About 94 results
https://drivepatents.com/patents/1085827 · 7 Jul 2004
A new proton conductor capable of exhibiting a high proton conductivity in a dry atmosphere at temperatures in a comparatively wide range including room temperature; a method for production thereof; and an electrochemical device provided therewith. The pro...
https://drivepatents.com/patents/1087936 · 21 Apr 2004
A proton conductor which comprises a carbon cluster having a functional group capable of releasing a proton and a substance having a moiety capable of accepting a proton, or which comprises a substance capable of releasing a proton and a carbon cluster hav...
https://drivepatents.com/patents/1090308 · 21 Jan 2004
A solid polymer electrolyte - catalyst combined electrode which comprises a solid polymer electrolyte and carbon particles carrying a catalytic material. The solid polymer fuel cell electrode contains carbon particles which are monolayer carbon nano-hom ag...
https://drivepatents.com/patents/1091816 · 19 Nov 2003
A conductive silicon composite in which particles having a structure in which crystallites of silicon are dispersed in silicon dioxide are coated on their surfaces with carbon affords satisfactory cycle performance when used as the negative electrode mater...
https://drivepatents.com/patents/1093276 · 17 Sep 2003
The invention provides an apparatus for producing hydrogen and a method for producing hydrogen which effectively produce hydrogen in the low humidity atmosphere without humidifier or dehumidifier, and an electrochemistry device and a method for generating ...
https://drivepatents.com/patents/1097629 · 12 Mar 2003
Deionizers using the electrode configurations of electrochemical capacitors are described, wherein the deionizing process is called capacitive deionization (CDI). During deionization, a DC electric field is applied to the cells and ions are adsorbed on the...
ELECTRICALLY CONDUCTIVE FINE CARBON COMPOSITE, CATALYST FOR SOLID POLYMER FUEL CELL AND FUEL BATTERY
https://drivepatents.com/patents/1098018 · 5 Mar 2003
The present invention relates to (1) carbon powder having a primary particle size of 100 nm or less and an X-ray crystallite plane spacing C0 of less than 0.680 nm, preferably of 0.6730 nm or less, which shows a volume resistivity of 0.1 OMEGA cm or less i...
https://drivepatents.com/patents/1097840 · 5 Mar 2003
A carbon fiber has a coaxial stacking morphology of truncated conical tubular graphene layers, wherein each of the graphene layers includes a hexagonal carbon layer and has a large ring end at one end and a small ring end at the other end in the axial dire...
https://drivepatents.com/patents/1097831 · 5 Mar 2003
A carbon fiber has a coaxial stacking morphology of truncated conical tubular graphene layers, wherein each of the truncated conical tubular graphene layers includes a hexagonal carbon layer and has a large ring end at one end and a small ring end at the o...
https://drivepatents.com/patents/1098483 · 5 Feb 2003
Cobalt oxide particles, useful as a precursor of a cathode active material for a non-aqueous electrolyte secondary cell, have a composition represented by the formula: (Co(1-x)Mgx)3O4 wherein x is 0.001 to 0.15, a BET specific surface area value of 0.5 to ...