1. Introduction to the Project

1.1 Introduction to technical achievements

The project is sourced from the technical team of inorganic materials synthesis and energy storage at Changchun University of Science and Technology. With over a decade of targeted technological development, the team responded to national policy calls and established Jilin Junfan Sulfide Material Technology Co., Ltd. in August, 2022, focusing on the entire industry chain operation of the research and development, production, and sales of all-solid-state electrolytes and their series of sulfides.

1.2 Technical analysis and advantages

The core of this project is the batch synthesis technology of special sulfide - chemical kinetics controlled synthesis sulfide technology, which has independent intellectual property rights, and is simple and easy to operate, with the low cost and strong practicality. It has solved the technical bottleneck problem of batch preparation of special sulfide, and it ranks in the leading position int the technical maturity and progressiveness in the industry.

1.3 Main products and applications of technical achievements

The technical achievements of the project are mainly applied in the fields of energy, optoelectronic information, biology, and medicine, and the main products include the following four categories:

1. Sulfide solid electrolyte

Sulfide solid electrolyte is one of the core materials of all solid state batteries, which can be widely used in all solid state battery systems such as lithium-ion, lithium sulfur, and metallic lithium.

2. Alkali metal/alkaline earth metal sulfides

Lithium sulfide is an indispensable product in some industries such as pharmaceuticals and fine chemicals; anhydrous sodium sulfide and potassium sulfide also have a wide range of application prospects in the fine chemical industry; magnesium sulfide, calcium sulfide, strontium sulfide and barium sulfide, etc. can be widely used in some fields such as medicine, printing and dyeing, luminescence, medical testing, etc.

3. Rare earth sulfides

Rare earth sulfides have promising applications in many fields due to their unique electronic structure.

(1) Cerium sulfide: Cerium sulfide is a new type of inorganic compound that can be applied in fields such as coatings, plastics, paints, rubber, ceramics, glazes, inks, cosmetics, dyes and leather, etc. It can also be used as some special functional materials.

(2) Praseodymium sulfide: It is mainly used in glass, ceramics, and magnetic materials. Praseodymium sulfide can be used for selective photodegradation of sodium fluorescein salts. In addition, the use of this material in the fiber field is becoming increasingly widespread.

(3) Neodymium sulfide: Neodymium sulfide is mainly used for coloring glass and ceramic materials and as an additive in rubber products.

(4) Samarium sulfide: Samarium sulfide is mainly used in ceramic capacitors and catalysts. In addition, samarium also has nuclear properties and can be used as a structural material, shielding material or control material for atomic reactors.

4. Transition metal and carbon group element sulfides

(1) Titanium sulfide: It can be used in supercapacitors, ion batteries, lithium sulfur batteries, and solar cells; it plays an important role in fields such as mode locking, Q-switching, optical pulse shaping, optical switching, and optical signal processing; with nonlinear optical absorption and light limiting properties, light limiting materials can be used to protect the human eye, photosensitive components, and optical sensors from damage caused by strong laser pulses, and have the important application values in civil and military fields.

(2) Zirconium sulfide: It is widely used in negative electrodes of lithium-ion batteries, lithium sulfur batteries, solar cells, field-effect transistors, thermoelectric devices, photodetectors, fiber lasers, sensors; the absorption coefficient and photoconductivity of zirconium sulfide are highest in the ultraviolet energy range, making it suitable for ultraviolet light detection and filtering applications; it can be used for catalytic hydrogen production.

(3) Vanadium sulfide: It is widely used in ion batteries, supercapacitors, and lithium sulfur batteries; it has the fluorescence performance and can be used for biosensing; it has catalytic performance; it has field emission performance and can be used as a flat panel display material; for p-type semiconductors, they can be used in electronic devices; it has ultra-high electrocatalytic activity and can effectively carry out hydrogen release reactions, which can be used for water electrolysis and fuel cells.

(4) Aluminum sulfide: It is one of the important raw materials for sulfide solid electrolytes, and appropriate addition can significantly improve its performance. In addition, it can also be applied to solar cells, aluminum sulfur batteries, and supercapacitors; and it has the photocatalytic activity to degrade various pollutants, including malachite green dye, pesticide fluoropyram and phenol; as a semiconductor material, it can be applied to both linear and nonlinear optoelectronic devices.

(5) Carbon group element sulfide: It is one of the most important raw materials for sulfide solid electrolytes; due to its unique physical and chemical properties, it has a wide range of optoelectronic applications.

1.4 Technical achievement commercialization stage

By now, the project has completed pilot testing and is in the early stage of industrialization, reaching the small-scale mass production in the kilogram level, leading the industry. Jilin Junfan Sulfide Material Technology Co., Ltd. was established in August, 2022. The samples have been tested by multiple enterprises and research institutes in universities, and can meet the requirements for the use of all solid state batteries.

1.5 Technical team

The company has a registered capital of 4 million yuan and has completed sales of nearly 400000 yuan since June, 2023. By now, it has completed the pilot test of sulfide solid electrolytes and achieved mass production in the kilogram level within 8 hours for a single set and batch, ranking at the leading level in the industry. It has formed a relatively stable cooperative and customer base, including well-known universities and industry leading enterprises such as Shenzhen Graduate School of Tsinghua University, Central South University, Tianjin University of Technology, FAW Research Institute, Geely, and Shandong Yonghao.

The project principal is Professor Wang Jinxian, who previously served as the Deputy Director and Director of the Department of Chemistry and Chemical Engineering at the School of Chemistry and Environmental Engineering, Changchun University of Science and Technology, as well as the Deputy Dean in charge of scientific research and discipline. He has been committed to the synthesis of special sulfides and their application research in the field of optoelectronics for a long time. The team currently has 12 fixed members, including 5 professors and 3 associate professors, all of whom hold doctoral degrees. They have completed or undertaken more than 20 provincial-level projects, obtained more than 30 authorized invention patents, published more than 100 SCI papers, and received more than 10 provincial-level scientific and technological awards, including 1 first prize and 2 second prizes for technological inventions in Jilin Province.

2. Market potential analysis

All solid state batteries have become one of the most cutting-edge hotspots in the energy storage field, and will have reached a market size of trillions by 2030. At that time, the penetration rate of all solid state batteries will not be less than one-third, with solid electrolytes accounting for at least one-third of the cost of all solid state batteries; there are over 20 types of other electrolyte raw materials and related products, all of which are scarce in the market and have broad application prospects in some fields such as optoelectronic information and biomedicine. The future market space is huge.

This technology solves the problem of mass production of sulfide solid electrolytes and currently holds a leading position in the industry. The product has been tested and verified by multiple mainstream battery companies, and the effect is good; in addition, it is currently applying for 15 core invention patents, possessing independent intellectual property rights and significant technological advantages and core competitiveness.

3. Financing Needs and Financing Purposes

The project is planned to raise 1 million yuan, mainly for equipment upgrading to improve production and quality, and secondly for intellectual property layout.

In the first year, it will design and customize a set of second-generation synthesis equipment based on the existing pilot production line to achieve a production capacity of 2 kilograms per set and batch, and apply for no less than 15 core patents to form the enterprise standard for sulfide solid electrolytes;

The second year: The equipment is stable and reliable, with an annual output of no less than 1 ton, a production value of 15 million yuan, and no less than 10 authorized invention patents;

In the third year, the market share of solid electrolyte products shall not be less than 70%, and the company’s technology and production capacity shall reach the leading level in the industry; it will further develop the practical and feasible equipment scaling up technology plans, forming an annual production capacity of 500 tons; it will be declared as a high-tech enterprise in Jilin Province and prepare to formulate the industry standards for sulfide solid electrolytes.

4. Analysis of Technical Achievements and Benefits

4.1 Economic benefits

Based on the types of products currently being tested in the company, market expectations, and the future prospects of sulfide all solid state batteries. If the entire solid-state battery industry chain is formed, the market penetration rate will reach 10% of the current power battery, and the annual production value will reach over 100 million yuan.

4.2 Social benefits

The construction of the project is in line with industrial policies and the company’s development direction. After the project operation, it can not only bring substantial profits to enterprises, increase the local fiscal revenue, but also play a positive role in promoting the regional economic growth. At the same time, the technical conditions, resource conditions, external collaboration conditions, transportation conditions, and environmental conditions for the project operation are all guaranteed, and it has good social benefits.

5. Contact Method

Contact person: Wang Jinxian

Tel: 18686684860