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1. (WO2017182891) AN IMPROVED METHOD FOR PREPARING AQUEOUS MNO2 INK AND CAPACITIVE ENERGY STORAGE
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Pub. No.: WO/2017/182891 International Application No.: PCT/IB2017/051244
Publication Date: 26.10.2017 International Filing Date: 03.03.2017
IPC:
C09D 11/00 (2014.01) ,H01G 11/86 (2013.01) ,H01G 11/46 (2013.01)
C CHEMISTRY; METALLURGY
09
DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
D
COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
11
Inks
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
G
CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11
Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
84
Processes for the manufacture of hybrid or EDL capacitors, or components thereof
86
specially adapted for electrodes
H ELECTRICITY
01
BASIC ELECTRIC ELEMENTS
G
CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
11
Hybrid capacitors, i.e. capacitors having different positive and negative electrodes; Electric double-layer [EDL] capacitors; Processes for the manufacture thereof or of parts thereof
22
Electrodes
30
characterised by their material
46
Metal oxides
Applicants:
THE HONG KONG POLYTECHNIC UNIVERSITY [CN/CN]; Hung Hom Kowloon Hong Kong, CN
Inventors:
QIAN, Jiasheng; CN
YUAN, Jikang; CN
LAU, Shu Ping; CN
Agent:
MCLEAN, Jeffrey; CN
Priority Data:
62/324,89220.04.2016US
Title (EN) AN IMPROVED METHOD FOR PREPARING AQUEOUS MNO2 INK AND CAPACITIVE ENERGY STORAGE
(FR) PROCÉDÉ AMÉLIORÉ DE PRÉPARATION D’ENCRE AQUEUSE MNO2 ET STOCKAGE CAPACITIF D’ÉNERGIE
Abstract:
(EN) A method of preparing manganese dioxide(MnO 2) ink comprises mixing potassium permanganate(KMnO 4) solution with highly crystalline carbon particles(HCCPs) with average diameters less than 800 nm at 30-60℃ for at least 8 hours. Also provided are symmetric supercapacitor device comprising MnO 2coated electrodes and solid state ionic liquid as electrolyte, as well as interdigital transparent supercapacitor device comprising aqueous MnO 2 ink.
(FR) La présente invention décrit un procédé de préparation d’une encre à base de dioxyde de manganèse (MnO2) comprenant le mélange d’une solution de permanganate de potassium (KMnO4) avec des particules de carbone fortement cristallines présentant des diamètres moyens inférieurs à 800 nm à 30 à 60 °C durant au moins 8 heures. Sont également décrits un dispositif supercondensateur symétrique comprenant des électrodes revêtues de MnO2 et un liquide ionique à l’état solide comme électrolyte, ainsi qu’un dispositif supercondensateur transparent interdigité comprenant de l’encre aqueuse MnO2.
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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, 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)