Patent SG-11201907477V-A (SG)
Title: Half-cell electrochemical configurations for self-cleaning electrochlorination devices
Inventor: Griffis Joshua
IPC: H01M10/052
Filed: 2018-03-06
Abstract: INTERNATIONAL APPLICATION PUBLISHED UNDER THE PATENT COOPERATION TREATY (PCT) (19) World Intellectual Property Organization International Bureau (43) International Publication Date 13 September 2018 (13.09.2018) WIPO I PCT IiiimmomiolollmonolomommuolonomovoimIE (10) International Publication Number WO 2018/165118 Al -4 0 (51) International Patent Classification: HO1M 10/052 (2010.01) HO1M 10/0568 (2010.01) HO1M 10/054 (2010.01) (21) International Application Number: PCT/US2018/021088 (22) International Filing Date: 06 March 2018 (06.03.2018) (25) Filing Language: English (26) Publication Language: English (30) Priority Data: 62/467,518 06 March 2017 (06.03.2017) US 62/468,544 08 March 2017 (08.03.2017) US 62/469,224 09 March 2017 (09.03.2017) US (71) Applicant: EVOQUA WATER TECHNOLOGIES LLC [US/US]; 210 Sixth Avenue, Suite 3300, Pittsburgh, Penn- sylvania 01851 (US). (72) Inventors: GRIFFIS, Joshua; 20 Whitney Drive, Ash- burnham, Massachusetts 01430 (US). GU, George Y.; 4 Mulberry Circle, Andover, Massachusetts 01810 (US). DUKES, Simon Paul; 10 Wiggin Street, Chelmsford, Massachusetts 01824 (US). SHAW, Michael J.; 6 Pingree Hill Road, Deny, New Hampshire 03038 (US). (74) Agent: WILKINS, Frederick C.; 10 Technology Drive, Lowell, Massachusetts 01851 (US). (81) Designated States (unless otherwise indicated, for every kind of national protection available): AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DJ, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JO, JP, KE, KG, KH, KN, KP, KR, KW, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, 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, ZA, ZM, ZW. (84) Designated States (unless otherwise indicated, for every kind of regional protection available): ARIPO (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW), Eurasian (AM, AZ, BY, KG, KZ, RU, TJ, TM), European (AL, AT, BE, BG, CH, CY, CZ, DE, 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, SM, (54) Title: HALF-CELL ELECTROCHEMICAL CONFIGURATIONS FOR SELF-CLEANING ELECTROCHLORINATION DE- - VICES Pulse shapes 4 50 100 150 200 250 Time(sec) FIG. 10A (57) : An electrochemical cell including a first chamber having an anode, a second chamber having a cathode, at least one ionic connection between the first chamber and the second chamber, such that liquid electrolyte from the first chamber is prevented from mixing with liquid electrolyte in the second chamber is provided. The first chamber and the second chamber can be arranged in parallel and positioned remotely from each other. An electrochemical system including the electrochemical cell, and first and second sources of saline aqueous solutions is also provided. Water treatment systems are also provided. A method of operating an electrochemical cell including introducing first and second saline aqueous solutions into first and second chambers of the electrochemical cell, and applying a current across the anode and the cathode to generate first and second products, respectively is also provided. A method of facilitating operation of an electrochemical cell is also provided. [Continued on next page] WO 2018/165118 Al MIDEDIM01101 DIONE10131111110111111111111011111111111111111 TR), OAPI (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG). Published: with international search report (Art. 21(3)) before the expiration of the time limit for amending the claims and to be republished in the event of receipt of amendments (Rule 48.2(h))