公开(公告)号：US20250038217A1

公开(公告)日：2025-01-30

申请号：US18226813

申请日：2023-07-27

Applicant: APPLE INC.

Inventor： Alan A. Ritchie ,  Malar A. Azagarsamy

IPC: H01M4/66 ,  H01M10/0525

Abstract: An electrochemical cell has a cathode, a lithium metal anode, a separator between the cathode and the lithium metal anode, a liquid electrolyte, and a polymer composite layer bonding the lithium metal anode to the separator. The polymer composite layer includes a crosslinked polymer backbone, polyethylene glycol, polycaprolactone, and one or more lithium salt.

公开(公告)号：US11728547B2

公开(公告)日：2023-08-15

申请号：US17028285

申请日：2020-09-22

Applicant: Apple Inc.

Inventor： Lin Ma ,  Alan A. Ritchie ,  Bernd Jurgen Neudecker ,  Richard M. Mank

IPC: H01M50/449 ,  H01M4/66 ,  H01M4/75 ,  H01M10/0565 ,  H01M4/38 ,  H01M4/134 ,  H01M50/497 ,  H01M50/46 ,  H01M10/0568 ,  H01M10/052

CPC classification number: H01M50/449 ,  H01M4/134 ,  H01M4/382 ,  H01M4/661 ,  H01M4/75 ,  H01M10/0565 ,  H01M10/0568 ,  H01M50/461 ,  H01M50/497 ,  H01M10/052 ,  H01M2300/0082

Abstract: An electrochemical cell has a cathode having a cathode current collector and a cathode active material, an anode having an anode current collector and an anode active material comprising lithium metal, a liquid electrolyte, a separator between the cathode active material and the anode active material, and a polymer electrolyte lamination layer bonding the anode to the separator. The polymer electrolyte lamination layer is formulated using a crosslinked polymer, a lithium salt, a plasticizer, and an anode additive.

公开(公告)号：US20210083326A1

公开(公告)日：2021-03-18

申请号：US16922332

申请日：2020-07-07

Applicant: Apple Inc.

Inventor： Alan A. Ritchie ,  Bernd Jurgen Neudecker ,  Karl M. Brown ,  Andrew Basile

IPC: H01M10/0567 ,  H01M10/0569 ,  H01M10/052 ,  H01M4/38 ,  H01M4/485 ,  H01M10/0568

Abstract: Liquid electrolytes for a lithium metal battery comprise an aprotic solvent, an ionic liquid, a lithium salt, 8 mol % to 30 mol % hydrofluoroether and up to 5 mol % additives. A molar ratio of the hydrofluoroether to the lithium salt is 0.22:1 to 0.83:1. The liquid electrolytes achieve at least a 50% improvement in cycle life over conventional electrolytes, extend capacity retention and delay increases in internal resistance.

公开(公告)号：US20250079524A1

公开(公告)日：2025-03-06

申请号：US18819348

申请日：2024-08-29

Applicant: Apple Inc.

Inventor： Andrew Basile ,  Alan A. Ritchie

IPC: H01M10/0568 ,  H01M10/0525 ,  H01M10/0567 ,  H01M10/0569 ,  H01M50/411 ,  H01M50/449 ,  H01M50/46 ,  H01M50/491

Abstract: This disclosure relates generally to battery cells, and more particularly, liquid electrolyte solvents, diluents, and designs for lithium-ion battery cells.

公开(公告)号：US11811051B2

公开(公告)日：2023-11-07

申请号：US17028278

申请日：2020-09-22

Applicant: Apple Inc.

Inventor： Alan A. Ritchie ,  Karl M. Brown ,  Lin Ma ,  Korhan Demirkan ,  Andrew Basile ,  Richard M. Mank ,  Bernd Jurgen Neudecker

IPC: H01M4/134 ,  H01M4/38 ,  H01M4/40 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/0568 ,  H01M4/36 ,  H01M50/414 ,  H01M50/46 ,  H01M50/449 ,  H01M4/02

CPC classification number: H01M4/134 ,  H01M4/366 ,  H01M4/382 ,  H01M4/405 ,  H01M10/052 ,  H01M10/0565 ,  H01M10/0568 ,  H01M50/414 ,  H01M50/449 ,  H01M50/46 ,  H01M2004/027 ,  H01M2300/0082 ,  H01M2300/0094

Abstract: An electrochemical cell has a cathode having a cathode current collector and a cathode active material, an anode having an anode current collector, lithium metal seed, and an anode cap on the lithium metal seed, a liquid electrolyte, a separator between the cathode active material and the anode active material, and a polymer electrolyte lamination layer bonding the anode to the separator. The polymer electrolyte lamination layer is formulated using a crosslinked polymer, a lithium salt, a plasticizer, and an anode additive. The anode cap and the polymer electrolyte lamination layer work together to produce densely plated lithium metal between the lithium metal seed and the anode cap with little or no external pressure.

公开(公告)号：US10741835B1

公开(公告)日：2020-08-11

申请号：US16102863

申请日：2018-08-14

Applicant: Apple Inc.

Inventor： Karl M. Brown ,  Alan A. Ritchie

IPC: H01M4/66 ,  H01M4/38 ,  H01M4/80 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/02 ,  H01M4/62 ,  H01M4/36

Abstract: An anode for a lithium metal battery includes a current collector, a seed layer deposited onto the current collector, the seed layer comprising a seed material selected to promote electrochemical plating of metallic lithium onto the seed layer, a separator, a host structure between the seed layer and the separator, the host structure having void spaces configured to host metallic lithium during charging, a first adhesion layer bonding the host structure to the seed layer, and a second adhesion layer bonding the host structure to the separator.

公开(公告)号：US20250079534A1

公开(公告)日：2025-03-06

申请号：US18819284

申请日：2024-08-29

Applicant: Apple Inc.

Inventor： Andrew Basile ,  Alan A. Ritchie

IPC: H01M10/42 ,  H01M10/0567 ,  H01M10/0568 ,  H01M10/0569

Abstract: This disclosure relates generally to battery cells, and more particularly, liquid electrolyte solvents, diluents, and designs for lithium-ion battery cells.

公开(公告)号：US11908998B2

公开(公告)日：2024-02-20

申请号：US16922332

申请日：2020-07-07

Applicant: Apple Inc.

Inventor： Alan A. Ritchie ,  Bernd Jurgen Neudecker ,  Karl M. Brown ,  Andrew Basile

IPC: H01M10/0568 ,  H01M10/0569 ,  H01M10/0567 ,  H01M4/485 ,  H01M10/052 ,  H01M4/38

CPC classification number: H01M10/0567 ,  H01M4/382 ,  H01M4/485 ,  H01M10/052 ,  H01M10/0568 ,  H01M10/0569 ,  H01M2300/0025

Abstract: Liquid electrolytes for a lithium metal battery comprise an aprotic solvent, an ionic liquid, a lithium salt, 8 mol % to 30 mol % hydrofluoroether and up to 5 mol % additives. A molar ratio of the hydrofluoroether to the lithium salt is 0.22:1 to 0.83:1. The liquid electrolytes achieve at least a 50% improvement in cycle life over conventional electrolytes, extend capacity retention and delay increases in internal resistance.

公开(公告)号：US20220376225A1

公开(公告)日：2022-11-24

申请号：US17325376

申请日：2021-05-20

Applicant: Apple Inc.

Inventor： Penchala N. Kankanala ,  Karl M. Brown ,  Alan A. Ritchie ,  Richard M. Mank ,  Ulrich A. Bonne ,  Korhan Demirkan

IPC: H01M4/139 ,  H01M4/66 ,  H01M4/525 ,  H01M4/04

Abstract: An all-solid-state battery cell has a cathode on which a cathode current collector is attached, a solid electrolyte deposited on the cathode opposite the cathode current collector, an anode comprising lithium deposited onto the solid electrolyte opposite the cathode, and an anode current collector bonded to the anode opposite the solid electrolyte with a bonding layer of a metal alloyed with the lithium.

公开(公告)号：US11309540B1

公开(公告)日：2022-04-19

申请号：US16919151

申请日：2020-07-02

Applicant: Apple Inc.

Inventor： Karl M. Brown ,  Alan A. Ritchie

IPC: H01M4/36 ,  H01M10/0525 ,  H01M4/04 ,  H01M4/80 ,  H01M4/02 ,  H01M4/62 ,  H01M4/66 ,  H01M4/38

Abstract: An anode for a lithium metal battery includes a host structure configured to be between an anode current collector and a separator, the host structure having void spaces configured to host metallic lithium during charging, wherein the host structure has a void space of ≥60% and ≤80%. Another anode for a lithium metal battery includes a current collector, a separator, and a host structure between the current collector and the separator, the host structure having void spaces configured to host metallic lithium during charging, wherein the host structure is formed of fibers.