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A platform for research: civil engineering, architecture and urbanism
CERIA, MICROPOROUS LAYER, AND POLYMER ELECTROLYTE FUEL CELL
PROBLEM TO BE SOLVED: To provide: a substituted ceria which has oxygen absorption/emission ability at low temperature compared with a conventional ceria and ceria-zirconia; a microporous layer containing the ceria; and a polymer electrolyte fuel cell comprising the microporous layer.SOLUTION: This invention relates to a ceria having a fluorite-type crystal structure, wherein: some cerium atoms are substituted with atoms of other elements having valency of other than 4; and at least some of the atoms of other elements having the valency of other than 4 are atoms of pentavalent elements.SELECTED DRAWING: Figure 12
【課題】従来のセリア、セリアジルコニアと比べ低温にて酸素吸放出能をもつ、置換されたセリア、該セリアを含有するマイクロポーラス層および該マイクロポーラス層を備える固体高分子型燃料電池を提供する。【解決手段】本発明のセリアは、蛍石型の結晶構造をもつセリアであって、セリウム原子の一部が、価数が４でない他の元素の原子で置換されており、前記価数が４でない他の元素の原子の少なくとも一部が、５価の元素の原子である。【選択図】図１２
CERIA, MICROPOROUS LAYER, AND POLYMER ELECTROLYTE FUEL CELL
PROBLEM TO BE SOLVED: To provide: a substituted ceria which has oxygen absorption/emission ability at low temperature compared with a conventional ceria and ceria-zirconia; a microporous layer containing the ceria; and a polymer electrolyte fuel cell comprising the microporous layer.SOLUTION: This invention relates to a ceria having a fluorite-type crystal structure, wherein: some cerium atoms are substituted with atoms of other elements having valency of other than 4; and at least some of the atoms of other elements having the valency of other than 4 are atoms of pentavalent elements.SELECTED DRAWING: Figure 12
【課題】従来のセリア、セリアジルコニアと比べ低温にて酸素吸放出能をもつ、置換されたセリア、該セリアを含有するマイクロポーラス層および該マイクロポーラス層を備える固体高分子型燃料電池を提供する。【解決手段】本発明のセリアは、蛍石型の結晶構造をもつセリアであって、セリウム原子の一部が、価数が４でない他の元素の原子で置換されており、前記価数が４でない他の元素の原子の少なくとも一部が、５価の元素の原子である。【選択図】図１２
CERIA, MICROPOROUS LAYER, AND POLYMER ELECTROLYTE FUEL CELL
セリア、マイクロポーラス層および固体高分子型燃料電池
SAKAGUCHI SUGURU (author) / KUROZUMI TADATOSHI (author) / OKUNO YOSHINARI (author)
2018-07-05
Patent
Electronic Resource
Japanese
IPC:
C01F
COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
,
Verbindungen der Metalle Beryllium, Magnesium, Aluminium, Calcium, Strontium, Barium, Radium, Thorium oder der Seltenen Erden
/
C01G
Verbindungen der von den Unterklassen C01D oder C01F nicht umfassten Metalle
,
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
/
C04B
Kalk
,
LIME
/
H01M
Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie
,
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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