In 2026, the global new energy energy storage industry ushers in explosive growth. Countries around the world have accelerated the construction of wind-solar matching energy storage stations, industrial and commercial distributed energy storage and household energy storage systems to solve the problems of new energy power generation volatility and grid connection instability. According to industry statistics, the global newly installed energy storage capacity will exceed 350GW in 2026, with a year-on-year growth rate of more than 45%. The rapid expansion of energy storage scale puts forward higher and stricter requirements for the safety, stability and service life of energy storage equipment.
Battery energy storage systems will produce continuous heat accumulation during long-term cyclic charging and discharging operation. If the heat cannot be dissipated efficiently and evenly, it will cause local overheating of the battery pack, trigger battery thermal runaway, and bring potential safety hazards such as equipment short circuit and fire. In addition, the energy storage station operates in outdoor open environment for a long time, facing the erosion of humidity, temperature change and dust, which requires the thermal management components to have excellent sealing performance and environmental adaptability. Traditional metal heat dissipation materials have the defects of poor flexibility, low heat conduction uniformity and easy corrosion, which cannot meet the long-term stable operation requirements of large-scale energy storage stations.
High-density sealed graphite heat-conducting components are new-type functional materials specially optimized for energy storage equipment thermal management scenarios. Through high-density pressing forming and multi-layer sealing modification treatment, the material has ultra-high in-plane thermal conductivity, uniform heat dissipation effect and excellent air tightness and moisture resistance. Different from ordinary flexible graphite heat dissipation materials, sealed graphite components completely close the internal pores of graphite through special modification process, avoiding moisture and dust penetration, and can maintain stable heat conduction performance and structural integrity in long-term outdoor harsh environment.
Energy storage-grade sealed graphite heat-conducting components have strict technical index requirements. First, high thermal conductivity is required to realize rapid heat conduction and uniform temperature distribution of battery packs and eliminate local overheating points. Second, high compactness and sealing performance are required to prevent moisture and dust from invading the battery module and protect the internal structure of energy storage equipment. Third, good compression resilience and fatigue resistance are required to adapt to long-term vibration and temperature cycle changes of energy storage stations. Fourth, low thermal resistance and stable performance attenuation resistance are required to ensure long-term efficient heat dissipation of equipment.
At present, with the large-scale commissioning of global energy storage projects, the market demand for high-quality sealed graphite heat-conducting components continues to soar. However, the industry has high technical barriers for high-density sealed graphite production, involving precise pressing process, uniform modification formula and stable curing technology. Most ordinary graphite enterprises can only produce ordinary heat dissipation graphite materials, which cannot meet the sealing and long-term stability requirements of energy storage scenarios, resulting in prominent market supply gap of professional energy storage-grade graphite components.
Jincheng Graphite has targeted the pain points of energy storage equipment thermal management, independently developed energy storage-specific high-density sealed graphite heat-conducting materials, and formed a complete set of mature production processes. The enterprise optimizes the graphite blank pressing density and vacuum sealing impregnation formula, greatly improving the compactness and sealing performance of the material. The developed sealed graphite components have thermal conductivity up to 420W/(m·K), with excellent moisture resistance, dust resistance and fatigue resistance, fully adapting to long-term outdoor operation of energy storage stations.
Jincheng Graphite provides diversified customized products and services for global energy storage equipment manufacturers and energy storage project operators, including sealed graphite heat conduction gaskets, integral heat dissipation plates, edge sealing heat conduction strips and other special-shaped components. The enterprise can carry out personalized size customization and performance optimization according to the structural design and working environment parameters of different energy storage equipment, and provide complete product performance test reports and long-term aging test data to ensure the safe and stable operation of customer equipment.
At present, Jincheng Graphite's energy storage-grade sealed graphite heat-conducting components have been widely applied in large-scale energy storage station projects in Europe, Australia and Southeast Asia, helping customers reduce equipment thermal failure rate and extend the service life of energy storage systems. With the continuous expansion of the global energy storage industry scale, Jincheng Graphite will further optimize product sealing performance and heat conduction efficiency, enrich energy storage scenario product lines, and provide more high-quality thermal management material solutions for the global new energy storage industry.
