High density electrode and battery using the electrode
OwnerAkinori Sudoh, Masataka Takeuchiinventors
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Abstract
The invention relates to a high-density electrode, comprising an electrode active substance and carbon fiber having a filament diameter of 1 to 1,000 nm, wherein the porosity of the electrode is 25% or less. According to the invention, electrolytic solution permeability and electrolytic solution retainability, which are matters of importance in realizing a high-density electrode for achieving a battery having a high energy density, can be improved.
Claims37
A high-density electrode, comprising an electrode active substance and carbon fiber having a fiber filament diameter of 1 to 1,000 nm, wherein the porosity of the electrode is 25% or less.
A lithium battery electrode having high electrolytic solution permeability, containing a carbon fiber having a filament diameter of 1 to 1,000 nm in an amount of 0.2 to 20 mass %, and the electrode having a capacity density of 100 mAh/g or higher.
Dependencies are inferred from the claim text.