ClassID:

213880

H01M2300/0008 - CPC Classification

Classification description:

Electrolytes; Aqueous electrolytes; Acid electrolytes Phosphoric acid-based

Recent Application in this class:
#1
20260142242
2026-05-21

AQUEOUS BATTERY

#2
20250329726
2025-10-23

AQUEOUS BATTERY

#3
20250112283
2025-04-03

AQUEOUS ELECTROLYTE SOLUTION FOR PROTON BATTERY, AND PROTON BATTERY

#4
20250079490
2025-03-06

Phosphoric Acid Replenishment

#5
20250029978
2025-01-23

ELECTRODE AND LITHIUM-ION BATTERY COMPRISING THE SAME

#6
20240322152
2024-09-26

AQUEOUS SECONDARY BATTERY

#7
20240274892
2024-08-15

AQUEOUS BATTERY

#8
20230348293
2023-11-02

Inorganic compounds for lithium-ion conductors

#9
20220093955
2022-03-24

Flow battery system

#10
20210257612
2021-08-19

Aqueous aluminum batteries and methods of making same

#11
20210194065
2021-06-24

Methods and devices for high-capacity flexible, printable, and conformal periodate and iodate batteries

#12
20200411894
2020-12-31

Method of preparing high-purity electrolyte solution for vanadium redox flow battery using catalytic reaction

#13
20200313233
2020-10-01

All solid battery and manufacturing method of the same

#14
20200313204
2020-10-01

Electrochemical device

#15
20200287213
2020-09-10

Positive electrode active material for lithium secondary battery, method of preparing the same, and positive electrode for lithium secondary battery and lithium secondary battery which include the positive electrode active material

#16
20200161668
2020-05-21

Fuel cell spacer and electrolyte reservoir

#17
20200028171
2020-01-23

Method of synthesizing phosphate salt of high purity for preparation of electrode material

#18
20200006795
2020-01-02

Hybrid fuel cell with polymeric proton exchange membranes and acidic liquid electrolyte

#19
20190379055
2019-12-12

Battery Paste and Electrolyte Compositions and Electrochemical Cell for Use Therewith

#20
20190280324
2019-09-12

Electrolyte for flow battery and flow battery system

#21
20190097252
2019-03-28

Reduction-oxidation flow battery

#22
20190036151
2019-01-31

Aqueous electrolytes with protonic ionic liquid and batteries using the electrolyte

#23
20180375118
2018-12-27

LIQUID ELECTROLYTE FUEL CELL COMPONENT WITH INCREASED ELECTROLYTE STORAGE CAPACITY

#24
20180287237
2018-10-04

Metal-Air Battery

#25
20180269513
2018-09-20

Redox flow battery

#26
20180131027
2018-05-10

FLEXIBLE INORGANIC FUEL CELL MEMBRANE

#27
20170237101
2017-08-17

Phosphoric acid-based electrolytes and applications thereof

#28
20170170497
2017-06-15

Fuel cell electrolyte management device

#29
20160006067
2016-01-07

ASSEMBLY FOR MAKING A FUEL CELL COMPONENT AND A METHOD OF USING THE ASSEMBLY

#30
20150372323
2015-12-24

Fuel cell component having a flap extending from a polymer impregnated region

#31
20150349364
2015-12-03

Hydrogen generation apparatus, fuel cell system including the same, method of operating hydrogen generation apparatus and method of operating fuel cell system

#32
20150340705
2015-11-26

Non-noble metal electrocatalysts for oxygen depolarized cathodes and their uses

#33
20150180071
2015-06-25

Fuel cells for use at elevated temperatures and pressures

#34
20150030961
2015-01-29

FUEL CELLS

#35
20140370402
2014-12-18

Electrolyte generation within a fuel cell

#36
20120202127
2012-08-09

Electrochemical cell system with shunt current interrupt

#37
20110053018
2011-03-03

High power density fuel cell comprising an array of microchannels

#38
20100310960
2010-12-09

Fuel cell in which proton conductive gel is used and manufacturing method thereof, and electric power generation method

#39
20100227120
2010-09-09

Composite nanostructure solid acid fuel cell electrodes via electrospray deposition

#40
20090202886
2009-08-13

Micro fuel cell architecture

#41
20090130505
2009-05-21

Enhanced efficiency of a combined SORFC energy storage and fuel generation system

#42
20090068524
2009-03-12

ANHYDROUS PROTON CONDUCTOR BASED ON HETEROCYCLE ATTACHED TO A POLYMER BACKBONE

#43
20090022972
2009-01-22

Metal phosphate composite and dense material comprised of the same

#44
20070269703
2007-11-22

Micro fuel cell architecture

#45
20070259271
2007-11-08

Laminate Including Active Material Layer and Solid Electrolyte Layer, and All Solid Lithium Secondary Battery Using the Same

#46
20070105002
2007-05-10

Fuel battery

#47
20070082805
2007-04-12

Electrode base material for fuel cell

#48
20070065709
2007-03-22

Method and apparatus for porous catalyst on a fuel cell flow field and high temperature membrane

#49
20070059583
2007-03-15

Fuel cell system

#50
20060263662
2006-11-23

High temperature fuel cell using alkyl phosphoric acid

#51
20060159974
2006-07-20

Anhydrous proton conductor based on heterocycle attached to a polymer backbone

#52
20060154134
2006-07-13

Fuel cell system with carbon monoxide catalyst

#53
20060154133
2006-07-13

Method and apparatus for forming a fuel cell flow field with an electrolyte retaining material

#54
20060134509
2006-06-22

Method and apparatus for metal coated silicon fuel cell electrode

#55
20060134507
2006-06-22

Fuel cell electrode containing metal phosphate and fuel cell using the same

#56
20060134503
2006-06-22

Pillared fuel cell electrode system

#57
20060134497
2006-06-22

Manifold system for a fuel cell

#58
20060127708
2006-06-15

Method and apparatus for carbon coated silicon fuel cell electrode

#59
20050014059
2005-01-20

Micro fuel cell architecture

#60
20050008911
2005-01-13

Micro fuel cell thermal management