Yanxing Testing
Yanxing Testing
Committed to becoming a leader in the field of new energy testing

Focus on the testing and analysis of physical and chemical properties such as microscopic morphological composition and structure of new energy materials, comprehensive physical and chemical performance analysis of lithium battery materials, benchmarking analysis of battery cells and materials, failure analysis and industrial diagnosis of battery cells and materials, etc.

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About Yanxing Testing

Fair, honest, professional and efficient

suzhou research new detection technology co., ltd. is a high technology service enterprises, located in suzhou, jiangsu. At present, the company in the field of new energy customer demand, market-oriented, comprehensive layout, built a set of core research and development trial production, test analysis, failure analysis, new method development as one of the research and development technology service platform.
At present, the company provides technical services such as testing and analysis of physical and chemical properties such as microstructure composition and structure of new energy materials, comprehensive physical and chemical performance analysis of lithium battery materials, benchmarking analysis of battery cells and materials, failure analysis and industrial diagnosis of battery cells and materials, thermal safety test of lithium batteries, electrochemical performance and safety test of lithium batteries, development of customized testing methods, research and development and trial production of batteries (soft bags/cylinders/square shells), etc. The customers served cover the entire industry chain of consumer electronics, power and energy storage batteries, including raw materials, materials, equipment, batteries, PACK systems and new energy vehicle companies, as well as scientific research institutions and government departments at different levels.

Main test business

Committed to becoming a leader in the field of new energy testing and a trusted testing enterprise

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Testing Service-Morphology

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Testing Service-Composition

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Testing Service-Performance

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Testing Service-Safety

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Testing Service-Thermal Analysis

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Competitive Analysis-Flow Chart

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X-ray photoelectron spectroscopy (XPS)

XPS element fine spectrum can analyze the chemical state of different electrode material elements after charge and discharge cycle, and analyze its reaction mechanism.

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News

Solid-state batteries—from basic research to industrialization

Solid-state batteries—from basic research to industrialization

Liquid lithium-ion batteries have been the main energy storage technology since their first commercialization in 1991, but they are now gradually approaching their energy density limit and have certain safety hazards. In recent years, solid-state lithium batteries (SSLBs) using solid electrolytes (SEs) have been widely regarded as the key to the next generation of energy storage technology due to their advantages such as high safety, high energy density, long cycle life, good rate performance and wide operating temperature range. However, despite the rapid development of solid-state batteries in recent years, their practical application is still hindered by many problems, and the industrialization process of solid-state batteries has been advancing in twists and turns. In view of this, Wu Fan's team at the Institute of Physics, Chinese Academy of Sciences focused on issues related to solid-state batteries, comprehensively analyzed the research progress of several typical and excellent solid electrolytes, and discussed in detail the lithium ion transport mechanism in various SEs. Subsequently, the interface challenges between Li metal anodes and high-voltage oxide cathodes and SEs and the corresponding feasible strategies were discussed in depth. In addition, in order to better construct practical high-energy density SSLBs, this paper analyzes the advantages of using SE films and discusses in detail the feasible manufacturing methods of self-supporting SE films. In addition, this review comprehensively sorts out the industrialization progress in the field of SSLB for the first time. This paper systematically summarizes the research papers, patents, government policies and industrialization process of SSLBs in different countries and regions. Finally, based on the above points, the future research direction and prospects of high energy density SSLBs are proposed. In summary, this paper comprehensively discusses solid-state batteries from three levels (i.e., materials, interfaces and full batteries).

2024/01/07

Lithium battery failure analysis and scientific research progress

Lithium battery failure analysis and scientific research progress

The electrochemistry and safety performance of lithium-ion batteries are closely related to the characteristics of their materials, pole pieces and battery levels. Revealing the multi-level failure mechanism of energy storage lithium-ion batteries can provide guidance for the design optimization and use control of energy storage lithium-ion batteries. This article takes the widely used lithium iron phosphate energy storage battery as an example. Starting from the material, pole piece, and battery levels, it reviews its common failure modes and the corresponding failure mechanisms and characterization analysis techniques. In this article, multi-level failures include The structure, composition and surface interface failure of the positive and negative electrode materials as well as the failure of the electrolyte and separator; the failure of lithium evolution, porosity, peeling and non-uniform polarization of the pole piece; the failure of gas production and thermal runaway of the battery. Finally, the future storage We look forward to energy failure analysis technology, including the application of advanced characterization technology, standardized failure analysis processes, etc. We hope to play a positive role in promoting the development of energy storage lithium battery failure analysis technology.

2024/01/05

Research progress on electrochemical stability of sulfide solid electrolytes

Research progress on electrochemical stability of sulfide solid electrolytes

New energy vehicles are currently a pillar industry that my country prioritizes for development and an important direction for national science and technology and industrial development. They bear multiple responsibilities such as ensuring national energy security, reducing environmental pollution and rapid development of the automobile industry. The "Energy Saving and New Energy Vehicle Industry Plan (2011-2020)" formulated by our country points out that pure electric vehicles and hybrid vehicles are important directions for future development, and power batteries are the key technologies. The Ministry of Industry and Information Technology, together with the National Development and Reform Commission, the Ministry of Science and Technology, the Ministry of Finance and other relevant departments jointly issued the "Action Plan to Promote the Development of the Automotive Power Battery Industry" on February 20, 2017, clearly proposing that by 2020, new lithium-ion power batteries The specific energy of the single unit exceeds 300 W·h/kg, and the system specific energy strives to reach 260 W·h/kg, with the cost reduced to less than 1 yuan/W·h; by 2025, the new system power battery technology will make breakthrough progress. The body specific energy reaches 500 W·h/kg.

2024/01/04

In situ formation of stable interfaces in solid-state batteries

In situ formation of stable interfaces in solid-state batteries

Although solid polymer electrolytes (SPEs) offer advantages such as safety, flexibility, and processability, their applications are still inherently limited by the instability of the lithium/electrolyte interface.

2024/01/01

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