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US 2016/0111700 A1Published application
Electrode, power storage device, electronic device, and manufacturing method of electrode
AssigneeSemiconductor Energy Laboratory Co., Ltd.
InventorsTatsuya IKENUMA, Kazutaka KURIKI, Ai NAKAGAWA
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Abstract
Provided is an electrode including a current collector and an active material layer. The active material layer includes an active material, a film including silicone, a conductive additive, and a binder. The active material is in the form of a particle. The film including silicone covers at least part of the active material.
Claims17
An electrode comprising:
- a current collector;
- and
- an active material layer,
- wherein the active material layer includes an active material, a film including silicone, a conductive additive, and a binder, and
- wherein the active material is in the form of a particle, and
- wherein the film including silicone covers at least a part of the active material.
3 more elements
A power storage device comprising:
- a first electrode;
- and
- a second electrode,
- wherein the first electrode is one of a positive electrode and a negative electrode,
- wherein the second electrode is the other of the positive electrode and the negative electrode,
- wherein the first electrode includes a current collector and an active material layer,
- wherein the active material layer includes an active material, a film including silicone, a conductive additive, and a binder,
- wherein the active material is in the form of a particle, and
- wherein the film including silicone covers at least a part of the active material.
6 more elements
A method for manufacturing an electrode, comprising:
- forming a mixed liquid of an active material, silicone, and a first solvent;
- forming an active material with a film thereon by spraying the mixed liquid from a nozzle and evaporating the first solvent;
- forming a paste including the active material with the film thereon, a conductive additive, a binder, and a second solvent;
- and
- forming an active material layer by applying the paste to a current collector and evaporating the second solvent.
2 more elements
A method for manufacturing an electrode, comprising:
- forming a mixed liquid of an active material, silicone, a conductive additive, and a first solvent;
- forming a mixture with a film thereon by spraying the mixed liquid and evaporating the first solvent with a spray dryer;
- forming a paste including the mixture with the film thereon, a binder, and a second solvent;
- and
- forming an active material layer by applying the paste to a current collector and evaporating the second solvent.
2 more elements
Dependencies are inferred from the claim text.