[특허]Methods of producing batteries utilizing anode coatings directly on nanoporous separators

[미국특허] Methods of producing batteries utilizing anode coatings directly on nanoporous separators 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01M-004/04 H01M-010/0585 H01M-002/16 H01M-004/64 H01M-010/052 H01M-010/42 H01M-002/14 H01M-006/16 H01M-004/136
출원번호	US-0605349 (2015-01-26)
등록번호	US-9660297 (2017-05-23)
발명자 / 주소	Carlson, Steven A.
출원인 / 주소	Optodot Corporation
대리인 / 주소	Amster, Rothstein & Ebenstein, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 74

초록 ▼

Provided are methods of preparing a separator/anode assembly for use in an electric current producing cell, wherein the assembly comprises an anode current collector layer interposed between a first anode layer and a second anode layer and a porous separator layer on the side of the first anode laye

대표청구항 ▼

1. A method of making a separator/anode assembly for use in an electric current producing cell comprising the steps of: (a) providing a porous separator layer;(b) coating a first anode layer directly on said porous separator layer; and(c) coating one or more anode current collector layers directly on said first anode layer to make said separator/anode assembly. 2. The method of claim 1, wherein, after step (c), there is a further step (d) of coating a second anode layer directly on said one or more anode current collector layers. 3. The method of claim 1, wherein step (a) comprises coating a porous separator layer on a substrate. 4. The method of claim 3, wherein said substrate is a porous substrate. 5. The method of claim 4, wherein said porous substrate is selected from the group consisting of porous polymer films and porous non-woven polymer fiber substrates. 6. The method of claim 4, wherein, after step (c), there is a further step of coating a second anode layer directly on said one or more anode current collector layers. 7. The method of claim 1, wherein there are no pores larger than 0.2 microns in diameter in said porous separator layer of step (a). 8. The method of claim 1, wherein there are no pores larger than 0.1 microns in diameter in said porous separator layer of step (a). 9. The method of claim 1, wherein said one or more anode current collector layers of step (c) comprises a metal layer. 10. The method of claim 9, wherein the thickness of said metal layer is less than 3 microns. 11. The method of claim 1, wherein said porous separator layer has a thickness of less than 9 microns. 12. The method of claim 1, wherein said porous separator layer has dimensional stability at 200° C. 13. The method of claim 1, wherein coating the first anode layer comprises applying a pigment dispersion on the porous separator layer. 14. The method of claim 1, wherein the pigment dispersion comprises electrode particles having a diameter between 0.5 to 5 microns. 15. The method of claim 1, wherein the pigment dispersion comprises an organic solvent or water. 16. The method of claim 1, further comprising joining the separator/anode assembly with a separator/cathode assembly to produce the electric current producing cell. 17. The method of claim 1, wherein the separator layer comprises inorganic oxide particles. 18. The method of claim 17, wherein the inorganic oxide particles comprise aluminum boehmite. 19. The method of claim 1, wherein said separator layer comprises separator particles and said separator particles are selected from the group consisting of inorganic oxide particles, inorganic nitride particles, inorganic carbonate particles, inorganic sulfate particles, and polymer particles. 20. A method of making a separator/anode assembly for use in an electric current producing cell comprising the steps of: (a) providing a porous separator layer; and(b) depositing an anode layer directly on said porous separator layer, wherein said anode layer comprises lithium metal.

이 특허에 인용된 특허 (74) 인용/피인용 타임라인 분석

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[미국특허] Methods of producing batteries utilizing anode coatings directly on nanoporous separators 원문보기

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