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1. (WO2018141723) ENERGY STORAGE SYSTEM AND CHARGE METHOD
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Pub. No.: WO/2018/141723 International Application No.: PCT/EP2018/052228
Publication Date: 09.08.2018 International Filing Date: 30.01.2018
IPC:
H01M 10/052 (2010.01) ,G01R 31/36 (2006.01) ,H01M 10/44 (2006.01) ,H01M 10/48 (2006.01) ,H01M 10/42 (2006.01)
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
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
36
Apparatus for testing electrical condition of accumulators or electric batteries, e.g. capacity or charge condition
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
44
Methods for charging or discharging
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
48
Accumulators combined with arrangements for measuring, testing, or indicating condition, e.g. level or density of the electrolyte
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
Applicants:
LITHIUM ENERGY AND POWER GMBH & CO. KG [DE/DE]; Heilbronner Str. 358 -360 70469 Stuttgart, DE
Inventors:
MASUDA, Hideki; JP
Agent:
BEE, Joachim; DE
Priority Data:
2017-01995806.02.2017JP
Title (EN) ENERGY STORAGE SYSTEM AND CHARGE METHOD
(FR) SYSTÈME DE STOCKAGE D'ÉNERGIE ET PROCÉDÉ DE CHARGE
Abstract:
(EN) To provide an energy storage system and a charge method that are capable of reducing the occurrence of electrodeposition on the surface of a negative active material layer during charging. One embodiment of the present invention provides an energy storage system including: an energy storage device, the energy storage device including a negative electrode plate including a negative active material layer, a nonaqueous electrolyte, and a reference electrode disposed in contact with the nonaqueous electrolyte; and an arithmetic unit that estimates a potential on a surface of the negative active material layer from a measured potential of the reference electrode. Another embodiment of the present invention provides a charge method including stopping charging or controlling a charge current on the basis of an estimated value of the potential on the surface of the negative active material layer using the energy storage system.
(FR) Selon la présente invention, pour fournir un système de stockage d'énergie et un procédé de charge qui sont susceptibles de réduire l'apparition d'électrodéposition sur la surface d'une couche de matériau actif négatif pendant la charge. Un mode de réalisation de la présente invention concerne un système de stockage d'énergie comprenant : un dispositif de stockage d'énergie, le dispositif de stockage d'énergie comprenant une plaque d'électrode négative comprenant une couche de matériau actif négatif, un électrolyte non aqueux, et une électrode de référence disposée en contact avec l'électrolyte non aqueux ; et une unité arithmétique qui estime un potentiel sur une surface de la couche de matériau actif négatif à partir d'un potentiel mesuré de l'électrode de référence. Un autre mode de réalisation de la présente invention concerne un procédé de charge consistant à arrêter la charge ou à commander un courant de charge sur la base d'une valeur estimée du potentiel sur la surface de la couche de matériau actif négatif à l'aide du système de stockage d'énergie.
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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)