Christine L Ho

US Patent:

20130280579, Oct 24, 2013

Filed:

Mar 5, 2013

Appl. No.:

13/784935

Inventors:

Christine Ho - Fremont CA, US

International Classification:

H01M 10/0565
H01G 9/035
H01G 9/145
H01M 6/40

US Classification:

429124, 429188, 429303, 429302, 429300, 361505, 252 622

Abstract:

An electrochemical cell includes solid-state, printable anode layer, cathode layer and non-aqueous gel electrolyte layer coupled to the anode layer and cathode layer. The electrolyte layer provides physical separation between the anode layer and the cathode layer, and comprises a composition configured to provide ionic communication between the anode layer and cathode layer by facilitating transmission of multivalent ions between the anode layer and the cathode layer.

US Patent:

20140059820, Mar 6, 2014

Filed:

Aug 16, 2013

Appl. No.:

13/968603

Inventors:

Christine Ho - Fremont CA, US

Assignee:

IMPRINT ENERGY, INC. - Alameda CA
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA - Oakland CA

International Classification:

H01G 9/00
H01G 9/145
H01M 10/0565
H01M 10/058

US Classification:

29 2503, 296231, 296235

Abstract:

An electrochemical cell includes solid-state, printable anode layer, cathode layer and non-aqueous gel electrolyte layer coupled to the anode layer and cathode layer. The electrolyte layer provides physical separation between the anode layer and the cathode layer, and comprises a composition configured to provide ionic communication between the anode layer and cathode layer by facilitating transmission of multivalent ions between the anode layer and the cathode layer.

US Patent:

20220416306, Dec 29, 2022

Filed:

Jun 29, 2022

Appl. No.:

17/809832

Inventors:

- Alameda CA, US
Chaojun Shi - Fremont CA, US
Christine Ho - Fremont CA, US
Jesse Smithyman - Oakland CA, US
Alex Gurr - Oakland CA, US
Danny Hellebusch - Oakland CA, US
Ehsan Faegh - Alameda CA, US
Albert Aumentado - San Pablo CA, US
Pavel Khokhlov - San Ramon CA, US

Assignee:

Imprint Energy, Inc. - Alameda CA

International Classification:

H01M 10/0585
H01M 50/30
H01M 4/66
H01M 10/0568
H01M 50/403
H01M 50/446
H01M 50/431
H01M 50/10
H01M 4/04

Abstract:

Provided are printed electrochemical cells, which utilize zinc salts for ionic transfer, and methods of fabricating such cells. In some examples, a printed electrochemical cell comprises a positive electrode with a positive current collector having a two-dimensional shape and comprising an electrolyte-facing surface formed by the graphite. For example, the positive current collector may be a graphite foil or an aluminum foil with a graphite coating. The cell also comprises electrolyte comprising an electrolyte salt and an electrolyte solvent. For example, the electrolyte salt comprises a zinc salt with a concentration of at least 30% by weight in the electrolyte. The cell is fabricated by printing a positive active material layer over the positive current collector, printing one or more electrolyte layers on various cell components, and laminating a separator layer between the positive and negative electrodes while soaking the separator layer with the electrolyte.

US Patent:

20220384771, Dec 1, 2022

Filed:

Aug 12, 2022

Appl. No.:

17/819453

Inventors:

- Alameda CA, US
Konstantin Tikhonov - Pleasanton CA, US
Christine Ho - Fremont CA, US
Alexander Gurr - Berkeley CA, US

Assignee:

Imprint Energy, Inc. - Alameda CA

International Classification:

H01M 4/04
H01M 10/04
H01M 10/42

Abstract:

Provided are electronic circuits, comprising electrochemical cells directly integrated with other devices of the circuits, and methods of manufacturing these circuits. The direct integration occurs during cell manufacturing, which allows sharing components, reducing operation steps and failure points, and reducing cost and size of the circuits. For example, a portion of a cell enclosure may be formed by a circuit board, providing direct mechanical integration. More specifically, the cell is fabricated right on the circuit board. In the same or other examples, one or both cell current collectors extend outside of the cell boundary and used by other devices, providing direct electrical integration without a need for intermediate connections and eliminating additional failure points. Furthermore, printing one or more components of electrochemical cells, such as electrolytes and current collectors, allows achieving higher levels of mechanical and electrical integration that are generally not available in conventional cells.

US Patent:

20210091411, Mar 25, 2021

Filed:

Sep 28, 2020

Appl. No.:

17/035101

Inventors:

- Oakland CA, US
- Alameda CA, US
Christine Ho - Fremont CA, US

Assignee:

THE REGENTS OF THE UNIVERSITY OF CALIFORNIA - Oakland CA
IMPRINT ENERGY, INC. - Alameda CA

International Classification:

H01M 10/0565
H01B 1/12
H01M 10/04
H01M 10/054
H01G 11/56
H01G 9/035
H01G 9/145
H01M 6/40
H01G 9/00
H01M 10/058
H01G 9/028
H01G 9/042
H01G 9/15
H01G 11/46
H01G 11/86
H01M 4/38
H01M 4/48
H01M 4/50
H01M 4/52
H01M 4/56
H01M 4/66

Abstract:

An electrochemical cell includes solid-state, printable anode layer, cathode layer and non-aqueous gel electrolyte layer coupled to the anode layer and cathode layer. The electrolyte layer provides physical separation between the anode layer and the cathode layer, and comprises a composition configured to provide ionic communication between the anode layer and cathode layer by facilitating transmission of multivalent ions between the anode layer and the cathode layer.

US Patent:

20200411866, Dec 31, 2020

Filed:

Sep 16, 2020

Appl. No.:

17/022778

Inventors:

- Alameda CA, US
Christine Chihfan Ho - Fremont CA, US
Karthik Yogeeswaran - San Francisco CA, US
Po-Jen Cheng - El Cerrito CA, US

Assignee:

Imprint Energy, Inc. - Alameda CA

International Classification:

H01M 4/62
H01M 10/0567
H01M 10/052
H01M 4/06
H01M 6/40
H01M 12/06
H01M 10/0568
H01M 4/13
H01M 4/04
H01M 4/131
H01M 4/134
H01M 4/1391
H01M 4/1395
H01M 4/42
H01M 4/50
H01M 10/054
H01M 10/0565
H01M 10/0585

Abstract:

An electrical or electrochemical cell, c a cathode layer, an electrolyte layer, and an anode layer is disclosed. The cathode layer includes a first material providing a cathodic electric transport, charge storage or redox function. The electrolyte layer includes a polymer, a first electrolyte salt, and/or an ionic liquid. The anode layer includes a second material providing an anodic electric transport, charge storage or redox function. At least one of the cathode and anode layers includes the ionic liquid, a second electrolyte salt, and/or a transport-enhancing additive.

US Patent:

20200373628, Nov 26, 2020

Filed:

Aug 14, 2020

Appl. No.:

16/994086

Inventors:

- Alameda CA, US
Christine C. Ho - Fremont CA, US
J. Devin Mackenzie - Lafayette CA, US

Assignee:

Imprint Energy, Inc. - Alameda CA

International Classification:

H01M 10/42
H01M 10/054
H01M 4/38
H01M 4/24
H01M 6/22
H01M 6/18
H01M 6/40
H01M 10/0565

Abstract:

The disclosure concerns an electrolyte, an electrolyte ink, a battery or other electrochemical cell including the same, and methods of making the electrolyte and electrochemical cell. The electrolyte includes an ionic liquid comprising a hydrophilic or hydrophobic anion, a multi-valent metal cation suitable for use in a battery cell, a polymer binder, and optional additives (e.g., a solid filler). The electrolyte ink includes components of the electrolyte and a solvent. The solvent and the polymer binder (or, when present, the solid filler) have a hydrophilicity, hydrophobicity or polarity similar to or matching that of the ionic liquid's anion, or form hydrogen bonds with the ionic liquid's anion. The electrolyte includes a solid inorganic filler that provides mechanical support form hydrogen bonds with the anion and/or a counterpart anion of the multi-valent metal cation, and links with a material in an adjacent layer of the electrochemical cell.

US Patent:

20200365871, Nov 19, 2020

Filed:

May 15, 2020

Appl. No.:

16/875435

Inventors:

- Alameda CA, US
Konstantin Tikhonov - Pleasanton CA, US
Christine Ho - Fremont CA, US
Alexander Gurr - Berkeley CA, US

Assignee:

Imprint Energy, Inc. - Alameda CA

International Classification:

H01M 4/04
H01M 10/42
H01M 10/04

Abstract:

Provided are electronic circuits, comprising electrochemical cells directly integrated with other devices of the circuits, and methods of manufacturing these circuits. The direct integration occurs during cell manufacturing, which allows sharing components, reducing operation steps and failure points, and reducing cost and size of the circuits. For example, a portion of a cell enclosure may be formed by a circuit board, providing direct mechanical integration. More specifically, the cell is fabricated right on the circuit board. In the same or other examples, one or both cell current collectors extend outside of the cell boundary and used by other devices, providing direct electrical integration without a need for intermediate connections and eliminating additional failure points. Furthermore, printing one or more components of electrochemical cells, such as electrolytes and current collectors, allows achieving higher levels of mechanical and electrical integration that are generally not available in conventional cells.