Separator of electrode assembly, and method and device for preparing separator of electrode assembly
US-2024313359-A1 · Sep 19, 2024 · US
All solid battery
US2024332733A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2024332733-A1 |
| Application number | US-202418604883-A |
| Country | US |
| Kind code | A1 |
| Filing date | Mar 14, 2024 |
| Priority date | Mar 29, 2023 |
| Publication date | Oct 3, 2024 |
| Grant date | — |
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Abstract
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An all solid battery includes a solid electrolyte layer, and electrode layers that are provided on both main faces of the solid electrolyte layer and include an electrode active material and a fibrous conductive auxiliary agent. In cross sections of the electrode layers, an average diameter of the conductive auxiliary agent is 2 nm or more and 150 nm or less, an area ratio occupied by the conductive auxiliary agent is 0.5% or more and 5.0% or less, and an area ratio occupied by the electrode active material is 28% or more and less than 80%. A thickness of the solid electrolyte layer is 5 μm or more and 20 μm or less.
First claim
Opening claim text (preview).
What is claimed is: 1 . An all solid battery comprising: a solid electrolyte layer; and electrode layers that are provided on both main faces of the solid electrolyte layer and include an electrode active material and a fibrous conductive auxiliary agent, wherein, in cross sections of the electrode layers, an average diameter of the conductive auxiliary agent is 2 nm or more and 150 nm or less, an area ratio occupied by the conductive auxiliary agent is 0.5% or more and 5.0% or less, and an area ratio occupied by the electrode active material is 28% or more and less than 80%, and wherein a thickness of the solid electrolyte layer is 5 μm or more and 20 μm or less. 2 . The all solid battery as claimed in claim 1 , wherein the conductive auxiliary agent is a carbon material. 3 . The all solid battery as claimed in claim 1 , wherein the conductive auxiliary agent is a carbon nanotube. 4 . The all solid battery as claimed in claim 1 , wherein the solid electrolyte layer is an oxide material. 5 . The all solid battery as claimed in claim 1 , wherein a total length of the conductive auxiliary agent is 5 μm or more. 6 . An all solid battery comprising: a solid electrolyte layer; and electrode layers that are provided on both main faces of the solid electrolyte layer and include an electrode active material and a carbon-based conductive auxiliary agent, wherein, in cross sections of the electrode layers, an average diameter of the conductive auxiliary agent is 5 nm or more and less than 150 nm, and a GD ratio of the conductive auxiliary agent is 0.5 or more and 20 or less, wherein, in the cross sections, an area ratio occupied by the conductive auxiliary agent is more than 0.5% and 10% or less, and wherein a thickness of the solid electrolyte layer is 5 μm or more and 20 μm or less. 7 . The all solid battery as claimed in claim 6 , wherein the conductive auxiliary agent is a fibrous conductive auxiliary agent. 8 . The all solid battery as claimed in claim 6 , wherein the conductive auxiliary agent is a carbon nanotube. 9 . The all solid battery as claimed in claim 6 , wherein the conductive auxiliary agent is a multilayer carbon nanotube. 10 . The all solid battery as claimed in claim 6 , wherein the solid electrode layer is an oxide material. 11 . The all solid battery as claimed in claim 6 , wherein the solid electrode layer is a phosphate oxide material. 12 . The all solid battery as claimed in claim 6 , wherein the solid electrolyte layer and the electrode layers have a sintered body.
Assignees
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Classifications
Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx · CPC title
Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines · CPC title
Solid materials · CPC title
having a layered structure · CPC title
Carbon or graphite · CPC title
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Frequently asked questions
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- What does patent US2024332733A1 cover?
- An all solid battery includes a solid electrolyte layer, and electrode layers that are provided on both main faces of the solid electrolyte layer and include an electrode active material and a fibrous conductive auxiliary agent. In cross sections of the electrode layers, an average diameter of the conductive auxiliary agent is 2 nm or more and 150 nm or less, an area ratio occupied by the condu…
- Who is the assignee on this patent?
- Taiyo Yuden Kk
- What technology area does this patent fall under?
- Primary CPC classification H01M50/431. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Oct 03 2024 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).