"2013 China Top Ten Technology News Rare Earth" award announced

Sponsored by the China Rare Earth Rare Earth Information Center and the National Information Network , Information Professional Committee of Chinese Society of Rare Earths , Chinese Society of Rare Earths professional technical and economic committee , the rare earth industry in North Productivity Promotion Center and the "rare earth information", " rare ", " rare earth market ", "China rare Earth Information "," China rare Earth "Web site and other media co- named" 2013 China Top Ten rare Earth Technology News "recently announced. The rare earth selected the top ten science and technology news from 2013 the mainstream media reported , occurring in the country of more than 150 pieces of rare earth technology news candidate elected in a vote .

1 . " NdFeB grain boundary tissue remodeling and low-cost production of high-performance magnet key technology" for 2013 Annual National Technology Invention

Zhejiang University tight, Loewe , WMA and Zhejiang Innuovo Magnet Co., Ltd. Fanxiong Fei , " NdFeB grain boundary tissue remodeling and low-cost high-performance magnet宁波科宁达Industry Co., Ltd. and other cooperative completed姚宇良production of key technology " for 2013 annual National technology Invention .

The main innovations of the project include : Zhejiang University, led by Professor Yan Mi magnetic innovation team, originality proposed boundary tissue remodeling technical ideas , design and synthesis of new grain boundary phase , to replace the traditional production process naturally rich grain boundary neodymium phase , the development of new grain boundary phase NdFeB new materials have different performance characteristics ; breakthrough new grain boundary phase component design, based on key technologies such as new alloy sintering and heat treatment of grain boundary phase were developed neodymium high intrinsic resistance to corrosion iron boron rare earth new materials and low weight high coercivity NdFeB materials and new production technologies , and cooperative enterprises accelerating co-innovation and integration with rejection - hydrogen explosion - Jet Mill - magnetic pressure molding - saving sintering - post-processing production the key process technology and equipment to break through the low-cost high-performance NdFeB core production technology , the establishment of high quality, high consistency NdFeB production of complete sets of energy-saving technology . Research and development of new materials have different performance characteristics , a substantial increase in corrosion resistance , toughness improved significantly, saving valuable rare earth resources , dramatically reducing the cost of production , breaking the Japan-US high-end rare earth permanent magnet market monopoly .

Item 18 invention patents , utility model patents authorized three , two patent application PCT published a book , published dozens of papers , the results overall reached the international advanced level, some reached the international advanced level.

2 . " High-end applications and large-scale preparation of rare earth phosphor technology," the acceptance by Ministry of Science and Technology

April 18, 2013 , Ministry of Science and High Technology Research and Development Center of Peking University, Yan Chunhua organized by the Academy of Sciences, Tsinghua University Professor Pan Feng inspection team composed of experts and other major projects of National 863 Program " rare earth materials preparation and application of advanced technologies " & ldquo ; -end applications and large-scale preparation of rare earth phosphor technology "project in Xianyang technical acceptance.

The issue by the company as a support unit for the Rainbow Group , a joint rainbow fluorescent materials company, Beijing Institute of Rare Earth New Materials Co., Ltd. , Zhongshan University, Chinese Academy of Sciences , Changchun Institute of Applied Chemistry , Changchun Institute of Optics, Fine Mechanics and Physics , Rising Nonferrous Metals Ltd. and other six units of shared responsibility .

Acceptance Group believes that the composition of the Task Force through the optimization and synthesis conditions breakthroughs developed aluminate , nitrides, oxides of nitrogen and other systems and the balance of 10 LED with a phosphor -scale preparation technology , developed five kinds of common type and a wide color gamut CCFL phosphor type and scale preparation technology , developed five models and efficient 3D-PDP phosphor, built with an annual output of 200 tons CCFL phosphors and phosphor annual output of 500,000 tons production line of LED related product development in 2012 the output value of over 140 million yuan , the Chinese invention patent application 20 , PCT patent 3 , published 29 . After listening to the reports Project Leader , reviewing relevant documents and on-site visits, the Group believes that the subject of the contract to complete the research , to the assessment of the technical indicators , it was agreed that the issue through technical inspection.

The implementation of the subject, has developed a series of advanced high-end rare earth fluorescent material , forming a network with independent intellectual property patents promote the development of China's lighting and fluorescent materials in and improve our position in this field and promote the field of rare earth luminescent materials innovation and progress, and accelerate the country CCFL, LED, 3D display phosphors localization application process , improve the added value of China's rare earth phosphor and production enterprise core competitiveness of rare earth oxide products.

3 . " Hot -scale preparation of rare earth permanent magnet key technologies " through acceptance

March 29, 2013 , organized by the Ministry of Science , Shanghai Jiaotong University Professor Hu Wenbin , Zhong Ke San Huan Hubo Ping researcher , Professor Shu Kangying China Institute of Metrology , Professor Guo Yun East China University of Technology, Ningbo Yunsheng Hi-Tech senior engineer Zhang Min expert group of 863 major projects CAS Ningbo materials , steel Research Institute , Rooster magnetic Co. , CAS Shenyang metal , Zhejiang University, Beijing University and other six units of shared issues " hot rare earth permanent magnet scale Preparation key technology "for the on-site technical inspection.

After listening to the reports , field trips and that a question , the panel agreed that the successful completion of the research topic under the contract , to the assessment of the technical indicators agreed through technical inspection.

The issue in December 2010 officially launched two years. After two years of hard work group members and co-operation , the research group has successfully solved the problem of uniformity of thermal deformation and cracking of the magnet , greatly improving the efficiency of energy product as well as the preparation of the magnet , on the basis of the provisions of the contract to complete four 17 performance categories magnets built industrialization demonstration line with an annual output 100,000 radiation oriented permanent magnet ring. Related magnetic products through the trial after the user has been recognized and praised. In support of this topic , the project team has trained four post-doctoral , doctoral and 11 master's 8 , 15 published papers , applications for invention patents 9 .

4 Baotou Rare Earth Research Institute magnetic refrigeration technology has made great progress

Room temperature magnetic refrigeration technology is a new refrigeration technology , and compared to conventional gas refrigeration technology with high efficiency , energy saving, environmental friendliness , the world attach great importance to research and development of room-temperature magnetic refrigeration technology . France , UK, USA , Germany, Netherlands, Japan, Brazil, etc. in the development of practical magnetic refrigerator .

Baotou Rare Earth Research Institute in the field of magnetic refrigeration at room temperature has been carried out over ten years of research work and achieved some results in the preparation of magnetic refrigeration materials , magnetic systems and magnetic refrigerator design and other production , domestic and foreign peer recognition.

2013 Baotou Rare Earth Research Institute of magnetic refrigeration technology , in terms of material master kilograms La department , batch preparation and La- Gd -based materials and various forms of magnetic working fluid absorption and desorption of hydrogen control processes. The redesigned room temperature magnetic refrigerator , connection 4L, 50L and 70L test results workspace ideal . Where space has been under 4L cans of beer can be cooled from room temperature (24 ℃) to 7 ℃, after testing two large-capacity workspace shows a larger increase potential. The latest generation of magnetic refrigerator is close to practical, is currently working with companies to jointly develop practical room temperature magnetic refrigerator . The project technology is patented 8 , authorized 6 , published more than 40 papers .

5 Preparation of ultra-high purity rare earth breakthrough

Ultra- pure high-tech research and development of rare earth metals is a key raw material , technology and equipment for the preparation of ultra- pure rare earth metals is currently no . To meet the advanced features of high-purity inorganic materials research reagents and other high-end applications, Institute of Rare Earth New Materials Co., Ltd. in the " Twelfth Five-Year " period has been committed to the development of rare earth deep purification technology , a major breakthrough in 2013 , successfully obtained more than 10 kinds of ultra-high purity rare earth metals . Total 75 kinds of impurities ( including C, H, O, N four gases impurities ) is less than 100ppm, the absolute purity of > 99.99%, and the relative purity of 99.999% , and the " fifth" period comparative product purity increased nearly two orders of magnitude , and even some of the indicators have reached the international advanced level exceeded .

The research team developed an ultra-high vacuum distillation furnace , ultra-high vacuum furnace electromigration , ultra-high vacuum cold crucible furnace area of high-performance equipment , such as localization , precise control and achieve maximum process temperature and vacuum automation and other key technical parameters ; development the low-temperature solid-liquid reduction - distillation - one-step preparation of high purity molten metal technology , low oxygen purity fluoride preparation techniques ; trial found a gap in the rare earth impurities exist in different crystalline state diffusion rate significantly different techniques to find the electromigration the core control elements ; introduced 1T external magnetic field and pulsed currents forced to intervene on the migration process , greatly improve the purification efficiency ; research team ultrahigh vacuum distillation / sublimation , electron beam bombardment, levitation melting , solid state electro-migration , regional smelting optimize the integration of a variety of purification techniques to obtain a complete , apply in addition to the preparation of all rare earth 4N -level technical route promethium outside .

The key problem of many technological breakthroughs 4N grade ultra-pure rare earth metals prepared to change the application of high- value-added products such kinds of situation over the years , built the first domestic annual production capacity of 10 tons of ultra-pure rare earth metals test line. Complete technical eight national invention patent applications , PCT international patent 4 .

6 controllable light-emitting Yu Huishou life LED light rare earth materials research and application projects reached the international advanced level

June 16, 2013 , by the 10 Chinese Academy of Sciences , Chinese Academy of Sciences identified group of two National Natural Science Foundation of three industry leaders and experts of Changchun Institute of Applied Chemistry, in collaboration with the R & D Co., Ltd. , Sichuan Sony source " controllable light-emitting余辉寿life LED light rare earth materials research and its applications " in the semiconductor lighting were achievements. Chinese Academy of Sciences identified through the identification of the group agreed , and that the project in rare earth luminescent materials and the global semiconductor lighting technology has made a major breakthrough , original rare earth luminescent materials effectively solve the problem of AC LED strobe lighting equipment International has been unable to break through ; the outcomes achieved from basic research to industrial leap , reached the international advanced level , making China the only country in the world to master low strobe AC LED products through the production of rare earth phosphors . Promote the use of the technology will effectively extend the service life of AC LED lighting , reducing energy consumption and better lighting equipment .


7 China has independently developed a new series of high-performance solar cells for light rare earth luminescent material converts

Near the red conversion materials in solar energy utilization and improve the photoelectric conversion efficiency of solar cells and other cutting-edge technologies have important applications . In traditional light conversion material development , based on the School of Chemistry and Chemical Engineering, efficient system proposed three kinds of broadband near-infrared light absorption characteristics of novel luminescent material conversion design ideas , develop a broad -based multi- band mode and sensitization high absorption efficiency of conversion of light rare earth powders , films and glass materials ; successfully resolved near infrared down conversion of traditional materials prevalence of violet - blue region of the visible light absorption of narrow photon emission intensity weak near-infrared light and other major single conversion mode problems. It will greatly facilitate the efficient use of sunlight for silicon solar cell efficiency and enhancement of new rare-earth phosphor conversion luminescent materials research for the next generation of solar cells convert light rare earth reserves technology industry , and ultimately the rare earth resource advantages into economic advantages of high value-added transformation.

The series of rare earth light conversion material has been authorized a total of two Chinese patents , reporting and international PCT patent a total of four Chinese patents .

8 new white LED phosphor -made a major breakthrough

Beijing Nonferrous Metal Research Institute of Rare Earth New Materials Co., Ltd. with the support of 863 countries and other major projects , the development of low-cost metal reduction rate of the dynamic regulation of advanced technology , high-performance low-cost preparation series aluminate phosphor and green nitride red phosphor, luminous efficiency of more than 20% luminous efficiency white LED packages greater than 140 lm / W (Ra> 70), the product performance in the domestic and international advanced level ; develop a nitrogen oxide with completely independent intellectual property rights green phosphor material , is expected to exceed foreign core patents. China has reported 35 invention patents (authorization 17 ) , Group 6 30 foreign patents (authorization 7 ) .

Grirem preparation using advanced technology developed independently , have developed 40 models of white LED with yellow , green and red phosphors and successfully to market. 2013 Grirem white LED phosphor output, output value and profits for four consecutive years of double Intematix domestic market share ranked second after the United States , is the first brand of domestic white LED phosphors in the LED industry authority Annual Award LED phosphor field reelection highest award - the Golden Globe Engineering , and two successive Zhongguancun semiconductor lighting industrial technology alliance "outstanding innovative products Award ."

9 largest rare earth materials in the test base in Baotou Rare Earth Research Institute completed

Baotou Steel Rare Earth ( Group ) Company of rare earth materials in the test base project total investment 79.73 million yuan , construction area of ​​9,082 square meters , is the largest rare earth materials in the test base .

Pilot experiment base of rare earth materials for the realization of projects of rare earth magnesium alloys , high purity rare earth metals, sintered NdFeB magnetic , samarium cobalt permanent magnet materials industry development to provide pilot production line ; provide engineering and industrialization of technological achievements of the rare earth industry the technical basis of production , effectively improve the capability of independent innovation of rare earth industry , enhance the core competitiveness and development potential of rare earth materials industry.

The base in August 2012 in Baotou Rare Earth Research Institute under construction, currently rare earth magnesium alloys and sintered NdFeB magnetic pilot line in the test line was completed equipment installation , commissioning work. Rare earth materials in the test base is the rare earth new materials from the laboratory stage of research results to industrial transformation of engineering verification platform into the base of the experimental pilot project , through tissue engineering verification test pilot , greatly accelerating the industrialization of Rare Earth Functional Materials process and provide the necessary technical support for the ultimate realization of new rare earth materials for industrial production. Meanwhile, pilot base to provide a platform for other scientific research and have good market prospects for China cultivate a group of experts with a high level of rare earth materials and research and development team and produce a rare earth industry in the mainstream direction of research and development projects batch has a significant impact innovations to create good conditions , so as to enhance the overall technological level of the rare earth industry and innovation.

10 . " Very large scale integrated circuit etching machine with high-purity yttrium oxide coating joint research " project passed the acceptance

April 25, 2013 , dominated by the Beijing General Research Institute of Mining and Metallurgy New Material Technology Co., Ltd. North Mine borne by the State Science and Technology Organization of international cooperation projects " very large scale integrated circuit etching machine coated with high-purity yttrium oxide layer of joint R & D "Acceptance will be held in Beijing . The successful implementation of the project , marking the very large scale integrated circuit chip manufacturing equipment, key parts made significant technology achieved a major breakthrough , the success of the chip etching machine with high-purity yttrium oxide protective coating technology development.

New Material Technology Co., Ltd. North mine through the implementation of the project , breaking the preparation of high purity yttrium oxide thermal spray powders , preparation of high purity yttrium oxide coating of key technologies , and joint German GTV Thermal Spray Equipment Engineering Co., Ltd. developed the first domestic set for high purity, high uniformity, high density ceramic coating sprayed yttria dedicated Sanyang level energy plasma spray and supporting systems. The first time in the domestic high-purity yttrium oxide thermal spray powder preparation techniques , preparation of high purity yttrium oxide coating technology and related products. The development of high-purity yttrium oxide powder purity and stability over 99.9wt%, purity and stability of high-purity yttrium oxide coating over 99wt%, reached the advanced level of similar foreign products. Coated products by well-known etching machine manufacturer Beijing North Microelectronics assessment validation, coating plasma etching rate is reduced from 10 to 60% , can completely replace foreign products.

Task Force published a total of eight , five patents . Built the first coating materials for high -purity and high- clean coating processing pilot production line to meet etcher cavity 200 sets / year processing needs , their design ideas can be generalized to the entire thermal spray industry applications .


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