About 76 results
https://drivepatents.com/patents/1014494 · 30 Mar 2011
The present invention provides a transition metal phosphate and a production process thereof, a positive electrode, and a sodium secondary battery. The transition metal phosphate contains sodium (Na), phosphorus (P) and a transition metal element and havin...
https://drivepatents.com/patents/1014729 · 23 Mar 2011
The present invention provides a nonaqueous electrolyte secondary battery. The nonaqueous electrolyte secondary battery comprises a Positive electrode containing a Positive electrode active material capable of being doped and dedoped with alkali metal ions...
https://drivepatents.com/patents/1015735 · 16 Feb 2011
The present invention provides a polymer electrolyte, a crosslinked polymer electrolyte, a polymer electrolyte membrane and use of the same. The polymer electrolyte has a repeating unit represented by the following formula (1) in its molecule and an ion-ex...
https://drivepatents.com/patents/1066529 · 14 Jun 2006
A block copolymer comprising at least one segment having an acid group which is represented by the following formula (1) and at least one segment substantially free from acid groups which comprises repeating units represented by the following formula (2) i...
https://drivepatents.com/patents/1066630 · 7 Jun 2006
The present invention provides a molded multi-layer body comprising two or more thermoplastic resin layers and one or more adhesive layers, wherein at least one of the thermoplastic resin layers is a layer (A) comprising a liquid crystal polymer containing...
https://drivepatents.com/patents/1067158 · 31 May 2006
A polymer electrolyte composite film which comprises a porous base material and, provided in fine pores thereof, a polymer electrolyte comprising a hydrophilic moiety and a hydrophobic moiety, the hydrophilic and hydrophobic moieties of said polymer electr...
https://drivepatents.com/patents/1070001 · 15 Feb 2006
A polymer electrolyte fuel cell comprising: a solid polymer electrolyte (1) membrane containing an aromatic polymer electrolyte; an electrode comprising a catalyst layer (2) and a gas diffusion layer (3) as an anode and a cathode to be joined on both surfa...
https://drivepatents.com/patents/1070264 · 8 Feb 2006
An aromatic-polyether-type ion conductive polymer membrane having improved mechanical strength is provided. An aromatic-polyether-type ion-conductive ultrahigh molecular weight polymer having an ion exchange capacity of 0.1 meq/g or higher and a structure ...
https://drivepatents.com/patents/1071453 · 28 Dec 2005
The present invention provides a process for producing a polymerelectrolyte membrane comprising the steps of coating a solution of a polymerelectrolyte on at least one surface of a porous substrate and laminating the coated porous substrate and a supportin...
https://drivepatents.com/patents/1073531 · 5 Oct 2005
A projection screen using light control layers having high light diffusion and further providing an image with high image quality over a wide angle range without deteriorating light transmittance is provided. The projection screen comprises a plural number...