Electrochemical composition and associated technology
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United States of America Patent
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Aug 26, 2014
Grant Date -
Jun 13, 2013
app pub date -
Feb 11, 2013
filing date -
Mar 19, 2009
priority date (Note) -
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Abstract
A composition including a first material and a metal or a metal oxide component for use in an electrochemical redox reaction is described. The first material is represented by a general formula M1xM2yXO4, wherein M1 represents an alkali metal element; M2 represents an transition metal element; X represents phosphorus; O represents oxygen; x is from 0.6 to 1.4; and y is from 0.6 to 1.4. Further, the metal or the metal oxide component includes at least two materials selected from the group consisting of transition metal elements, semimetal elements, group IIA elements, group IIIA elements, group IVA elements, alloys thereof and oxides of the above metal elements and alloys, wherein the two materials include different metal elements. Moreover, the first material and the metal or the metal oxide component are co-crystallized or physically combined, and the metal or the metal oxide component takes less than about 30% of the composition.
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