Metal air secondary battery
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United States of America Patent
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Nov 11, 2014
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N/A
app pub date -
Jul 2, 2010
filing date -
Jul 2, 2010
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Abstract
An object of the invention is to reduce the charging overvoltage by using a positive electrode member which does not contain a carbon material that causes the generation of lithium carbonate (Li2CO3), and which comprises a metal porous material, thereby suppressing the formation of lithium carbonate (Li2CO3). The metal air secondary battery of the invention is characterized by having a negative electrode member which has metal ions occluded therein and emits metal ions, a positive electrode member which ionizes oxygen, and a separator which is impregnated with an electrolyte and disposed between the negative electrode member and the positive electrode member, wherein the carbon weight in the total weight of a carrier, a catalyst, and a binder constituting the positive electrode member is 50% or less.
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