The reporter learned from China Shipbuilding Heavy Industry Group on the 20th that China has successfully developed the first domestically produced deep-sea ocean temperature difference self-powered drift buoy prototype. This innovation marks a major breakthrough, bringing the concept of an "underwater permanent motion robot" closer to reality. The technology is considered among the best in the world and will be deployed as part of the Global Ocean Observing Program, also known as the Argo Project.
The Argo project aims to collect comprehensive and accurate data on the upper ocean—extending from the surface down to 2,000 meters. It envisions placing a buoy every three degrees of latitude and longitude across the globe, forming a vast network of thousands of buoys. These devices measure critical parameters such as seawater temperature, salinity, and pressure, providing essential insights into ocean dynamics and climate change.
Traditional buoys are typically powered by lithium batteries, which have limited lifespans of about 3 to 5 years and come with high costs and environmental concerns due to battery waste. To address these challenges, scientists have turned to renewable energy sources found in the ocean.
According to Tian Zhenhua, a senior engineer at China Shipbuilding Industry Co., Ltd., the ocean holds vast amounts of energy in the form of tides, waves, and temperature differences. Among these, temperature difference energy stands out due to its large reserves and stable output. It is particularly well-suited for Argo buoys, which move vertically through the water column. However, converting this energy into usable power remains a complex technological challenge, requiring expertise in materials science, control systems, electromechanics, and more.
As the sole buoy supplier certified by the Argo Group, the 710 Research Institute collaborated with the Institute of Meteorology and Oceanography at the National University of Defense Technology. After four years of dedicated research, they achieved breakthroughs in key technologies such as ocean temperature power generation, phase change point control, and phase change tube energy storage. They have also secured multiple patents.
The newly developed buoy prototype can be equipped with advanced sensors like CTD (conductivity, temperature, and depth), dissolved oxygen, pH, acoustics, and optical sensors. Its core technology offers a sustainable and long-lasting power source, paving the way for future advancements in marine exploration and observation. This development not only strengthens China’s position in global ocean research but also contributes to a cleaner and more efficient approach to ocean monitoring.
Type-c Cables
usb type c cable,4-in-1 data cable,type-c charger,type-c charging cable
DongGuan BoFan Technology Co.,Ltd. , https://www.ufriendcc.com