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1. (WO2018089763) SYSTEMS AND PROCESSES FOR ASSESSING ELECTROCHEMICAL CELL QUALITY
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Pub. No.: WO/2018/089763 International Application No.: PCT/US2017/061056
Publication Date: 17.05.2018 International Filing Date: 10.11.2017
IPC:
G01N 27/20 (2006.01) ,H01M 10/42 (2006.01) ,G01R 31/02 (2006.01) ,H01M 10/0525 (2010.01)
G PHYSICS
01
MEASURING; TESTING
N
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
27
Investigating or analysing materials by the use of electric, electro-chemical, or magnetic means
02
by investigating impedance
04
by investigating resistance
20
Investigating the presence of flaws
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10
Secondary cells; Manufacture thereof
42
Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
G PHYSICS
01
MEASURING; TESTING
R
MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
31
Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
02
Testing of electric apparatus, lines, or components for short-circuits, discontinuities, leakage, or incorrect line connection
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
10
Secondary cells; Manufacture thereof
05
Accumulators with non-aqueous electrolyte
052
Li-accumulators
0525
Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
Applicants:
CAMX POWER, L.L.C. [US/US]; 35 Hartwell Avenue Lexington, MA 02421, US
Inventors:
MCCOY, Christopher, H.; US
Agent:
GOULD, Weston; US
ANDERSON, Thomas, E.; US
CHAU, John; US
CHOI, Yongsok; US
CITKOWSKI, Ronald, W.; US
Priority Data:
62/420,05310.11.2016US
Title (EN) SYSTEMS AND PROCESSES FOR ASSESSING ELECTROCHEMICAL CELL QUALITY
(FR) SYSTÈMES ET PROCÉDÉS D'ÉVALUATION D'UNE QUALITÉ D'UNE CELLULE ÉLECTROCHIMIQUE
Abstract:
(EN) A process and system for measuring internal faults in an electrochemical cell. The process for detecting an internal fault in an electrochemical cell includes measuring a voltage difference or a rate of change in voltage difference between a common terminal of a first electrochemical cell and a second electrochemical cell. The measuring is a time measurement. The first electrochemical cell or second electrochemical cell is accepted based on the measuring, or first electrochemical cell or second electrochemical cell is rejected based on the measure of the internal fault of the electrochemical cell.
(FR) L'invention concerne un procédé et un système de mesure des défauts internes d'une cellule électrochimique. Le procédé de détection d'un défaut interne d'une cellule électrochimique comprend une étape consistant à mesurer une différence de tension ou un taux de variation d'une différence de tension entre une borne commune d'une première cellule électrochimique et celle d'une seconde cellule électrochimique. La mesure est une mesure temporelle. La première ou la seconde cellule électrochimique est acceptée ou rejetée sur la base de la mesure du défaut interne de la cellule électrochimique.
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Designated States: 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
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (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, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)