METHOD FOR DRYING ELECTRODE PAIR, METHOD FOR MANUFACTURING LITHIUM-ION SECONDARY BATTERY, METHOD FOR MANUFACTURING ELECTRIC DOUBLE-LAYER CAPACITOR, AND METHOD FOR MANUFACTURING LITHIUM-ION CAPACITOR
First Claim
1. A method for drying an electrode pair, comprising the steps of:
- preparing a positive electrode by applying a positive electrode material to a current collector;
preparing a negative electrode by applying a negative electrode material to a current collector;
preparing one set of an electrode pair made up of a positive electrode, a separator, and a negative electrode which are laminated in this order or preparing sets of electrode pairs, the sets being laminated, a separator being provided between the respective sets, each of the electrode pairs being made up of a positive electrode, a separator, and a negative electrode which are laminated in this order;
accommodating the electrode pair(s) in a container, anddrying the container in which the electrode pair(s) has been accommodated by use of the freeze-drying method.
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Accused Products
Abstract
A method for drying an electrode pair is disclosed. In at least one embodiment, the method includes preparing a positive electrode by applying a positive electrode material to a current collector; preparing a negative electrode by applying a negative electrode material to a current collector; preparing one set of an electrode pair made up of a positive electrode, a separator, and a negative electrode which are laminated in this order or preparing sets of electrode pairs, the sets being laminated, a separator being provided between the respective sets, each of the electrode pairs being made up of a positive electrode, a separator, and a negative electrode which are laminated in this order; accommodating the electrode pair(s) in a container; and drying the container in which the electrode pair(s) has been accommodated by use of the freeze-drying method.
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Citations
5 Claims
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1. A method for drying an electrode pair, comprising the steps of:
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preparing a positive electrode by applying a positive electrode material to a current collector; preparing a negative electrode by applying a negative electrode material to a current collector; preparing one set of an electrode pair made up of a positive electrode, a separator, and a negative electrode which are laminated in this order or preparing sets of electrode pairs, the sets being laminated, a separator being provided between the respective sets, each of the electrode pairs being made up of a positive electrode, a separator, and a negative electrode which are laminated in this order; accommodating the electrode pair(s) in a container, and drying the container in which the electrode pair(s) has been accommodated by use of the freeze-drying method.
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2. A method for drying an electrode pair, comprising the steps of:
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preparing a positive electrode by applying a positive electrode material to a current collector; preparing a negative electrode by applying a negative electrode material to a current collector; preparing one set of an electrode pair made up of a positive electrode, a separator, and a negative electrode which are laminated in this order or preparing sets of electrode pairs, the sets being laminated, a separator being provided between the respective sets, each of the electrode pairs being made up of a positive electrode, a separator, and a negative electrode which are laminated in this order; accommodating the electrode pair(s) in a container, and at least one of (i) drying at least one of the positive electrode(s) and the negative electrode(s) by use of a freeze-drying method and (ii) drying the container in which the electrode pair(s) has been accommodated by use of the freeze-drying method, wherein a drying temperature of the freeze-drying method is not lower than 5°
C. and not higher than 50°
C.
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3. A method for manufacturing a lithium-ion secondary battery, comprising the steps of:
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preparing a positive electrode by applying a positive electrode material to a current collector; preparing a negative electrode by applying a negative electrode material to a current collector; preparing one set of an electrode pair made up of a positive electrode, a separator, and a negative electrode which are laminated in this order or preparing sets of electrode pairs, the sets being laminated, a separator being provided between the respective sets, each of the electrode pairs being made up of a positive electrode, a separator, and a negative electrode which are laminated in this order; accommodating the electrode pair(s) in a container; injecting an electrolyte solution into the container in which the electrode pair(s) has been accommodated; sealing the container into which the electrolyte solution has been injected; and drying the container in which the electrode pair(s) has been accommodated by use of the freeze-drying method.
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4. A method for manufacturing an electric double-layer capacitor, comprising the steps of:
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preparing a positive electrode by applying a positive electrode material to a current collector; preparing a negative electrode by applying a negative electrode material to a current collector; preparing one set of an electrode pair made up of a positive electrode, a separator, and a negative electrode which are laminated in this order or preparing sets of electrode pairs, the sets being laminated, a separator being provided between the respective sets, each of the electrode pairs being made up of a positive electrode, a separator, and a negative electrode which are laminated in this order; accommodating the electrode pair(s) in a container; injecting an electrolyte solution into the container in which the electrode pair(s) has been accommodated; sealing the container into which the electrolyte solution has been injected; and drying the container in which the electrode pair(s) has been accommodated by use of the freeze-drying method.
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5. A method for manufacturing a lithium-ion capacitor, comprising the steps of:
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preparing a positive electrode by applying a positive electrode material to a current collector; preparing a negative electrode by applying a negative electrode material to a current collector; providing metallic lithium to one set of an electrode pair made up of a positive electrode, a separator, and a negative electrode which are laminated in this order or to sets of electrode pairs, the sets being laminated, a separator being provided between the respective sets, each of the electrode pairs being made up of a positive electrode, a separator, and a negative electrode which are laminated in this order; accommodating, in a container, the electrode pair(s) having the metallic lithium provided thereto; injecting an electrolyte solution into the container in which the electrode pair(s) having the metallic lithium provided thereto has been accommodated; sealing the container into which the electrolyte solution has been injected; and drying the container in which the electrode pair(s) having the metallic lithium provided thereto has been accommodated by use of the freeze-drying method.
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Specification