IPC 6 English version H01M !A-H01M 6/52

H01M-H01M00652

SECTION H– ELECTRICITY

H 01

BASIC ELECTRIC ELEMENTS

H 01 M

PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY (electrochemical processes or apparatus in general C 25; semiconductor or other solid state devices for converting light or heat into electrical energy H 01 L, e.g. H 01 L 31/00, H 01 L 35/00, H 01 L 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 C 12 S. [5]

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

Cases, jackets, or wrappings (working of plastics or substances in a plastic state B 29) [2]

Lids or covers [2]

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

Sealing materials [2]

Mountings; Suspension devices; Shock absorbers; Transport or carrying devices; Holders (structural combination of accumulators with charging apparatus H 01 M 10/46) [2]

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

Separators; Membranes; Diaphragms; Spacing elements [2]

characterised by the material [2]

characterised by the shape [2]

Current-conducting connections for cells [2]

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

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

Electrode connections [2]

for lead-acid accumulators [2]

Terminals [2]

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

with provision for preventing undesired use or discharge [2]

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

Arrangements for moving electrolytes [2]

with external circulating path (H 01 M 8/04 takes precedence) [2]

Electrodes (electrodes for electrolytic processes C 25) [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 H 01 M 4/06. [2]

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

Processes of manufacture in general [2]

Electrodes for primary cells [2]

Processes of manufacture [2]

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

of consumable metal or alloy electrodes (use of alloy compositions as active materials H 01 M 4/38) [2]

Electrodes for lead-acid accumulators [2]

Processes of manufacture [2]

of Plante electrodes [2]

of pasted electrodes [2]

Drying of pasted electrodes [2]

Forming of electrodes [2]

Drying or preserving electrodes after forming [2]

Electrodes for alkaline accumulators [2]

Processes of manufacture [2]

Precipitating active material on the carrier [2]

by electrochemical methods [2]

Pressing [2]

Nickel oxide or hydroxide electrodes [2]

Silver oxide or hydroxide electrodes [2]

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

of elements or alloys [2]

Alloys based on alkali metals [2]

Alloys based on zinc [2]

Alloys based on cadmium [2]

Alloys based on magnesium or aluminium [2]

of inorganic oxides or hydroxides [2]

of manganese [2]

of nickel, cobalt, or iron [2]

of silver [2]

of lead [2]

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

of inorganic compounds other than oxides or hydroxides [2]

of organic compounds [2]

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

Carriers or collectors [2]

Selection of materials [2]

for use in lead-acid accumulators [2]

characterised by shape or form [2]

Grids [2]

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

Meshes or woven material; Expanded metal [2]

Wires, rods, or strips [2]

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

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

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

Multi-step processes for manufacturing carriers for lead-acid accumulators (single-step processes, see the relevant subclasses, e.g. B 21 D, B 22 D) [2]

involving casting [2]

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

Processes of manufacture [2]

Selection of catalytic material [2]

Metals of platinum group (H 01 M 4/94 takes precedence) [2]

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

Carbon-based electrodes [2]

Raney-type electrodes [2]

Primary 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]

Details (of non-active parts H 01 M 2/00, of electrodes H 01 M 4/00) [2]

Cells with aqueous electrolyte [2]

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

with cup-shaped electrodes [2]

with wound or folded electrodes [2]

with flat electrodes [2]

Cells with non-aqueous electrolyte [2]

with organic electrolyte (H 01 M 6/18 takes precedence) [2]

with solid electrolyte [2]

working at high temperature (deferred-action thermal cells H 01 M 6/36) [2]

Immobilising of electrolyte [2]

Cells comprising two different electrolytes [2]

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

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

Deferred-action cells [2]

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

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

containing electrolyte and made operational by physical means, e.g. thermal cells (thermoelectric solid state devices H 01 L 35/00, H 01 L 37/00) [2]

by mechanical means [2]

Printed batteries [2]

Grouping of primary cells into batteries (H 01 M 6/40 takes precedence) [2]

of tubular or cup-shaped cells [2]

of flat cells [2]

with bipolar electrodes [2]

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

Reclaiming serviceable parts of waste cells or batteries [2]

H01M 8/00 - H01M 16/00