WTECL(SH:600157) Zhong Guo Zheng Quan Bao·2025-09-25 13:59Core Insights - The recent guidance from the National Energy Administration emphasizes the development of low-cost, long-duration vanadium-based, iron-based, and organic flow battery systems, enhancing the intrinsic safety of storage batteries [1] - Traditional mining is entering a critical opportunity period for green transformation, with Yongtai Energy leveraging its vanadium resources and technology advantages to implement a full industry chain layout for vanadium battery energy storage [1][5] - The integration of "solar storage fusion + technological innovation" by Yongtai Energy addresses safety and low-carbon development challenges in mining, providing replicable "green mining" solutions for the industry [1] Industry Context - The regulatory requirements for energy storage equipment, including "high safety, high reliability, low cost, and long duration," align closely with the core needs of mining operations [2] - Mining production demands stable power supply and adaptability to extreme environments, making energy storage technology essential for transitioning from high-carbon to green low-carbon operations [2] - Vanadium flow batteries are particularly suited for mining scenarios due to their long-duration storage, high safety, and long cycle life, with policy support accelerating their penetration into the mining sector [2] Project Implementation - Yongtai Energy's Nanshan Coal Mine solar-storage integrated vanadium battery energy storage station is a practical example of policy implementation, set to be operational by September 2024 [2] - The project integrates 2.7 MWp of distributed solar power with a 1.5 MW/6 MWh vanadium battery storage system, achieving dual benefits of "clean replacement + safety backup" for energy supply [2] - By September 2025, the project is expected to generate 2.94 million kWh of solar power and complete 186 charge-discharge cycles, saving significant operational costs for the mine [3] Technological Advancements - Yongtai Energy's Singapore subsidiary, Vnergy, has made significant breakthroughs in vanadium flow battery technology, addressing high electrolyte costs, narrow temperature adaptability, and capacity enhancement challenges [4] - The newly developed solid capacity-enhancing material can reduce electrolyte costs to 40%-60% of traditional solutions and expand the operational temperature range from 10°C-40°C to 5°C-70°C, eliminating the need for additional temperature control equipment [4] - Vnergy has initiated collaborations with various domestic and international companies, indicating a promising trend for global technology output [4] Strategic Positioning - Yongtai Energy has established a comprehensive advantage in the vanadium battery energy storage industry by integrating resources, technology, and projects [5] - The company aims to leverage its full industry chain advantage and deep experience in the coal mining sector to facilitate the transition from "black coal" to "green energy" [6] - The exploration of energy storage in mining by Yongtai Energy is expected to open a second growth curve for the company and lead the industry in forming a closed-loop system of "vanadium resources - storage technology - mining applications" [6]