ClassID:

213649

H01M8/20 - CPC Classification

Classification description:

Fuel cells; Manufacture thereof Indirect fuel cells, e.g. fuel cells with redox couple being irreversible

Recent Application in this class:
#1
20250055007
2025-02-13

ELECTROCHEMICAL SYSTEM WITH CONFINED ELECTROLYTE

#2
20240405246
2024-12-05

SEALED REDOX BATTERY

#3
20240405245
2024-12-05

SEALED REDOX BATTERY

#4
20240291011
2024-08-29

HIGH SOLUBILITY IRON HEXACYANIDES

#5
20240274855
2024-08-15

HIGH ENERGY DENSITY REDOX FLOW DEVICE

#6
20240113313
2024-04-04

APPARATUS AND METHOD FOR DETERMINING STATE OF CHARGE IN A REDOX FLOW BATTERY VIA LIMITING CURRENTS

#7
20240079625
2024-03-07

Method and system for rebalancing electrolytes in a redox flow battery system

#8
20240079620
2024-03-07

Electrolyte balancing strategies for flow batteries

#9
20240063417
2024-02-22

SEMI-SOLID ELECTRODES HAVING HIGH RATE CAPABILITY

#10
20240047707
2024-02-08

ALTERNATIVE LOW COST ELECTRODES FOR HYBRID FLOW BATTERIES

#11
20230395835
2023-12-07

Electrochemical system with confined electrolyte

#12
20230197998
2023-06-22

SYSTEMS AND METHODS FOR FUEL CELLS ENERGY STORAGE AND RECOVERY

#13
20230113398
2023-04-13

INEXPENSIVE METAL-FREE ORGANIC REDOX FLOW BATTERY (ORBAT) FOR GRID-SCALE STORAGE

#14
20230076847
2023-03-09

BIPOLAR PLATE DESIGN WITH NON-CONDUCTIVE PICTURE FRAME

#15
20230028170
2023-01-26

Methods and system for rebalancing electrolytes in a redox flow battery system

#16
20230016898
2023-01-19

SEPARATOR LAYER FOR FLOW BATTERY

#17
20220344695
2022-10-27

Sealed redox battery

#18
20220293991
2022-09-15

Sealed redox battery

#19
20220263104
2022-08-18

High energy density redox flow device

#20
20220255107
2022-08-11

High solubility iron hexacyanides

#21
20220255106
2022-08-11

REDOX FLOW BATTERIES AND COMPOUNDS FOR BATTERY APPLICATION

#22
20220231309
2022-07-21

Alternative low cost electrodes for hybrid flow batteries

#23
20220085398
2022-03-17

Electrolyte balancing strategies for flow batteries

#24
20220059861
2022-02-24

Ion-selective membrane for redox flow batteries

#25
20220037751
2022-02-03

Internally manifolded flow cell for an all-iron hybrid flow battery

#26
20220037683
2022-02-03

Cavern battery bank

#27
20210376368
2021-12-02

Systems and methods for fuel cells energy storage and recovery

#28
20210344030
2021-11-04

SEALED AQUEOUS FLOW BATTERY SYSTEMS WITH IN-TANK ELECTROLYTE REBALANCING

#29
20210336284
2021-10-28

Electrochemical system with confined electrolyte

#30
20210328241
2021-10-21

Redox flow battery with electrolyte balancing and compatibility enabling features

#31
20210313589
2021-10-07

ALTERNATIVE LOW COST ELECTRODES FOR HYBRID FLOW BATTERIES

#32
20210249678
2021-08-12

Semi-solid electrodes having high rate capability

#33
20210175532
2021-06-10

Sealed redox battery

#34
20210167433
2021-06-03

IN-SITU ELECTROLYTE PREPARATION IN FLOW BATTERY

#35
20210143463
2021-05-13

Method and system for rebalancing electrolytes in a redox flow battery system

#36
20210135246
2021-05-06

Flow batteries incorporating active materials containing doubly bridged aromatic groups

#37
20210119240
2021-04-22

MATERIALS FOR HIGH-PERFORMANCE AQUEOUS ORGANIC REDOX FLOW BATTERIES

#38
20210050614
2021-02-18

Flow battery with membrane having different selectivities

#39
20210020975
2021-01-21

Electrochemical system with confined electrolyte

#40
20200381751
2020-12-03

Apparatus and method for determining state of charge in a redox flow battery via limiting currents

#41
20200373603
2020-11-26

Unique redox-active phenothiazine combinations with depressed melting points for increased solubility and method of use in energy storage and in redox flow batteries

#42
20200259200
2020-08-13

All-vanadium sulfate acid redox flow battery system

#43
20200259199
2020-08-13

Redox flow batteries and compounds for battery application

#44
20200227769
2020-07-16

Coordination Complexes Containing Monosulfonated Catecholate Ligands and Methods for Producing the Same

#45
20200185801
2020-06-11

Method for producing an electrolyte for a metal air battery

#46
20200176802
2020-06-04

Inexpensive metal-free organic redox flow battery (ORBAT) for grid-scale storage

#47
20200161688
2020-05-21

Semi-solid electrodes having high rate capability

#48
20200127315
2020-04-23

Ion exchange membrane and flow battery including same

#49
20200112045
2020-04-09

Carbon dioxide electrolysis/carbon fuel cell-integrated apparatus

#50
20200099083
2020-03-26

Multiphasic battery system

#51
20200099082
2020-03-26

Process for producing electrical power from a multiphasic battery system

#52
20200099081
2020-03-26

Immiscible liquid separated battery system

#53
20200099080
2020-03-26

Process for producing electrical power from an immiscible liquid separated battery system

#54
20200075985
2020-03-05

Foil-based redox flow battery

#55
20200067121
2020-02-27

A REDUCTION-OXIDATION FLOW BATTERY

#56
20200014048
2020-01-09

ELECTRIC POWER PRODUCTION USING AQUEOUS MULTI-ELECTRON OXIDANTS

#57
20200006744
2020-01-02

Internally manifolded flow cell for an all-iron hybrid flow battery

#58
20190363388
2019-11-28

High solubility iron hexacyanides

#59
20190355998
2019-11-21

High energy density redox flow device

#60
20190348697
2019-11-14

ELECTRIC POWER PRODUCTION USING AQUEOUS MULTI-ELECTRON OXIDANTS

#61
20190341643
2019-11-07

Flow battery balancing cells having a bipolar membrane for simultaneous modification of a negative electrolyte solution and a positive electrolyte solution

#62
20190319290
2019-10-17

Non-aqueous redox flow batteries

#63
20190305345
2019-10-03

Method and system for monitoring state of charge (SOC) of flow battery system

#64
20190296382
2019-09-26

Thermoelectrochemical Heat Converter

#65
20190280316
2019-09-12

Method and device for recycling electrolyte of flow battery

#66
20190260054
2019-08-22

Electrode structure and redox flow battery comprising same

#67
20190252709
2019-08-15

Redox flow battery including a system for decreasing by-pass currents

#68
20190229350
2019-07-25

Cavern battery bank

#69
20190207236
2019-07-04

Electrolyte balancing strategies for flow batteries

#70
20190173117
2019-06-06

Flow battery apparatus with shunted current repressed and method thereof

#71
20190165403
2019-05-30

Systems and methods for fuel cells energy storage and recovery

#72
20190103622
2019-04-04

Electrolyte storage unit for redox flow battery and vanadium redox flow battery comprising same

#73
20190097273
2019-03-28

GELATED IONIC LIQUID FILM-COATED SURFACES AND USES THEREOF

#74
20190097253
2019-03-28

Method and system for rebalancing electrolytes in a redox flow battery system

#75
20190067727
2019-02-28

Aqueous redox flow batteries featuring improved cell design characteristics

#76
20190058208
2019-02-21

Flow battery

#77
20190058207
2019-02-21

Flow battery

#78
20190020086
2019-01-17

Anaerobic aluminum-water electrochemical cell

#79
20190020085
2019-01-17

Anaerobic aluminum-water electrochemical cell

#80
20180375109
2018-12-27

Electrochemical cells and batteries

#81
20180358642
2018-12-13

Flow-based anode for the electrocatalytic oxidation of a fuel or other reductant

#82
20180316038
2018-11-01

FLOW BATTERY UTILIZING CAUSTIC WASTE

#83
20180309149
2018-10-25

Method and system for rebalancing electrolytes in a redox flow battery system

#84
20180294502
2018-10-11

SEALED AQUEOUS FLOW BATTERY SYSTEMS WITH IN-TANK ELECTROLYTE REBALANCING

#85
20180277864
2018-09-27

HIGH PERFORMANCE FLOW BATTERY

#86
20180248218
2018-08-30

Organic non-aqueous cation-based redox flow batteries

#87
20180233762
2018-08-16

Neat methods for forming titanium catecholate complexes and associated compositions

#88
20180219241
2018-08-02

Flow battery with electrolyte rebalancing system

#89
20180219240
2018-08-02

Redox flow battery with carbon dioxide based redox couple

#90
20180199471
2018-07-12

POWER SUPPLY SYSTEM AND METHOD OF MANAGING THE SAME

#91
20180191008
2018-07-05

Mechanical energy storage in flow batteries to enhance energy storage

#92
20180190999
2018-07-05

Bipolar plate, cell frame, cell stack and redox-flow battery

#93
20180175428
2018-06-21

Semi-solid electrodes having high rate capability

#94
20180159190
2018-06-07

Solar energy systems

#95
20180151899
2018-05-31

Flow batteries having adjustable circulation rate capabilities and methods associated therewith

#96
20180145336
2018-05-24

Flow batteries incorporating active materials containing doubly bridged aromatic groups

#97
20180138532
2018-05-17

Electric power production using aqueous multi-electron oxidants

#98
20180137991
2018-05-17

ELECTROCHEMICAL ENERGY STORAGE SYSTEMS AND METHODS

#99
20180108916
2018-04-19

Flow batteries having an electrode with differing hydrophilicity on opposing faces and methods for production and use thereof

#100
20180102660
2018-04-12

Materials for use with aqueous redox flow batteries and related methods and systems

#101
20180102556
2018-04-12

Flow batteries having an interfacially bonded bipolar plate-electrode assembly and methods for production and use thereof

#102
20180097249
2018-04-05

Materials for high-performance aqueous organic redox flow batteries

#103
20180040903
2018-02-08

Electrode for electrochemical cells and composition thereof

#104
20180034090
2018-02-01

HIGH ENERGY DENSITY REDOX FLOW DEVICE

#105
20180019495
2018-01-18

Distributed energy storage system

#106
20180019483
2018-01-18

REDOX FLOW BATTERY WITH INCREASED-SURFACE-AREA ELECTRODE AND ASYMMETRIC ELECTROLYTE CONCENTRATION

#107
20180013377
2018-01-11

Mitigating the Effects on Shading in Photovoltaic Cells Using Flow Batteries

#108
20180013164
2018-01-11

Methods to prepare stable electrolytes for iron redox flow batteries

#109
20180013163
2018-01-11

METHOD FOR PREPARING ELECTROLYTE FOR REDOX FLOW BATTERY INCLUDING ORGANIC MOLECULE AS ADDITIVE AND REDOX FLOW BATTERY USING THE SAME

#110
20170365871
2017-12-21

Bio-energy power system

#111
20170352905
2017-12-07

Aqueous redox flow batteries comprising metal ligand coordination compounds

#112
20170346123
2017-11-30

Flow batteries having an electrode with a density gradient and methods for production and use thereof

#113
20170317363
2017-11-02

Three-chamber electrochemical balancing cells for simultaneous modification of state of charge and acidity within a flow battery

#114
20170309944
2017-10-26

High solubility iron hexacyanides

#115
20170309943
2017-10-26

Ionic liquid catholytes and electrochemical devices containing same

#116
20170301945
2017-10-19

Metal-air flow batteries using oxygen enriched electrolyte

#117
20170301942
2017-10-19

FLOW BATTERY SERVICING SYSTEMS AND METHODS

#118
20170294672
2017-10-12

High-throughput manufacturing processes for making electrochemical unit cells and electrochemical unit cells produced using the same

#119
20170294662
2017-10-12

Electrochemical cells having designed flow fields and methods for producing the same

#120
20170291916
2017-10-12

Coordination compounds having redox non-innocent ligands and flow batteries containing the same

#121
20170288253
2017-10-05

Thermoelectrochemical Heat Converter

#122
20170288243
2017-10-05

High performance redox flow battery stack

#123
20170279148
2017-09-28

Charge transfer mediator based systems for electrocatalytic oxygen reduction

#124
20170279140
2017-09-28

System and method for condition monitoring of redox flow batteries using data analytics

#125
20170279130
2017-09-28

SEPARATOR LAYER FOR FLOW BATTERY

#126
20170271704
2017-09-21

MITIGATION OF CROSSOVER WITHIN FLOW BATTERIES

#127
20170271703
2017-09-21

In-situ gravitational separation of electrolyte solutions in flow redox battery systems

#128
20170271698
2017-09-21

Redox flow secondary battery and electrolyte membrane for redox flow secondary battery

#129
20170271694
2017-09-21

Module for regenerating electrolyte of flow battery and method for regenerating electrolyte of flow battery by using same

#130
20170271691
2017-09-21

Frame body, cell frame for redox flow battery, and redox flow battery

#131
20170263990
2017-09-14

System and method for power generation with a closed-loop photocatalytic solar device

#132
20170263951
2017-09-14

Frame body, cell frame for redox flow battery, and redox flow battery

#133
20170256811
2017-09-07

Coordination complexes containing monosulfonated catecholate ligands and methods for producing the same

#134
20170256803
2017-09-07

Alternative low cost electrodes for hybrid flow batteries

#135
20170251574
2017-08-31

Power supply system and method of managing the same

#136
20170250417
2017-08-31

Regeneration of flow battery electrode

#137
20170244127
2017-08-24

IMPACT OF MEMBRANE CHARACTERISTICS ON THE PERFORMANCE AND CYCLING OF THE BR2-H2 REDOX FLOW CELL

#138
20170237091
2017-08-17

Method and system for monitoring state of charge (SOC) of flow battery system, flow battery based on redundancy design of SOC detection device, method and device for determining actual capacity of flow battery, and method and system for estimating input-output characteristic of alternating-current side of flow battery

#139
20170229715
2017-08-10

Method of Fabricating Bipolar Pate of Flow Cell

#140
20170222246
2017-08-03

Metal-halogen flow battery bipolar electrode assembly, system, and method

#141
20170207475
2017-07-20

ELECTRODE FOR REDOX FLOW BATTERY, REDOX FLOW BATTERY, AND ELECTRODE CHARACTERISTICS EVALUATION METHOD

#142
20170207464
2017-07-20

OXYGEN ELECTRODE AND A METHOD OF MANUFACTURING THE SAME

#143
20170200936
2017-07-13

Internally manifolded flow cell for an all-iron hybrid flow battery

#144
20170194656
2017-07-06

PERFORATED 2D FLOW BATTERY SEPARATORS

#145
20170187060
2017-06-29

Inexpensive metal-free organic redox flow battery (ORBAT) for grid-scale storage

#146
20170187054
2017-06-29

Flowing electrolyte fuel cell with improved performance and stability

#147
20170179516
2017-06-22

Electrolytes for iron flow battery

#148
20170155158
2017-06-01

METHOD AND APPARATUS FOR MEASURING ELECTROLYTE BALANCE OF REDOX FLOW BATTERY

#149
20170149073
2017-05-25

CONTROLLED DISCHARGE OF AN ENERGY STORE USING REDOX SHUTTLE ADDITIVES

#150
20170133701
2017-05-11

Hydrogen-redox flow battery assembly

#151
20170133690
2017-05-11

Porous carbon materials and methods of manufacturing the same

#152
20170133689
2017-05-11

Redox active colloidal particles for flow batteries

#153
20170117569
2017-04-27

Flow battery

#154
20170110741
2017-04-20

Cell frame for redox flow battery, cell stack for redox flow battery, and redox flow battery

#155
20170110738
2017-04-20

Vanadium solution, electrolyte comprising same, secondary battery comprising same, and method for preparing same

#156
20170098851
2017-04-06

FLOW BATTERY CELLS AND STACKS, AND ASSOCIATED METHODS

#157
20170098850
2017-04-06

Electrochemical energy storage systems and methods featuring large negative half-cell potentials

#158
20170098848
2017-04-06

Sodium metal batteries with intercalating cathode

#159
20170077572
2017-03-16

HYBRID SYSTEM FOR STORING SOLAR ENERGY AS HEAT AND ELECTRICITY

#160
20170062863
2017-03-02

Two-electron high potential and high capacity redox active molecules for energy storage applications

#161
20170062862
2017-03-02

Multi-electron redox active molecules for energy storage applications

#162
20170062786
2017-03-02

Dendrite-suppressing ion-conductors from aramid nanofibers withstanding extreme battery conditions

#163
20170059520
2017-03-02

Cell for felt electrode characterization

#164
20170054173
2017-02-23

Redox flow battery

#165
20170054172
2017-02-23

Redox flow battery

#166
20170054164
2017-02-23

Solids mitigation within flow batteries

#167
20170054161
2017-02-23

Frame body, cell frame for redox flow battery, and redox flow battery

#168
20170054160
2017-02-23

Flow cell with corrugated flow screen

#169
20170047605
2017-02-16

Flow battery apparatus with shunted current repressed and method thereof

#170
20170047594
2017-02-16

Bipolar plate, redox flow battery, and method for producing bipolar plate

#171
20170047593
2017-02-16

Battery with Corrosion-Resistant Ion-Exchange Membrane System

#172
20170040630
2017-02-09

Method and system for rebalancing electrolytes in a redox flow battery system

#173
20170033391
2017-02-02

Redox flow battery system, pump control unit, and method for operating redox flow battery

#174
20170033390
2017-02-02

Semi-solid electrodes having high rate capability

#175
20170033389
2017-02-02

Semi-solid electrodes having high rate capability

#176
20170033388
2017-02-02

Hydrothermal treatment method for producing redox-active transition metal coordination compounds

#177
20170033383
2017-02-02

Aqueous all-copper redox flow battery

#178
20170025700
2017-01-26

Quinone polyhalide flow battery

#179
20170025698
2017-01-26

Redox flow battery

#180
20170025697
2017-01-26

Flow battery electrolyte compositions containing an organosulfate wetting agent and flow batteries including same

#181
20170025695
2017-01-26

Chlorination of processing residues as a variable load for grid scale electrical load following and storage

#182
20170012308
2017-01-12

Electrolyte-circulating battery

#183
20170012307
2017-01-12

REDOX FLOW BATTERY SYSTEM AND METHOD FOR OPERATING REDOX FLOW BATTERY

#184
20170012299
2017-01-12

Redox flow battery with anisotropic electrode layer

#185
20160380297
2016-12-29

Ion exchange membrane and manufacturing method therefor

#186
20160380264
2016-12-29

Bipolar battery electrode having improved carbon surfaces and method of manufacturing same

#187
20160372777
2016-12-22

METHOD FOR DETERMINING THE STATE OF CHARGE OF A VANADIUM REDOX FLOW BATTERY

#188
20160372776
2016-12-22

Semi-vanadium redox flow battery using electrolytes of vanadium ions and iodine-vitamin C

#189
20160372771
2016-12-22

FLOW-ABLE BATTERY WITH CHARGING AND DISCHARGING SYSTEM

#190
20160372763
2016-12-22

Apparatus of Multifunctional Integrating Flow Battery

#191
20160365596
2016-12-15

Redox desalination system for clean water production and energy storage

#192
20160359188
2016-12-08

Battery cell stack and redox flow battery

#193
20160359187
2016-12-08

CELL MODULE

#194
20160359186
2016-12-08

Method of Direct Electrochemical Oxidation For Modifying Carbon Felts of Flow Battery

#195
20160351969
2016-12-01

Gelated ionic liquid film-coated surfaces and uses thereof

#196
20160351938
2016-12-01

A SOLAR RECHARGEABLE REDOX FLOW CELL

#197
20160351926
2016-12-01

ELECTROLYTE CONVEYANCE DEVICE FOR FLOW BATTERY

#198
20160344056
2016-11-24

Zinc-based electrolyte compositions, and related electrochemical processes and articles

#199
20160344031
2016-11-24

Organic active materials for rechargeable battery

#200
20160329592
2016-11-10

Redox flow battery or fuel battery comprising storing and collecting means for preventing leakage of reactant

#201
20160329590
2016-11-10

Flow battery with rotationally symmetric manifold plates

#202
20160329589
2016-11-10

LARGE-CAPACITY ELECTRICAL ENERGY STORAGE DEVICE

#203
20160329569
2016-11-10

Lithium ion flow battery

#204
20160322662
2016-11-03

Ion-exchange membrane made of a biaxially stretched β-porous film

#205
20160322653
2016-11-03

System and method for returning material from the Brside of an H/Brflow battery back after crossover

#206
20160315341
2016-10-27

SYSTEM DONGLE

#207
20160315339
2016-10-27

Distribution of electrolytes in a flow battery

#208
20160315337
2016-10-27

Rebalancing electrolyte concentration in flow battery using pressure differential

#209
20160315328
2016-10-27

High surface area flow battery electrodes

#210
20160308237
2016-10-20

Hydrogen/bromine flow battery in which hydrogen is freely exchanged between two cell compartments

#211
20160308236
2016-10-20

Flow type energy storage device and reaction cell for the device

#212
20160308235
2016-10-20

Flow battery balancing cells having a bipolar membrane and methods for use thereof

#213
20160308234
2016-10-20

Flow battery balancing cells having a bipolar membrane for simultaneous modification of a negative electrolyte solution and a positive electrolyte solution

#214
20160308233
2016-10-20

Aqueous electrolytes for redox flow battery systems

#215
20160301094
2016-10-13

FUEL CELL ASSEMBLY AND METHOD

#216
20160301084
2016-10-13

MICROTUBES MADE OF CARBON NANOTUBES

#217
20160293992
2016-10-06

Method and system for rebalancing electrolytes in a redox flow battery system

#218
20160293991
2016-10-06

Method and apparatus for measuring transient state-of-charge using inlet/outlet potentials

#219
20160293986
2016-10-06

FLOW-ASSIST-FREE Zn/NiOOH BATTERY

#220
20160293982
2016-10-06

System and method for minimizing transport related performance losses in a flow battery system

#221
20160293979
2016-10-06

Apparatus and method for determining state of charge in a redox flow battery via limiting currents

#222
20160293970
2016-10-06

Electrode material including small diameter, carbon nanotubes bridging large diameter carbon nanotubes, redox flow battery electrode, redox flow battery, and method for producing electrode material

#223
20160289254
2016-10-06

Hydrogen oxidation catalyst

#224
20160285123
2016-09-29

Method for operating redox flow battery

#225
20160276697
2016-09-22

High solubility iron hexacyanides

#226
20160276696
2016-09-22

High solubility iron hexacyanides

#227
20160276695
2016-09-22

Aqueous redox flow batteries featuring improved cell design characteristics

#228
20160276694
2016-09-22

Aqueous redox flow batteries comprising metal ligand coordination compounds

#229
20160276693
2016-09-22

Aqueous redox flow batteries comprising metal ligand coordination compounds

#230
20160276692
2016-09-22

High solubility iron hexacyanides

#231
20160276687
2016-09-22

Ion transport material, electrolyte membrane comprising same, and method for producing same

#232
20160276686
2016-09-22

Electrochemical energy storage systems and methods featuring optimal membrane systems

#233
20160272659
2016-09-22

Preparation of titanium catecholate complexes in aqueous solution using titanium tetrachloride or titanium oxychloride

#234
20160268623
2016-09-15

Aqueous redox flow batteries featuring improved cell design characteristics

#235
20160268622
2016-09-15

Alkali/oxidant battery

#236
20160268621
2016-09-15

Fuel system using redox flow battery

#237
20160264603
2016-09-15

Aqueous redox flow batteries featuring improved cell design characteristics

#238
20160260994
2016-09-08

Ion exchange membrane and method for manufacturing same

#239
20160254562
2016-09-01

Methods for determining state of charge and calibrating reference electrodes in a redox flow battery

#240
20160254553
2016-09-01

Electrode plate and methods for manufacturing and testing an electrode plate

#241
20160254551
2016-09-01

Flow battery and supply/discharge plate of flow battery

#242
20160240880
2016-08-18

FLOW BATTERY START-UP AND RECOVERY MANAGEMENT

#243
20160240868
2016-08-18

BIPOLAR PLATE DESIGN WITH NON-CONDUCTIVE PICTURE FRAME

#244
20160233531
2016-08-11

Electrolyte balancing strategies for flow batteries

#245
20160226091
2016-08-04

Ion transport material, electrolyte membrane comprising same, and method for producing same

#246
20160226089
2016-08-04

Redox membrane-based flow fuel cell and method

#247
20160226072
2016-08-04

Fluorinated coatings for high performance electrodes

#248
20160218375
2016-07-28

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Method of electrolytically assisted carbochlorination

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