Electrode, power storage device, electronic device, and manufacturing method of electrode
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorsTeruaki Ochiai, Takahiro Kawakami
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Abstract
A power storage device with excellent charge and discharge characteristics. A power storage device in which a decrease in capacity in charge and discharge cycles is inhibited. An electrode which includes a current collector and an active material layer and in which the active material layer includes an active material and a binder and the binder includes polybenzoxazine. An electrode that includes polybenzoxazine and another material as a binder. A basic material may be used as the active material. The electrode may be formed under high temperatures.
Claims20
An electrode comprising:
- a current collector;
- and
- an active material layer comprising:
- a particle comprising an active material;
- and
- a binder comprising polybenzoxazine,
- wherein the active material is a compound comprising lithium, manganese, an element M and oxygen, and
- wherein the element M is one element selected from the group consisting of chromium, cobalt, aluminum, nickel, iron, magnesium, molybdenum, zinc, indium, gallium, copper, titanium, niobium, silicon and phosphorus.
An electrode comprising:
- a current collector;
- and
- an active material layer comprising:
- a particle comprising an active material;
- and
- a binder comprising a compound including a benzoxazine ring,
- wherein the active material is a compound comprising lithium, manganese, an element M and oxygen, and
- wherein the element M is one element selected from the group consisting of chromium, cobalt, aluminum, nickel, iron, magnesium, molybdenum, zinc, indium, gallium, copper, titanium, niobium, silicon and phosphorus.
Dependencies are inferred from the claim text.