IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
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출원번호 |
US-0584065
(2009-08-28)
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등록번호 |
US-8304115
(2012-11-06)
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발명자
/ 주소 |
- Petkov, Kostadin
- Wesselmann, Mark
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
6 인용 특허 :
0 |
초록
▼
A practical solid-state battery composed primarily of ceramic or glass materials and containing no liquid, gel or polymeric electrolytes. The invention utilizes solid-state electrolyte materials with solid-state anode and cathode materials along with construction concepts utilized in the multi layer
A practical solid-state battery composed primarily of ceramic or glass materials and containing no liquid, gel or polymeric electrolytes. The invention utilizes solid-state electrolyte materials with solid-state anode and cathode materials along with construction concepts utilized in the multi layered ceramic capacitor (MLCC) industry to result in a compact primary or secondary battery.
대표청구항
▼
1. A solid-state multi layer ceramic battery comprising at least one multi-layer cell structure wherein said multi-layer cell structure comprises: a porous sponge ceramic anode layer comprising a plurality of pores formed within a ceramic material, at least a plurality of said pores being only parti
1. A solid-state multi layer ceramic battery comprising at least one multi-layer cell structure wherein said multi-layer cell structure comprises: a porous sponge ceramic anode layer comprising a plurality of pores formed within a ceramic material, at least a plurality of said pores being only partially filled and being coated with at least one anode active material;a porous sponge ceramic cathode layer comprising a plurality of pores formed within a ceramic material, at least a plurality of said pores being only partially filled and being coated with at least one cathode active material; anda dense ceramic electrolyte layer positioned between said porous sponge ceramic anode layer and said porous sponge ceramic cathode layer. 2. The multi layer ceramic battery of claim 1 wherein said ceramic layers are lithium ion-conducting solid ceramic electrolytes. 3. The multi layer ceramic battery of claim 1 wherein said at least one anode active materials comprises at least one material selected from the group consisting of lithium intercalating carbonaceous materials, lithium intercalating transition metal oxides, and lithium alloy materials. 4. The multi layer ceramic battery of claim 3 wherein said lithium intercalating carbonaceous material comprises at least one material selected from the group consisting of graphite, hard carbon, and carbon nano tubes. 5. The multi layer ceramic battery of claim 3 wherein said lithium intercalating transition metal oxide comprises at least one material selected from the group consisting of molybdenum oxide, tungsten oxide, ruthenium oxide, titanium oxides, indium tin oxide, lithium titanium oxide of the composition, LixTiO2 and lithium titanium oxide of the composition Li4Ti5O12, wherein the letter x is an integer number. 6. The multi layer ceramic battery of claim 3 wherein said lithium alloy materials comprise at least one material selected from the group consisting of LixSi, LiySn, and LizAl, wherein the letters x, y, and z are integer numbers. 7. The multi layer ceramic battery of claim 1 wherein said at least one cathode active material comprises at least one material selected from the group consisting of Li intercalating electrode materials, metal phosphates, lithium vanadium oxides having the formula LixV2O5, and lithium titanium oxides having the formula LiTiO2, wherein the letters x and y are integer numbers. 8. The multi layer ceramic battery of claim 7 wherein said Li intercalating electrode materials comprise at least one material selected from the group consisting of LiCoO2, LiNiO2, LiNixCoyO2, LiMn2O4, LiNi0.5Mn1.5O4, LiNixCoyMnzO2, and LiFePO4, wherein the letters x, y, and z are integer numbers. 9. The multi layer ceramic battery of claim 7 wherein said metal phosphates comprise at least one material selected from the group consisting of LiCoPO4 and LiNiPO4. 10. The multi layer ceramic battery of claim 2 wherein said lithium ion-conducting solid ceramic electrolytes comprise materials selected from the group consisting of lithium aluminum titanium phosphate (LATP) and its derivatives obtained by replacing some or all of the titanium with an element selected from the group consisting of silicon, germanium, zirconium, zinc, and lithium phosphorus oxynitride (LIPON). 11. The multi layer ceramic battery of claim 2 wherein at least one of said lithium ion-conducting solid ceramic electrolytes is lithium aluminum titanium phosphate (LATP). 12. The multi layer ceramic battery of claim 2 wherein at least one of said lithium ion-conducting solid ceramic electrolytes is lithium aluminum germanium phosphate (LAGP). 13. The multi layer ceramic battery of claim 1 further comprising a plurality of three-layer cell structures connected in series to form a higher voltage battery wherein at least two of said three-layer cells each comprise a porous sponge ceramic anode layer comprising at least one anode active material, a porous sponge ceramic cathode layer comprising at least one cathode active material, and a dense ceramic electrolyte layer positioned between said anode layer and said cathode layer. 14. The multi layer ceramic battery of claim 1 further comprising a plurality of three-layer cell structures connected in parallel to form a higher capacity battery wherein at least two of said three-layer cells each comprise a porous sponge ceramic anode layer comprising at least one anode active material, a porous sponge ceramic cathode layer comprising at least one cathode active material, and a dense ceramic electrolyte layer positioned between said anode layer and said cathode layer. 15. A solid-state multi layer ceramic battery comprising at least one multi-layer cell structure wherein said multi-layer cell structure comprises: a porous sponge ceramic anode layer comprising at least one anode active material and a plurality of pores within the at least one anode active material, at least a plurality of said pores being only partially filled;a porous sponge ceramic cathode layer comprising at least one cathode active material and a plurality of pores within the at least one cathode active material, at least a plurality of said pores being only partially filled; anda dense ceramic electrolyte layer positioned between said porous sponge ceramic anode layer and said porous sponge ceramic cathode layer. 16. A solid-state multi layer ceramic battery comprising at least one multi-layer cell structure wherein said multi-layer cell structure comprises: a porous sponge ceramic anode layer comprising at least one anode active material and a plurality of pores within the at least one anode active material, at least a plurality of said pores being only partially filled and having a coating which increases the electronic and ionic conductivity of the ceramic anode layer;a porous sponge ceramic cathode layer comprising at least one cathode active material and a plurality of pores within the at least one cathode active material, at least a plurality of said pores being only partially filled and having a coating which increases the electronic and ionic conductivity of the ceramic cathode layer; anda dense ceramic electrolyte layer positioned between said porous sponge ceramic anode layer and said porous sponge ceramic cathode layer.
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