(300037): The company’s core business involves the research, development, production, and sales of advanced electronic chemicals. Its main product lines comprise capacitor chemicals and lithium‑battery chemicals, encompassing four specific categories: aluminum electrolytic capacitor chemicals, solid‑state polymer capacitor chemicals, supercapacitor electrolytes, and lithium‑ion battery electrolytes.

According to available information, Chaonai New Energy was established as a research-and‑development‑oriented manufacturer of key materials and sodium‑ion batteries. The company independently develops core materials for sodium‑ion batteries, focusing on products that offer low cost, long cycle life, high energy density, and superior performance, with applications spanning low-speed electric vehicles, grid‑scale energy storage, electric vehicles, and other sectors. (Source: Battery 100 Forum – Battery Network)

The second aspect focuses on research into the thermal stability of high‑power sodium‑ion batteries. The battery is divided into three components: first, the electrode materials and electrolyte; second, the separator and electrolyte; and third, the negative electrode and electrolyte. Initial exothermic reactions begin at approximately 100–110°C, with thermal runaway occurring around 180°C. Between 110°C and 178°C, the primary decomposition involves the negative electrode, while subsequent stages are dominated by the degradation of both the positive and negative electrodes as well as the separator, along with heat generated upon contact between the electrodes and the separator. Electrolytes play a significant role in thermal stability; comparative studies with lithium‑based electrolytes indicate that sodium‑based systems exhibit superior thermal stability. Deputy General Manager and Institute Director Chong Zai Zhong shared Saiwei’s development experience in sodium‑ion battery electrolytes. He noted that enhancing electrolyte stability can be achieved by identifying more robust novel solvents to reduce the solubility of SEI/CEI components, thereby improving the intrinsic stability of the electrolyte. Additionally, introducing new additives can optimize the SEI/CEI films at the electrode–electrolyte interface, minimizing electrolyte decomposition during cycling and storage, reducing gas evolution, and ultimately boosting overall performance.

Because conventional aqueous batteries and lithium‑ion batteries still suffer from numerous drawbacks—such as the strongly alkaline electrolytes and high cost of nickel–metal hydride batteries, the toxicity and memory effect of nickel–cadmium batteries, the environmental pollution and short cycle life of lead–acid batteries, and the flammability and explosiveness of lithium batteries—developing aqueous batteries that employ near‑neutral aqueous electrolytes and low‑toxicity electrode materials (e.g., aqueous lithium‑ion and sodium‑ion batteries) has become a major research focus in recent years.

According to reports, Hanshu Technology was founded and focuses on the research, development, and application of new‑energy materials. Its product portfolio includes cathode and anode materials for sodium‑ion batteries, fuel‑cell catalysts, and aqueous zinc‑ion batteries. The first category of products is primarily manufactured by [Company Name], which is responsible for producing hard carbon anode materials for sodium‑ion batteries; the second category is developed, produced, and marketed by [Company Name], which specializes in core materials and components such as fuel‑cell catalysts and membrane electrodes. (Source: )