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AssigneePanasonic Corporation
InventorsMasaki Hasegawa, Yasuhiko Bito
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A composite particle for a lithium rechargeable battery is contained in at least one of a positive electrode and a negative electrode of the lithium rechargeable battery that includes the positive electrode, the negative electrode, a separator, and non-aqueous electrolytic solution. The composite particle contains a conductive agent and an active material that can reversibly store and emit lithium ions. The composite particle is a hollow body formed of an outer wall including the active material and conductive agent, and a cavity capable of retaining non-aqueous electrolytic solution. At least one opening of the cavity that can pass the electrolytic solution is formed in the surface of the composite particle.
A composite particle for a lithium rechargeable battery, the composite particle being contained in at least one of a positive electrode and a negative electrode of the lithium rechargeable battery, and being formed of a hollow body having an outer wall that includes a conductive agent and a plurality of active material particles capable of reversibly storing and emitting a lithium ion,
Dependencies are inferred from the claim text.