Lithium metal battery, process for preparing the same, apparatus containing the lithium metal battery and negative electrode plate
US-2022109180-A1 · Apr 7, 2022 · US
Negative electrode for lithium metal battery, and lithium metal battery comprising same
US2023402590A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2023402590-A1 |
| Application number | US-202218033013-A |
| Country | US |
| Kind code | A1 |
| Filing date | May 2, 2022 |
| Priority date | May 3, 2021 |
| Publication date | Dec 14, 2023 |
| Grant date | — |
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- Title
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Abstract
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The present disclosure relates to a negative electrode for a lithium metal battery comprising a porous substrate; a carbon coating layer formed on the surface of the porous substrate; and a lithium metal layer positioned on the carbon coating layer, wherein the carbon coating layer comprises carbon particles having a plate-like structure, and a lithium metal battery comprising the same.
First claim
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1 . A negative electrode for a lithium metal battery, comprising: a porous substrate; a carbon coating layer formed on a surface of the porous substrate; and a lithium metal layer positioned on the carbon coating layer, wherein the carbon coating layer comprises carbon particles having a plate-like structure. 2 . The negative electrode for the lithium metal battery according to claim 1 , wherein the porous substrate comprises one selected from the group consisting of polyethylene, polypropylene, polyethyleneterephthalate, polybutyleneterephthalate, polyamide, polyacetal, polycarbonate, polyetheretherketone, polyethersulfone, polyphenyleneoxide, polyphenylenesulfide, polyethylenenaphthalene, polytetrafluoroethylene, polyvinylidene fluoride, polyvinyl chloride, polyacrylonitrile, cellulose, nylon, poly(p-phenylene benzobisoxazole), polyarylate, and a combinations thereof. 3 . The negative electrode for the lithium metal battery according to claim 1 , wherein a porosity of the porous substrate is 40% to 90%. 4 . The negative electrode for the lithium metal battery according to claim 1 , wherein a thickness of the porous substrate is 0.5 μm to 30 μm. 5 . The negative electrode for the lithium metal battery according to claim 1 , wherein the carbon coating layer comprises graphene or graphene derivatives having a plate-like structure. 6 . The negative electrode for the lithium metal battery according to claim 1 , wherein a weight of the carbon particles coated per unit area of the porous substrate is 0.1 g/m 2 to 5 g/m 2 . 7 . The negative electrode for the lithium metal battery according to claim 1 , wherein the negative electrode has a structure in which the carbon coating layer is formed on one surface of the porous substrate and the lithium metal layer is stacked on one surface of the carbon coating layer opposite to the porous substrate. 8 . The negative electrode for the lithium metal battery according to claim 1 , wherein the negative electrode has a multi-layered structure in which the porous substrate is located in the center, and the carbon coating layer is formed on both surfaces of the porous substrate, respectively, and the lithium metal layer is laminated on each one surface of the carbon coating layer opposite to the porous substrate. 9 . The negative electrode for the lithium metal battery according to claim 1 , wherein a tensile strength of the negative electrode for the lithium metal battery is 1 MPa to 300 MPa. 10 . A lithium metal battery comprising the negative electrode according to claim 1 .
Assignees
Inventors
Classifications
- H01M4/382Primary
Lithium (H01M4/405 takes precedence) · CPC title
Li-accumulators · CPC title
Carbon or graphite · CPC title
Negative electrodes · CPC title
Energy storage using batteries · CPC title
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Frequently asked questions
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- What does patent US2023402590A1 cover?
- The present disclosure relates to a negative electrode for a lithium metal battery comprising a porous substrate; a carbon coating layer formed on the surface of the porous substrate; and a lithium metal layer positioned on the carbon coating layer, wherein the carbon coating layer comprises carbon particles having a plate-like structure, and a lithium metal battery comprising the same.
- Who is the assignee on this patent?
- Lg Energy Solution Ltd
- What technology area does this patent fall under?
- Primary CPC classification H01M4/382. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Thu Dec 14 2023 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 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).