公开(公告)号：US20210167618A1

公开(公告)日：2021-06-03

申请号：US17248829

申请日：2021-02-09

Applicant: DURACELL U.S. OPERATIONS, INC.

Inventor： Michael Pozin ,  Fred J. Berkowitz ,  Steven J. Specht ,  Yelena Kouznetsova ,  Bhupendra K. Patel ,  Yang Zhao ,  Haitao Chang

IPC: H02J7/00 ,  H01M4/38 ,  H01M4/136 ,  H01M6/16 ,  H01M4/58

Abstract: A battery includes an anode having an alkali metal as the active material, a cathode having, for example, iron disulfide as the active material, and an increased electrolyte volume.

公开(公告)号：US20200227717A1

公开(公告)日：2020-07-16

申请号：US16836745

申请日：2020-03-31

Applicant: DURACELL U.S. OPERATIONS, INC. ,  NATIONAL TECHNOLOGY & ENGINEERING SOLUTIONS OF SANDIA, LLC

Inventor： Michael Pozin ,  Walter Fred Paxton ,  Bryan James Kaehr

IPC: H01M2/34 ,  H01M2/02 ,  H01M10/04 ,  H01M2/30 ,  H01M2/26

Abstract: A battery cell comprising a composite water-responsive safety layer and/or composite water- and pH-responsive safety layer to protect against tissue damage and/or electrolysis, when the battery cell is exposed to aqueous solution or tissue, is provided. The composite water-responsive safety layer and/or composite water- and pH-responsive safety layer is adapted to change from a non-electronically conducting state to an electronically conducting state.

公开(公告)号：US10608236B2

公开(公告)日：2020-03-31

申请号：US16016466

申请日：2018-06-22

Applicant: DURACELL U.S. OPERATIONS, INC. ,  NATIONAL TECHNOLOGY & ENGINEERING Solutions OF SANDIA, LLC

Inventor： Michael Pozin ,  Walter Fred Paxton ,  Bryan James Kaehr

IPC: H01M2/34 ,  H01M2/02 ,  H01M10/04 ,  H01M2/30 ,  H01M2/26

Abstract: A battery cell comprising a composite water-responsive safety layer and/or composite water- and pH-responsive safety layer to protect against tissue damage and/or electrolysis, when the battery cell is exposed to aqueous solution or tissue, is provided. The composite water-responsive safety layer and/or composite water- and pH-responsive safety layer is adapted to change from a non-electronically conducting state to an electronically conducting state.

公开(公告)号：US20250112224A1

公开(公告)日：2025-04-03

申请号：US18789507

申请日：2024-07-30

Applicant: DURACELL U.S. OPERATIONS, INC.

Inventor： Michael Pozin ,  Fred J. Berkowitz ,  Steven J. Specht ,  Yelena Kouznetsova ,  Bhupendra K. Patel ,  Yang Zhao ,  Haitao Chang

IPC: H01M4/136 ,  H01M4/02 ,  H01M4/38 ,  H01M4/58 ,  H01M6/16 ,  H01M6/18 ,  H01M50/60 ,  H01M50/609 ,  H02J7/00

Abstract: A battery includes a housing, and within the housing, an anode having an alkali metal as the active material, a cathode having a mass (m) of a cathode active material, for example, iron disulfide as the active material, a separator between the anode and the cathode, and an increased electrolyte volume (v).

公开(公告)号：US20230258728A1

公开(公告)日：2023-08-17

申请号：US17976071

申请日：2022-10-28

Applicant: DURACELL U.S. OPERATIONS, INC.

Inventor： Michael Pozin ,  Brianna Rose Derooy ,  Nikolai N. Issaev

IPC: G01R31/382 ,  H01M4/50 ,  G01R31/389 ,  H01M4/42 ,  H01M6/04

CPC classification number: G01R31/382 ,  H01M4/50 ,  G01R31/389 ,  H01M4/42 ,  H01M6/04 ,  H01M2004/021

Abstract: The invention is directed toward a primary AA alkaline battery. The primary AA alkaline battery includes an anode; a cathode; an electrolyte; and a separator between the anode and the cathode. The anode includes an electrochemically active anode material. The cathode includes an electrochemically active cathode material. The electrolyte includes potassium hydroxide. The primary AA alkaline battery has an integrated in-cell ionic resistance (Ri) at 22° C. of less than about 39 mΩ. The separator has a porosity of greater than 70%.

公开(公告)号：US11353513B2

公开(公告)日：2022-06-07

申请号：US16379694

申请日：2019-04-09

Applicant: DURACELL U.S. OPERATIONS, INC.

Inventor： Michael Pozin ,  Brianna Rose Derooy ,  Nikolai N. Issaev

IPC: G01R31/382 ,  H01M4/50 ,  G01R31/389 ,  H01M4/42 ,  H01M6/04 ,  H01M4/02

Abstract: The invention is directed toward a primary AA alkaline battery. The primary AA alkaline battery includes an anode; a cathode; an electrolyte; and a separator between the anode and the cathode. The anode includes an electrochemically active anode material. The cathode includes an electrochemically active cathode material. The electrolyte includes potassium hydroxide. The primary AA alkaline battery has an integrated in-cell ionic resistance (Ri) at 22° C. of less than about 39 mΩ. The separator has a porosity of greater than 70%.

公开(公告)号：US20200033413A1

公开(公告)日：2020-01-30

申请号：US16573970

申请日：2019-09-17

Applicant: DURACELL U.S. OPERATIONS, INC.

Inventor： Michael Pozin ,  Brianna Rose Derooy ,  Nikolai N. Issaev

IPC: G01R31/382 ,  H01M4/50 ,  G01R31/389 ,  H01M4/42 ,  H01M6/04

Abstract: The invention is directed toward an alkaline battery. The alkaline battery includes an anode; a cathode; an electrolyte; and a separator between the anode and the cathode. The anode includes an electrochemically active anode material. The cathode includes an electrochemically active cathode material. The electrolyte includes potassium hydroxide. The alkaline battery has an integrated in-cell ionic resistance (Ri) at 22° C. of less than about 39 mΩ.

公开(公告)号：US20200011938A1

公开(公告)日：2020-01-09

申请号：US16574038

申请日：2019-09-17

Applicant: DURACELL U.S. OPERATIONS, INC.

Inventor： Michael Pozin ,  Brianna Rose Derooy ,  Nikolai N. Issaev

IPC: G01R31/382 ,  H01M4/50 ,  G01R31/389 ,  H01M4/42 ,  H01M6/04

Abstract: The invention is directed toward a primary AAA alkaline battery. The primary AAA alkaline battery includes an anode; a cathode; an electrolyte; and a separator between the anode and the cathode. The anode includes an electrochemically active anode material. The cathode includes an electrochemically active cathode material. The electrolyte includes a hydroxide. The primary AA alkaline battery has an integrated in-cell ionic resistance (Ri) at 22° C. of less than about 39 mΩ.

公开(公告)号：US20200011936A1

公开(公告)日：2020-01-09

申请号：US16573987

申请日：2019-09-17

Applicant: DURACELL U.S. OPERATIONS, INC.

Inventor： Michael Pozin ,  Brianna Rose Derooy ,  Nikolai N. Issaev

IPC: G01R31/382 ,  H01M4/50 ,  G01R31/389 ,  H01M4/42 ,  H01M6/04

Abstract: The invention is directed toward a primary AA alkaline battery. The primary AA alkaline battery includes an anode; a cathode; an electrolyte; and a separator between the anode and the cathode. The anode includes an electrochemically active anode material. The cathode includes an electrochemically active cathode material. The electrolyte includes potassium hydroxide. The primary AA alkaline battery has an integrated in-cell ionic resistance (Ri) at 22° C. of less than about 39 mΩ. The separator has a porosity of greater than 70%.

公开(公告)号：US10008748B2

公开(公告)日：2018-06-26

申请号：US14549583

申请日：2014-11-21

Applicant: DURACELL U.S. OPERATIONS, INC.

Inventor： Nikolai Nikolaevich Issaev ,  James Joseph Cervera ,  Michael Pozin

IPC: H01M4/24 ,  H01M10/26 ,  H01M4/02

CPC classification number: H01M10/26 ,  H01M4/06 ,  H01M4/24 ,  H01M4/244 ,  H01M4/42 ,  H01M4/50 ,  H01M6/045 ,  H01M2004/027

Abstract: An alkaline electrochemical cell having an anode including electrochemically active anode material, a cathode including electrochemically active cathode material, a separator between the anode and the cathode, and an electrolyte. The electrolyte includes a hydroxide dissolved in water. The separator in combination with the electrolyte has an initial area-specific resistance between about 100 mOhm-cm2 and about 220 mOhm-cm2.