公开(公告)号：US10727002B2

公开(公告)日：2020-07-28

申请号：US15728488

申请日：2017-10-09

Applicant: Nanotek Instruments, Inc.

Inventor： Songhai Chai ,  Yen-Po Lin ,  Aruna Zhamu ,  Bor Z. Jang

IPC: H01G11/06 ,  H01M4/48 ,  H01M4/38 ,  H01G11/86 ,  H01G11/48 ,  H01G11/50 ,  H01G11/26 ,  H01G11/34 ,  H01G11/36 ,  H01G11/10 ,  C01B32/05 ,  C01B32/354 ,  C01B32/342 ,  C01B32/10 ,  D01F9/12 ,  C01B32/168 ,  H01M12/00 ,  C01B32/21 ,  C01B32/19 ,  C01B32/198 ,  H01G11/56 ,  H01G11/62 ,  B82Y40/00 ,  B82Y30/00 ,  D01F11/12 ,  D01F9/14 ,  D01D5/247 ,  D01F9/145

Abstract: Provided is an internal hybrid electrochemical cell comprising: (A) a pseudocapacitance cathode comprising a cathode active material that contains a conductive carbon material and a porphyrin compound, wherein the porphyrin compound is bonded to or supported by the carbon material to form a redox pair for pseudocapacitance, wherein the carbon material is selected from activated carbon, activated carbon black, expanded graphite flakes, exfoliated graphite worms, carbon nanotube, carbon nanofiber, carbon fiber, a combination thereof; (B) a battery-like anode comprising lithium metal, lithium metal alloy, or a prelithiated anode active material (e.g. prelithiated Si, SiO, Sn, SnO2, etc.), and (C) a lithium-containing electrolyte in physical contact with the anode and the cathode; wherein the cathode active material has a specific surface area no less than 100 m2/g which is in direct physical contact with the electrolyte.

公开(公告)号：US20190108948A1

公开(公告)日：2019-04-11

申请号：US15728488

申请日：2017-10-09

Applicant: Nanotek Instruments, Inc.

Inventor： Songhai Chai ,  Yen-Po Lin ,  Aruna Zhamu ,  Bor Z. Jang

IPC: H01G11/06 ,  H01M12/00 ,  H01M4/48 ,  H01M4/38 ,  H01G11/86 ,  H01G11/48 ,  H01G11/50 ,  H01G11/26 ,  H01G11/34 ,  H01G11/36 ,  H01G11/10 ,  C01B32/05 ,  C01B32/354 ,  C01B32/342 ,  C01B32/10 ,  D01F9/12 ,  C01B32/168

Abstract: Provided is an internal hybrid electrochemical cell comprising: (A) a pseudocapacitance cathode comprising a cathode active material that contains a conductive carbon material and a porphyrin compound, wherein the porphyrin compound is bonded to or supported by the carbon material to form a redox pair for pseudocapacitance, wherein the carbon material is selected from activated carbon, activated carbon black, expanded graphite flakes, exfoliated graphite worms, carbon nanotube, carbon nanofiber, carbon fiber, a combination thereof; (B) a battery-like anode comprising lithium metal, lithium metal alloy, or a prelithiated anode active material (e.g. prelithiated Si, SiO, Sn, SnO2, etc.), and (C) a lithium-containing electrolyte in physical contact with the anode and the cathode; wherein the cathode active material has a specific surface area no less than 100 m2/g which is in direct physical contact with the electrolyte.

公开(公告)号：US11984580B2

公开(公告)日：2024-05-14

申请号：US16403820

申请日：2019-05-06

Applicant: Nanotek Instruments, Inc.

Inventor： Yi-jun Lin ,  Yen-Po Lin ,  Sheng-Yi Lu ,  Bor Z. Jang

IPC: H01M4/134 ,  H01M4/02 ,  H01M4/133 ,  H01M4/36 ,  H01M4/62 ,  H01M10/0525 ,  H01M10/0565

CPC classification number: H01M4/134 ,  H01M4/133 ,  H01M4/366 ,  H01M4/621 ,  H01M10/0525 ,  H01M10/0565 ,  H01M2004/021 ,  H01M2004/027

Abstract: Provided is an anode particulate for a lithium battery, the particulate comprising a polymer foam material having pores and a single or a plurality of primary particles of an anode active material embedded in or in contact with said polymer foam material, wherein said primary particles of anode active material have a total solid volume Va, and said pores have a total pore volume Vp, and the volume ratio Vp/Va is from 0.1/1.0 to 10/1.

公开(公告)号：US11715832B2

公开(公告)日：2023-08-01

申请号：US16538253

申请日：2019-08-12

Applicant: Nanotek Instruments, Inc.

Inventor： Yen-Po Lin ,  Yu-Chan Yen ,  Yu-Sheng Su ,  Bor Z. Jang

IPC: H01M4/62 ,  H01M4/36 ,  H01M10/0525 ,  H01M4/02

CPC classification number: H01M4/628 ,  H01M4/366 ,  H01M10/0525 ,  H01M2004/027

Abstract: Provided is anode active material for use in a lithium ion battery, wherein the anode active material is capable of reversibly storing lithium ions therein up to a maximum lithium storage capacity Cmax during a charge or discharge of the battery and the anode active material comprises an amount of solid-electrolyte interphase (SEI) on a surface or in an internal structure of the anode active material wherein the SEI is pre-formed prior to incorporating the anode active material in an anode electrode of the battery. Also provided is a method of producing the pre-formed SEI substances in the anode material; e.g. through repeated lithiation/delithiation procedures.

公开(公告)号：US20210050597A1

公开(公告)日：2021-02-18

申请号：US16538253

申请日：2019-08-12

Applicant: Nanotek Instruments, Inc.

Inventor： Yen-Po Lin ,  Yu-Chan Yen ,  Yu-Sheng Su ,  Bor Z. Jang

IPC: H01M4/62 ,  H01M10/0525 ,  H01M4/36

Abstract: Provided is anode active material for use in a lithium ion battery, wherein the anode active material is capable of reversibly storing lithium ions therein up to a maximum lithium storage capacity Cmax during a charge or discharge of the battery and the anode active material comprises an amount of solid-electrolyte interphase (SEI) on a surface or in an internal structure of the anode active material wherein the SEI is pre-formed prior to incorporating the anode active material in an anode electrode of the battery. Also provided is a method of producing the pre-formed SEI substances in the anode material; e.g. through repeated lithiation/delithiation procedures.

公开(公告)号：US11961998B2

公开(公告)日：2024-04-16

申请号：US16403826

申请日：2019-05-06

Applicant: Nanotek Instruments, Inc.

Inventor： Yi-Jun Lin ,  Yen-Po Lin ,  Sheng-Yi Lu ,  Bor Z. Jang

IPC: H01M4/36 ,  H01M4/04 ,  H01M4/139 ,  H01M4/02

CPC classification number: H01M4/366 ,  H01M4/04 ,  H01M4/139 ,  H01M2004/021 ,  H01M2004/027

Abstract: Provided is a method of producing multiple particulates, the method comprising: (a) dispersing multiple primary particles of an anode active material, having a particle size from 2 nm to 20 μm, and particles of a polymer foam material, having a particle size from 50 nm to 20 μm, and an optional adhesive or binder in a liquid medium to form a slurry; and (b) shaping the slurry and removing the liquid medium to form the multiple particulates having a diameter from 100 nm to 50 μm; wherein at least one of the multiple particulates comprises a polymer foam material having pores and a single or a plurality of the primary particles embedded in or in contact with the polymer foam material, wherein the primary particles have a total solid volume Va, and the pores have a total pore volume Vp, and the volume ratio Vp/Va is from 0.1/1.0 to 10/1.

公开(公告)号：US20190109358A1

公开(公告)日：2019-04-11

申请号：US15727900

申请日：2017-10-09

Applicant: Nanotek Instruments, Inc.

Inventor： Songhai Chai ,  Yen-Po Lin ,  Aruna Zhamu ,  Bor Z. Jang

IPC: H01M12/00 ,  H01M4/583 ,  H01M4/36 ,  H01M4/62

CPC classification number: H01M12/005 ,  H01G11/02 ,  H01G11/24 ,  H01G11/30 ,  H01G11/32 ,  H01G11/58 ,  H01M4/36 ,  H01M4/583 ,  H01M4/625 ,  H01M2300/0002

Abstract: Provided is an internal hybrid electrochemical cell comprising: (a) a pseudocapacitance-like cathode comprising a cathode active material that contains both graphene sheets and a porphyrin compound, including porphyrin or a porphyrin complex, wherein the porphyrin compound is bonded to or supported by primary surfaces of graphene sheets to form a redox pair for pseudocapacitance; (b) a battery-like anode comprising an anode active material selected from sodium metal, a sodium metal alloy, a sodium intercalation compound, a sodium-containing compound, or a combination thereof, and (c) a sodium-containing electrolyte in physical contact with the anode and the cathode; wherein the cathode active material has a specific surface area no less than 100 m2/g which is in direct physical contact with the electrolyte.

公开(公告)号：US20210013490A1

公开(公告)日：2021-01-14

申请号：US16505021

申请日：2019-07-08

Applicant: Nanotek Instruments, Inc.

Inventor： Yen-Po Lin ,  Yu-Sheng Su ,  Bor Z. Jang

IPC: H01M4/36 ,  H01M4/58 ,  H01M4/133 ,  H01M10/0525 ,  H01M10/0569

Abstract: Provided is a prelithiated anode active material particle for use in a lithium-ion battery, the particle is capable of reversibly storing lithium ions therein during a charge or discharge of the battery and comprises an amount of lithium from 1% to 100% of a maximum lithium content that can be contained in the anode active material particle, having a first lithium concentration C1 near a particle surface and a second lithium concentration C2 inside the particle and away from the particle surface and wherein C1

公开(公告)号：US10566668B2

公开(公告)日：2020-02-18

申请号：US15727900

申请日：2017-10-09

Applicant: Nanotek Instruments, Inc.

Inventor： Songhai Chai ,  Yen-Po Lin ,  Aruna Zhamu ,  Bor Z. Jang

IPC: H01M12/00 ,  H01M4/583 ,  H01M4/62 ,  H01M4/36

Abstract: Provided is an internal hybrid electrochemical cell comprising: (a) a pseudocapacitance-like cathode comprising a cathode active material that contains both graphene sheets and a porphyrin compound, including porphyrin or a porphyrin complex, wherein the porphyrin compound is bonded to or supported by primary surfaces of graphene sheets to form a redox pair for pseudocapacitance; (b) a battery-like anode comprising an anode active material selected from sodium metal, a sodium metal alloy, a sodium intercalation compound, a sodium-containing compound, or a combination thereof, and (c) a sodium-containing electrolyte in physical contact with the anode and the cathode; wherein the cathode active material has a specific surface area no less than 100 m2/g which is in direct physical contact with the electrolyte.