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IPC 7
  H01M - H01M 6/52  
H01M00800-H01M01600
 

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]


8/

00Fuel cells; Manufacture thereof  [2]

Note

 In this group, fuel cells are electrochemical generators wherein the reactants are supplied from outside.  [2]

8/

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

8/

04.Auxiliary arrangements or processes, e.g. for control of pressure, for circulation of fluids  [2]

8/

06.Combination of fuel cell with means for production of reactants or for treatment of residues (regenerative fuel cells H01M 8/18; production of reactants per se, see sections B or C)  [2]

8/

08.Fuel cells with aqueous electrolytes  [2]

8/

10.Fuel cells with solid electrolytes  [2]

8/

12..operating at high temperature, e.g. with stabilised ZrO2 electrolyte  [2]

8/

14.Fuel cells with fused electrolytes  [2]

8/

16.Biochemical fuel cells, i.e. cells in which micro-organisms function as catalysts  [2]

8/

18.Regenerative fuel cells  [2]

8/

20.Indirect fuel cells, e.g. redox cells (H01M 8/18 takes precedence)  [2]

8/

22.Fuel cells in which the fuel is based on materials comprising carbon or oxygen or hydrogen and other elements; Fuel cells in which the fuel is based on materials comprising only elements other than carbon, oxygen, or hydrogen  [2]

8/

24.Grouping of fuel cells into batteries, e.g. modules  [2]


10/

00Secondary cells; Manufacture thereof  [2]

Note

 In this group, secondary cells are accumulators receiving and supplying electrical energy by means of reversible electrochemical reactions.  [2]

10/

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

10/

04.Construction or manufacture in general (H01M 10/12, H01M 10/28, H01M 10/38 take precedence)  [2]

10/

06.Lead-acid accumulators (semi-lead accumulators H01M 10/20)  [2]

10/

08..Selection of materials as electrolytes  [2]

10/

10...Immobilising of electrolyte  [2]

10/

12..Construction or manufacture  [2]

10/

14...Assembling a group of electrodes or separators  [2]

10/

16...Suspending or supporting electrodes or groups of electrodes in the case  [2]

10/

18..with bipolar electrodes  [2]

10/

20.Semi-lead accumulators, i.e. accumulators in which only one electrode contains lead  [2]

10/

22..Selection of materials as electrolytes  [2]

10/

24.Alkaline accumulators  [2]

10/

26..Selection of materials as electrolytes  [2]

10/

28..Construction or manufacture  [2]

10/

30..Nickel accumulators (H01M 10/34 takes precedence)  [2]

10/

32..Silver accumulators (H01M 10/34 takes precedence)  [2]

10/

34.Gastight accumulators  [2]

10/

36.Accumulators not provided for in groups H01M 10/06 to H01M 10/34  [2]

10/

38..Construction or manufacture  [2]

10/

39..working at high temperature  [2]

10/

40..with organic electrolytes  [2]

10/

42.Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells  [2]

10/

44..Methods for charging or discharging (circuits for charging H02J 7/00)  [2]

10/

46..Accumulators structurally combined with charging apparatus (circuits for charging H02J 7/00)  [2]

10/

48..Accumulators combined with arrangements for measuring, testing, or indicating condition, e.g. level or density of the electrolyte (indicating or measuring level of liquid in general G01F 23/00; measuring density G01N, e.g. G01N 9/00; measuring electric variables G01R)  [2]

10/

50..Heating or cooling or regulating temperature (control of temperature in general G05D 23/00)  [2]

10/

52..Removing gases inside the secondary cell, e.g. by absorption (vent plugs or other mechanical arrangements for facilitating escape of gases H01M 2/12)  [2]

10/

54.Reclaiming serviceable parts of waste accumulators  [2]


12/

00Hybrid cells; Manufacture thereof  [2]

Note

 In this group, hybrid cells are electrochemical generators having two different types of half-cells, the half-cell being an electrode-electrolyte combination of either a primary, a secondary, or a fuel cell.  [2]

12/

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

12/

04.composed of a half-cell of the fuel-cell type and of a half-cell of the primary-cell type (methods or arrangements for servicing or maintenance H01M 6/50)  [2]

12/

06..with one metallic and one gaseous electrode  [2]

12/

08.composed of a half-cell of a fuel-cell type and a half-cell of the secondary-cell type (methods or arrangements for servicing or maintenance, e.g. for charging, H01M 10/42)  [2]


14/

00Electrochemical current or voltage generators not provided for in groups H01M 6/00 to H01M 12/00  [2]


16/

00Structural combinations of different types of electrochemical generators  [2]


  H01M - H01M 6/52   
 

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