Olefin separator free li-ion battery
AssigneeApplied Materials, Inc.
InventorSubramanya P. HERLE
Life of this patent
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Abstract
Implementations of the present disclosure generally relate to separators, high performance electrochemical devices, such as, batteries and capacitors, including the aforementioned separators, and methods for fabricating the same. In one implementation, a method of forming a separator for a battery is provided. The method comprises exposing a metallic material to be deposited on a surface of an electrode structure positioned in a processing region to an evaporation process. The method further comprises flowing a reactive gas into the processing region. The method further comprises reacting the reactive gas and the evaporated metallic material to deposit a ceramic separator layer on the surface of the electrode structure.
Claims20
A method of forming a separator fora battery, comprising:
- exposing a metallic material to be deposited on a surface of an electrode structure positioned in a processing region to an evaporation process;
- flowing a reactive gas into the processing region;
- and
- reacting the reactive gas and the evaporated metallic material to deposit a ceramic separator layer on the surface of the electrode structure, wherein flowing a reactive gas into the processing region comprises flowing moist oxygen into the processing region.
A method of forming a battery, comprising:
- depositing a ceramic separator layer on a surface of a negative electrode structure, comprising:
- exposing a metallic material to be deposited on the surface of the negative electrode structure positioned in a processing region to an evaporation process;
- flowing a reactive gas into the processing region;
- and
- reacting the reactive gas and the evaporated metallic material to deposit the ceramic separator layer on the surface of the negative electrode structure, wherein flowing a reactive gas into the processing region comprises flowing moist oxygen into the processing region;
- and
- joining the negative electrode structure with a positive electrode structure with the ceramic separator layer therebetween.
A method of forming a battery, comprising:
- depositing a ceramic separator layer on a surface of a positive electrode structure, comprising:
- exposing a metallic material to be deposited on the surface of the positive electrode structure positioned in a processing region to an evaporation process;
- flowing a reactive gas into the processing region;
- and
- reacting the reactive gas and the evaporated metallic material to deposit the ceramic separator layer on the surface of the positive electrode structure, wherein flowing a reactive gas into the processing region comprises flowing moist oxygen into the processing region;
- and
- joining the positive electrode structure with a negative electrode structure with the ceramic separator layer therebetween.
Dependencies are inferred from the claim text.