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Hydrogen-containing transition metal oxide, preparation method and primary battery

A transition metal and oxide technology, applied in the field of materials, to achieve the effect of enriching physical states and physical property regulation

Active Publication Date: 2018-05-29
TSINGHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In the traditional scheme, there is not a hydrogen-containing transition metal oxide that can achieve three-phase change and a method for regulating the hydrogen-containing transition metal oxide to achieve a three-phase phase change.

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  • Hydrogen-containing transition metal oxide, preparation method and primary battery
  • Hydrogen-containing transition metal oxide, preparation method and primary battery
  • Hydrogen-containing transition metal oxide, preparation method and primary battery

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Embodiment Construction

[0048] In order to make the object, technical solution and advantages of the present invention more clear, the hydrogen-containing transition metal oxide and the preparation method thereof of the present invention will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0049] An embodiment of the present invention provides a hydrogen-containing transition metal oxide that can realize three-phase phase transition control. The structural formula of the hydrogen-containing transition metal oxide is ABO x h y , wherein A is one or more of alkaline earth metals and rare earth elements, B is a transition metal element, the value range of x is 1-3, and the value range of y is 0-2.5. Where A and B are in ABO x h y The ratio in is not necessarily strictly 1:1, and can deviate due to the...

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Abstract

A hydrogen-containing transition metal oxide is characterized in that the hydrogen-containing transition metal oxide has a structural formula of ABOxHy, wherein A is one or more of alkaline earth metal elements and rare earth metal elements, B is one or more of transition metal elements, and the value of x ranges from 1 to 3, and the value of y ranges from 0 to 2.5. The present invention further provides a primary battery using the hydrogen-containing transition metal oxide as an electrode and a preparation method of the hydrogen-containing transition metal oxide.

Description

technical field [0001] The invention relates to the field of material technology, in particular to a hydrogen-containing transition metal oxide, a preparation method and a primary battery. Background technique [0002] Traditional methods of hydrogenating oxides are realized by thermal methods, such as through some hydrides (CaH 2 , NaH) to reduce the oxide. These H ions will replace O in oxides to form H-M bonds (M: transition metal). Since H-M bonds are shorter than M-O, these hydrogenated oxides are characterized by a decrease in lattice volume. The hydrogenation of transition metal oxides can firstly change its structural phase; secondly, it will change the electrical or magnetic properties of the material along with the doping of electrons or holes. In addition, the oxygen in the oxide is sometimes taken away during the hydrogenation process, and it becomes some oxygen-deficient phases. By the method of hydrothermal reduction, some hydrogen-containing oxides have bee...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M4/48H01M6/00
CPCH01M4/48H01M6/00Y02E60/50H01M6/04H01M2004/027H01M4/52C01G51/04C01P2002/34C01P2006/40H01M4/485H01M4/9033
Inventor 于浦鲁年鹏吴健周树云
Owner TSINGHUA UNIV
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