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1. (WO2018221664) POSITIVE ELECTRODE ACTIVE SUBSTANCE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING SAME, POSITIVE ELECTRODE MIXTURE PASTE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
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Pub. No.: WO/2018/221664 International Application No.: PCT/JP2018/020988
Publication Date: 06.12.2018 International Filing Date: 31.05.2018
IPC:
H01M 4/36 (2006.01) ,H01M 4/1391 (2010.01) ,H01M 4/505 (2010.01) ,H01M 4/525 (2010.01)
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
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
13
Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
139
Processes of manufacture
1391
of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
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
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
52
of nickel, cobalt or iron
525
of mixed oxides or hydroxides containing iron, cobalt or nickel for inserting or intercalating light metals, e.g. LiNiO2, LiCoO2 or LiCoOxFy
Applicants:
住友金属鉱山株式会社 SUMITOMO METAL MINING CO., LTD. [JP/JP]; 東京都港区新橋五丁目11番3号 11-3, Shimbashi 5-chome, Minato-ku, Tokyo 1058716, JP
Inventors:
漁師 一臣 RYOSHI, Kazuomi; JP
大塚 良広 OTSUKA, Yoshihiro; JP
大下 寛子 OSHITA, Hiroko; JP
Agent:
西 和哉 NISHI, Kazuya; JP
宇佐美 亜矢 USAMI, Aya; JP
Priority Data:
2017-10803531.05.2017JP
Title (EN) POSITIVE ELECTRODE ACTIVE SUBSTANCE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY AND METHOD FOR PRODUCING SAME, POSITIVE ELECTRODE MIXTURE PASTE FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
(FR) SUBSTANCE ACTIVE D'ÉLECTRODE POSITIVE POUR BATTERIE SECONDAIRE À ÉLECTROLYTE NON AQUEUX ET SON PROCÉDÉ DE PRODUCTION, PÂTE DE MÉLANGE D'ÉLECTRODE POUR BATTERIE SECONDAIRE À ÉLECTROLYTE NON AQUEUX, ET BATTERIE SECONDAIRE À ÉLECTROLYTE NON AQUEUX
(JA) 非水系電解質二次電池用正極活物質とその製造方法、非水系電解質二次電池用正極合材ペーストおよび非水系電解質二次電池
Abstract:
(EN) Provided is a positive electrode active substance for a non-aqueous electrolyte secondary battery, which exhibits a high battery capacity when used in a positive electrode of a secondary battery and which can suppress gelling of a positive electrode mixture paste. This positive electrode active substance for a non-aqueous electrolyte secondary battery contains a lithium-nickel composite oxide represented by the general formula LiaNi1-x-yCoxMyO2+α (here, 0.01 ≤ x ≤ 0.35, 0 ≤ y ≤ 0.10, 0.95 ≤ a ≤ 1.10, 0 ≤ α ≤ 0.2, and M is at least one type of element selected from among Mn, V, Mg, Mo, Nb, Ti and Al), and a boron compound, wherein at least a part of the boron compound is present at the surface of the lithium-nickel composite oxide in the form of Li3BO3 and LiBO2, the mass ratio of Li3BO3 and LiBO2 (Li3BO3/LiBO2) is 0.005-10, and boron is contained at a quantity of 0.011-0.6 mass% relative to the overall quantity of the positive electrode active substance.
(FR) L'invention concerne une substance active d'électrode positive pour une batterie secondaire à électrolyte non aqueux, qui présente une capacité de batterie élevée lorsqu'elle est utilisée dans une électrode positive d'une batterie secondaire et qui peut supprimer la gélification d'une pâte de mélange d'électrode positive. Cette substance active d'électrode positive pour une batterie secondaire à électrolyte non aqueux contient un oxyde composite de lithium-nickel représenté par la formule générale LiaNi1-x-yCoxMyO2+α (dans laquelle, 0,01 ≤ x ≤ 0,35, 0 ≤ y ≤ 0,10, 0,95 ≤ a ≤ 1,10, 0 ≤ α ≤ 0,2, et M représente au moins un type d'élément choisi parmi Mn, V, Mg, Mo, Nb, Ti et Al), et un composé de bore, au moins une partie du composé de bore étant présente à la surface de l'oxyde composite de lithium-nickel sous le forme de Li3BO3 et de LiBO2, le rapport massique Li3BO3 et LiBO2 (Li3BO3/LiBO2) étant situé dans la plage allant de 0,005 à 10, et du bore étant contenu dans une quantité située dans la plage allant de 0,011 à 0,6 % en masse par rapport à la quantité globale de la substance active d'électrode positive.
(JA) 二次電池の正極に用いられた場合に高い電池容量を有し、かつ、正極合材ペーストのゲル化を抑制できる非水系電解質二次電池用正極活物質の提供。 一般式:LiNi1-x-yCo2+α(ただし、0.01≦x≦0.35、0≦y≦0.10、0.95≦a≦1.10、0≦α≦0.2、Mは、Mn、V、Mg、Mo、Nb、TiおよびAlから選ばれる少なくとも1種の元素)で表されるリチウムニッケル複合酸化物と、ホウ素化合物とを含む正極活物質であって、ホウ素化合物の少なくとも一部は、LiBOおよびLiBOの形態で、リチウムニッケル複合酸化物の表面に存在し、LiBOとLiBOとの質量比(LiBO/LiBO)が0.005以上10以下であり、ホウ素が、正極活物質全量に対して0.011質量%以上0.6質量%以下含まれる、非水系電解質二次電池用正極活物質。
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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: Japanese (JA)
Filing Language: Japanese (JA)