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Sales Service Hotline：0532-58517159

E-procurement platform：eps.yihe.cn

Clean Energy

In the new energy industry, with China's "carbon peak by 2030 and carbon neutrality by 2060" as the background, in line with energy conservation and environmental protection, we vigorously develop the investment business of "distributed photovoltaic power stations" by utilizing solar energy resources reasonably. At the same time, the company continues to invest in the research and development of new electrochemical energy storage fields. Its new energy storage products for lithium iron phosphate batteries operate safely and efficiently in multiple energy storage stations, providing benefits and solutions for "dual carbon economy and green energy".

 

Smart Energy Storage

<p style="text-indent:2em">Qingdao Yihe Energy Storage Technology Co., Ltd., affiliated with Qingdao Yihe Electric Group Co., Ltd., is located in the West Coast New Area of Qingdao. It is a high-tech enterprise and a specialized, refined, and new enterprise in Qingdao. It has an expert workstation for intelligent energy storage technology research and development in Qingdao, and has established a Smart Energy Joint Innovation Center with China Petroleum University. The company focuses on intelligent energy storage systems, distribution network automation equipment, artificial intelligence, and battery modules, The research and development, production, and sales of integrated energy storage system products are committed to providing high-performance, high-quality, and cost-effective customized product services and solutions for the field of smart energy storage applications. We have long provided energy storage and distribution automation system products for State Grid and the five major power generation groups. The company&#39;s energy storage module workshop covers an area of approximately 8000 square meters and has an annual production capacity of over 500MW. It mainly includes the production, installation, and testing of auxiliary products such as single cell electrical performance screening, laser welding, post weld module mechanical and electrical testing, EOL testing, and overall BMS control unit. The welding machine adopts imported lasers from Germany, with complete testing equipment for battery cells, modules, battery clusters, and the entire system.</p>

Lithium iron phosphate energy storage system

<p style="text-align:left">Modular design, independent operation of each sub warehouse, reducing the scope of accident impact.</p> <p>Multiple fire protection strategies: extremely early warning, PACK level fire protection, combustible gas monitoring+exhaust, heptafluoropropane or perfluorohexane, multiple sprays, end stage water fire protection, etc.</p> <p>Intelligent industrial controller: 100 megawatt hour power plant second level data monitoring and recording.</p> <p>Independent air cooling system: The cold and hot air ducts are designed independently, with precise thermal management technology.</p> <p>Electrical load breaking: Refusing battery cluster fault reclosure.</p> <p>The 20 foot liquid cooling scheme has a capacity of 3.727 MWh and an energy density increase of 8.3% compared to the conventional scheme.</p>

Liquid flow battery energy storage system

Technical advantages of liquid flow battery energy storage products

<table> <tbody> <tr> <td>Serial Number</td> <td>Advantage</td> <td>Illustrate</td> </tr> <tr> <td>1</td> <td>secure</td> <td>Aqueous solution, separation of battery stack and liquid tank, normal temperature and pressure operation, no possibility of fire or explosion</td> </tr> <tr> <td>2</td> <td>environmental protection</td> <td>The structural materials, ion exchange membranes, and electrode materials of waste batteries are common metals, resins, and carbon materials, which are easy to harmless treatment. The electrolyte is easy to recycle and treat, and theoretically can be used indefinitely</td> </tr> <tr> <td>3</td> <td>longevity</td> <td>The minimum cycle life of the system is 20000 times, with a long service life</td> </tr> <tr> <td>4</td> <td>Modular design</td> <td>Modular design, good consistency between battery stacks, high system stability and reliability</td> </tr> <tr> <td>5</td> <td>CuSTomizable</td> <td>The rated power and rated capacity are independent of each other, and the power depends on the battery stack. The capacity depends on the electrolyte, and can be customized and flexibly adjusted according to user needs</td> </tr> <tr> <td>6</td> <td>No self discharge</td> <td>Electric energy is stored in the electrolyte, which is stored in a storage tank and has almost no self discharge phenomenon</td> </tr> <tr> <td>7</td> <td>Good environmental adaptability</td> <td>Wide operating temperature, electrolyte can be started in the full range of -20~70C</td> </tr> <tr> <td>8</td> <td>Good sustainability</td> <td>Electrolyte raw materials are abundant in resources and easy to obtain without resource constraints</td> </tr> </tbody> </table>

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