Semi-solid electrodes having high rate capability
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01M-008/20
H01M-008/18
H01M-008/22
출원번호
US-0872613
(2013-04-29)
등록번호
US-8993159
(2015-03-31)
발명자
/ 주소
Chiang, Yet-Ming
Duduta, Mihai
Holman, Richard
Limthongkul, Pimpa
Tan, Taison
출원인 / 주소
24M Technologies, Inc.
대리인 / 주소
Cooley LLP
인용정보
피인용 횟수 :
10인용 특허 :
76
초록▼
Embodiments described herein relate generally to electrochemical cells having high rate capability, and more particularly to devices, systems and methods of producing high capacity and high rate capability batteries having relatively thick semi-solid electrodes. In some embodiments, an electrochemic
Embodiments described herein relate generally to electrochemical cells having high rate capability, and more particularly to devices, systems and methods of producing high capacity and high rate capability batteries having relatively thick semi-solid electrodes. In some embodiments, an electrochemical cell includes an anode, a semi-solid cathode that includes a suspension of an active material and a conductive material in a liquid electrolyte, and an ion permeable membrane disposed between the anode and the cathode. The semi-solid cathode has a thickness in the range of about 250 μm-2,500 μm, and the electrochemical cell has an area specific capacity of at least 5 mAh/cm2 at a C-rate of C/2.
대표청구항▼
1. An electrochemical cell, comprising: an anode;a semi-solid cathode including a suspension of about 35% to about 75% by volume of an active material and about 1% to about 8% by volume of a conductive material in a non-aqueous liquid electrolyte; andan ion-permeable membrane disposed between the an
1. An electrochemical cell, comprising: an anode;a semi-solid cathode including a suspension of about 35% to about 75% by volume of an active material and about 1% to about 8% by volume of a conductive material in a non-aqueous liquid electrolyte; andan ion-permeable membrane disposed between the anode and the semi-solid cathode,wherein, the semi-solid cathode has a thickness in the range of about 250 μm to about 2,000 μm,wherein the electrochemical cell has an area specific capacity of at least 7 mAh/cm2 at a C-rate of C/4, andwherein the semi-solid cathode has a mixing index in the range of about 0.8 to 0.975. 2. The electrochemical cell of claim 1, wherein the semi-solid cathode has an electronic conductivity of at least about 10−4 S/cm. 3. The electrochemical cell of claim 1, wherein the electrochemical cell has an area specific capacity of at least 8 mAh/cm2 at a C-rate of C/4. 4. The electrochemical cell of claim 3, wherein the electrochemical cell has an area specific capacity of at least 9 mAh/cm2 at a C-rate of C/4. 5. The electrochemical cell of claim 4, wherein the electrochemical cell has an area specific capacity of at least 10 mAh/cm2 at a C-rate of C/4. 6. The electrochemical cell of claim 1, wherein the active material in the semi-solid cathode is about 50% to about 75% by volume. 7. The electrochemical cell of claim 6, wherein the active material in the semi-solid cathode is about 60% to about 75% by volume. 8. The electrochemical cell of claim 1, wherein the semi-solid cathode suspension has a mixing index in the range of about 0.9 to 0.975. 9. The electrochemical cell of claim 8, wherein the semi-solid cathode suspension has a mixing index in the range of about 0.95 to 0.975. 10. An electrochemical cell, comprising: a semi-solid anode including a suspension of about 40% to about 75% by volume of a first active material and about 0% to about 10% by volume of a first conductive material in a first non-aqueous liquid electrolyte;a semi-solid cathode including a suspension of about 35% to about 75% by volume of a second active material and about 1% to about 8% by volume of a second conductive material in a second non-aqueous liquid electrolyte; andan ion-permeable membrane disposed between the semi-solid anode and the semi-solid cathode,wherein, the semi-solid anode and the semi-solid cathode each have a thickness in the range of about 250 μm to about 2,000 μm,wherein the electrochemical cell has an area specific capacity of at least 7 mAh/cm2 at a C-rate of C/4, andwherein the semi-solid anode and the semi-solid cathode each have a mixing index in the range of about 0.8 to 0.975. 11. The electrochemical cell of claim 10, wherein the electrochemical cell has an area specific capacity of at least 8 mAh/cm2 at a C-rate of C/4. 12. The electrochemical cell of claim 11, wherein the electrochemical cell has an area specific capacity of at least 9 mAh/cm2 at a C-rate of C/4. 13. The electrochemical cell of claim 12, wherein the electrochemical cell has an area specific capacity of at least 10 mAh/cm2 at a C-rate of C/4. 14. The electrochemical cell of claim 10, wherein the first conductive material in the semi-solid anode is about 0.5% to about 2% by volume. 15. The electrochemical cell of claim 10, wherein the second active material in the semi-solid cathode is about 50% to about 75% by volume. 16. An electrochemical cell comprising: an anode;a semi-solid cathode including a suspension of about 35% to about 75% by volume of an active material and about 1% to about 8% by volume of a conductive material in a non-aqueous liquid electrolyte; andan ion-permeable membrane disposed between the anode and the semi-solid cathode, wherein, the semi-solid cathode has a thickness in the range of about 250 μm to about 2,000 μm,wherein the electrochemical cell has an area specific capacity of at least 7 mAh/cm2 at a C-rate of C/2, andwherein the semi-solid cathode has a mixing index in the range of about 0.8 to 0.975. 17. The electrochemical cell of claim 16, wherein the electrochemical cell has an area specific capacity of at least 8 mAh/cm2 at a C-rate of C/2. 18. The electrochemical cell of claim 17, wherein the electrochemical cell has an area specific capacity of at least 9 mAh/cm2 at a C-rate of C/2. 19. The electrochemical cell of claim 16, wherein the electrochemical cell has an area specific capacity of at least 10 mAh/cm2 at a C-rate of C/4. 20. The electrochemical cell of claim 16, wherein the semi-solid cathode suspension has a mixing index in the range of about 0.9 to 0.975. 21. The electrochemical cell of claim 20, wherein the semi-solid cathode suspension has a mixing index in the range of about 0.95 to 0.975. 22. An electrochemical cell, comprising: a semi-solid anode including a suspension of about 40% to about 75% by volume of a first active material and about 0% to about 10% by volume of a first conductive material in a first non-aqueous liquid electrolyte;a semi-solid cathode including a suspension of about 35% to about 75% by volume of a second active material and about 1% to about 8% by volume of a second conductive material in a second non-aqueous liquid electrolyte; andan ion-permeable membrane disposed between the semi-solid anode and the semi-solid cathode,wherein, the semi-solid anode and the semi-solid cathode each have a thickness in the range of about 250 μm to about 2,000 μm,wherein the electrochemical cell has an area specific capacity of at least 7 mAh/cm2 at a C-rate of C/2, andwherein the semi-solid anode and the semi-solid cathode each have a mixing index in the range of about 0.8 to 0.975. 23. The electrochemical cell of claim 22, wherein the electrochemical cell has an area specific capacity of at least 7 mAh/cm2 at a C-rate of C/4. 24. The electrochemical cell of claim 23, wherein the electrochemical cell has an area specific capacity of at least 8 mAh/cm2 at a C-rate of C/4. 25. The electrochemical cell of claim 22, wherein the semi-solid anode and the semi-solid cathode each have a thickness in the range of about 250 μm to about 600 μm. 26. The electrochemical cell of claim 25, wherein the semi-solid anode and the semi-solid cathode each have a thickness in the range of about 300 μm to about 600 μm. 27. The electrochemical cell of claim 26, wherein the semi-solid anode and the semi-solid cathode each have a thickness in the range of about 350 μm to about 600 μm. 28. The electrochemical cell of claim 27, wherein the semi-solid anode and the semi-solid cathode each have a thickness in the range of about 400 μm to about 600 μm. 29. The electrochemical cell of claim 22, wherein the first conductive material in the semi-solid anode is about 0.5% to about 2% by volume. 30. The electrochemical cell of claim 22, wherein the second active material in the semi-solid cathode is about 50% to about 75% by volume.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (76)
Kelsey G. Stephen ; Chalilpoyil Purush ; Trainer Philp D. ; Kaplan Alex ; Cintra George ; Vu Viet H. ; Sillesky John D., Alkaline cell with semisolid cathode.
Tsutsumi, Kazuo; Atsuta, Toshio; Kumagai, Chikanori; Kishimoto, Mitsuharu; Tsutsumi, Atsushi, Battery and equipment or device having the battery as part of structure and locally distributed power generation method and power generation device therefor.
Blazek Wayne W. (Milwaukee WI) Bolstad James J. (Milwaukee WI) Eidler Phillip A. (Muskego WI) Jahns Carl D. (Franklin WI) Miles Ronald C. (Milwaukee WI) Vidas Robin A. (Fenton MI) Lex Peter J. (Wauwa, Capacitor having non-conductive plastic frames.
Frosch Robert A. Administrator of the National Aeronautics and Space Administration ; with respect to an invention of ( Waltham MA) Giner Jose D. (Waltham MA) Cahill Kathleen J. (Waltham MA), Catalyst surfaces for the chromous/chromic redox couple.
Peled,Emanuel; Duvdevani,Tair; Melman,Avi; Aharon,Adi, Direct oxidation fuel cell with a divided fuel tank having a movable barrier pressurized by anode effluent gas.
Remick Robert J. (Naperville IL) Ang Peter G. P. (Naperville IL), Electrically rechargeable anionically active reduction-oxidation electrical storage-supply system.
Siu Stanley C. (Alameda CA) Evans James W. (Piedmont CA) Salas-Morales Juan (Berkeley CA), Electrically recharged battery employing a packed/spouted bed metal particle electrode.
Bernard Lionel (Lille FRX) Lelieur Jean-Pierre (Lambersart FRX) Le Mehaute Alain (Gif sur Yvette FRX), Electrochemical cell with a liquid negative electrode.
Medeiros, Maria G.; Dow, Eric G.; Bessette, Russell R.; Yan, Susan G.; Dischert, Dwayne W., High efficiency semi-fuel cell incorporating an ion exchange membrane.
Kazacos,Michael; Kazacos,Maria Skyllas, High energy density vanadium electrolyte solutions, methods of preparation thereof and all-vanadium redox cells and batteries containing high energy vanadium electrolyte solutions.
Michael Kazacos AU; Maria Skyllas Kazacos AU, High energy density vanadium electrolyte solutions, methods of preparation thereof and all-vanadium redox cells and batteries containing high energy vanadium electrolyte solutions.
Sonneveld Pieter J. (Helmond NLX), Metal suspension half-cell for an accumulator, method for operating such a half-cell and metal suspension accumulator co.
Pinto Martin ; Smedley Stuart ; Colborn Jeffrey A., Refuelable electrochemical power source capable of being maintained in a substantially constant full condition and method of using the same.
Doeff Marca M. (Hayward CA) Peng Marcus Y. (Cupertino CA) Ma Yanping (Albany CA) Visco Steven J. (Berkeley CA) DeJonghe Lutgard C. (Lafayette CA), Secondary cell with orthorhombic alkali metal/manganese oxide phase active cathode material.
Tan, Taison; Chiang, Yet-Ming; Ota, Naoki; Wilder, Throop; Duduta, Mihai, Asymmetric battery having a semi-solid cathode and high energy density anode.
Chiang, Yet-Ming; Carter, William Craig; Cross, III, James C.; Bazzarella, Ricardo; Ota, Naoki, Semi-solid electrode cell having a porous current collector and methods of manufacture.
Ota, Naoki; Tan, Taison; Fukushima, Takaaki; Yamaguchi, Naoaki; Mishima, Hiromitsu, Semi-solid electrodes with porous current collectors and methods of manufacture.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.