公开(公告)号：US11560321B2

公开(公告)日：2023-01-24

申请号：US17032496

申请日：2020-09-25

申请人： Energizer Brands, LLC

发明人： Guanghong Zheng

IPC分类号： C01G53/00 ,  H01M10/30

摘要： Nickelate cathode materials are provided, wherein said cathode material has an X-ray diffraction (XRD) pattern comprising a first peak from about 40.0-41.6 2Θ, and a second peak from about 62.6-63.0 2Θ. Methods of preparing such cathode materials are also provided. Alkaline electrochemical cells comprising said cathode materials are also provided.

公开(公告)号：US20180233743A1

公开(公告)日：2018-08-16

申请号：US15895546

申请日：2018-02-13

申请人： Energizer Brands, LLC

发明人： George Louis Schimek ,  Robert M. Estanek ,  Steven J. Limmer ,  Guanghong Zheng

IPC分类号： H01M4/505 ,  H01M4/42 ,  H01M6/04 ,  C01G45/12

CPC分类号： H01M4/505 ,  C01G45/1228 ,  C01G45/1242 ,  C01P2002/72 ,  C01P2006/40 ,  H01M4/42 ,  H01M6/045 ,  H01M2220/30 ,  H01M2300/0014

摘要： Substituted λ-MnO2 compounds are provided, where a portion of the Mn is replaced by at least one alternative element. Electrochemical cells incorporating substituted λ-MnO2 into the cathode, as well as methods of preparing the substituted λ-MnO2, are also provided.

公开(公告)号：US12116288B2

公开(公告)日：2024-10-15

申请号：US18148552

申请日：2022-12-30

申请人： Energizer Brands, LLC

发明人： Guanghong Zheng

IPC分类号： C01G53/00 ,  H01M4/26 ,  H01M4/32 ,  H01M10/30

CPC分类号： C01G53/42 ,  H01M4/26 ,  H01M4/32 ,  H01M10/30 ,  C01P2002/72 ,  C01P2002/74

摘要： Nickelate cathode materials are provided, wherein said cathode material has an X-ray diffraction (XRD) pattern comprising a first peak from about 40.0-41.6 2Θ, and a second peak from about 62.6-63.0 2 Θ. Methods of preparing such cathode materials are also provided. Alkaline electrochemical cells comprising said cathode materials are also provided.

公开(公告)号：US11705584B2

公开(公告)日：2023-07-18

申请号：US15902705

申请日：2018-02-22

申请人： Energizer Brands, LLC

发明人： Guanghong Zheng

IPC分类号： H01M10/42 ,  H01M6/04 ,  H01M10/24 ,  H01M4/26 ,  H01M4/62 ,  H01M6/50 ,  H01M50/403

CPC分类号： H01M10/4235 ,  H01M4/26 ,  H01M4/62 ,  H01M6/045 ,  H01M6/50 ,  H01M10/24 ,  H01M50/403 ,  H01M2220/30 ,  H01M2300/0014

摘要： Alkaline electrochemical cells are provided, wherein an organic additive is included in at least one component of the cell in order to increase electron discharge of the cathode, so as to improve the specific capacity of the cell. Methods for preparing such cells are also provided.

公开(公告)号：US11133499B2

公开(公告)日：2021-09-28

申请号：US16414103

申请日：2019-05-16

申请人： Energizer Brands, LLC

发明人： Guanghong Zheng ,  Andrew J. Barko ,  Chuze Ma ,  Bin Li ,  Julie Diana Goetz ,  Charlie Nguyen

IPC分类号： H01M4/50 ,  C01G45/02 ,  H01M4/38 ,  H01M6/04

摘要： Substituted ramsdellite manganese dioxide (R—MnO2) compounds are provided, where a portion of the Mn is replaced by at least one alternative cation, or a portion of the O is replaced by at least one alternative anion. Electrochemical cells incorporating substituted R—MnO2 into the cathode, as well as methods of preparing the substituted R—MnO2, are also provided.

公开(公告)号：US20200328411A1

公开(公告)日：2020-10-15

申请号：US16845378

申请日：2020-04-10

申请人： Energizer Brands, LLC

发明人： Guanghong Zheng ,  Weiwei Huang

IPC分类号： H01M4/36 ,  H01M4/32 ,  H01M4/30 ,  H01M4/08 ,  H01M4/525 ,  H01M4/62 ,  H01M4/04 ,  H01M6/04 ,  H01M10/30 ,  H01M10/28

摘要： Alkaline electrochemical cells are provided, containing cathodes with a nickel compound active material, wherein active material particles are coated with at least one of a number of materials so as to improve the shelf life of the electrochemical cell. Methods of preparing such cathodes and electrochemical cells are also provided.

公开(公告)号：US20230138630A1

公开(公告)日：2023-05-04

申请号：US18148552

申请日：2022-12-30

申请人： Energizer Brands, LLC

发明人： Guanghong Zheng

IPC分类号： C01G53/00 ,  H01M10/30

摘要： Nickelate cathode materials are provided, wherein said cathode material has an X-ray diffraction (XRD) pattern comprising a first peak from about 40.0-41.6 2Θ, and a second peak from about 62.6-63.0 2 Θ. Methods of preparing such cathode materials are also provided. Alkaline electrochemical cells comprising said cathode materials are also provided.

公开(公告)号：US10804536B2

公开(公告)日：2020-10-13

申请号：US15895546

申请日：2018-02-13

申请人： Energizer Brands, LLC

发明人： George Louis Schimek ,  Robert M. Estanek ,  Steven J. Limmer ,  Guanghong Zheng

IPC分类号： H01M4/505 ,  H01M6/04 ,  H01M4/42 ,  C01G45/12

摘要： Substituted λ-MnO2 compounds are provided, where a portion of the Mn is replaced by at least one alternative element. Electrochemical cells incorporating substituted λ-MnO2 into the cathode, as well as methods of preparing the substituted λ-MnO2, are also provided.

公开(公告)号：US20240243438A1

公开(公告)日：2024-07-18

申请号：US18156178

申请日：2023-01-18

申请人： Energizer Brands, LLC

发明人： Guanghong Zheng ,  Xiaotong Chadderdon

IPC分类号： H01M50/489 ,  H01M10/28

CPC分类号： H01M50/489 ,  H01M10/286

摘要： Electrochemical cells are provided. An example electrochemical cell may include a container, an electrolyte; an anode; a cathode; a current collector, and a separator disposed between the anode and the cathode. In some embodiments, the anode and the cathode may define an interfacial area y and the separator defines a thickness x, wherein a relation between the interfacial area y and the separator thickness x is defined between 26.532x−0.15≤y≤284.5x−0.675.

公开(公告)号：US20230361293A1

公开(公告)日：2023-11-09

申请号：US18301544

申请日：2023-04-17

申请人： Energizer Brands, LLC ,  Nanyang Technological University

发明人： Deepika Ranganathan ,  Victor Siong ,  Yi Cai ,  Madhavi Srinivasan ,  Guanghong Zheng

IPC分类号： H01M4/52 ,  H01M4/04 ,  H01M4/50 ,  H01M4/62 ,  H01M10/30

CPC分类号： H01M4/52 ,  H01M4/049 ,  H01M4/50 ,  H01M4/625 ,  H01M10/30 ,  H01M2004/028

摘要： Provided herein are desodiated, pre-aged sodium nickelates, which have been desodiated via acid leaching, and pre-aged using a hydroxide solution. The desodiated, pre-aged sodium nickelates exhibit improved stability. Mixtures of such nickelates with EMD, and methods of making such sodium nickelates, along with alkaline electrochemical cells comprising such are also provided herein.