# US 2019/0318883 A1 · Halogenated Lithium Ion-Based Energy Storage Device and Related Method

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- Number: US 2019/0318883 A1
- Document ID: US20190318883A1
- Status: Published application
- Kind: A1
- Application number: 16/344,140
- Filed: 2017-12-28
- Published: 2019-10-17
- Earliest claimed: 2016-12-28
- Assignees: Albemarle Corporation
- Applicants: Albemarle Corporation
- Inventors: Yinzhi Zhang
- Web page: https://patentgrep.com/patent/US20190318883A1

## CPC

- H01G 11/50: specially adapted for lithium-ion capacitors, e.g. for lithium-doping or for intercalation
- H01M 4/587: for inserting or intercalating light metals
- C01B 32/194: After-treatment
- C01B 32/225: Expansion; Exfoliation
- C01B 32/354: After-treatment
- H01G 11/06: with one of the electrodes allowing ions to be reversibly doped thereinto, e.g. lithium ion capacitors [LIC]
- H01G 11/26: characterised by their structure, e.g. multi-layered, porosity or surface features
- H01G 11/34: characterised by carbonisation or activation of carbon
- H01G 11/36: Nanostructures, e.g. nanofibres, nanotubes or fullerenes
- H01G 11/52: Separators
- H01G 11/86: specially adapted for electrodes (carbonisation or activation of carbon for the manufacture of electrodes H01G11/34)
- H01M 10/0525: Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
- C01B 2204/22: Electronic properties
- C01P 2006/40: Electric properties
- Y02E 60/10: Energy storage using batteries
- Y02E 60/13: Energy storage using capacitors
- Y02P 70/50: Manufacturing or production processes characterised by the final manufactured product
- H01G: CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE (selection of specified materials as dielectric H01B3/00; capacitors having potential barriers H10D1/62, H10K10/10)
- H01M: PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- C01B: NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; {METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C}
- C01P: INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02P: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS

## Abstract

An energy storage device having a cathode comprised of one or more layers that are comprised of a halogenated activated carbon, an anode comprised of one or more layers that are comprised of a halogenated graphene, and a lithium ion source. Related methods of forming a cathode or forming an energy storage device are further described.

## Claims

### Claim 1

An energy storage device comprising:
a cathode comprised of one or more layers that are comprised of a halogenated activated carbon,
an anode comprised of one or more layers that are comprised of a halogenated graphene, and
a lithium ion source.

### Claim 2 (depends on 1)

The device of claim 1, further comprising at least one conductive medium disposed between the cathode and the anode.

### Claim 3 (depends on 2)

The device of claim 2, further comprising a separator disposed between the cathode and the anode.

### Claim 4 (depends on 1)

The device of claim 1, wherein the halogenated activated carbon is a gas-phase brominated activated carbon.

### Claim 5 (depends on 4)

The device of claim 4, wherein the halogenated graphene comprises a brominated graphene.

### Claim 6 (depends on 5)

The device of claim 5, wherein the brominated graphene is comprised of brominated graphene nanoplatelets.

### Claim 7 (depends on 6)

The device of claim 6, wherein the brominated graphene nanoplatelets comprise one or more graphene layers and are characterized by being, except for the carbon atoms forming the perimeters of the graphene layers of the nanoplatelets, (i) free from any element or component other than sp2 carbon, and (ii) substantially defect-free graphene layers, wherein the total content of halogen in the nanoplatelets is about 5 wt % or less calculated as bromine and based on the total weight of the nanoplatelets.

### Claim 8 (depends on 1)

The device of claim 1, wherein the halogenated graphene comprises a brominated graphene.

### Claim 9 (depends on 8)

The device of claim 8, wherein the brominated graphene is comprised of brominated graphene nanoplatelets.

### Claim 10 (depends on 9)

The device of claim 9, wherein the brominated graphene nanoplatelets comprise one or more graphene layers and are characterized by being, except for the carbon atoms forming the perimeters of the graphene layers of the nanoplatelets, (i) free from any element or component other than sp2 carbon, and (ii) substantially defect-free graphene layers, wherein the total content of halogen in the nanoplatelets is about 5 wt % or less calculated as bromine and based on the total weight of the nanoplatelets.

### Claim 11

A process for forming a cathode for use in an energy storage device, the process comprising:
forming the cathode so as to provide at least one cathode surface layer, the cathode surface layer being comprised of a gas-phase brominated activated carbon.

### Claim 12 (depends on 11)

The process of claim 11, wherein the amount of bromine in the gas-phase brominated activated carbon is in the range of about 0.1 wt. % to about 15 wt. %, based on the weight of the total brominated activated carbon.

### Claim 13 (depends on 11)

A process for producing an energy storage device, the process comprising
carrying out the process according to claim 11,
forming an anode so as to provide at least one anode surface layer, the anode surface layer being comprised of a halogenated graphene,
providing a lithium ion source either in or adjacent to the anode, and
disposing the anode and the cathode adjacent one another with a conductive medium there between.

### Claim 14 (depends on 13)

The process according to claim 13, wherein the halogenated graphene comprises a brominated graphene.

### Claim 15 (depends on 4)

The process according to claim 4, wherein the brominated graphene is comprised of brominated graphene nanoplatelets.

### Claim 16 (depends on 15)

The process of claim 15, wherein the brominated graphene nanoplatelets comprise one or more graphene layers and are characterized by being, except for the carbon atoms forming the perimeters of the graphene layers of the nanoplatelets, (i) free from any element or component other than sp2 carbon, and (ii) substantially defect-free graphene layers, wherein the total content of halogen in the nanoplatelets is about 5 wt % or less calculated as bromine and based on the total weight of the nanoplatelets.

### Claim 17

An energy storage device comprising a first electrode, a second electrode, a lithium ion source and a conductive medium disposed between the first and the second electrodes, one of the electrodes being comprised of at least one surface layer, wherein the surface layer is comprised of a gas-phase brominated activated carbon.

### Claim 18 (depends on 17)

The device of claim 17, wherein the amount of bromine in the gas-phase brominated activated carbon is in the range of about 0.1 to about 15 wt. %, based on the weight of the total brominated activated carbon.
