公开(公告)号：US11894566B2

公开(公告)日：2024-02-06

申请号：US15930074

申请日：2020-05-12

Applicant: Robert Bosch GmbH

Inventor： Soo Kim ,  Jonathan Mailoa ,  Ulrich Berner ,  Nathan Craig ,  Charles Tuffile

IPC: H01M4/92 ,  H01M8/1004 ,  H01M8/0438 ,  H01M8/2483

CPC classification number: H01M4/921 ,  H01M8/04388 ,  H01M8/04395 ,  H01M8/1004 ,  H01M8/2483

Abstract: A fuel cell stack includes a first end region, a second end region, and a middle region. At least one of a first number of fuel cell units in the first end region is a first fuel cell unit including a membrane electrode assembly (MEA) with a first catalyst material on either or both an anode and a cathode of the first fuel cell unit. At least one of a second number of fuel cell units in the second end region is a second fuel cell unit including an MEA with a second catalyst material on either or both an anode and a cathode of the first fuel cell unit. The middle region is situated between the first and the second end region. At least one of a third number of fuel cell units in the middle region is a third fuel cell unit including an MEA with a third catalyst material on either or both an anode and a cathode of the first fuel cell unit. At least one of the first, the second, and the third catalyst material are different.

公开(公告)号：US11884560B2

公开(公告)日：2024-01-30

申请号：US16591199

申请日：2019-10-02

Applicant: Robert Bosch GmbH

Inventor： Mordechai C. Kornbluth ,  Jonathan Mailoa ,  Soo Kim ,  Georgy Samsonidze ,  Boris Kozinsky ,  Saravanan Kuppan ,  Sondra Hellstrom ,  Nathan Craig

IPC: C25B11/00 ,  C02F1/461 ,  C02F5/00 ,  C02F1/46

CPC classification number: C02F1/46109 ,  C02F1/4602 ,  C02F5/00 ,  C02F2001/46133

Abstract: A water softening device includes a container configured to contain water, first and second electrodes arranged in fluid communication with the water, and a power source. The first electrode includes a conversion material that has a first composition and a second composition coexisting with the first composition. The first composition includes calcium ions bonded thereto and the second composition includes sodium ions bonded thereto. The power source supplies current in a first operating state such that the second composition exchanges sodium ions for calcium ions in the water to generate a soft water solution. The first and second electrodes are connected in a second operating state such that the first composition exchanges calcium ions for sodium ions in the water to generate a wastewater solution. The conversion material undergoes a reversible conversion reaction to convert between the first and second compositions within the water stability window.

公开(公告)号：US11817184B2

公开(公告)日：2023-11-14

申请号：US16414260

申请日：2019-05-16

Applicant: Robert Bosch GmbH

Inventor： Cheol Woo Park ,  Jonathan Mailoa ,  Mordechai Kornbluth ,  Georgy Samsonidze ,  Soo Kim ,  Karim Gadelrab ,  Boris Kozinsky ,  Nathan Craig

IPC: G06N3/08 ,  G06N3/04 ,  G16C20/10

CPC classification number: G16C20/10 ,  G06N3/04 ,  G06N3/08

Abstract: A computational method simulating the motion of elements within a multi-element system using a graph neural network (GNN). The method includes converting a molecular dynamics snapshot of the elements into a directed graph comprised of nodes and edges. The method further includes the step of initially embedding the nodes and the edges to obtain initially embedded nodes and edges. The method also includes updating the initially embedded nodes and edges by passing a first message from a first edge to a first node using a first message function and passing a second message from the first node to the first edge using a second message function to obtain updated embedded nodes and edges, and predicting a force vector for one or more elements based on the updated embedded edges and a unit vector pointing from the first node to a second node or the second node to the first node.

公开(公告)号：US11757104B2

公开(公告)日：2023-09-12

申请号：US17734558

申请日：2022-05-02

Applicant: Robert Bosch GmbH

Inventor： Soo Kim ,  Jonathan Mailoa ,  Mordechai Kornbluth ,  Lei Cheng ,  Georgy Samsonidze ,  Boris Kozinsky ,  Nathan Craig

IPC: H01M4/90 ,  H01M4/88 ,  H01M4/92

CPC classification number: H01M4/9033 ,  H01M4/8825 ,  H01M4/9075 ,  H01M4/921 ,  H01M4/925

Abstract: A catalyst support material for a proton exchange membrane fuel cell (PEMFC). The catalyst support material includes a metal material of an at least partially oxidized form of TiNb3O6 reactive with H3O+, HF and/or SO3− to form reaction products in which the metal material of the at least partially oxidized form of TiNb3O6 accounts for a stable molar percentage of the reaction products.

公开(公告)号：US11376565B2

公开(公告)日：2022-07-05

申请号：US16724860

申请日：2019-12-23

Applicant: Robert Bosch GmbH

Inventor： Jonathan Mailoa ,  Soo Kim ,  Boris Kozinsky

IPC: B01J21/10 ,  B01J37/02 ,  B01J37/00 ,  B01J23/42 ,  H01M4/88 ,  H01M4/86 ,  H01M4/90

Abstract: A method of forming a fuel cell catalyst system, the method includes providing an anticorrosive, conductive catalyst support material having oxygen vacancies and a formula (I): MgTi2O5-δ  (I), where δ is any number between 0 and 3 optionally including a fractional part denoting the oxygen vacancies, coating the catalyst support material with a polymeric film, attaching a catalyst material onto the polymeric film, removing the polymeric film, and providing additional material onto the support material to increase physical, electrical, and/or mechanical contact between the catalyst material and the catalyst support material.

公开(公告)号：US11316171B2

公开(公告)日：2022-04-26

申请号：US16675538

申请日：2019-11-06

Applicant: Robert Bosch GmbH

Inventor： Lei Cheng ,  Jonathan Mailoa ,  Soo Kim ,  Mordechai Kornbluth ,  Dawei Zhang ,  Nathan Craig

IPC: H01M8/0228 ,  H01M8/0206 ,  H01M8/0217

Abstract: A fuel cell bipolar plate (BPP) includes a metal substrate having a bulk portion and a surface portion comprising an anticorrosive, conductive material having oxygen vacancies and a formula (I): MgTi2O5-δ  (I), where δ is any number between 0 and 3 optionally including a fractional part denoting the oxygen vacancies, the material having an electronic conductivity of about 2-10 S/m at room temperature in an ambient environment.

公开(公告)号：US20210198124A1

公开(公告)日：2021-07-01

申请号：US16731344

申请日：2019-12-31

Applicant: Robert Bosch GmbH

Inventor： Michael Metzger ,  Soo Kim ,  Saravanan Kuppan ,  Sondra Hellstrom ,  Jake Christensen

IPC: C02F1/469

Abstract: An electrochemical water cleaning device including one or more deionization cells having a membrane electrode assembly including a first electrode compartment separated by an anion exchange membrane from a second electrode compartment, each of the first and second compartments configured to contain an intercalation host electrode, a first water stream compartment separated by the membrane electrode assembly from a second water stream compartment, each of the first and second water stream compartments configured to contain a saline water solution and arranged to be in respective fluid communication with the first and second electrode compartments.

公开(公告)号：US11444292B2

公开(公告)日：2022-09-13

申请号：US16233575

申请日：2018-12-27

Applicant: Robert Bosch GmbH

Inventor： Mordechai Kornbluth ,  Soo Kim ,  Jonathan Mailoa ,  Lei Cheng ,  Georgy Samsonidze ,  Boris Kozinsky ,  Nathan Craig ,  Saravanan Kuppan ,  Sondra Hellstrom ,  Jake Christensen

IPC: H01M8/0245 ,  C25D9/04 ,  C25D7/06 ,  H01M8/021

Abstract: An anticorrosive and conductive substrate includes a bulk portion and a surface portion including a magnesium titanium material having a formula (I) TixMg1-xOy (I), where x is a number from 0 to ≤1 and y is a number from 1 to ≤2, and wherein at least about 50% of the magnesium titanium material has a cubic crystal structure, and wherein the magnesium titanium material is configured to impart anticorrosive and conductive properties to the substrate.

公开(公告)号：US11345987B2

公开(公告)日：2022-05-31

申请号：US16229199

申请日：2018-12-21

Applicant: Robert Bosch GmbH

Inventor： Lei Cheng ,  Soo Kim ,  Mordechai Kornbluth ,  Jonathan Mailoa ,  Georgy Samsonidze ,  Nathan Craig ,  Christina Johnston

IPC: C23C8/02 ,  C23C22/34 ,  C23C8/40 ,  C21D6/00 ,  C23C8/80 ,  C22C38/02 ,  C22C38/44

Abstract: A method for treating a metal material to make a surface portion hydrophobic. The method includes oxidizing an untreated surface portion of the metal material to form an oxidized surface portion. The untreated surface portion has metal atoms. The oxidizing step forming bonds between the metal atoms and oxygen atoms. The method further includes doping the oxidized surface portion with a liquid containing a fluorine-containing salt to form a fluorinated surface portion. The doping step forming bonds between fluorine atoms and at least a portion of the metal atoms and the oxygen atoms. The fluorinated surface portion is hydrophobic.

公开(公告)号：US11145875B2

公开(公告)日：2021-10-12

申请号：US16544511

申请日：2019-08-19

Applicant: Robert Bosch GmbH

Inventor： Soo Kim ,  Jonathan Mailoa ,  Mordechai Kornbluth ,  Yelena Gorlin ,  Georgy Samsonidze ,  Boris Kozinsky ,  Nathan Craig

IPC: H01M4/92 ,  H01M8/1018

Abstract: A fuel cell first and second electrode catalyst layers and a polymer electrolyte membrane (PEM) situated therebetween. A graphene-based material coated onto a first and/or second surface of the first and/or second electrode catalyst layers. The graphene-based material has a number of defects including a number of quad-vacancy (QV) defects formed by a vacancy of four adjacent carbon atoms in the graphene-based material. The number of QV defects are configured to mitigate dissolution of the first and/or second catalyst materials through the first and/or second surface of the first and/or second electrode catalyst layers.