Patent SG-11201807925R-A (SG)
Title: In-situ gravitational separation of electrolyte solutions in flow redox battery systems
Inventor: HAMMAD AHMAD D
IPC: H01M8/18
Filed: 2017-03-13
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property -, Organization IIIM141101110101011111 HO 1111101110111100111110111 NH III International Bureau 0.. .... .. ..... ..or::,„, (10) International Publication Number (43) International Publication Date WO 2017/160712 Al 21 September 2017 (21.09.2017) WIP0 I PCT (51) International Patent Classification: (81) Designated States (unless otherwise indicated, for every HO1M 8/18 (2006.01) kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, (21) International Application Number: BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, PCT/US2017/022092 DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, (22) International Filing Date: HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KH, KN, 13 March 2017 (13.03.2017) KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, (25) Filing Language: English NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, (26) Publication Language: English RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, (30) Priority Data: ZA, ZM, ZW. 15/072,912 17 March 2016 (17.03.2016) US (84) Designated States (unless otherwise indicated, for every (71) Applicant: SAUDI ARABIAN OIL COMPANY kind of regional protection available): ARIPO (BW, GH, [SA/SA]; Post Office Box 5000, Dhahran, 31311 (SA). GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, (71) Applicant (for AG only): ARAMCO SERVICES COM- PANY [US/US]; 9009 West Loop South, Houston, Texas TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, 77096 (US). DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, (72) Inventors: HAMMAD, Ahmad D.; c/o Saudi Arabian Oil SM, TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, Company, Post Office Box 5000, Dhahran, 31311 (SA). GW, KM, ML, MR, NE, SN, TD, TG). SOUENTIE, Stamatios; c/o Saudi Arabian Oil Company, Declarations under Rule 4.17: _ Post Office Box 5000, Dhahran, 31311 (SA). — — — as to applicant's entitlement to apply for and be granted a (74) Agents: KALTER, Alexander J. et al.; Dinsmore & patent (Rule 4.1700) = Shohl LLP, One South Main Street, Fifth Third Center, Suite 1300, Dayton, Ohio 45402 (US). = = [Continued on next page] (54) Title: IN-SITU GRAVITATIONAL SEPARATION OF ELECTROLYTE SOLUTIONS IN FLOW REDOX BATTERY SYS- = TEMS = (57) : A flow redox battery system in- - = 170 cluding an electrochemical cell, an anolyte k 174 100 tank, a catholyte tank, a first anolyte carrier = slurry, a second anolyte carrier slurry, a first - = = 13 s 10 [72 172 132 _. ) 2 j-6 catholyte carrier slurry, a second catholyte car- rier slurry, and a power generation circuit. An 102 ? 14 ( 142 ion-exchange membrane is electrochemically = 06 - engaged with an anode and a cathode. The power generation circuit is electrically coupled = 1502 — — = 10 106- 1 r _ 1 ' 107 05 — F_, ' `---107 1103 108 to the anode and the cathode. The anolyte tank „--154 is fluidly coupled to the anode and the catholyte tank is fluidly coupled to the cathode. The first anolyte carrier slurry includes a density less than a density of the second anolyte carrier 152 11 .4 116 102 ( -I 114 20 L ) 104 122 V124 --\---126 102 slurry and an electronegativity different than an electronegativity of the second anolyte carrier 156 - slurry. Further, the first catholyte carrier slurry includes a density less than a density of the ei '-) - 112 110 r ) second catholyte carrier slurry and an elec- tronegativity different than an electronegativity 1-1 IN 130 154 -7- 138 148 ' c- 144 140 of the second catholyte carrier slurry. © 139 103 103 149 1-1 FIG. 1 IN 1-1 0 ei O WO 2017/160712 Al 11111111011110111011111111111010101111111110011111111011101E0#011# — as to the applicant's entitlement to claim the the earlier application (Rule 4.17(iii)) Published: — with international search report (Art. 21(3)) priority of — with amended claims (Art. 19(1))