Patents by Inventor Bjoern Pietzak
Bjoern Pietzak has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
-
Patent number: 8377997Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: GrantFiled: January 5, 2010Date of Patent: February 19, 2013Assignee: Sony CorporationInventors: Berthold Nuber, Bjoern Pietzak
-
Patent number: 8362096Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: GrantFiled: November 10, 2009Date of Patent: January 29, 2013Assignee: Sony CorporationInventors: Berthold Nuber, Bjoern Pietzak
-
Patent number: 7771891Abstract: Disclosed herein are an ionic conductor including a proton conductor, a process for production thereof, and an electrochemical device (such as fuel cell) with said ionic conductor, said ionic conductor being superior in ionic conductivity, water resistance, and film forming properties. The ionic conductor is formed from a polymer in which carbon clusters having ion dissociating functional groups are bonded to each other through connecting groups. The polymer is less water-soluble and more chemically stable than a derivative composed solely of carbon clusters; therefore, it permits many ion dissociating functional group to be introduced thereinto. Moreover, if ion dissociating functional groups are introduced into also the connecting group, it is possible to prevent the concentration of ion dissociating functional groups from decreasing as the result of polymerization. The polymer can be easily synthesized by simple condensation, substitution, and hydrolysis.Type: GrantFiled: December 19, 2008Date of Patent: August 10, 2010Assignee: Sony CorporationInventors: Koichiro Hinokuma, Bjoern Pietzak, Constance Gertrud Rost, Masafumi Ata, Yongming Li, Kazuaki Fukushima
-
Patent number: 7732502Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: GrantFiled: October 19, 2006Date of Patent: June 8, 2010Assignee: Sony CorporationInventors: Berthold Nuber, Bjoern Pietzak
-
Patent number: 7732501Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: GrantFiled: October 19, 2006Date of Patent: June 8, 2010Assignee: Sony CorporationInventors: Berthold Nuber, Bjoern Pietzak
-
Publication number: 20100120927Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: ApplicationFiled: January 5, 2010Publication date: May 13, 2010Applicant: SONY CORPORATIONInventors: Berthold Nuber, Bjoern Pietzak
-
Publication number: 20100075197Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: ApplicationFiled: November 10, 2009Publication date: March 25, 2010Applicant: SONY CORPORATIONInventors: Berthold Nuber, Bjoern Pietzak
-
Patent number: 7674544Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: GrantFiled: October 19, 2006Date of Patent: March 9, 2010Assignee: Sony CorporationInventors: Berthold Nuber, Bjoern Pietzak
-
Patent number: 7651803Abstract: Disclosed herein are an ionic conductor including a proton conductor, a process for production thereof, and an electrochemical device (such as fuel cell) with said ionic conductor, said ionic conductor being superior in ionic conductivity, water resistance, and film forming properties. The ionic conductor is formed from a polymer in which carbon clusters having ion dissociating functional groups are bonded to each other through connecting groups. The polymer is less water-soluble and more chemically stable than a derivative composed solely of carbon clusters; therefore, it permits many ion dissociating functional group to be introduced thereinto. Moreover, if ion dissociating functional groups are introduced into also the connecting group, it is possible to prevent the concentration of ion dissociating functional groups from decreasing as the result of polymerization. The polymer can be easily synthesized by simple condensation, substitution, and hydrolysis.Type: GrantFiled: November 20, 2006Date of Patent: January 26, 2010Assignee: Sony CorporationInventors: Koichiro Hinokuma, Bjoern Pietzak, Constance Gertrud Rost, Masafumi Ata, Yongming Li, Kazuaki Fukushima
-
Publication number: 20090105357Abstract: Disclosed herein are an ionic conductor including a proton conductor, a process for production thereof, and an electrochemical device (such as fuel cell) with said ionic conductor, said ionic conductor being superior in ionic conductivity, water resistance, and film forming properties. The ionic conductor is formed from a polymer in which carbon clusters having ion dissociating functional groups are bonded to each other through connecting groups. The polymer is less water-soluble and more chemically stable than a derivative composed solely of carbon clusters; therefore, it permits many ion dissociating functional group to be introduced thereinto. Moreover, if ion dissociating functional groups are introduced into also the connecting group, it is possible to prevent the concentration of ion dissociating functional groups from decreasing as the result of polymerization. The polymer can be easily synthesized by simple condensation, substitution, and hydrolysis.Type: ApplicationFiled: December 19, 2008Publication date: April 23, 2009Applicant: SONY CORPORATIONInventors: Koichiro Hinokuma, Bjoern Pietzak, Constance Gertrud Rost, Masafumi Ata, Yongming Li, Kazuaki Fukushima
-
Publication number: 20070259977Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: ApplicationFiled: October 19, 2006Publication date: November 8, 2007Applicant: SONY CORPORATIONInventors: Berthold Nuber, Bjoern Pietzak
-
Publication number: 20070219385Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: ApplicationFiled: October 19, 2006Publication date: September 20, 2007Applicant: SONY CORPORATIONInventors: Berthold Nuber, Bjoern Pietzak
-
Publication number: 20070092800Abstract: Disclosed herein are an ionic conductor including a proton conductor, a process for production thereof, and an electrochemical device (such as fuel cell) with said ionic conductor, said ionic conductor being superior in ionic conductivity, water resistance, and film forming properties. The ionic conductor is formed from a polymer in which carbon clusters having ion dissociating functional groups are bonded to each other through connecting groups. The polymer is less water-soluble and more chemically stable than a derivative composed solely of carbon clusters; therefore, it permits many ion dissociating functional group to be introduced thereinto. Moreover, if ion dissociating functional groups are introduced into also the connecting group, it is possible to prevent the concentration of ion dissociating functional groups from decreasing as the result of polymerization. The polymer can be easily synthesized by simple condensation, substitution, and hydrolysis.Type: ApplicationFiled: November 20, 2006Publication date: April 26, 2007Applicant: Sony CorporationInventors: Koichiro Hinokuma, Bjoern Pietzak, Constance Rost, Masafumi Ata, Yongming Li, Kazuaki Fukushima
-
Publication number: 20070087247Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: ApplicationFiled: October 19, 2006Publication date: April 19, 2007Applicant: SONY CORPORATIONInventors: Berthold Nuber, Bjoern Pietzak
-
Patent number: 7198863Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: GrantFiled: November 10, 2004Date of Patent: April 3, 2007Assignee: Sony CorporationInventors: Berthold Nuber, Bjoern Pietzak
-
Patent number: 7157183Abstract: A proton conductor mainly contains a carbonaceous material derivative, such as, a fullerene derivative, a carbon cluster derivative, or a tubular carbonaceous material derivative in which groups capable of transferring protons, for example, —OH groups or —OSO3H groups are introduced to carbon atoms of the carbonaceous material derivative. The proton conductor is produced typically by compacting a powder of the carbonaceous material derivative. The proton conductor is usable, even in a dry state, in a wide temperature range including ordinary temperature. In particular, the proton conductor mainly containing the carbon cluster derivative is advantageous in increasing the strength and extending the selection range of raw materials. An electrochemical device, such as, a fuel cell, that employs the proton conductor is not limited by atmospheric conditions and can be of a small and simple construction.Type: GrantFiled: June 14, 2002Date of Patent: January 2, 2007Assignee: Sony CorporationInventors: Koichiro Hinokuma, Björn Pietzak, Constance Gertrud Rost, Masafumi Ata
-
Patent number: 7153608Abstract: An ionic conductor, such as a proton conductor, a process for production thereof, and an electrochemical device, such as fuel cell, that includes the ionic conductor is provided. The ionic conductor of the present invention is formed from a polymer in which carbon clusters having ion dissociating functional groups are bonded to each other through connecting groups which can also include one or more ion dissociating functional groups. In this regard, the polymer is less water-soluble and more chemically stable than a derivative composed solely of carbon clusters, thus displaying enhanced ionic conduction properties.Type: GrantFiled: October 25, 2002Date of Patent: December 26, 2006Assignee: Sony CorporationInventors: Koichiro Hinokuma, Bjoern Pietzak, Constance Gertrud Rost, Masafumi Ata, Yongming Li, Kazuaki Fukushima
-
Patent number: 7008713Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: GrantFiled: November 10, 2004Date of Patent: March 7, 2006Assignee: Sony CorporationInventors: Berthold Nuber, Bjoern Pietzak
-
Publication number: 20050214615Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: ApplicationFiled: November 10, 2004Publication date: September 29, 2005Inventors: Berthold Nuber, Bjoern Pietzak
-
Patent number: 6890676Abstract: A fullerene-based proton conductor including a proton conductive functional group connected to the fullerene by an at least partially fluorinated spacer molecule. Also, a polymer including at least two of the proton conductors that are connected by a linking molecule. Further, an electrochemical device employing the polymer as a proton exchange membrane, whereby the device is able to achieve a self-humidifying characteristic.Type: GrantFiled: April 1, 2002Date of Patent: May 10, 2005Assignee: Sony CorporationInventors: Berthold Nuber, Bjoern Pietzak