ClassID:

202074

H01G11/44 - CPC Classification

Classification description:

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; Electrodes characterised by their material; Carbon-based Raw materials therefor, e.g. resins or coal

Recent Application in this class:
#1
20260128238
2026-05-07

USE OF ZEOLITE-TEMPLATED CARBON (ZTCS) AS ELECTRODES FOR SUPERCAPACITORS

#2
20250239405
2025-07-24

SYSTEMS AND METHODS FOR STORING ELECTRICAL ENERGY

#3
20250210280
2025-06-26

PHYSICALLY ACTIVATED CARBON FOR ALL-SOLID-STATE SUPERCAPACITORS AND METHODS OF PREPARATION THEREOF

#4
20250197222
2025-06-19

ACCORDION-SHAPED LIGNIN CUBIC CARBON MATERIAL, AND PREPARATION THEREFOR AND APPLICATION THEREOF IN SUPERCAPACITOR

#5
20250149263
2025-05-08

SUPERCONDUCTOR CONTAINING NATURALLY-SOURCED ACTIVATED CARBON

#6
20250145469
2025-05-08

ASPHALT-BASED HOLLOW ACTIVATED CARBON MICROSPHERE AND METHOD FOR PREPARING SAME, ELECTRODE SHEET, AND SUPERCAPACITOR

#7
20250132103
2025-04-24

SYSTEM AND METHOD FOR PREPARING SUPERCAPACITORS UTILIZING THREE-DIMENSIONAL HIERARCHICAL POROUS NITROGEN-DOPED REDUCED GRAPHENE-OXIDE

#8
20240412928
2024-12-12

Date stone activated carbon supercapacitor

#9
20240332530
2024-10-03

BIOMASS- DERIVED CARBON

#10
20240150514
2024-05-09

PREPARATION OF POLYMERIC RESINS AND CARBON MATERIALS

#11
20230399453
2023-12-14

Preparation of polymeric resins and carbon materials

#12
20230399452
2023-12-14

Preparation of polymeric resins and carbon materials

#13
20230383045
2023-11-30

PREPARATION OF POLYMERIC RESINS AND CARBON MATERIALS

#14
20230348652
2023-11-02

Preparation of polymeric resins and carbon materials

#15
20230282830
2023-09-07

Battery electrode composition comprising biomass-derived carbon

#16
20230022154
2023-01-26

Preparation of polymeric resins and carbon materials

#17
20230016325
2023-01-19

Preparation of polymeric resins and carbon materials

#18
20220389146
2022-12-08

Preparation of polymeric resins and carbon materials

#19
20220302452
2022-09-22

Battery electrode composition comprising biomass-derived carbon

#20
20220165512
2022-05-26

ELECTRODE FOR CAPACITORS, METHOD FOR PRODUCING SAME, AND CAPACITOR

#21
20220139639
2022-05-05

Storing energy in carbon fiber-based electric vehicle body panels

#22
20210296652
2021-09-23

Electrically conductive composite material and method

#23
20210134536
2021-05-06

High frequency supercapacitors and methods of making same

#24
20210028442
2021-01-28

COMPOSITE BODY, ELECTRODE MATERIAL FOR ELECTRICITY STORAGE DEVICES, AND ELECTRICITY STORAGE DEVICE

#25
20210024428
2021-01-28

Filamentous organism-derived carbon-based materials, and methods of making and using same

#26
20210020385
2021-01-21

Carbonaceous material for electric double layer capacitors and method for producing same

#27
20200259178
2020-08-13

CARBON MATERIALS COMPRISING ENHANCED ELECTROCHEMICAL PROPERTIES

#28
20200194189
2020-06-18

ACTIVATED CARBONS FROM DAIRY PRODUCTS

#29
20200185159
2020-06-11

High frequency supercapacitors and methods of making same

#30
20200102220
2020-04-02

Three-dimensional hierarchical porous carbon foams for supercapacitors

#31
20200098520
2020-03-26

Systems and methods for storing electrical energy

#32
20200091517
2020-03-19

Battery electrode composition comprising biomass-derived carbon

#33
20200075268
2020-03-05

Method of making a porous nitrogen-doped carbon electrode from biomass

#34
20200048095
2020-02-13

METHODS FOR PRODUCING CARBON MATERIAL-GRAPHENE COMPOSITE FILMS

#35
20190341202
2019-11-07

Carbonaceous material for electric double layer capacitors and method for producing same

#36
20190308880
2019-10-10

Three-dimensional (3D) printing of graphene materials

#37
20190270677
2019-09-05

Filamentous organism-derived carbon-based materials, and methods of making and using same

#38
20190245209
2019-08-08

Conductive carbon, electrode material including said conductive carbon, and electrode using said electrode material

#39
20190198862
2019-06-27

High Performance Carbonized Plastics for Energy Storage

#40
20190131613
2019-05-02

Methods and apparatuses for energy storage device electrode fabrication

#41
20190119120
2019-04-25

Heteroatom-doped porous carbons for clean energy applications and methods for their synthesis

#42
20190080856
2019-03-14

Supercapacitor electrode having highly oriented and closely packed expanded graphite flakes

#43
20180374657
2018-12-27

Porous carbon material for electric double-layer capacitor electrode, method of producing the same, and electric double-layer capacitor electrode

#44
20180370803
2018-12-27

Supercritical fluid process for producing graphene dispersion from coke or coal

#45
20180366279
2018-12-20

CAPACITOR ELECTRODE MATERIAL AND CAPACITOR

#46
20180358619
2018-12-13

Carbon electrode and lithium ion hybrid capacitor comprising same

#47
20180351201
2018-12-06

Method of producing a shape-conformable alkali metal battery having a conductive and deformable quasi-solid polymer electrode

#48
20180351200
2018-12-06

Shape-conformable alkali metal battery having a conductive and deformable quasi-solid polymer electrode

#49
20180330894
2018-11-15

ACTIVATED CARBON AND ELECTRIC DOUBLE LAYER CAPACITOR THEREOF

#50
20180204687
2018-07-19

Flexible and conductive waste tire-derived carbon/polymer composite paper as pseudocapacitive electrode

#51
20180162733
2018-06-14

Carbonaceous material for electronic materials

#52
20180019071
2018-01-18

Supercritical fluid production of graphene-based supercapacitor electrode from coke or coal

#53
20180019069
2018-01-18

Production of Graphene-Based Supercapacitor Electrode from Coke or Coal Using Direct Ultrasonication

#54
20170346131
2017-11-30

Method for producing composite body of lithium titanate particles and carbonaceous material, and composite body of lithium titanate particles and carbonaceous material

#55
20170323737
2017-11-09

Electrode material for electrochemical capacitor, electrode coating solution for electrochemical capacitor, electrode for electrochemical capacitor, and electrochemical capacitor

#56
20170301484
2017-10-19

High surface area carbon materials and methods for making same

#57
20170200566
2017-07-13

High temperature oxygen treated carbon aerogels

#58
20170197839
2017-07-13

Gelled aqueous polymer composition, pyrolysed carbonated composition produced therefrom for a supercapacitor electrode, and methods for the production thereof

#59
20170186561
2017-06-29

Graphene-ionic liquid composites

#60
20170170478
2017-06-15

Electrode material, and lithium-ion battery or lithium-ion capacitor using same

#61
20170162340
2017-06-08

ENERGY STORAGE DEVICE AND METHODS FOR MAKING AND USE

#62
20170152340
2017-06-01

Preparation of polymeric resins and carbon materials

#63
20170148581
2017-05-25

Poly-vinylidene difluoride anode binder in a lithium ion capacitor

#64
20170140881
2017-05-18

Activated carbons from dairy products

#65
20170098511
2017-04-06

Ionic polymer membrane comprising radiation-crosslinkable poly(vinyl alcohol) and method of preparation thereof

#66
20170092441
2017-03-30

Method of making a carbon composition for an anode

#67
20170088428
2017-03-30

Carbon nanosheets

#68
20170077519
2017-03-16

Conductive carbon, electrode material including said conductive carbon, and electrode using said electrode material

#69
20170062141
2017-03-02

Porous particles of interconnected 3D graphene as a supercapacitor electrode active material and production process

#70
20170047173
2017-02-16

Porous carbon material for electrode of energy storage device and method for manufacturing said material

#71
20160372750
2016-12-22

CARBON MATERIALS COMPRISING ENHANCED ELECTROCHEMICAL PROPERTIES

#72
20160358718
2016-12-08

Capacitor electrode material, method for producing same, and electric double layer capacitor

#73
20160351346
2016-12-01

Flexible and conductive waste tire-derived carbon/polymer composite paper as pseudocapacitive electrode

#74
20160340476
2016-11-24

Process for preparing an electrode composition or composition with magnetic properties, mixture and composition obtained by means of said process and said electrode

#75
20160314908
2016-10-27

Poly-vinylidene difluoride anode binder in a lithium ion capacitor

#76
20160225541
2016-08-04

Phenolic resin sourced carbon anode in a lithium ion capacitor

#77
20160225540
2016-08-04

Anode for lithium ion capacitor

#78
20160225539
2016-08-04

Coke sourced anode for lithium ion capacitor

#79
20160172122
2016-06-16

Activated carbon and electric double layer capacitor thereof

#80
20160141114
2016-05-19

NANOCOMPOSITE OF MULTILAYER FULLERENES WITH TRANSITION METAL OXIDE NANOPARTICLES AND A PROCESS FOR THE PREPARATION THEREOF

#81
20160096751
2016-04-07

Concentric layer electric double layer capacitor cylinder, system, and method of use

#82
20160093449
2016-03-31

High-capacity slurry electrode and flow energy storage system based on same

#83
20160060125
2016-03-03

Electrode material, electrode and electrical storage device

#84
20160039680
2016-02-11

Process of converting textile or plastic solid waste into activated carbon

#85
20160012980
2016-01-14

Activated carbon for an electric double-layer capacitor electrode and manufacturing method for same

#86
20150364266
2015-12-17

Energy storage device and methods for making and use

#87
20150364265
2015-12-17

Method for preparing fluorine/nitrogen co-doped graphitized carbon microspheres with high volumetric specific capacitance

#88
20150340169
2015-11-26

SUPERCAPACITOR

#89
20150318121
2015-11-05

METHOD FOR MANUFACTURING ELECTRICAL DOUBLE LAYER CAPACITOR ELECTRODES

#90
20150311002
2015-10-29

Nonaqueous lithium storage element

#91
20150287543
2015-10-08

Graphene-ionic liquid composites

#92
20150270072
2015-09-24

Carbonaceous material for negative electrodes of lithium ion capacitors and method for producing same

#93
20150030527
2015-01-29

High voltage EDLC electrodes containing COactivated coconut char

#94
20140328006
2014-11-06

Carbon nanosheets

#95
20140118884
2014-05-01

Porous carbon material and manufacturing method thereof and supercapacitor

#96
20140092528
2014-04-03

High surface area carbon materials and methods for making same

#97
20130295492
2013-11-07

Electrode, and lithium ion secondary battery, electric double layer capacitor and fuel cell using the same

#98
20130280601
2013-10-24

Preparation of polymeric resins and carbon materials

#99
20130208404
2013-08-15

Lithium ion capacitor

#100
20130027845
2013-01-31

Activated carbon for electric double layer capacitor electrode and method for producing the activated carbon

#101
20130022532
2013-01-24

Steam activated non-lignocellulosic based carbons for ultracapacitors

#102
20120321952
2012-12-20

METHOD FOR PRODUCING POROUS METAL BODY, POROUS ALUMINUM BODY, BATTERY ELECTRODE MATERIAL INCLUDING POROUS METAL BODY OR POROUS ALUMINUM BODY, AND ELECTRODE MATERIAL FOR ELECTRICAL DOUBLE LAYER CAPACITOR

#103
20120321951
2012-12-20

METHOD FOR PRODUCING POROUS METAL BODY, POROUS ALUMINUM BODY, BATTERY ELECTRODE MATERIAL INCLUDING POROUS METAL BODY OR POROUS ALUMINUM BODY, AND ELECTRODE MATERIAL FOR ELECTRICAL DOUBLE LAYER CAPACITOR

#104
20120241691
2012-09-27

Nitrogen-containing porous carbon material and method of producing the same, and electric double-layer capacitor using the nitrogen-containing porous carbon material

#105
20120214375
2012-08-23

Process of making a carbon fiber nonwoven fabric

#106
20120214072
2012-08-23

Electrode materials with high surface conductivity

#107
20120213919
2012-08-23

Electrode materials with high surface conductivity

#108
20120202033
2012-08-09

Carbon materials comprising enhanced electrochemical properties

#109
20120121982
2012-05-17

Electrode Active Material, Electrode, And Electricity Storage Device

#110
20120070735
2012-03-22

Method for producing porous metal body, porous aluminum body, battery electrode material including porous metal body or porous aluminum body, and electrode material for electrical double layer capacitor

#111
20120067731
2012-03-22

MANUFACTURING METHOD OF ALUMINUM STRUCTURE AND ALUMINUM STRUCTURE

#112
20110267740
2011-11-03

PACKAGING FOR ELECTROCHEMICALLY ACTIVE MATERIALS, DEVICES MADE THEREFROM, AND METHODS OF MAKING THE SAME

#113
20110267737
2011-11-03

Raw coke for electricity storage carbon material and needle coke

#114
20110253593
2011-10-20

Raw coke for electricity storage carbon material and needle coke

#115
20110236567
2011-09-29

METHOD OF FORMING ELECTRODE

#116
20110183841
2011-07-28

High-capacitance and low-oxygen porous carbon for EDLCs

#117
20110182000
2011-07-28

Microporous activated carbon for EDLCS

#118
20110160038
2011-06-30

Carbon material for electric double layer capacitor and process for producing the carbon material

#119
20110097479
2011-04-28

Electrode materials with high surface conductivity

#120
20110086273
2011-04-14

Electrode materials with high surface conductivity

#121
20110056843
2011-03-10

Concentric layer electric double layer capacitor cylinder, system, and method of use

#122
20100159346
2010-06-24

Electrode, and lithium ion secondary battery, electric double layer capacitor and fuel cell using the same

#123
20100150814
2010-06-17

Methods for forming activated carbon material for high energy density ultracapacitors

#124
20100128415
2010-05-27

Lithium ion capacitor

#125
20100027193
2010-02-04

Coated electrode and organic electrolyte capacitor

#126
20100002361
2010-01-07

Polarized electrode and electric double-layer capacitor

#127
20090268375
2009-10-29

Raw coke for electricity storage carbon material and needle coke

#128
20090237860
2009-09-24

Feedstock composition and raw coke for electricity storage carbon material and needle coke

#129
20090109599
2009-04-30

High energy density ultracapacitor

#130
20080257721
2008-10-23

Electrode materials with high surface conductivity

#131
20080144255
2008-06-19

Raw material carbon composition for carbon material for electrode in electric double layer capacitor

#132
20080094777
2008-04-24

Electric double layer capacitor

#133
20070258189
2007-11-08

Raw-material carbon composition for carbon material for electrode of electric double-layer capacitor

#134
20070238612
2007-10-11

Alkali-activated carbon for electric double layer capacitor electrode

#135
20070183958
2007-08-09

Process for producing activated carbon for electrode of electric double-layer capacitor

#136
20070041147
2007-02-22

Electric double layer capacitor, activated carbon for electrode therefor and method for producing the same

#137
20070010666
2007-01-11

Hydrocarbon material and method for preparation thereof

#138
20060176646
2006-08-10

Electric double-layer capacitor

#139
20060060827
2006-03-23

Electrode materials with high surface conductivity

#140
20050262674
2005-12-01

Composite electrode and current collectors and processes for making the same

#141
20050231892
2005-10-20

High energy density electric double-layer capacitor and method for producing the same

#142
20050181941
2005-08-18

Method for manufacturing activated carbon, polarizable electrode, and electric double-layered capacitor

#143
20050014643
2005-01-20

Electrochemical double-layer energy storage cells with high energy density and high power density

#144
16602691
2024-04-30

Enhanced 3D porous architectured electroactive devices via impregnated porogens

#145
15670459
2018-12-18

Supercapacitor electrode having highly oriented and closely packed expanded graphite flakes and production process