JiaoJun Tang

(1)New electrochemical plateau development such as high energy density, fast charge, low temperature discharge, high temperature storage and so on. (2)New materials research for high energy desensity application such as new binder, new conductive carbon, new electrolyte additive and so on. (3)stablish and promote the implementation of sampling inspection specifications for mass production of batteries. (4)Product platform, product development, and development of new materials and new process technologies;

1. Development of battery chemistry and mechanical raw material supply chain; 2. Product platform, product development, and development of new materials and new process technologies; 3. Customer needs, customer review and audit coordination, after-sales technical support, etc; 4. Coordination of intangible assets, application, operation, defense, and acceptance of internal and research platforms projects.

1.Mainly responsible for the front-end import and evaluation of power battery materials for electric buses and coaches, as well as the establishment, planning, construction, and operation of laboratories 2.Responsible for developing material suppliers, providing technical guidance to suppliers to improve and introduce materials into mass production. 3.Establishing a laboratory with 5 functional modules (1800 square meters) covering raw material and chemical testing, battery cell and pack testing projects, electrical, safety and reliability, customized DV/PV testing fields; The ISO/IEC 17025 system is in operation and successfully passed CNAS certification in August 2018, obtaining the certificate; Cultivate a team, introduce dozens of testing methods and international testing standards, and develop corresponding testing fixtures and jigs; Responsible for the internal and external certification and communication coordination of the entire offline testing of battery cells and packs, as well as national inspection and announcement testing; 4.Establish and be responsible for the internal team of the company to conduct industry patent layout analysis, as well as the analysis, writing, layout, application, and examination of all innovative patents within the company. 5.The main document work, process sorting, task management, organization and implementation of the fourth batch of enterprise directory for applying for the "Standardization Conditions for Automotive Power Battery Industry", mining product safety signs of the National Mining Product Safety Mark Center, high-tech enterprises, provincial major science and technology projects, national key research and development plans, etc. shall refer to the National Strong Inspection Center.

Development of NCM 523 material platform products: Developing new types of ternary material products with high safety and energy density of up to 180-200 Wh/kg. By guiding raw material suppliers to improve the surface state of materials and other characteristics to achieve long cycle and high safety battery cells, it has been mass-produced and supplied to a customer's passenger car system model at home and abroad.

1.The pre production process optimization rate of mass-produced lithium iron phosphate battery cells has increased from 82% to over 97.5%. By improving the slurry mixing process and coating speed ratio, the adaptability of the positive and negative electrode slurry has been enhanced to reduce film coating defects; 2.Pioneering the idea of parallel coating of conductive and insulating layers and guiding the production, verification, and improvement of fixtures, the coating efficiency has been increased by 50%.

1.The modification of lithium iron phosphate improves capacity 2.Pioneering the theoretical calculation of phosphorus iron carbon content to guide practical production 3.Research and development of layered lithium manganese oxide cathode material

1.Preparation and electrochemical study of three-dimensional ordered macro porous SnO2 material for lithium ion batteries [J]. Nanoscience Nanotechnology Letters, 2012, 4: 185–190. 2. A porous vanadium pentoxide material and its electrochemical properties in aqueous electrolyte [J]. Functional Materials Letters, 2011, 4(1): 61-64. 3. Nanometer Cr2O3-doped MnO2 spheres for rechargeable lithium batteries [J]. Journal of Solid State Electrochemistry, 2010, 14(6): 1007-1011. 4. Cyclic improvement of LiNi0.5Mn1.5O4 polyhedral spinels for 5.0V lithium ion batteries [J]. Functional Materials Letters, 2010, 3(1): 185-188. 5. A phase-inversion process to prepare porous LiAl0.1Mn1.9O4 spinel for aqueous rechargeable lithium batteries[J]. Microporous and Mesoporous Materials, 2012, 162: 44-50. 6. Effect of Al-doping on the electrochemical properties of a three-dimensionally porous lithium manganese oxide for lithium-ion batteries[J]. Electrochimica Acta, 2012, 75: 115-122.