Trade News

24 2月

Research on vanadium nitride capacitor materials has made progress

Zhu Xuebin, professor of Functional Materials Physics and Devices, Institute of Solid State Physics, Hefei Institute of Physical Science, Chinese Academy of Sciences, has recently made progress in the research of vanadium nitride (VN) supercapacitor materials. The researchers prepared porous VN films on silicon substrates by solution method, which showed excellent supercapacitor performance. Relevant research results show that Solution-processable hierarchical-porous vanadium nitride films on Silicon substrates for highly efficient Symmetric supercapacitors, published in The Journal of Power Sources. VN is [...]

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03 1月

Lithium metal battery with flexible Lithium lanthanum zirconium oxygen LLZO electrolyte sheet

Researchers at Tokyo State University have developed a new method for preparing flexible ceramic electrolyte sheets for lithium-metal batteries. They mixed garnet ceramics, polymer binders and ionic liquids to produce a quasi-solid, flake electrolyte. The synthesis is performed at room temperature, requiring much less energy than existing high-temperature (>1000°C) processes. It can operate over a wide temperature range and is a promising battery electrolyte for, for example, electric cars. Fossil fuels account for most of the world’s energy needs, including [...]

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30 8月

Sinomineral resources is an important supplier of Cesium iodide to Yirui Technology

Yirui Technology co., LTD is a digital X-ray detector manufacturer, which is guided by the technological development trend of the whole industrial chain and the technical level is in line with international standards. It is mainly engaged in the research and development, production, sales and service of digital X-ray detectors. Its products are widely used in medical diagnosis and treatment, industrial nondestructive testing, security inspection and other fields. Digital X-ray detector is a typical high-tech product, which belongs to the [...]

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14 11月

Less than 10,000 tons a year worldwide,High performance aluminum nitride powder is difficult to produce,why?

Aluminum nitride (AlN) ceramics have good thermal, electrical, mechanical and chemical stability, and are now more ideal substrate materials and electronic packaging materials. The excellent performance of AlN ceramics is directly related to the performance of raw material powder, and the high performance AlN powder is the key to prepare high thermal conductivity AlN ceramics. In foreign countries, the manufacturing process of AlN powder has been quite mature and the commercialization degree is also very high. Previously, according to the [...]

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09 10月

Sodium titanate holds graphene together to create a high energy, high power micro capacitor

With sea urchin sodium titanate as the negative pole and porous activated graphene as the positive pole, what kind of “spark” will be generated when they combine? According to the dalian Institute of Chemical Physics, Chinese Academy of Sciences, wu Zhongshuai’s team and Bao Xinhe’s team worked together to combine “sea urchins” with graphene to develop flexible sodium ion micro-supercapacitors with high energy density and high heat resistance. Micro miniature sensors, micro robot, the power supply system is inseparable from [...]

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24 7月

The resonance level improves the thermoelectric properties of germanium telluride

Recently, the team of Professor Zhang Wenqing, Institute of Materials Genome Engineering, Shanghai University, and Professor Jihui Yang, Department of Materials Science and Engineering, University of Washington (click to view the introduction) cooperated with the research team of GeTe thermoelectric materials, following the basic ideas of materials genome science, integrated material calculation, material preparation and material characterization. The first principle method is used to calculate the electron energy band and electron energy state density of GeTe high and low [...]

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05 6月

Vanadium dioxide — a revolutionary material for the future electronics industry

Because of its unique properties, vanadium dioxide has become an ideal choice to replace silicon for a new generation of low-power electronic devices. Swiss researchers recently demonstrated the application of vanadium dioxide to aerospace communications (600677) systems to achieve programmable rf electronics, highlighting the oxide’s potential. Vanadium dioxide has phase transition characteristics and forms that can be converted between an insulator and a metal, acting as an insulator at room temperature and as a metal conductor above 68 degrees Celsius. [...]

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08 4月

The first nanometer niobium oxide production line in China was put into operation in phase I with an annual output of 100 tons

Source: powder circle (www.360powder.com) – the circle of business and life of people in the powder industry! On April 26, shandong haiyan rare metal materials co., ltd. completed the first phase of the production line of rare metal special nano niobium oxide new material in China. After the production capacity reaches the standard, it can produce 100 tons of niobium nano-oxide material annually. Source: powder circle (www.360powder.com) – the circle of business and life of people in the powder industry! There [...]

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13 2月

Hydroxyapatite-“Stand-in” for New Century Bone

Due to the effects of diseases, aging, and frequent traffic accidents, the number of cases of bone injury has increased year by year. According to statistics, there are 3 million orthopedic cases in China every year, so the demand for bone substitute materials is increasing. In recent years, bone substitute materials represented by hydroxyapatite have gradually become the darlings of clinical application. Hydroxyapatite is the main component of vertebrate bones and teeth, and has good biological activity and biocompatibility. Compared [...]

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28 6月

Shanghai silicate institute has made progress in the research of BiVO4 based photoanode materials

Solar photoelectric chemistry (PEC) cracking water is an effective method to convert solar energy into hydrogen energy. Among many semiconductor photoanodes, BiVO4 is an excellent photoanode material due to its suitable conduction band, valence band position and forbidden band width. BiVO4 has a light absorption edge of 515nm and a theoretical maximum photocurrent density (Jmax) of 7.5ma cm-2 under AM1.5 sunlight. However, the actual photodecomposition hydroelectricity current density (JH2O) is much lower than its theoretical value, mainly because BiVO4 [...]

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