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OXYGEN EXCESS TYPE METAL OXIDE AND PRODUCTION METHOD THEREFOR, AND OXYGEN CONCENTRATION APPARATUS A 发明申请

2022-12-31 2050 127K 0

专利信息

申请日期 2025-07-20 申请号 JP2016071035
公开(公告)号 JP2016193815A 公开(公告)日 2016-11-17
公开国别 JP 申请人省市代码 全国
申请人 MITSUBISHI CHEMICALS CORP; HOKKAIDO UNIV
简介 PROBLEM TO BE SOLVED : To provide novel oxygen excess type metal oxide excellent in oxygen adsorption and desorption speed and having suppressed reduction of oxygen adsorbed amount caused by repeated use, a production method therefor or the like. SOLUTION : There is provided oxygen excess type metal oxide which is represented by a formula (1) and in which peak strength of 103 of a hexagonal structure is smaller than peak strength of 110 and half value width of peak of 103 (FWHM) is 0.3° or more when measured by an X-ray powder diffraction method. AjDkEmGnO7+δ (1), where A is a trivalent rare earth element or Ca, D is one or more kind selected from alkali earth metal elements, E and G are each independently one or more kind selected from oxygen tetracoordination element and at least one kind is a transition metal element, j>0, k>0, each independently m≥0, n≥0, j+k+m+n=6 and 0<δ≤1.5. SELECTED DRAWING : Figure 1 COPYRIGHT : (C)2017, JPO&INPIT


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