Rugged, gel-free, lithium-free, high energy density solid-state electrochemical energy storage devices
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-010/0562
H01M-010/0585
H01G-009/15
H01G-011/04
H01G-011/46
H01G-011/56
H01M-004/04
H01M-004/131
H01M-004/48
H01M-004/52
H01M-004/86
H01M-004/88
H01M-004/525
H01M-008/1253
H01M-008/126
H01M-008/1246
H01G-009/00
H01M-008/124
출원번호
US-0818494
(2017-11-20)
등록번호
US-10199682
(2019-02-05)
발명자
/ 주소
Read, John B.
Sweeney, Daniel C.
출원인 / 주소
SPACE CHARGE, LLC
대리인 / 주소
Kilpatrick Townsend & Stockton LLP
인용정보
피인용 횟수 :
0인용 특허 :
209
초록▼
Described are solid-state electrochemical energy storage devices and methods of making solid-state electrochemical energy storage devices in which components of the batteries are truly solid-state and do not comprise a gel. Nor do they rely on lithium-containing electrolytes. Electrolytes useful wit
Described are solid-state electrochemical energy storage devices and methods of making solid-state electrochemical energy storage devices in which components of the batteries are truly solid-state and do not comprise a gel. Nor do they rely on lithium-containing electrolytes. Electrolytes useful with the solid-state electrochemical energy storage described herein include, for example, ceramic electrolytes exhibiting a crystal structure including voids or crystallographic defects that permit conduction or migration of oxygen ions across a layer of the ceramic electrolyte. Disclosed methods of making solid-state electrochemical energy storage devices include multi-stage deposition processes, in which an electrode is deposited in a first stage and an electrolyte is deposited in a second stage.
대표청구항▼
1. A Faradaic solid-state energy storage device comprising: a first electrode, wherein the first electrode has a first thickness greater than 1 nm and less than or equal to 80 nm, andwherein the first electrode comprises a first redox-supporting metal, an oxide of the first redox-supporting metal, o
1. A Faradaic solid-state energy storage device comprising: a first electrode, wherein the first electrode has a first thickness greater than 1 nm and less than or equal to 80 nm, andwherein the first electrode comprises a first redox-supporting metal, an oxide of the first redox-supporting metal, or a combination of the first redox-supporting metal and the oxide of the first redox-supporting metal;a solid electrolyte positioned in direct contact with the first electrode, wherein the solid electrolyte has a second thickness greater than 1 nm and less than or equal to 500 nm, andwherein the solid electrolyte comprises a solid-state, oxygen ion conducting ceramic electrolyte, wherein the solid-state, oxygen ion conducting ceramic electrolyte has a crystal structure including vacancies that permit conduction or migration of oxygen ions through the crystal structure; anda second electrode positioned in direct contact with the solid electrolyte, wherein the second electrode has a third thickness greater than 1 nm and less than or equal to 80 nm, andwherein the second electrode comprises a second redox-supporting metal, an oxide of the second redox-supporting metal, or a combination of the second redox-supporting metal and the oxide of the second redox-supporting metal. 2. The Faradaic solid-state energy storage device of claim 1, wherein the first redox-supporting metal, the second redox-supporting metal, or both the first redox-supporting metal and the second redox-supporting metal comprise a transition metal. 3. The Faradaic solid-state energy storage device of claim 1, wherein the first redox-supporting metal and the second redox-supporting metal are a same metal. 4. The Faradaic solid-state energy storage device of claim 1, wherein the first redox-supporting metal and the second redox-supporting metal are independently Mn, Fe, Co, Ni, Cu, Mo, Tc, Ru, Rh, Pd, Ag, W, Re, Os, Ir, or Pt. 5. The Faradaic solid-state energy storage device of claim 1, wherein the first electrode comprises an elemental metal or metal oxide capable of forming a sequence of oxides of progressively greater molecular weight. 6. The Faradaic solid-state energy storage device of claim 1, wherein the first redox-supporting metal, the second redox-supporting metal, or both, exhibit a work function of between 4 and 5 electron volts. 7. The Faradaic solid-state energy storage device of claim 1, wherein the solid-state, oxygen ion conducting ceramic electrolyte comprises a perovskite ceramic, a zirconium ceramic, a zirconia-scandia ceramic, a ceria-gadolinia ceramic, an alumina ceramic, a ceramic alloy of these, a doped variant of these, or any combination of these. 8. The Faradaic solid-state energy storage device of claim 1, wherein the solid electrolyte exhibits a positive oxygen ion transfer rate of between 10 and 50 Siemens per centimeter. 9. The Faradaic solid-state energy storage device of claim 1, wherein the solid-state, oxygen ion conducting ceramic electrolyte comprises a doped ceramic including one or more dopants selected from the group consisting of Na+, K+, Li+, Ag+, H+, Pb2+, Sr2+, Ba2, TiO, TiO2, and Ti2O3. 10. A method of making a Faradaic solid-state energy storage device, the method comprising: depositing a first electrode on a substrate, wherein the first electrode has a first thickness greater than 1 nm and less than or equal to 80 nm,wherein the first electrode comprises a first redox-supporting metal, an oxide of the first redox-supporting metal, or a combination of the first redox-supporting metal and the oxide of the first redox-supporting metal, andwherein depositing the first electrode includes depositing using a first controllable deposition method;depositing a solid electrolyte on the first electrode, wherein the solid electrolyte has a second thickness greater than 1 nm and less than or equal to 500 nm,wherein the solid electrolyte comprises a solid-state, oxygen ion conducting ceramic electrolyte, wherein the solid-state, oxygen ion conducting ceramic has a crystal structure including vacancies that permit conduction or migration of oxygen ions through the crystal structure, andwherein depositing the solid electrolyte includes depositing using a second controllable deposition method; anddepositing a second electrode on the solid electrolyte, wherein the second electrode has a third thickness greater than 1 nm and less than or equal to 80 nm,wherein the second electrode comprises a second redox-supporting metal, an oxide of the second redox-supporting metal, or a combination of the second redox-supporting metal and the oxide of the second redox-supporting metal, andwherein depositing the second electrode includes depositing using a third controllable deposition method. 11. The method of claim 10, wherein the first redox-supporting metal, the second redox-supporting metal, or both the first redox-supporting metal and the second redox-supporting metal comprise a transition metal. 12. The method of claim 10, wherein the first redox-supporting metal, the second redox-supporting metal, or both the first redox-supporting metal and the second redox-supporting metal comprise a same metal. 13. The method of claim 10, wherein the first redox-supporting metal and the second redox-supporting metal are independently Mn, Fe, Co, Ni, Cu, Mo, Tc, Ru, Rh, Pd, Ag, W, Re, Os, Ir, or Pt. 14. The method of claim 10, wherein the first redox-supporting metal, the second redox-supporting metal, or both, exhibit a work function of between 4 and 5 electron volts. 15. The method of claim 10, further comprising initiating redox reactions at the first electrode to reversibly oxidize the first electrode to form a sequence of metal oxides of progressively greater molecular weight. 16. The method of claim 10, wherein the solid-state, oxygen ion conducting ceramic electrolyte comprises a perovskite ceramic, a zirconium ceramic, a zirconia-scandia ceramic, a ceria-gadolinia ceramic, an alumina ceramic, a ceramic alloy of these, a doped variant of these, or any combination of these. 17. The method of claim 10, wherein the solid-state, oxygen ion conducting ceramic electrolyte comprises a doped ceramic including one or more dopants selected from the group consisting of Na+, K+, Li+, Ag+, H+, Pb2+, Sr2+, Ba2, TiO, TiO2, and Ti2O3. 18. A device comprising: a Faradaic solid-state energy storage device, wherein the Faradaic solid-state energy storage device includes: a first electrode, wherein the first electrode has a first thickness greater than 1 nm and less than or equal to 80 nm, and wherein the first electrode comprises a first redox-supporting metal, an oxide of the first redox-supporting metal, or a combination of the first redox-supporting metal and the oxide of the first redox-supporting metal;a solid electrolyte positioned in direct contact with the first electrode, wherein the solid electrolyte has a second thickness greater than 1 nm and less than or equal to 500 nm, and wherein the solid electrolyte comprises a solid-state, oxygen ion conducting ceramic electrolyte, wherein the solid-state, oxygen ion conducting ceramic electrolyte has a crystal structure including vacancies that permit conduction or migration of oxygen ions through the crystal structure; anda second electrode positioned in direct contact with the solid electrolyte, wherein the second electrode has a third thickness greater than 1 nm and less than or equal to 80 nm, and wherein the second electrode comprises a second redox-supporting metal, an oxide of the second redox-supporting metal, or a combination of the second redox-supporting metal and the oxide of the second redox-supporting metal; andone or more integrated circuit elements positioned in electrical communication with the first electrode or the second electrode such that the one or more integrated circuit elements receive electrical energy stored by the Faradaic solid-state energy storage device. 19. The device of claim 18, wherein the one or more integrated circuit elements include one or more memory units or one or more central processing units. 20. The device of claim 18, further comprising a photovoltaic cell positioned in electrical communication with the first electrode and the second electrode of the Faradaic solid-state energy storage device such that the photovoltaic cell provides electrical energy to the Faradaic solid-state energy storage device when the photovoltaic cell is exposed to light.
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