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1. (WO2018224358) BATTERY MANAGEMENT SYSTEM FOR A LITHIUM ION BATTERY OF AN ELECTRICAL APPLIANCE AND METHOD FOR OPERATING A LITHIUM ION BATTERY OF AN ELECTRICAL APPLIANCE
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Pub. No.: WO/2018/224358 International Application No.: PCT/EP2018/064071
Publication Date: 13.12.2018 International Filing Date: 29.05.2018
IPC:
G01R 31/36 (2006.01) ,H01M 10/44 (2006.01) ,H01M 10/48 (2006.01) ,H01M 10/42 (2006.01)
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:
EINHELL GERMANY AG [DE/DE]; Wiesenweg 22 99405 Landau/Isar, DE
Inventors:
THANNHUBER, Markus; DE
Agent:
HOFSTETTER SCHURACK & PARTNER; Balanstr. 57 81541 München, DE
Priority Data:
10 2017 112 355.506.06.2017DE
Title (EN) BATTERY MANAGEMENT SYSTEM FOR A LITHIUM ION BATTERY OF AN ELECTRICAL APPLIANCE AND METHOD FOR OPERATING A LITHIUM ION BATTERY OF AN ELECTRICAL APPLIANCE
(FR) SYSTÈME DE GESTION DE BATTERIE POUR UNE BATTERIE LITHIUM-ION D'UN APPAREIL ÉLECTRIQUE ET PROCÉDÉ DE FONCTIONNEMENT D'UNE BATTERIE LITHIUM-ION D'UN APPAREIL ÉLECTRIQUE
(DE) BATTERIEMANAGEMENTSYSTEM FÜR EINEN LITHIUM-IONEN-AKKUMULATOR EINES ELEKTROGERÄTS UND VERFAHREN ZUM BETREIBEN EINES LITHIUM-IONEN-AKKUMULATORS EINES ELEKTROGERÄTS
Abstract:
(EN) The invention relates to a battery management system (12) for a lithium ion battery (2) of an electrical appliance (1), in particular an electrical hand tool or electrical gardening tool, which is configured in order to determine a difference between a current (14) required by the electrical appliance (1) and a predetermined measuring current (18) which can be provided electrochemically by means of the lithium ion battery (2), and to cover the difference using a dielectric capacitance of the lithium ion battery (2) in so far as this does not result in departure from predetermined acceptable operating states of the lithium ion battery (2). The invention further relates to a method for operating a lithium ion battery (2) of an electrical appliance (1).
(FR) L'invention concerne un système de gestion de batterie (12) pour une batterie lithium-ion (2) d'un appareil électrique (1), en particulier d'un outil électrique à main ou d'un appareil de jardinage électrique, qui est conçu pour déterminer une différence entre une demande de courant (14) de l'appareil électrique (1) et un courant assigné prédéfini (18) qui peut être fourni électrochimiquement au moyen de la batterie lithium-ion (2), et pour couvrir la différence au moyen d’une capacité diélectrique de la batterie lithium-ion (2) tout en respectant des états de fonctionnement admissibles prédéfinis de la batterie lithium-ion (2). L'invention concerne en outre un procédé de fonctionnement d’une batterie lithium-ion (2) d’un appareil électrique (1).
(DE) Die Erfindung betrifft ein Batteriemanagementsystem (12) für einen Lithium-Ionen-Akkumulator (2) eines Elektrogeräts (1), insbesondere eines elektrischen Handwerkzeugs oder elektrischen Gartengeräts, welches dazu eingerichtet ist, eine Differenz zwischen einer Stromanforderung (14) des Elektrogeräts (1) und eines vorgegebenen Bemessungsstroms (18), welcher mittels des Lithium-Ionen-Akkumulators (2) elektrochemisch bereitstellbar ist, zu bestimmen und die Differenz unter Ausnutzung einer dielektrischen Kapazität des Lithium-Ionen-Akkumulators (2) insoweit abzudecken, wie dadurch vorgegebene zulässige Betriebszustände des Lithium-Ionen-Akkumulators (2) nicht verlassen werden. Die Erfindung betrifft des Weiteren ein Verfahren zum Betreiben eines Lithium-Ionen-Akkumulators (2) eines Elektrogeräts (1).
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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: German (DE)
Filing Language: German (DE)