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With the acceleration of global energy transformation, photovoltaic power generation has become an important path for China to achieve its "dual carbon" goals. By the end of June 2024, the installed capacity of photovoltaic power generation in China reached 713 million kilowatts, showing a strong growth momentum. In photovoltaic power generation, photovoltaic panels are core components, and their daily cleaning and maintenance are crucial, which directly affects the power generation efficiency and life of the entire system. According to the "Operation and Maintenance Regulations for Photovoltaic Power Stations", photovoltaic panels need to be cleaned regularly to maintain their efficiency. Clean and tidy photovoltaic panels can absorb solar energy more effectively, improve power generation efficiency, and reduce energy losses caused by the accumulation of foreign matter such as dust and bird droppings.

With the continuous advancement of urbanization, the number of infrastructure such as high-rise buildings, photovoltaic power stations and high-voltage transmission lines has increased year by year, and the high-altitude cleaning market has also developed rapidly. According to market research reports, the global high-altitude cleaning market is expected to grow at a compound annual growth rate of 6.3% in the next few years, and the market size will reach US$4.6 billion by 2028.

With the acceleration of urbanization, cleaning and maintenance issues of high-altitude buildings, bridges, power facilities, etc. have become increasingly prominent. Traditional manual cleaning methods are not only inefficient and costly, but also pose safety risks in high-altitude operations. High-pressure water jet cleaning technology carried by drones has emerged as the times require, and with its unique advantages, it has become a new solution to this problem. This technology uses a high-pressure water jet device on a drone platform to achieve long-distance, high-altitude, and precise cleaning operations, with the advantages of high operating efficiency, low cost, and good safety.

On September 25, the world's largest international hydrogen energy technology industry exhibition "H2 MEET 2024" kicked off at KINTEX in Goyang, South Korea. Hydrogen cars, forklifts, bicycles, motorcycles, hydrogen energy engines, liquid hydrogen tanks, hydrogen pipelines and hydrogen refueling stations... all kinds of forms are available. It is understood that this year is the fifth year of the exhibition and it is also the largest one. A total of 317 companies and institutions from 24 countries around the world participated in the event to showcase the latest hydrogen energy technologies and trends.

The shipping industry is responsible for more than 80% of global trade transportation tasks, and its greenhouse gas emissions account for about 3% of global emissions. Ship emission reduction has become an important entry point for accelerating the green transformation of the shipping industry, and zero-emission hydrogen energy has become an important option for accelerating the decarbonization of the shipping industry.

The shipping industry is responsible for more than 80% of global trade transportation tasks, and its greenhouse gas emissions account for about 3% of global emissions. Ship emission reduction has become an important entry point for accelerating the green transformation of the shipping industry, and zero-emission hydrogen energy has become an important option for accelerating the decarbonization of the shipping industry.

In recent years, with the development of fuel cell technology and the improvement of hydrogen refueling facilities in my country, the characteristics of hydrogen-powered vehicles, such as fast refueling speed and suitability for long-distance heavy-load transportation, are becoming more prominent.

Recently, a hydrogen-powered logistics vehicle completed a 1,300-kilometer long-distance transportation mission from the Beijing Daxing International Hydrogen Energy Demonstration Zone to the Yangtze River Delta (Jiaxing) Hydrogen Energy Industrial Park. Earlier in April, a 49-ton hydrogen-powered heavy truck also completed a 1,500-kilometer long-distance transportation test from Beijing to Shanghai, proving that my country's hydrogen-powered vehicles have achieved large-scale, long-distance, and cross-regional actual transportation.

For a long time, in the competition with electric vehicles, fuel cell vehicles have not been challengers, but rather market supplementers. Because in the passenger car market, which accounts for the majority of automobile sales, pure electric or hybrid models powered by lithium batteries are the absolute mainstream, fuel cell vehicles seem to have to find another way to break through in the commercial vehicle field.

So, will the car companies that have not given up the hydrogen energy technology route really abandon the large passenger car market? The situation is not so pessimistic. In the fuel cell passenger car market, in addition to Toyota and Hyundai, which launched mass-produced models in previous years and have a strong development momentum (well-received but not popular), giants such as BMW have also begun to try recently and released a hydrogen car mass production plan.

As the green hydrogen industry develops in the direction of large-scale and high-efficiency, the importance of hydrogen power supply as a key power conversion device in the electrolysis of water hydrogen production system is becoming increasingly prominent.

How should the green hydrogen project choose the hydrogen power supply? Industry insiders believe that this depends on the needs of the owner, including the project scale, initial investment, later operating costs, and the adaptability of different electrolyzers.

This year marks the third year of my country's hydrogen fuel cell demonstration development. On the one hand, fuel cell companies are busy exploring the terminal market and expanding their capital reserves. On the other hand, under environmental uncertainty and survival pressure, companies are still continuing to hone their product basics in response to market demand, and optimizing and iterating technology around reliability, stability, life, hydrogen consumption and other performance.