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IPC 7
 
H01M-H01M00652
  H01M 8/00 - H01M 16/00  

SECTION H – ELECTRICITY


H 01BASIC ELECTRIC ELEMENTS


H 01 MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY (electrochemical processes or apparatus in general C25; semiconductor or other solid state devices for converting light or heat into electrical energy H01L, e.g. H01L 31/00, H01L 35/00, H01L 37/00) [2]


Notes

(1)This subclass covers galvanic primary or secondary cells or batteries, fuel cells or batteries.

(2)Processes using enzymes or micro-organisms in order to:

 (i)liberate, separate or purify a pre-existing compound or composition, or to

 (ii)treat textiles or clean solid surfaces of materials

 are further classified in subclass C12S.  [5]


Subclass Index

CELLS ACCORDING TO TYPE 

Primary cells 

H01M 6/00 

Fuel cells 

H01M 8/00 

Secondary cells 

H01M 10/00 

Hybrid cells; electrochemical generators not provided for otherwise; combinations of different types of electrochemical generators 

H01M 12/00; H01M 14/00; H01M 16/00 

DETAILS COMMON TO DIFFERENT TYPES OF CELLS 

Details, processes of manufacture of the non-active parts 

H01M 2/00 

Electrodes 

H01M 4/00 



2/

00Constructional details, or processes of manufacture, of the non-active parts  [2]

2/

02.Cases, jackets, or wrappings (working of plastics or substances in a plastic state B29)  [2]

2/

04..Lids or covers  [2]

2/

06..Arrangements for introducing electric connectors into or through cases  [2]

2/

08..Sealing materials  [2]

2/

10.Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders (structural combination of accumulators with charging apparatus H01M 10/46)  [2]

2/

12.Vent plugs or other mechanical arrangements for facilitating escape of gases  [2]

2/

14.Separators; Membranes; Diaphragms; Spacing elements  [2]

2/

16..characterised by the material  [2]

2/

18..characterised by the shape  [2]

2/

20.Current-conducting connections for cells  [2]

2/

22..Fixed connections, i.e. not intended for disconnection  [2]

2/

24...Intercell connections through partitions, e.g. in a battery case  [2]

2/

26...Electrode connections  [2]

2/

28....for lead-acid accumulators  [2]

2/

30..Terminals  [2]

2/

32..Methods or arrangements for affording protection against corrosion; Selection of materials therefor  [2]

2/

34..with provision for preventing undesired use or discharge  [2]

2/

36.Arrangements for filling, topping-up or emptying cases with or of liquid, e.g. for filling with electrolytes, for washing-out  [2]

2/

38.Arrangements for moving electrolytes  [2]

2/

40..with external circulating path (H01M 8/04 takes precedence)  [2]


4/

00Electrodes (electrodes for electrolytic processes C25) [2]

Note

 In classifying electrodes of hybrid cells, the individual half-cells of the hybrid cell are considered separately, e.g. an electrode in the primary half of a primary/fuel type hybrid cell is considered to be a primary-cell electrode covered by H01M 4/06.  [2]

4/

02.Electrodes composed of, or comprising, active material  [2]

4/

04..Processes of manufacture in general  [2]

4/

06..Electrodes for primary cells  [2]

4/

08...Processes of manufacture  [2]

4/

10....of pressed electrodes with central core, i.e. dollies  [2]

4/

12....of consumable metal or alloy electrodes (use of alloy compositions as active materials H01M 4/38)  [2]

4/

14..Electrodes for lead-acid accumulators  [2]

4/

16...Processes of manufacture  [2]

4/

18....of Plante electrodes  [2]

4/

20....of pasted electrodes  [2]

4/

21.....Drying of pasted electrodes  [2]

4/

22....Forming of electrodes  [2]

4/

23.....Drying or preserving electrodes after forming  [2]

4/

24..Electrodes for alkaline accumulators  [2]

4/

26...Processes of manufacture  [2]

4/

28....Precipitating active material on the carrier  [2]

4/

29.....by electrochemical methods  [2]

4/

30....Pressing  [2]

4/

32...Nickel oxide or hydroxide electrodes  [2]

4/

34...Silver oxide or hydroxide electrodes  [2]

4/

36..Selection of substances as active materials, active masses, active liquids  [2]

4/

38...of elements or alloys  [2]

4/

40....Alloys based on alkali metals  [2]

4/

42....Alloys based on zinc  [2]

4/

44....Alloys based on cadmium  [2]

4/

46....Alloys based on magnesium or aluminium  [2]

4/

48...of inorganic oxides or hydroxides  [2]

4/

50....of manganese  [2]

4/

52....of nickel, cobalt, or iron  [2]

4/

54....of silver  [2]

4/

56....of lead  [2]

4/

57.....of "grey lead", i.e. powders containing lead and lead oxide  [2]

4/

58...of inorganic compounds other than oxides or hydroxides  [2]

4/

60...of organic compounds  [2]

4/

62..Selection of inactive substances as ingredients for active masses, e.g. binders, fillers  [2]

4/

64..Carriers or collectors  [2]

4/

66...Selection of materials  [2]

4/

68....for use in lead-acid accumulators  [2]

4/

70...characterised by shape or form  [2]

4/

72....Grids  [2]

4/

73.....for lead-acid accumulators, e.g. frame plates  [2]

4/

74.....Meshes or woven material; Expanded metal  [2]

4/

75....Wires, rods, or strips  [2]

4/

76....Containers for holding the active material, e.g. tubes, capsules  [2]

4/

78....Shapes other than plane or cylindrical, e.g. helical  [2]

4/

80....Porous plates, e.g. sintered carriers  [2]

4/

82...Multi-step processes for manufacturing carriers for lead-acid accumulators (single-step processes, see the relevant subclasses, e.g. B21D, B22D)  [2]

4/

84....involving casting  [2]

4/

86.Inert electrodes with catalytic activity, e.g. for fuel cells  [2]

4/

88..Processes of manufacture  [2]

4/

90..Selection of catalytic material  [2]

4/

92...Metals of platinum group (H01M 4/94 takes precedence)  [2]

4/

94..Non-porous diffusion electrodes, e.g. palladium membranes, ion exchange membranes  [2]

4/

96..Carbon-based electrodes  [2]

4/

98..Raney-type electrodes  [2]


6/

00Primary cells; Manufacture thereof  [2]

Note

 In this group, primary cells are electrochemical generators in which the cell energy is present in chemical form and is not regenerated.  [2]

6/

02.Details (of non-active parts H01M 2/00, of electrodes H01M 4/00)  [2]

6/

04.Cells with aqueous electrolyte  [2]

6/

06..Dry cells, i.e. cells wherein the electrolyte is rendered non-fluid  [2]

6/

08...with cup-shaped electrodes  [2]

6/

10...with wound or folded electrodes  [2]

6/

12...with flat electrodes  [2]

6/

14.Cells with non-aqueous electrolyte  [2]

6/

16..with organic electrolyte (H01M 6/18 takes precedence)  [2]

6/

18..with solid electrolyte  [2]

6/

20...working at high temperature (deferred-action thermal cells H01M 6/36)  [2]

6/

22.Immobilising of electrolyte  [2]

6/

24.Cells comprising two different electrolytes  [2]

6/

26.Cells without oxidising active material, e.g. Volta cells  [2]

6/

28.Standard cells, e.g. Weston cells  [2]

6/

30.Deferred-action cells  [2]

6/

32..activated through external addition of electrolyte or of electrolyte components  [2]

6/

34...Immersion cells, e.g. sea-water cells  [2]

6/

36..containing electrolyte and made operational by physical means, e.g. thermal cells (thermoelectric solid state devices H01L 35/00, H01L 37/00)  [2]

6/

38...by mechanical means  [2]

6/

40.Printed batteries  [2]

6/

42.Grouping of primary cells into batteries (H01M 6/40 takes precedence)  [2]

6/

44..of tubular or cup-shaped cells  [2]

6/

46..of flat cells  [2]

6/

48...with bipolar electrodes  [2]

6/

50.Methods or arrangements for servicing or maintenance, e.g. maintaining operating temperature  [2]

6/

52.Reclaiming serviceable parts of waste cells or batteries  [2]

   H01M 8/00 - H01M 16/00  
 

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