage field cover all types of ships, including inland river shipping, coastal transportation, marine engineering, and fishery fishing, which are perfectly suitable for various power demand of ships, and are the core energy storage equipment to promote the electrification, greening and intelligent development of ships. The core application scenarios are mainly divided into five categories. First, energy storage for ship power system, which is suitable for the main power system of various ships such as small inland electric ships, coastal short-distance transport ships, scenic sightseeing ships, yachts, and fishing boats. Sodium batteries have strong power output, fast charging speed and durable performance, which can perfectly adapt to the navigation power demand of ships, realize the full electrification and zero emission of ships, completely solve the problems of exhaust pollution and noise pollution of traditional fuel ships, and greatly reduce the fuel operation cost of ships, which is perfectly suitable for ships sailing in inland rivers and coastal short distances. Second, power supply for ship auxiliary systems, which is suitable for the power supply of ship navigation equipment, communication equipment, radar equipment, lighting equipment, air conditioning equipment, fire fighting equipment, and domestic power consumption equipment. Sodium batteries have low self-discharge rate, long life and maintenance-free, which can provide stable power supply guarantee for ship auxiliary systems for a long time, greatly reduce the power cost of ship auxiliary systems, and at the same time can be used as emergency backup power supply to provide power supply for ship navigation, communication and emergency equipment when the ship's main power supply fails, which greatly improves the navigation safety of ships. Third, ship emergency backup power supply, which is suitable for emergency backup power supply of various ocean-going transport ships, engineering ships, fishing boats, and cruise ships. Sodium batteries have excellent safety performance and high thermal stability, and will not have the risk of thermal runaway, fire and explosion. At the same time, they are resistant to high and low temperature, vibration and impact, which are perfectly suitable for the bumpy, humid and extreme temperature environment of ships sailing at sea. When the ship has a sudden power failure or main power supply failure, it can quickly start to supply power, ensure the normal operation of the ship's emergency lighting, communication, navigation and fire fighting equipment, provide sufficient time for the ship's emergency disposal and personnel evacuation, and greatly improve the safety factor of the ship's navigation at sea. Fourth, supporting energy storage for ship photovoltaic, which is suitable for various ships installed with distributed photovoltaic systems. Sodium batteries can perfectly store the electric energy generated by the ship photovoltaic system, provide daily power supply for the ship's power system and auxiliary system, greatly reduce the power grid and fuel costs of the ship, realize the green and energy-saving navigation of the ship, and at the same time solve the power demand of the ship in remote sea areas and areas without power grid coverage, which is perfectly suitable for ships sailing in the ocean and operating on islands. Fifth, supporting energy storage for port ship shore power, which is suitable for the ship shore power system of port terminals. Sodium batteries can be charged during the low peak price period of the power grid, and discharged when the ship is docked to the shore power to supply power for the ship, earn the peak-valley price difference, and at the same time stabilize the load fluctuation of the port power grid, improve the stability of the port power grid, reduce the power cost of the port, and realize the green and intelligent operation of the port shore power system. At present, sodium-ion batteries have entered the demonstration application stage in the field of ship energy storage. With the continuous maturity of technology, it is expected to achieve large-scale commercial application on various ships in the future, and promote the green and low-carbon transformation of China's shipping industry.