The strategic cooperation with Energy Storage Enterprise A in 2021 marked a major breakthrough for Kaixin in the field of energy storage technology. In response to the characteristics of zinc-based flow batteries, Kaixin's R&D team overcame three key technical difficulties:
1.Developing the "Large Moon Bend" 90° elbow, which optimized the curvature radius of the bend through CFD (Computational Fluid Dynamics) simulation, controlling the electrolyte flow rate fluctuation within ±2%;
2. Pioneering the containerized energy storage modular piping layout scheme, shortening the traditional installation period by 40%;
3. The supporting electric flanged ball valve adopted dual closed-loop control of stepping motor + absolute encoder, achieving precise opening and closing within 30 seconds (with an error of ±0.5°). These innovations increased the energy conversion efficiency of the enterprise's energy storage system to 82.5%, which is better than the industry average.
In the cooperation with Energy Storage Enterprise B on all-vanadium flow batteries, Kaixin demonstrated its full-chain service capabilities:
1. The pipeline system adopted a corrosion-resistant design, improving the vanadium ion corrosion resistance by 3 times;
2. Innovating the "three-dimensional truss-type" piping technology, realizing the series arrangement of 12 energy storage units in a 40-foot container and reducing the pipeline space occupancy by 35%. This solution has been successfully applied to the enterprise's 50MW/200MWh energy storage demonstration project, with a system cycle efficiency of over 75%.