公开(公告)号：US20250046860A1

公开(公告)日：2025-02-06

申请号：US18794233

申请日：2024-08-05

Applicant: 24M Technologies, Inc.

Inventor： Junzheng CHEN ,  Naoki OTA ,  Jeffry DISKO ,  Yuki KUSACHI

IPC: H01M10/056

Abstract: Embodiments described herein relate generally to electrochemical cells including a selectively permeable membrane and systems and methods for manufacturing the same. In some embodiments, the selectively permeable membrane can include a solid-state electrolyte material. In some embodiments, electrochemical cells can include a cathode disposed on a cathode current collector, an anode disposed on an anode current collector, and the selectively permeable membrane disposed therebetween. In some embodiments, the cathode and/or anode can include a slurry of an active material and a conductive material in a liquid electrolyte. In some embodiments, a catholyte can be different from an anolyte. In some embodiments, the catholyte can be optimized to improve the redox electrochemistry of the cathode and the anolyte can be optimized to improve the redox electrochemistry of the anode. In some embodiments, the selectively permeable membrane can be configured to isolate the catholyte from the anolyte.

公开(公告)号：US20240413482A1

公开(公告)日：2024-12-12

申请号：US18442938

申请日：2024-02-15

Applicant: 24M Technologies, Inc.

Inventor： Ricardo BAZZARELLA ,  Junzheng CHEN

IPC: H01M50/30 ,  H01M10/0587 ,  H01M50/183 ,  H01M50/20 ,  H01M50/502

Abstract: Embodiments described herein relate generally to electrochemical cells having dual electrolytes, systems of such electrochemical cells, and methods for manufacturing the same. In some embodiments, electrochemical cells can include a cathode disposed on a cathode current collector, an anode disposed on an anode current collector, and a separator disposed therebetween. In some embodiments, the separator can include materials that fluidically and/or chemically isolate the anode from the cathode. In some embodiments, the cathode and/or anode can include a slurry of an active material and a conductive material in a liquid electrolyte. In some embodiments, the anode can be fluidically coupled to an anode degassing port. In some embodiments, the cathode can be fluidically coupled to a cathode degassing port.

公开(公告)号：US20240047772A1

公开(公告)日：2024-02-08

申请号：US18228920

申请日：2023-08-01

Applicant: 24M Technologies, Inc.

Inventor： Chad Alan HARTZOG ,  Mark YOUNG ,  Ryan Michael LAWRENCE ,  Junzheng CHEN ,  Naoki OTA

IPC: H01M10/48 ,  H01M50/531 ,  G01R31/392 ,  G01R31/3835

CPC classification number: H01M10/48 ,  H01M50/531 ,  G01R31/392 ,  G01R31/3835

Abstract: In some aspects, a method of monitoring health of an electrochemical cell can include measuring a first anode voltage at a first anode tab from the plurality of anode tabs and a second anode voltage at a second anode tab from the plurality of anode tabs; measuring a first cathode voltage at a first cathode tab from the plurality of cathode tabs and a second cathode voltage at a second cathode tab from the plurality of cathode tabs; and calculating a first sense voltage, the first sense voltage being a difference between the first cathode voltage and the first anode voltage. In some embodiments, a second sense voltage can be calculated, the second sense voltage being a difference between the second cathode voltage and the second anode voltage. In some embodiments, a difference between the first sense voltage and the second sense voltage can be calculated.

公开(公告)号：US20230369603A1

公开(公告)日：2023-11-16

申请号：US18195525

申请日：2023-05-10

Applicant: 24M Technologies, Inc.

Inventor： Naoki OTA ,  Junzheng CHEN

IPC: H01M4/66 ,  H01M4/134 ,  H01M4/38 ,  H01M50/489 ,  H01M10/058 ,  H01M4/04 ,  H01M10/42

CPC classification number: H01M4/667 ,  H01M4/661 ,  H01M4/134 ,  H01M4/382 ,  H01M50/489 ,  H01M10/058 ,  H01M4/0426 ,  H01M10/4235

Abstract: In some aspects, an electrode described herein can include a resin configured to create a rise in impedance, a film coupled to a first side of the resin via an adhesive, a first portion of an electrode material disposed on a second side of the resin, and a second portion of the electrode material disposed on the second side of the resin, wherein the first portion of the current collector material does not physically contact the second portion of the current collector material. In some embodiments, the electrode can further include a first portion of a current collector material disposed between the resin and the first portion of the electrode material and a second portion of the current collector material disposed between the resin and the second portion of the electrode material.

公开(公告)号：US20230335748A1

公开(公告)日：2023-10-19

申请号：US18140883

申请日：2023-04-28

Applicant: 24M Technologies, Inc.

Inventor： Junzheng CHEN ,  Naoki OTA ,  Xiaoming LIU

IPC: H01M4/62 ,  H01M4/587 ,  H01M4/525 ,  H01M10/04 ,  H01M50/186 ,  H01M50/105 ,  H01M4/505 ,  H01M4/133 ,  H01M4/131

CPC classification number: H01M4/628 ,  H01M4/587 ,  H01M4/525 ,  H01M10/049 ,  H01M50/186 ,  H01M50/105 ,  H01M4/505 ,  H01M4/133 ,  H01M4/131

Abstract: Embodiments described herein relate generally to electrochemical cells with dendrite prevention mechanisms. In some embodiments, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, and a separator disposed between the anode and the cathode. In some embodiments, at least one of the anode or the cathode includes a first portion and a second portion, the second portion configured to prevent dendrite formation around an outside edge of the anode and/or the cathode. In some embodiments, the second portion can include an electroactive material disposed on the anode current collector around an outside edge of the anode current collector. In some embodiments, the second portion can include an electroactive material disposed on a pouch material around an outside edge of the anode current collector.

公开(公告)号：US20250140924A1

公开(公告)日：2025-05-01

申请号：US18747106

申请日：2024-06-18

Applicant: 24M Technologies, Inc.

Inventor： Junhua SONG ,  Junzheng CHEN ,  Dhanya PUTHUSSERI ,  Frank Yongzhen FAN

IPC: H01M10/0568 ,  H01M4/02 ,  H01M4/38 ,  H01M4/58 ,  H01M4/62 ,  H01M10/052 ,  H01M10/0562 ,  H01M10/0567

Abstract: Systems, devices, and methods described herein relate to electrolyte formulations and the incorporation thereof into batteries. In some aspects, an electrolyte composition can comprise between about 10 wt % and about 42 wt % of an electrolyte solvent, between about 13 wt % and about 59 wt % of a fluoroether. In some embodiments, the electrolyte solvent can make up between about 26 wt % and about 39 wt % of the composition. In some embodiments, the fluoroether can make up between about 18 wt % and about 36 wt % of the composition. In some embodiments, the composition can include between about 0.5 wt % and about 1.5 wt % of a first additive. In some embodiments, the composition can include between about 0.5 wt % and about 5 wt % of a second additive.

公开(公告)号：US20240429466A1

公开(公告)日：2024-12-26

申请号：US18824314

申请日：2024-09-04

Applicant: 24M Technologies, Inc.

Inventor： Junzheng CHEN ,  Naoki OTA ,  Chad Alan HARTZOG ,  Xiaoming LIU ,  Michelle Robyn BROUWER ,  Anthony D'ANGELO ,  Daniel SALAZAR ,  Timothy Allen HANS ,  Junhua SONG

IPC: H01M10/42 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0562 ,  H01M10/44 ,  H01M10/48 ,  H01M50/403 ,  H01M50/431 ,  H01M50/449 ,  H02J7/00

Abstract: Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.

公开(公告)号：US20240413407A1

公开(公告)日：2024-12-12

申请号：US18810183

申请日：2024-08-20

Applicant: 24M Technologies, Inc.

Inventor： Junzheng CHEN ,  Naoki OTA ,  Chad Alan HARTZOG ,  Xiaoming LIU ,  Michelle Robyn BROUWER ,  Anthony D'ANGELO ,  Daniel SALAZAR ,  Timothy Allen HANS ,  Junhua SONG

IPC: H01M10/42 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0562 ,  H01M10/44 ,  H01M10/48 ,  H01M50/403 ,  H01M50/431 ,  H01M50/449 ,  H02J7/00

Abstract: Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.

公开(公告)号：US20240291050A1

公开(公告)日：2024-08-29

申请号：US18650789

申请日：2024-04-30

Applicant: 24M Technologies, Inc.

Inventor： Junzheng CHEN ,  Naoki OTA ,  Chad Alan HARTZOG ,  Xiaoming LIU ,  Michelle Robyn BROUWER ,  Anthony D'ANGELO ,  Daniel SALAZAR ,  Timothy Allen HANS ,  Junhua SONG

IPC: H01M10/42 ,  H01M10/0562 ,  H01M10/44 ,  H01M10/48 ,  H01M50/431 ,  H01M50/449 ,  H02J7/00

CPC classification number: H01M10/4235 ,  H01M10/0562 ,  H01M10/425 ,  H01M10/44 ,  H01M10/48 ,  H01M50/431 ,  H01M50/449 ,  H02J7/0047 ,  H01M2010/4271 ,  H01M2200/00 ,  H01M2300/0068

Abstract: Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.

公开(公告)号：US20240204264A1

公开(公告)日：2024-06-20

申请号：US18543959

申请日：2023-12-18

Applicant: 24M Technologies, Inc.

Inventor： Junzheng CHEN ,  Naoki Ota ,  Chad Alan Hartzog ,  Xiaoming Liu ,  Michelle Robyn Brouwer ,  Anthony D'Angelo ,  Daniel Salazar ,  Timothy Allen Hans ,  Junhua Song

IPC: H01M10/42 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0562 ,  H01M50/403 ,  H01M50/449

CPC classification number: H01M10/4235 ,  H01M4/131 ,  H01M4/133 ,  H01M4/134 ,  H01M4/1391 ,  H01M4/1393 ,  H01M4/1395 ,  H01M10/0562 ,  H01M50/403 ,  H01M50/449

Abstract: Embodiments described herein relate to electrochemical cells with dendrite prevention mechanisms. In some aspects, an electrochemical cell can include an anode disposed on an anode current collector, a cathode disposed on a cathode current collector, the cathode having a first thickness at a proximal end of the cathode and a second thickness at a distal end of the cathode, the second thickness greater than the first thickness, a first separator disposed on the anode, a second separator disposed on the cathode, an interlayer disposed between the first separator and the second separator, the interlayer including electroactive material and having a proximal end and a distal end, and a power source electrically connected to the proximal end of the cathode and the proximal end of the interlayer, the power source configured to maintain a voltage difference between the cathode and the interlayer below a threshold value.