Thermal evaporation process for manufacture of solid state battery devices
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08J-007/18
B05D-003/06
B05D-003/00
C23C-014/00
C23C-014/58
H01M-004/131
H01M-004/1391
C23C-014/06
C23C-014/08
H01M-002/14
H01M-004/04
H01M-004/38
H01M-004/48
H01M-004/58
H01M-006/40
H01M-010/0562
H01M-010/0585
H01M-004/02
출원번호
US-0820500
(2015-08-06)
등록번호
US-9631269
(2017-04-25)
발명자
/ 주소
Chung, Myoungdo
Kim, Hyoncheol
Sastry, Ann Marie
Langlois, Marc
출원인 / 주소
Sakti3, Inc.
대리인 / 주소
Morrison & Foerster LLP
인용정보
피인용 횟수 :
0인용 특허 :
34
초록▼
A method for manufacturing a solid-state battery device. The method can include providing a substrate within a process region of an apparatus. A cathode source and an anode source can be subjected to one or more energy sources to transfer thermal energy into a portion of the source materials to evap
A method for manufacturing a solid-state battery device. The method can include providing a substrate within a process region of an apparatus. A cathode source and an anode source can be subjected to one or more energy sources to transfer thermal energy into a portion of the source materials to evaporate into a vapor phase. An ionic species from an ion source can be introduced and a thickness of solid-state battery materials can be formed overlying the surface region by interacting the gaseous species derived from the plurality of electrons and the ionic species. During formation of the thickness of the solid-state battery materials, the surface region can be maintained in a vacuum environment from about 10−6 to 10−4 Torr. Active materials comprising cathode, electrolyte, and anode with non-reactive species can be deposited for the formation of modified modulus layers, such a void or voided porous like materials.
대표청구항▼
1. A method for manufacturing a cathode device for a solid-state battery device using a flash process, the method comprising: providing a substrate including a surface region, the substrate being configured on a transfer device;continuously applying at a controlled rate a cathode source comprising a
1. A method for manufacturing a cathode device for a solid-state battery device using a flash process, the method comprising: providing a substrate including a surface region, the substrate being configured on a transfer device;continuously applying at a controlled rate a cathode source comprising a metal oxide onto a hot wall reactor subjected to thermal energy to cause a portion of the cathode source to evaporate into a vapor phase within a time period of less than about one second to substantially evaporate the portion of the cathode source free from formation of undesirable metal oxide species;forming a thickness of metal oxide material overlying the surface region at a rate of about 100 to 10,000 Angstroms per second per 100 square centimeters by condensing the vapor phase as the substrate moves either in a first direction or a second direction;subjecting the thickness of the metal oxide material to an ion source comprising an oxygen species, an argon species, and a nitrogen species while the thickness of metal oxide material is being formed and/or after the thickness of metal oxide material has been formed, the ion source including an ion beam having a power to cause an electrical conductivity of the thickness of the metal oxide material to increase from about 10−8 Siemens/meter to about 10−5 Siemens/meter and to cause the thickness of the metal oxide material to be doped with approximately 4% to 7% nitrogen; andmaintaining the surface region in a vacuum environment from about 10−6 to 10−4 Torr during the formation of the thickness of the metal oxide material. 2. The method of claim 1, wherein the substrate moves at a rate of about 1 inches/min to about 10 feet/min in a continuous manner via the transfer device to form the solid state battery device configured in a roll. 3. The method of claim 1, wherein cathode source comprises a vanadium oxide having a purity. 4. The method of claim 1, wherein the metal oxide is selected from one of a vanadium oxide, a manganese oxide, an iron oxide, nickel oxide, sulfur oxide, cobalt oxide, or magnesium oxide. 5. The method of claim 1, further comprising introducing a dopant species into the thickness of metal oxide using an ion beam process to cause an increase in conductivity of the thickness of metal oxide material and cause an increase in ionic diffusivity of the thickness of the metal oxide material. 6. The method of claim 1, further comprising introducing an additional dopant species into the thickness of metal oxide, the additional dopant being selected from the group consisting of oxygen, carbon, fluorine, silver, molybdenum, copper, tin, aluminum, iodine, phosphorous, and silicon. 7. The method of claim 1, wherein the subjecting the thermal energy to the cathode source is provided on the hot wall reactor; wherein the hot wall reactor is characterized by a temperature ranging from about 600 to 1200 Degrees Centigrade; wherein the metal oxide is vanadium oxide; wherein the ion source is provided at an energy from about 100 to about 400 electron volts. 8. The method of claim 1, wherein the transfer device comprises a first drum coupled to a second drum and configured in a reel to reel. 9. The method of claim 1, further comprising moving the substrate in a single pass or multiple passes using the transfer device in a continuous manner, wherein the transfer device is configured for the single pass or the multiple pass passes of the substrate between a pair of reels; wherein the substrate is moved through a single chamber or multiple chambers in the first direction or the first direction and the second direction. 10. The method of claim 1, wherein the cathode source comprises a mixture of cathode and anode material co-deposited so as to form a cathode layer in a partially or fully discharged state having a modified intercalation stress. 11. The method of claim 1, wherein the evaporated material contains entrained non-reactive species in the shape of nano rods, cones, columns, fibers, spheres, with or without binder, comprising a void or voided porous cathode or cathode modification layer. 12. The method of claim 1, wherein the cathode source is provided in a containment vessel comprising a plurality of containment vessels and the thermal energy is provided by an energy source comprising a plurality of energy sources; each of the containment vessels may be specific to a different surface to volume ratio of materials; the materials may be mixtures of other materials; and the containment vessels being suitable for producing co deposited or multi deposited materials, including graded materials for a cathode layer or a cathode modification layer of an electrochemical device. 13. The method of claim 1, further comprising a shaped mask device configured between the hot wall reactor providing the thermal energy and the substrate, the shaped mask device may be coupled to a heating device to maintain the mask device essentially free from a residue from the metal oxide and is so positioned as to allow either demarcation of a cathode material or oblique angle deposition for the formation of a void or voided porous like cathode or cathode modification layer. 14. The method of claim 1, wherein the ion source is an ion beam or an ion shower; and wherein the substrate moves at a rate of about 1 inches/min to about 10 feet/min; and wherein cathode source comprises a vanadium oxide having a purity. 15. The method of claim 1, further comprising introducing a dopant species into the thickness of metal oxide material using an ion beam process to cause an increase in conductivity of the thickness of metal oxide material and cause an increase in ionic diffusivity of the thickness of the metal oxide material; and further comprising introducing an additional dopant species into the thickness of metal oxide, the additional dopant being selected from the group consisting of oxygen, carbon, fluorine, silver, molybdenum, copper, tin, aluminum, iodine, phosphorous, and silicon. 16. A method for manufacturing a cathode device for a solid-state battery device using a flash process comprising: providing a substrate including a surface region, the substrate being configured on a transfer device for a roll to roll process;continuously applying thermal energy from a hot wall reactor region at a temperature ranging from about 600 to 1200 Degrees Centigrade to a cathode source comprising a metal oxide species to cause a portion of the cathode source to evaporate into a vapor phase within a time period of less than about one second to substantially evaporate the portion of the cathode source free from formation of undesirable metal oxide species;forming a thickness of metal oxide material overlying the surface region by condensing the vapor phase as the substrate moves either in a first direction or a second direction, and at a rate of about 100 to 10,000 Angstroms per second per 100 square centimeters;subjecting the thickness of the metal oxide material to an ion source at an energy of 100 eV to 400 eV and comprising an oxygen species, an argon species, and a nitrogen species while the thickness of metal oxide material is being formed and/or after the thickness of metal oxide material has been formed, in order to dope the thickness of the metal oxide material with approximately 4% to 7% nitrogen, which causes an electrical conductivity of the thickness of the metal oxide material to increase from about 10−8 Siemens/meter to about 10−5 Siemens/meter;maintaining the surface region in a vacuum environment from about 10−6 to 10−4 Torr during the formation of the thickness of the metal oxide material;andmoving the substrate in a continuous manner while the cathode source is continuously applied to the hot wall reactor region to evaporate the cathode source into the vapor phase.
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