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“The key preparative technique and application development of late-model hydrogen storage material Project” qualified in the control reception of Ministry of Science and Technology

Source:Rare earth of China Date:2015-06-01

    In 5th. September, the experts from the High tech R&D Center of Ministry of Science and Technology attended the “The key preparative technique and application development of late-model hydrogen storage material”control receptionmeeting in Xiamen, which was held by Xiamen Tungsten Co., Ltd. In the meeting, the deputy director of Fujian Institute of material structure, Mr. Lin Wenxiong and other five experts briefed the work report and reviewed the relevant files. After the site inspection, they confirmed and agreed that the project accomplished all the research assignment and clears all inspection.

    This project took three years to develop the hydrogen storage alloy whose main components are La/Ce/Sm/Y with the feature of high-performance, low self – discharge and high – capacity. This project realized the exact control on Mg content and phase structure by breakthrough Controllable atmosphere melting, Melt velocity coagulation and obfurage heat treatment technology barrier. The maximum discharge capacity of the low self-discharge type of rare earth magnesium based hydrogen storage alloys is 350mAh/g, 1C cycle life is 740times, and heavy drain capability HRD900 is 87%. The maximum discharge capacity of the high capacity rare earth magnesium based hydrogen storage alloys is 395mAh/g, and the capacitance is 62% after 500time 1C cycle, and the heavy drain capability HRD900 reaches 88%. During the implementation of the project, there were in total 21 patent of invention created and 40 thesis were published.

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