Secondary battery using lithium
AssigneeCanon Kabushiki Kaisha
InventorsSoichiro Kawakami, Naoya Kobayashi
Life of this patent
Estimating the term…
Abstract
The present invention is directed to provide a secondary battery using lithium which includes at least a negative electrode, a positive electrode, a separator provided between said negative electrodes and said positive electrode, and an electrolyte, wherein at least either of said negative electrode or said positive includes an active material having porous hollow structure as a host for intercalating/deintercalating guest lithium ion. The secondary battery shows high electric capacity, high charging/discharging efficiency, high energy density, and long cycle life.
Claims14
A secondary battery using lithium comprising at least a negative electrode, a positive electrode, a separator provided between said negative electrode and said positive electrode, and an electrolyte, wherein at least either of said negative electrode or said positive electrode comprises an active material having a porous hollow structure, wherein said porous hollow structure comprises an outer shell surrounding a hollow core section and a plurality of pores each extending completely through said shell to communicate with said hollow core section.
Dependencies are inferred from the claim text.