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1. (WO2019049719) POWER SUPPLY SYSTEM
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Pub. No.: WO/2019/049719 International Application No.: PCT/JP2018/031675
Publication Date: 14.03.2019 International Filing Date: 28.08.2018
IPC:
H01M 10/48 (2006.01) ,G01R 31/36 (2006.01) ,H01M 4/485 (2010.01) ,H01M 4/505 (2010.01) ,H01M 10/0525 (2010.01) ,H01M 10/44 (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
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
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
4
Electrodes
02
Electrodes composed of, or comprising, active material
36
Selection of substances as active materials, active masses, active liquids
48
of inorganic oxides or hydroxides
485
of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
4
Electrodes
02
Electrodes composed of, or comprising, active material
36
Selection of substances as active materials, active masses, active liquids
48
of inorganic oxides or hydroxides
50
of manganese
505
of mixed oxides or hydroxides containing manganese for inserting or intercalating light metals, e.g. LiMn2O4 or LiMn2OxFy
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
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
Applicants:
株式会社デンソー DENSO CORPORATION [JP/JP]; 愛知県刈谷市昭和町1丁目1番地 1-1, Showa-cho, Kariya-city, Aichi 4488661, JP
Inventors:
安達 紀和 ADACHI Norikazu; JP
山根 智樹 YAMANE Tomoki; JP
末永 貴郎 SUENAGA Takao; JP
Agent:
特許業務法人あいち国際特許事務所 AICHI, TAKAHASHI, IWAKURA & ASSOCIATES; 愛知県名古屋市中村区名駅3丁目26番19号 名駅永田ビル Meieki Nagata Building, 26-19, Meieki 3-chome, Nakamura-ku, Nagoya-shi, Aichi 4500002, JP
Priority Data:
2017-17428811.09.2017JP
Title (EN) POWER SUPPLY SYSTEM
(FR) SYSTÈME D'ALIMENTATION ÉLECTRIQUE
(JA) 電源システム
Abstract:
(EN) This power supply system is provided with a secondary battery (2) and a control unit (3). An electrode (4) of the secondary battery (2) has a singular point (A) at which the amount of change (ΔV/ΔQ) of an output voltage (V) with respect to a capacity (Q) singularly changes. The control unit (3) is provided with a detection unit (31) and a calculation setting unit (32). The detection unit (31) causes a change in a capacity (Q) of the secondary battery (2), and detects a singular point capacity (a, b) which is a capacity (Q) at which the singular point (A) appears. The calculation setting unit (32), when the secondary battery (2) has degraded, calculates and sets an upper limit value (QH) and/or a lower limit value (QL) of the capacity using a detected value (a2, b2) of the singular point capacity (a, b) after the degradation, so that a potential (EP) of the electrode (4) does not exceed a predetermined range (ETH1 to ETH2).
(FR) Cette invention concerne un système d'alimentation électrique, comprenant une batterie rechargeable (2) et une unité de commande (3). Une électrode (4) de la batterie rechargeable (2) a un point singulier (A) auquel la grandeur de changement (ΔV/ΔQ) d'une tension de sortie (V) par rapport à une capacité (Q) change de manière singulière. L'unité de commande (3) est pourvue d'une unité de détection (31) et d'une unité de réglage de calcul (32). L'unité de détection (31) provoque un changement de capacité (Q) de la batterie rechargeable (2), et détecte une capacité de point singulier (a, b) qui est une capacité (Q) à laquelle apparaît le point singulier (A). L'unité de réglage de calcul (32), lorsque la batterie rechargeable (2) s'est dégradée, calcule et définit une valeur limite supérieure (QH) et/ou une valeur limite inférieure (QL) de la capacité à l'aide d'une valeur détectée (a2, b2) de la capacité de point singulier (a, b) après la dégradation, de sorte qu'un potentiel (EP) de l'électrode (4) ne dépasse pas une plage prédéterminée (ETH1 à ETH2).
(JA) 二次電池(2)と制御部(3)とを備える。二次電池(2)の電極(4)は、容量(Q)に対する出力電圧(V)の変化量(ΔV/ΔQ)が特異的に変化する特異点(A)を有する。制御部(3)は、検出部(31)と算出設定部(32)とを備える。検出部(31)は、二次電池(2)の容量(Q)を変化させ、特異点(A)が現れる容量(Q)である特異点容量(a,b)を検出する。算出設定部(32)は、二次電池(2)が劣化したときに、電極(4)の電位(EP)が予め定められた範囲(ETH1~ETH2)を超えないように、劣化後における特異点容量(a,b)の検出値(a2,b2)を用いて、容量の上限値(QH)と下限値(QL)との少なくとも一方を算出し、設定する。
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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, 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: Japanese (JA)
Filing Language: Japanese (JA)