Patent classifications
H
ELECTRICITY
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H01
ELECTRIC ELEMENTS
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H01M
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
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H01M4/86
Inert electrodes with catalytic activity, e.g. for fuel cells
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H01M4/90
Selection of catalytic material
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H01M4/905
specially used in fuel cell operating at high temperature, e.g. SOFC
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H01M4/9066
of metal-ceramic composites or mixtures, e.g. cermets
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