ClassID:

85978

C01G49/0027 - CPC Classification

Classification description:

Compounds of iron; Mixed oxides or hydroxides, containing one alkali metal

Recent Application in this class:
#1
20260109620
2026-04-23

POSITIVE ELECTRODE ACTIVE MATERIAL, PREPARATION METHOD THEREOF, POSITIVE ELECTRODE PLATE, BATTERY, AND ELECTRIC DEVICE

#2
20260062309
2026-03-05

VANADIUM OXIDE AND BATTERY USING SAME

#3
20250336977
2025-10-30

LITHIUM SUPPLEMENT MATERIAL, POSITIVE ELECTRODE, ELECTROCHEMICAL APPARATUS, AND POWER CONSUMPTION DEVICE

#4
20250336929
2025-10-30

POSITIVE ELECTRODE ACTIVE MATERIAL FOR RECHARGEABLE LITHIUM BATTERY, POSITIVE ELECTRODE INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIAL, AND RECHARGEABLE LITHIUM BATTERY INCLUDING THE POSITIVE ELECTRODE ACTIVE MATERIAL

#5
20250313492
2025-10-09

ELECTRODE MATERIAL AND PREPARATION METHOD THEREOF, BATTERY, AND ELECTRIC APPARATUS

#6
20250253349
2025-08-07

LITHIUM-SUPPLEMENTING MATERIAL, PREPARATION METHOD THEREFOR, AND APPLICATION THEREOF

#7
20250253346
2025-08-07

LITHIUM SUPPLEMENTING ADDITIVE, PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

#8
20250174649
2025-05-29

DISORDERED ROCK-SALT BATTERY CATHODE COMPOSITION AND SYNTHESES THEREOF

#9
20250149593
2025-05-08

LITHIUM-SUPPLEMENTING ADDITIVE, AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF

#10
20250006911
2025-01-02

CATHODE LITHIUM-SUPPLEMENTING ADDITIVE AND PREPARATION METHOD AND APPLICATION THEREOF

#11
20240336493
2024-10-10

PRELITHIATION REAGENT FOR LITHIUM-ION BATTERY (LIB), AND PREPARATION METHOD THEREFOR AND USE THEREOF

#12
20240228318
2024-07-11

LITHIUM-RICH IRON-BASED COMPOSITE MATERIAL AND PREPARATION METHOD AND APPLICATION THEREOF

#13
20240145668
2024-05-02

Manufacturing Method of Cathode Additives for Lithium Secondary Battery

#14
20240025758
2024-01-25

METHOD OR PROCESS FOR FERRATE SYNTHESIS

#15
20230290945
2023-09-14

BATTERY CELL WITH ANODE OR CATHODE WITH NANOMATERIAL INCLUDING ACIDIC SURFACE

#16
20230202861
2023-06-29

SYNTHESIS OF NANOPARTICLES

#17
20230197951
2023-06-22

Battery with acidified cathode and lithium anode

#18
20230112744
2023-04-13

LITHIUM IRON COMPLEX OXIDE, CATHODE MATERIAL, CATHODE, AND LITHIUM-ION SECONDARY BATTERY

#19
20230057959
2023-02-23

Composite metal oxide material and preparation method thereof, positive electrode plate, secondary battery, battery module, battery pack and electrical device

#20
20230029005
2023-01-26

SODIUM FERRITE PARTICLE POWDER AND PRODUCTION METHOD THEREOF

#21
20220310993
2022-09-29

Battery with novel components

#22
20210288320
2021-09-16

POSITIVE ELECTRODE MATERIAL AND SECONDARY BATTERY

#23
20200185718
2020-06-11

Battery with acidified cathode and lithium anode

#24
20200176766
2020-06-04

Battery with novel components

#25
20200136138
2020-04-30

Mixed conductor, electrochemical device including the same, and method of preparing the mixed conductor

#26
20190386306
2019-12-19

LiFePO4 precursor for manufacturing electrode material of Li-ion battery and method for manufacturing the same

#27
20190144297
2019-05-16

Method for efficiently preparing ferrate based on nascent interfacial activity

#28
20190067696
2019-02-28

Potassium compound and positive electrode active material for potassium ion secondary batteries containing same

#29
20190067692
2019-02-28

Positive electrode active material for potassium ion secondary cell

#30
20180337405
2018-11-22

Battery cell with anode or cathode with nanomaterial including acidic surface

#31
20180337404
2018-11-22

Battery with acidified cathode and lithium anode

#32
20180294480
2018-10-11

High capacity sodium-ion battery positive electrode material

#33
20180294479
2018-10-11

Battery with novel components

#34
20180277841
2018-09-27

Active material, electrode, secondary battery, battery pack, and vehicle

#35
20180212241
2018-07-26

SODIUM SECONDARY BATTERY

#36
20180212231
2018-07-26

Lithium source material and preparation method thereof and use in Li-ion cells

#37
20180123164
2018-05-03

Positive electrode active material for sodium-ion batteries

#38
20180123127
2018-05-03

Active material, nonaqueous electrolyte battery, battery pack and battery module

#39
20170271720
2017-09-21

Active material, nonaqueous electrolyte battery, battery pack, and vehicle

#40
20170092947
2017-03-30

Tin-containing compounds

#41
20170001878
2017-01-05

Method for efficiently preparing ferrate based on nascent interfacial activity

#42
20160268603
2016-09-15

Active material, nonaqueous electrolyte battery, battery pack and battery module

#43
20160254544
2016-09-01

LIFePO4 FLAKES FOR LI-ION BATTERY AND METHOD FOR MANUFACTURING THE SAME

#44
20160181608
2016-06-23

Layered oxide materials for batteries

#45
20160064734
2016-03-03

Sodium transition metal oxide electroactive compounds

#46
20150333363
2015-11-19

Composite metal oxide, method for producing composite metal oxide, and sodium secondary battery

#47
20150236348
2015-08-20

Cathode active material

#48
20150140595
2015-05-21

FORMULATIONS FOR THE SYNTHESIS OF PARAMAGNETIC PARTICLES AND METHODS THAT UTILIZE THE PARTICLES FOR BIOCHEMICAL APPLICATIONS

#49
20150125700
2015-05-07

Method for manufacturing Sr ferrite particle for sintered magnet, method for using Sr ferrite particle, Sr ferrite sintered magnet and method for manufacturing same, and motor and generator

#50
20140363737
2014-12-11

LITHIUM ION SECONDARY BATTERY

#51
20140162124
2014-06-12

Cathode active material, method of manufacturing it, cathode, and battery

#52
20140054491
2014-02-27

Ferrite particle and production method thereof

#53
20140027666
2014-01-30

Piezoelectric ceramics and method for manufacturing the same

#54
20130209884
2013-08-15

Negative electrode active material for lithium ion secondary battery and method for producing the same

#55
20130156683
2013-06-20

Method of reducing magnetic and/or oxidic contaminants in lithium metal oxygen compounds

#56
20120328947
2012-12-27

LiFePO4 flakes for Li-ion battery and method for manufacturing the same

#57
20120319035
2012-12-20

PRODUCING OXIDIC COMPOUNDS

#58
20120280224
2012-11-08

METAL OXIDE STRUCTURES, DEVICES, AND FABRICATION METHODS

#59
20120225354
2012-09-06

POSITIVE ELECTRODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY, METHOD OF PREPARING SAME AND LITHIUM SECONDARY BATTERY INCLUDING SAME

#60
20120196130
2012-08-02

Spherical ferrite nanoparticles and method for producing the same

#61
20120015230
2012-01-19

Mixed metal oxide, electrode, and sodium secondary battery

#62
20110159345
2011-06-30

ELECTRODE ACTIVE MATERIAL AND METHOD FOR PRODUCING SAME

#63
20110076223
2011-03-31

Apparatus and method for producing liquid ferrate

#64
20100248001
2010-09-30

MIXED METAL OXIDE AND SODIUM SECONDARY BATTERY

#65
20100040553
2010-02-18

Spherical ferrite nanoparticles and method for producing the same

#66
20090117471
2009-05-07

LITHIUM ION BATTERY ELECTRODE AND METHOD FOR MANUFACTURE OF SAME

#67
20080207858
2008-08-28

CATALYST, ITS PREPARATION AND USE

#68
20080200632
2008-08-21

CATALYST, ITS PREPARATION AND USE

#69
20080160277
2008-07-03

MAGNETIC PARTICLES, METHOD FOR PRODUCING SAME, AND BIOCHEMICAL CARRIER

#70
20080035019
2008-02-14

Image-forming recording liquid and image-forming device

#71
20070212605
2007-09-13

Positive electrode active material for non-aqueous electrolyte secondary cell

#72
20060275667
2006-12-07

Cathode active material, method of manufacturing it, cathode, and battery

#73
20060246352
2006-11-02

Positive active material for rechargeable lithium battery and method of preparing same

#74
20060097419
2006-05-11

Carbon combustion synthesis of oxides

#75
20060046320
2006-03-02

Liquid composition for forming ferroelectric thin film and process for producing ferroelectric thin film

#76
20050106088
2005-05-19

Halogen-containing gas absorbent, halogen-containing gas removal method,and halogen-containing gas processing apparatus