ClassID:

213142

H01M4/248 - CPC Classification

Classification description:

Electrodes; Electrodes composed of, or comprising, active material; Electrodes for alkaline accumulators Iron electrodes

Recent Application in this class:
#1
20260128401
2026-05-07

LONG LIFE SEALED ALKALINE SECONDARY BATTERIES

#2
20250030073
2025-01-23

LONG LIFE SEALED ALKALINE SECONDARY BATTERIES

#3
20240063398
2024-02-22

SOLID STATE ADDITIVES FOR IRON NEGATIVE ELECTRODES

#4
20230402596
2023-12-14

Iron Zinc Battery

#5
20230231213
2023-07-20

Long life sealed alkaline secondary batteries

#6
20230129997
2023-04-27

CONTINUOUS COATED IRON ELECTRODE

#7
20230126166
2023-04-27

NICKEL IRON BATTERY EMPLOYING A COATED IRON ELECTRODE

#8
20230121023
2023-04-20

CONTINUOUS MANUFACTURE OFA NICKEL-IRON BATTERY

#9
20230101375
2023-03-30

IRON ELECTRODE EMPLOYING A POLYVINYL ALCOHOL BINDER

#10
20220352498
2022-11-03

High Efficiency Nickel-Iron Battery

#11
20210151822
2021-05-20

Molten air rechargeable batteries

#12
20210104751
2021-04-08

Pulsed aluminum battery

#13
20200365953
2020-11-19

Long life sealed alkaline secondary batteries

#14
20200153068
2020-05-14

MOLTEN AIR RECHARGEABLE BATTERIES

#15
20190363347
2019-11-28

NICKEL-IRON BATTERY WITH A CHEMICALLY PRE-FORMED (CPF) IRON NEGATIVE ELECTRODE

#16
20190148708
2019-05-16

Coated iron electrode and method of making same

#17
20180375091
2018-12-27

Process of preparing a chemically pre-formed (CPF) iron negative electrode with oxidizing compounds

#18
20180375090
2018-12-27

Nickel-iron battery with a chemically pre-formed (CPF) iron negative electrode

#19
20180375087
2018-12-27

Process of preparing a chemically pre-formed (CPF) iron negative electrode with oxidizing gases

#20
20180375086
2018-12-27

Accelerated formation and increased performance in chemically pre-formed (CPF) iron negative electrodes

#21
20180371602
2018-12-27

Process of preparing a chemically pre-formed (CPF) iron negative electrode with water

#22
20180366721
2018-12-20

Nickel-iron battery with a chemically pre-formed (CPF) iron negative electrode

#23
20180316063
2018-11-01

Battery separator membrane and battery employing same

#24
20180301750
2018-10-18

LITHIUM ION SECONDARY BATTERY AND METHOD FOR PRODUCING THE SAME

#25
20180261826
2018-09-13

Accelerated formation and increased performance in chemically pre-formed (CPF) iron negative electrodes

#26
20180261825
2018-09-13

Accelerated formation and increased performance in chemically pre-formed (CPF) iron negative electrodes

#27
20180219213
2018-08-02

Nickel-iron battery with a chemically pre-formed (CPF) iron negative electrode

#28
20180138569
2018-05-17

Hybrid battery and electrolyser

#29
20180010228
2018-01-11

Process of preparing a chemically pre-formed (CPF) iron negative electrode with water

#30
20180006296
2018-01-04

IRON ELECTRODE EMPLOYING A POLYVINYL ALCOHOL BINDER

#31
20170237063
2017-08-17

BATTERY COMPRISING A COATED IRON ANODE

#32
20170207432
2017-07-20

Systems and methods for a battery

#33
20170194795
2017-07-06

Secondary electrochemical cell and charging method

#34
20170162857
2017-06-08

Process of preparing a chemically pre-formed (CPF) iron negative electrode with oxidizing gases

#35
20170092990
2017-03-30

ELECTROLESS PLATED ANODE FOR SECONDARY BATTERY

#36
20170077571
2017-03-16

Electrolyte for iron-air batteries and iron-air battery

#37
20170040597
2017-02-09

Process of preparing a chemically pre-formed (CPF) iron negative electrode with oxidizing compounds

#38
20160268622
2016-09-15

Alkali/oxidant battery

#39
20160087320
2016-03-24

Air cell

#40
20160036095
2016-02-04

Nickel-iron battery with high power

#41
20160036094
2016-02-04

Nickel-iron battery with high cycle life

#42
20160020493
2016-01-21

Iron-sulphide-based battery and anode

#43
20150162601
2015-06-11

CELL DESIGN FOR AN ALKALINE BATTERY WITH CHANNELS IN ELECTRODES TO REMOVE GAS

#44
20150162573
2015-06-11

BEVELED CELL DESIGN FOR AN ALKALINE BATTERY

#45
20150162572
2015-06-11

CELL DESIGN FOR AN ALKALINE BATTERY TO REMOVE GAS

#46
20150162571
2015-06-11

CONCAVE CELL DESIGN FOR AN ALKALINE BATTERY WITH A COMB SPACER

#47
20150162570
2015-06-11

BEVELED CELL DESIGN FOR AN ALKALINE BATTERY TO REMOVE GAS

#48
20150086884
2015-03-26

High Efficiency Nickel-Iron Battery

#49
20150072228
2015-03-12

ALKALINE BATTERY COMPRISING A GAS CHANNELING POLYMERIC SEPARATOR INLAY

#50
20150072227
2015-03-12

NICKEL-IRON BATTERY COMPRISING A GAS CHANNELING POLYMERIC SEPARATOR INLAY

#51
20150072226
2015-03-12

NICKEL-IRON BATTERY COMPRISING A GAS CHANNELING POLYOLEFIN SEPARATOR INLAY

#52
20150064562
2015-03-05

Nickel-iron battery with a chemically pre-formed (CPF) iron negative electrode

#53
20150064561
2015-03-05

Accelerated formation and increased performance in chemically pre-formed (CPF) iron negative electrodes

#54
20150064512
2015-03-05

Management of gas pressure and electrode state of charge in alkaline batteries

#55
20150060740
2015-03-05

Process of preparing a chemically pre-formed (CPF) iron negative electrode with oxidizing compounds

#56
20150060739
2015-03-05

Process of preparing a chemically pre-formed (CPF) iron negative electrode with water

#57
20150059931
2015-03-05

Process of preparing a chemically pre-formed (CPF) iron negative electrode with oxidizing gases

#58
20150056504
2015-02-26

MANGANESE AND IRON ELECTRODE CELL

#59
20150044572
2015-02-12

ELECTRICAL ENERGY STORAGE STRUCTURES

#60
20150010812
2015-01-08

Alloy powder for electrode, negative electrode for alkaline storage battery using the same, and alkaline storage battery

#61
20140377626
2014-12-25

Nickel iron battery

#62
20140322598
2014-10-30

Nickel-iron battery with high power

#63
20140220444
2014-08-07

Method of preparing iron oxide nanoparticles

#64
20140220441
2014-08-07

Iron electrode employing a polyvinyl alcohol binder

#65
20140220440
2014-08-07

Coated iron electrode and method of making same

#66
20140220435
2014-08-07

CONTINUOUS COATED IRON ELECTRODE

#67
20140220434
2014-08-07

NICKEL IRON BATTERY EMPLOYING A COATED IRON ELECTRODE

#68
20140220433
2014-08-07

Layered iron electrode

#69
20140220431
2014-08-07

Nickel-iron battery with high cycle life

#70
20140220430
2014-08-07

Battery comprising a coated iron anode

#71
20140217985
2014-08-07

Process for forming a battery containing an iron electrode

#72
20110300429
2011-12-08

Automotive ballast battery

#73
20110020534
2011-01-27

BATTERY ELECTRODE MAKING METHOD

#74
20090291366
2009-11-26

Method of preparing cathode containing iron disulfide for a lithium cell

#75
20090130539
2009-05-21

ELECTRIC POWER GRID BUFFER

#76
20080261094
2008-10-23

STABILIZED ELECTRODES FOR ELECTROCHEMICAL CELLS